nuclear physics; nuclear engineering
G21
working of plastics; working of substances in a plastic state in general
B29
working cement, clay, or stone
B28
working or preserving wood or similar material; nailing or stapling ...
B27
hand cutting tools; cutting; severing
B26
hand tools; portable power-driven tools; handles for hand implements; ...
B25
grinding; polishing
B24
machine tools; metal-working not otherwise provided for
B23
casting; powder metallurgy
B22
mechanical metal-working without essentially removing material; punching ...
B21
positive-displacement machines for liquids; pumps for liquids or elastic ...
F04
machines or engines in general; engine plants in general; steam engines
F01
machines or engines for liquids; wind, spring, or weight motors; ...
F03
combustion engines; hot-gas or combustion-product engine plants
F02
combinatorial technology
C40
haberdashery; jewellery
A44
subject matter not otherwise provided for in this section
B99
fluid-pressure actuators; hydraulics or pneumatics in general
F15
earth or rock drilling; mining
E21
instrument details
G12
information storage
G11
musical instruments; acoustics
G10
weapons
F41
ammunition; blasting
F42
agriculture; forestry; animal husbandry; hunting; trapping; fishing
A01
crystal growth
C30
A99
presses
B30
making paper articles; working paper
B31
layered products
B32
ropes; cables other than electric
D07
treatment of textiles or the like; laundering; flexible materials not ...
D06
sewing; embroidering; tufting
D05
braiding; lace-making; knitting; trimmings; non-woven fabrics
D04
weaving
D03
yarns; mechanical finishing of yarns or ropes; warping or beaming
D02
natural or artificial threads or fibres; spinning
D01
brushware
A46
furniture; domestic articles or appliances; coffee mills; spice mills; ...
A47
hand or travelling articles
A45
headwear
A42
footwear
A43
wearing apparel
A41
engineering elements or units; general measures for producing and ...
F16
storing or distributing gases or liquids
F17
signalling
G08
educating; cryptography; display; advertising; seals
G09
horology
G04
controlling; regulating
G05
computing; calculating; counting
G06
checking-devices
G07
measuring; testing
G01
optics
G02
photography; cinematography; analogous techniques using waves other than ...
G03
G99
decorative arts
B44
combustion apparatus; combustion processes
F23
steam generation
F22
lighting
F21
furnaces; kilns; ovens; retorts
F27
drying
F26
refrigeration or cooling; combined heating and refrigeration systems; ...
F25
heating; ranges; ventilating
F24
heat exchange in general
F28
metallurgy; ferrous or non-ferrous alloys; treatment of alloys or ...
C22
coating metallic material; coating material with metallic material; ...
C23
metallurgy of iron
C21
electrolytic or electrophoretic processes; apparatus therefor
C25
physical or chemical processes or apparatus in general
B01
separation of solid materials using liquids or using pneumatic tables or ...
B03
crushing, pulverising, or disintegrating; preparatory treatment of grain ...
B02
centrifugal apparatus or machines for carrying-out physical or chemical ...
B04
separating solids from solids; sorting
B07
disposal of solid waste; reclamation of contaminated soil
B09
cleaning
B08
spraying or atomising in general; applying liquids or other fluent ...
B05
generating or transmitting mechanical vibrations in general
B06
baking; equipment for making or processing doughs; doughs for baking
A21
butchering; meat treatment; processing poultry or fish
A22
foods or foodstuffs; their treatment, not covered by other classes
A23
tobacco; cigars; cigarettes; smokers' requisites
A24
sugar industry
C13
biochemistry; beer; spirits; wine; vinegar; microbiology; enzymology; ...
C12
animal or vegetable oils, fats, fatty substances or waxes; fatty acids ...
C11
petroleum, gas or coke industries; technical gases containing carbon ...
C10
skins; hides; pelts; leather
C14
doors, windows, shutters, or roller blinds, in general; ladders
E06
building
E04
locks; keys; window or door fittings; safes
E05
hydraulic engineering; foundations; soil-shifting
E02
water supply; sewerage
E03
construction of roads, railways, or bridges
E01
medical or veterinary science; hygiene
A61
life-saving; fire-fighting
A62
sports; games; amusements
A63
basic electronic circuitry
H03
generation, conversion, or distribution of electric power
H02
basic electric elements
H01
electric techniques not otherwise provided for
H05
electric communication technique
H04
micro-structural technology
B81
nano-technology
B82
writing or drawing implements; bureau accessories
B43
bookbinding; albums; files; special printed matter
B42
paper-making; production of cellulose
D21
printing; lining machines; typewriters; stamps
B41
ships or other waterborne vessels; related equipment
B63
land vehicles for travelling otherwise than on rails
B62
railways
B61
vehicles in general
B60
opening or closing bottles, jars or similar containers; liquid handling
B67
hoisting; lifting; hauling
B66
conveying; packing; storing; handling thin or filamentary material
B65
aircraft; aviation; cosmonautics
B64
saddlery; upholstery
B68
organic macromolecular compounds; their preparation or chemical ...
C08
dyes; paints; polishes; natural resins; adhesives; compositions not ...
C09
inorganic chemistry
C01
treatment of water, waste water, sewage, or sludge
C02
glass; mineral or slag wool
C03
cements; concrete; artificial stone; ceramics; refractories
C04
fertilisers; manufacture thereof
C05
explosives; matches
C06
organic chemistry
C07
trimmings; ribbons, tapes, or bands, not otherwise provided for ...
D04D
making nets by knotting of filamentary material; making knotted carpets ...
D04G
knitting
D04B
braiding or manufacture of lace, including bobbin-net or carbonised ...
D04C
making textile fabrics, e.g. from fibres or filamentary material ...
D04H
couplings specially adapted for railway vehicles; draught or buffing ...
B61G
rail vehicle suspensions, e.g. underframes, bogies, arrangements of ...
B61F
body details or kinds of railway vehicles (vehicles in general b60; ...
B61D
locomotives; motor railcars (vehicles in general b60; frames or bogies ...
B61C
railway systems; equipment therefor not otherwise provided for (lifts or ...
B61B
guiding railway traffic; ensuring the safety of railway traffic (brakes ...
B61L
other auxiliary equipment for railways (energy-storing brakes b61h; ...
B61K
shifting or shunting of rail vehicles (shifting vehicles in general ...
B61J
brakes or other retarding apparatus peculiar to rail vehicles; ...
B61H
furnaces, kilns, ovens, or retorts in general; open sintering or like ...
F27B
details or accessories of furnaces, kilns, ovens, or retorts, in so far ...
F27D
detonating or priming devices; fuses; chemical lighters; pyrophoric ...
C06C
explosive or thermic compositions (blasting f42d); manufacture thereof; ...
C06B
means for generating smoke or mist; gas-attack compositions; generation ...
C06D
sewers; cesspools
E03F
water-closets or urinals with flushing devices; flushing valves therefor
E03D
installations or methods for obtaining, collecting, or distributing ...
E03B
domestic plumbing installations for fresh water or waste water (not ...
E03C
tables; desks; office furniture; cabinets; drawers; general details of ...
A47B
chairs (seats specially adapted for vehicles b60n0002000000); sofas; ...
A47C
special furniture, fittings, or accessories for shops, storehouses, ...
A47F
household or table equipment (book-ends a47b0065000000; knives b26b)
A47G
furniture specially adapted for children (school benches or desks ...
A47D
kitchen equipment; coffee mills; spice mills; apparatus for making ...
A47J
sanitary equipment not otherwise provided for (connecting to water ...
A47K
furnishings for windows or doors (concerned with the functioning of the ...
A47H
domestic washing or cleaning (brushes a46b; cleaning quantities of ...
A47L
safety devices, transport, filling-up, rescue, ventilation, or drainage ...
E21F
shafts; tunnels; galleries; large underground chambers ...
E21D
earth or rock drilling (mining, quarrying e21c; making shafts, driving ...
E21B
mining or quarrying
E21C
detergent compositions; use of single substances as detergents; soap or ...
C11D
fatty acids from fats, oils or waxes; candles; fats, oils or fatty acids ...
C11C
producing, e.g. by pressing raw materials or by extraction from waste ...
C11B
processes for the manufacture or reproduction of printing surfaces ...
B41C
machines or accessories for making, setting, or distributing type; type; ...
B41B
details of heat-exchange or heat-transfer apparatus, of general ...
F28F
cleaning of internal or external surfaces of heat-exchange or ...
F28G
steam or vapour condensers (condensation of vapours b01d0005000000; ...
F28B
heat-exchange apparatus, not provided for in another subclass, in which ...
F28C
targets; target ranges; bullet catchers
F41J
preparing grain for milling; refining granular fruit to commercial ...
B02B
crushing, pulverising, or disintegrating in general; milling grain ...
B02C
apparatus for launching projectiles or missiles from barrels, e.g ....
F41F
shaping clay or other ceramic compositions, slag or mixtures containing ...
B28B
preparing clay; producing mixtures containing clay or cementitious ...
B28C
working stone or stone-like materials (machinery for, or methods of, ...
B28D
positive-displacement machines for liquids; pumps (engine fuel-injection ...
F04B
rotary-piston, or oscillating-piston, positive-displacement machines for ...
F04C
pumping of fluid by direct contact of another fluid or by using inertia ...
F04F
non-positive-displacement pumps (engine fuel-injection pumps f02m; ion ...
F04D
disposal of solid waste
B09B
embroidering (programme-controlled sewing machines with embroidering ...
D05C
sewing (appliances for the tailoring trade a41h; sewing tables ...
D05B
hand-propelled vehicles, e.g. hand carts or perambulators; sledges ...
B62B
vehicles drawn by animals
B62C
motor vehicles; trailers (steering, or guiding on a desired track, of ...
B62D
cycle saddles or seats; accessories peculiar to cycles and not otherwise ...
B62J
cycles; cycle frames; cycle steering devices; rider-operated terminal ...
B62K
cycle stands; supports or holders for parking or storing cycles; ...
B62H
brakes specially adapted for cycles
B62L
rider propulsion of wheeled vehicles or sledges; powered propulsion of ...
B62M
saddles; stirrups
B68C
vinegar; its preparation
C12J
micro-organisms or enzymes; compositions thereof (biocides, pest ...
C12N
pitching or depitching machines; cellar tools (cleaning of casks ...
C12L
apparatus for enzymology or microbiology (installations for fermenting ...
C12M
brewing of beer (cleaning of raw materials a23n; pitching or depitching ...
C12C
recovery of by-products of fermented solutions; denaturing of, or ...
C12F
wine; other alcoholic beverages; preparation thereof (beer c12c)
C12G
scaffolding; forms; shuttering; building implements or other building ...
E04G
indexing scheme associated with subclasses c12c-c12q;  or c12s, relating ...
C12R
processes using enzymes or micro-organisms to liberate, separate or ...
C12S
measuring or testing processes involving enzymes or micro-organisms ...
C12Q
making gears or toothed racks (by stamping b21d; by rolling b21h; by ...
B23F
printing machines or presses (machines for manufacturing footwear ...
B41F
general building constructions; walls, e.g. partitions; roofs; floors; ...
E04B
handling of coins or of paper currency or similar valuable papers, e.g ....
G07D
saccharides, other than sucrose, obtained from natural sources or by ...
C13K
apparatus for the mechanical reproduction of printing surfaces for ...
B41D
organs; harmoniums or like wind-actuated musical instruments (mouth ...
G10B
pianos, harpsichords, spinets or similar stringed musical instruments ...
G10C
stringed musical instruments; wind-actuated musical instruments; ...
G10D
automatic musical instruments (non-musical aspects of toy instruments ...
G10F
electrophonic musical instruments; instruments in which the tones are ...
G10H
inorganic fertilisers not covered by subclasses ; c05b, c05c; ...
C05D
sound-producing devices (sound-producing toys a63h0005000000);  methods ...
G10K
phosphatic fertilisers
C05B
nitrogenous fertilisers
C05C
printing, duplicating, marking, or copying processes; colour printing ...
B41M
ship-lifting devices or mechanisms
E02C
hydraulic engineering (ship-lifting e02c; dredging e02f)
E02B
foundations; excavations; embankments (specially adapted for hydraulic ...
E02D
dredging; soil-shifting (winning peat e21c0049000000)
E02F
matches; manufacture of matches
C06F
treatment of water, waste water, sewage, or sludge (processes for making ...
C02F
stamps; stamping or numbering apparatus or devices (marking meat ...
B41K
indexing scheme associated with subclasses f21l, f21s and f21v, relating ...
F21Y
specific uses or applications of nano-structures; measurement or ...
B82Y
indexing scheme associated with subclasses b29b, b29c;  or b29d, ...
B29K
shaping or joining of plastics; shaping of substances in a plastic ...
B29C
preparation or pretreatment of the material to be shaped; making ...
B29B
producing particular articles from plastics or from substances in a ...
B29D
other working of metal; combined operations; universal machine tools ...
B23P
steam traps or like apparatus for draining-off liquids from enclosures ...
F16T
treating textile materials by liquids, gases, or vapours (applying ...
D06B
finishing, dressing, tentering, or stretching textile fabrics (chemical ...
D06C
laundering, drying, ironing, pressing or folding textile articles ...
D06F
mechanical or pressure cleaning of carpets, rugs, sacks, hides, or other ...
D06G
pleating, kilting, or goffering textile fabrics or wearing apparel ...
D06J
marking, inspecting, seaming, or severing textile materials (seaming by ...
D06H
wall, floor, or like covering materials, e.g. linoleum, oilcloth, ...
D06N
bleaching, e.g. optical bleaching, dry-cleaning, or washing fibres, ...
D06L
treatment, not provided for elsewhere in class  d06, of fibres, threads, ...
D06M
dyeing or printing textiles; dyeing leather, furs, or solid ...
D06P
decorating textiles (for treatment of textiles by mechanical means, ...
D06Q
marine propulsion or steering (propulsion of air-cushion vehicles ...
B63H
auxiliaries on vessels
B63J
offensive or defensive arrangements on vessels; mine-laying; ...
B63G
launching, hauling-out, or dry-docking of vessels; life-saving in water; ...
B63C
ships or other waterborne vessels; equipment for shipping (air-cushion ...
B63B
flotation; differential sedimentation (in combination with other ...
B03D
magnetic or electrostatic separation of solid materials from solid ...
B03C
separating solid materials using liquids or using pneumatic tables or ...
B03B
static stores (information storage based on relative movement between ...
G11C
information storage based on relative movement between record carrier ...
G11B
lime; magnesia; slag; cements; compositions thereof, e.g. mortars, ...
C04B
appliances or methods for making clothes, e.g. for dress-making, for ...
A41H
shirts; underwear; baby linen; handkerchiefs
A41B
corsets; brassi res
A41C
outerwear; protective garments; accessories (eye or ear protectors ...
A41D
garment fastenings; suspenders
A41F
artificial flowers; wigs; masks; feathers
A41G
apparatus or devices for manifolding, duplicating, or printing for ...
B41L
production of sucrose; apparatus specially adapted therefor (chemically ...
C13B
nano-structures formed by manipulation of individual atoms, molecules, ...
B82B
cleaning or de-greasing of metallic material by chemical methods other ...
C23G
additional work, such as equipping roads or the construction of ...
E01F
treatment of the materials before passing to the paper-making machine
D21D
calenders; accessories for paper-making machines (winders or rewinders ...
D21G
paper-making machines; methods of producing paper thereon
D21F
production of cellulose by removing non-cellulose substances from ...
D21C
fibrous raw materials or their mechanical treatment
D21B
ignition, other than compression ignition, for internal-combustion ...
F02P
fibreboard; manufacture of articles from cellulosic fibrous suspensions ...
D21J
jet-propulsion plants (arrangement or mounting of jet-propulsion plants ...
F02K
supplying combustion engines in general with combustible mixtures or ...
F02M
starting of combustion engines (starting of free-piston ...
F02N
internal-combustion piston engines; combustion engines in general ...
F02B
gas-turbine plants; air intakes for jet-propulsion plants; controlling ...
F02C
controlling combustion engines (vehicle fittings, acting on a single ...
F02D
cylinders, pistons, or casings for combustion engines; arrangements of ...
F02F
hot-gas or combustion-product positive-displacement engine plants (steam ...
F02G
ropes or cables in general (joining ropes or cables to one another or to ...
D07B
light sources not otherwise provided for
F21K
aeroplanes; helicopters (air-cushion vehicles b60v)
B64C
equipment for fitting in or to aircraft; flying suits; parachutes; ...
B64D
ground or aircraft-carrier-deck installations
B64F
cosmonautics; vehicles or equipment therefor (apparatus for, or methods ...
B64G
mechanical treatment or processing of skins, hides, or leather in ...
C14B
chemical treatment of skins, hides or leather, e.g. tanning, ...
C14C
organic dyes or closely-related compounds for producing dyes; mordants; ...
C09B
treatment of inorganic materials, other than fibrous fillers, to enhance ...
C09C
machines for making cigars or cigarettes
A24C
manufacture or preparation of tobacco for smoking or chewing; tobacco; ...
A24B
natural resins; french polish; drying-oils; driers (siccatives); ...
C09F
adhesives; non-mechanical aspects of adhesive processes in general; ...
C09J
materials for applications not otherwise provided for; applications of ...
C09K
preparation of glue or gelatine
C09H
details of instruments, or comparable details of other apparatus, not ...
G12B
manufacturing or trimming hats or other head coverings
A42C
hats; head coverings (headbands, head-scarves a41d0020000000, ...
A42B
refrigeration machines, plants, or systems; combined heating and ...
F25B
generating combustion products of high pressure or high velocity, e.g ....
F23R
air supply; draught-inducing; supplying non-combustible liquid or gas ...
F23L
burners (generating combustion products of high pressure or high ...
F23D
manufacture of dairy products (preservation, pasteurisation, ...
A01J
armour; armoured turrets; armoured or armed vehicles; means of attack or ...
F41H
producing a reactive propulsive thrust, not otherwise provided for (from ...
F03H
positive-displacement engines driven by liquids (positive-displacement ...
F03C
machines or engines for liquids (machines or engines for liquids and ...
F03B
spring, weight, inertia, or like motors; mechanical-power-producing ...
F03G
wind motors
F03D
cleaning in general; prevention of fouling in general (brushes a46; ...
B08B
handling thin or filamentary material, e.g. sheets, webs, cables
B65H
labelling or tagging machines, apparatus, or processes (nailing or ...
B65C
machines, apparatus or devices for, or methods of, packaging articles or ...
B65B
transport or storage devices, e.g. conveyers for loading or tipping; ...
B65G
gathering or removal of domestic or like refuse (disinfecting refuse ...
B65F
containers for storage or transport of articles or materials, e.g. bags, ...
B65D
chemical or physical laboratory apparatus for general use (apparatus for ...
B01L
chemical or physical processes, e.g. catalysis, colloid chemistry; their ...
B01J
separation (separating solids from solids by wet methods b03b, b03d, by ...
B01D
mixing, e.g. dissolving, emulsifying, dispersing (mixing paints ...
B01F
boiling; boiling apparatus
B01B
transmission of digital information, e.g. telegraphic communication ...
H04L
pulp compositions; preparation thereof not covered by subclasses ; d21c, ...
D21H
weapons for projecting missiles without use of explosive or combustible ...
F41B
stereophonic systems (information storage on discs or tapes g11b; ...
H04S
plasma technique (ion-beam tubes h01j0027000000; magnetohydrodynamic ...
H05H
devices or arrangements, the optical operation of which is modified by ...
G02F
steam engine plants; steam accumulators; engine plants not otherwise ...
F01K
foundry moulding (moulding refractory materials in general b28b)
B22C
machines, tools, equipment or methods for manufacturing or repairing ...
A43D
characteristic features of footwear; parts of footwear
A43B
fastenings or attachments for footwear; laces in general
A43C
combinatorial chemistry; libraries, e.g. chemical libraries, ; in silico ...
C40B
compositions of macromolecular compounds (compositions based on ...
C08L
derivatives of natural macromolecular compounds (polysaccharides c08b; ...
C08H
use of inorganic or non-macromolecular organic substances as compounding ...
C08K
working-up; general processes of compounding; after-treatment not ...
C08J
macromolecular compounds obtained otherwise than by reactions only ...
C08G
macromolecular compounds obtained by reactions only involving ...
C08F
treatment or chemical modification of rubbers
C08C
polysaccharides; derivatives thereof (polysaccharides containing less ...
C08B
generating or transmitting mechanical vibrations in general (for ...
B06B
tools for grinding, buffing or sharpening (tools for grinding or ...
B24D
machines, devices, or processes for grinding or polishing (grinding of ...
B24B
abrasive or related blasting with particulate material
B24C
spinning or twisting (unwinding, paying-out, forwarding, winding, or ...
D01H
chemical treatment of natural filamentary or fibrous material to obtain ...
D01C
mechanical treatment of natural fibrous or filamentary material to ...
D01B
preliminary treatment of fibres, e.g. for spinning (winding or ...
D01G
chemical features in the manufacture of artificial filaments, threads, ...
D01F
mechanical methods or apparatus in the manufacture of artificial ...
D01D
hoisting, lifting, hauling, or pushing, not otherwise provided for, e.g ....
B66F
capstans; winches; tackles, e.g. pulley blocks; hoists (winding or ...
B66D
elevators; escalators or moving walkways (funicular railbound systems ...
B66B
cranes; load-engaging elements or devices for cranes, capstans, winches, ...
B66C
displaying; advertising; signs; labels or name-plates; seals
G09F
arrangements or circuits for control of indicating devices using static ...
G09G
railway or like time or fare tables; perpetual calendars
G09D
educational or demonstration appliances; appliances for teaching, or ...
G09B
ciphering or deciphering apparatus for cryptographic or other purposes ...
G09C
lighter-than-air aircraft (ground installations for aircraft in general ...
B64B
modifying the physical structure of ferrous metals; general devices for ...
C21D
manufacture of iron or steel (preliminary treatment of ferrous ores or ...
C21B
processing of pig-iron, e.g. refining, manufacture of wrought-iron or ...
C21C
bending; cooperage; wheel-making
B27H
layered products, i.e. products built-up of strata of flat or non-flat, ...
B32B
manipulators; chambers provided with manipulation devices (robotic ...
B25J
workshop equipment, e.g. for marking-out work; storage means for ...
B25H
handles for hand implements (attaching the blades or the like to handles ...
B25G
combination or multi-purpose tools not otherwise provided for; details ...
B25F
percussive tools
B25D
hand-held nailing or stapling tools; manually-operated portable stapling ...
B25C
tools or bench devices not otherwise provided for, for fastening, ...
B25B
lighting devices or systems thereof, being portable or specially adapted ...
F21L
accessory machines or apparatus; tools (sawing tools b27b0033000000; ...
B27G
crimping or curling fibres, filaments, yarns, or threads; yarns or ...
D02G
finishing or dressing of filaments, yarns, threads, cords, ropes, or the ...
D02J
warping, beaming, or leasing
D02H
filling with liquids or semiliquids, or emptying, of bottles, jars, ...
B67C
applying closure members to bottles, jars, or similar containers; ...
B67B
dispensing, delivering, or transferring liquids, not otherwise provided ...
B67D
removing bark or vestiges of branches (forestry a01g); splitting wood; ...
B27L
rotary-piston or oscillating-piston machines or engines (combustion ...
F01C
machines or engines, in general or of positive-displacement type, e.g ....
F01B
non-positive-displacement machines or engines, e.g. steam turbines ...
F01D
lubricating of machines or engines in general; lubricating ...
F01M
gas-flow silencers or exhaust apparatus for machines or engines in ...
F01N
processes, apparatus or selection of substances for impregnating, ...
B27K
mechanical working of cane, cork, or similar materials
B27J
circuit arrangements or systems for supplying or distributing electric ...
H02J
emergency protective circuit arrangements (indicating or signalling ...
H02H
postal sorting; sorting individual articles, or bulk material fit to be ...
B07C
apparatus for physical training, gymnastics, swimming, climbing, or ...
A63B
skates; skis; roller skates; design or layout of courts, rinks or the ...
A63C
bowling-alleys; bowling games; boccia; bowls; bagatelle; billiards ...
A63D
card, board, or roulette games; indoor games using small moving playing ...
A63F
merry-go-rounds; swings; rocking-horses (swings or rockinghorses as ...
A63G
toys, e.g. tops, dolls, hoops, building blocks
A63H
devices for theatres, circuses, or the like; conjuring appliances or the ...
A63J
racing; riding sports; equipment or accessories therefor (stop watches ...
A63K
production of acetylene by wet methods
C10H
cigars; cigarettes; tobacco smoke filters; mouthpieces for cigars or ...
A24D
coating compositions, e.g. paints, varnishes or lacquers; filling ...
C09D
smokers; requisites; match boxes (lighters f23q)
A24F
time-interval measuring (measuring pulse characteristics g01r, e.g ....
G04F
hairdressing or shaving equipment; manicuring or other cosmetic ...
A45D
travelling or camp equipment; sacks or packs carried on the body (hand ...
A45F
traffic control systems (guiding railway traffic, ensuring the safety of ...
G08G
devices for moving wings into open or closed position; checks for wings; ...
E05F
apparatus or tools specially designed for making or maintaining clocks ...
G04D
electronic time-pieces
G04G
electromechanical clocks or watches (mechanical parts of clocks or ...
G04C
mechanically-driven clocks or watches; mechanical parts of clocks or ...
G04B
tuning resonant circuits; selecting resonant circuits (indicating ...
H03J
walking sticks (walking aids, e.g. sticks, for blind persons ...
A45B
spark gaps; overvoltage arresters using spark gaps; sparking plugs; ...
H01T
devices using stimulated emission
H01S
electrically-conductive connections; structural associations of a ...
H01R
aerials (microwave radiators for near-field therapeutic treatment ...
H01Q
waveguides; resonators, lines or other devices of the waveguide type ...
H01P
processes or means, e.g. batteries, for the direct conversion of ...
H01M
semiconductor devices; electric solid state devices not otherwise ...
H01L
electric incandescent lamps (details or apparatus or processes for ...
H01K
electric discharge tubes or discharge lamps (spark-gaps h01t; arc lamps ...
H01J
electric switches; relays; selectors; emergency protective devices ...
H01H
capacitors; capacitors, rectifiers, detectors, switching devices, ...
H01G
magnets; inductances; transformers; selection of materials for their ...
H01F
resistors
H01C
mechanical working or deformation of paper or cardboard (cutting, ...
B31F
making other paper articles (manufacture by dry processes of articles ...
B31D
making boxes, cartons, envelopes, or bags (incising, scoring, in general ...
B31B
making wound articles, e.g. wound tubes (characteristics relating to the ...
B31C
systems acting by means of fluids in general; fluid-pressure actuators, ...
F15B
fluid-circuit elements predominantly used for computing or control ...
F15C
fluid dynamics, i.e. methods or means for influencing the flow of gases ...
F15D
hand-held cutting tools not otherwise provided for (for harvesting a01d; ...
B26B
perforating; punching; cutting-out; stamping-out; severing by means ...
B26F
cutting; details common to machines for severing, e.g. by cutting, ...
B26D
centrifuges (high-speed drum mills b02c0019110000)
B04B
apparatus using free vortex flow, e.g. cyclones (exhaust or silencing ...
B04C
shedding mechanisms; pattern cards or chains; punching of cards; ...
D03C
woven fabrics; methods of weaving; looms
D03D
auxiliary weaving apparatus; weavers ; tools; shuttles
D03J
machines, apparatus, or tools for artistic work, e.g. for sculpturing, ...
B44B
producing decorative effects (processes for applying liquids or other ...
B44C
special designs or pictures
B44F
painting or artistic drawing, not otherwise provided for; preserving ...
B44D
micro-structural devices or systems, e.g. micro-mechanical devices ...
B81B
making articles from leather, canvas, or the like
B68F
methods, equipment, or machines for use in upholstering; upholstery not ...
B68G
harness; devices used in connection therewith; whips or the like
B68B
coin-freed or like apparatus (coin sorting g07d0003000000; coin testing ...
G07F
registering the receipt of cash, valuables, or tokens (digital computing ...
G07G
ticket-issuing apparatus; taximeters; arrangements or apparatus for ...
G07B
time or attendance registers; registering or indicating the working of ...
G07C
fire-fighting (fire-extinguishing compositions, use of chemical ...
A62C
devices, apparatus or methods for life-saving (valves specially adapted ...
A62B
chemical means for extinguishing fires; processes for making harmful ...
A62D
A99Z
C23C
non-mechanical removal of metallic material from surfaces (working of ...
C23F
obtaining energy from radioactive sources; applications of radiation ...
G21H
nuclear explosives; applications thereof
G21J
fusion reactors (uncontrolled fusion, applications thereof g21j)
G21B
nuclear reactors (fusion reactors, hybrid fission-fusion reactors g21b; ...
G21C
nuclear power plant
G21D
protection against x-radiation, gamma radiation, corpuscular radiation ...
G21F
conversion of chemical elements; radioactive sources
G21G
enamelling of, or applying a vitreous layer to, metals (chemical ...
C23D
presses in general; presses not otherwise provided for (producing ...
B30B
apparatus for applying liquids or other fluent materials to surfaces, in ...
B05C
spraying apparatus; atomising apparatus; nozzles (spray-mixers with ...
B05B
processes for applying liquids or other fluent materials to surfaces, in ...
B05D
pasteurisation, sterilisation, preservation, purification, ...
C12H
F21W
functional features or details of lighting devices or systems thereof; ...
F21V
non-portable lighting devices or systems thereof (burners f23d; electric ...
F21S
incandescent mantles; other incandescent bodies heated by combustion ...
F21H
working veneer or plywood (applying liquids or other fluent materials to ...
B27D
dovetailed work; tenons; slotting machines; nailing or stapling machines ...
B27F
planing, drilling, milling, turning, or universal machines (machine ...
B27C
saws; components or accessories therefor (saws specially adapted for ...
B27B
working of wood not provided for in subclasses ; b27b-b27l; manufacture ...
B27M
control or regulation of electric motors, generators, or dynamo-electric ...
H02P
manufacture by dry processes of articles, with or without organic ...
B27N
dynamo-electric machines (measuring instruments g01; dynamo-electric ...
H02K
apparatus for conversion between ac and ac, between ac and dc, or ...
H02M
boards, substations, or switching arrangements for the supply or ...
H02B
installation of electric cables or lines, or of combined optical and ...
H02G
electrotherapy; magnetotherapy; radiation therapy; ultrasound therapy ...
A61N
methods or apparatus for sterilising materials or objects in general; ...
A61L
devices for introducing media into, or onto, the body (introducing media ...
A61M
containers specially adapted for medical or pharmaceutical purposes; ...
A61J
preparations for medical, dental, or toilet purposes (devices or methods ...
A61K
physical therapy apparatus, e.g. devices for locating or stimulating ...
A61H
filters implantable into blood vessels; prostheses; devices providing ...
A61F
transport, personal conveyances, or accommodation specially adapted for ...
A61G
veterinary instruments, implements, tools, or methods
A61D
diagnosis; surgery; identification (analysing biological material g01n, ...
A61B
dentistry; apparatus or methods for oral or dental hygiene (non-driven ...
A61C
fermentation or enzyme-using processes to synthesise a desired chemical ...
C12P
specific therapeutic activity of chemical compounds or medicinal ...
A61P
specific use of cosmetics or similar toilet preparations
A61Q
shaping or working of foodstuffs, not fully covered by a single other ...
A23P
bolts or fastening devices for wings, specially for doors or windows ...
E05C
cyclically operating valves for machines or engines (valves in general ...
F01L
cooling of machines or engines in general; cooling of ...
F01P
hinges or other suspension devices for doors, windows, or wings (pivotal ...
E05D
safes or strong-rooms for valuables; bank protection devices; safety ...
E05G
locks; accessories therefor; handcuffs
E05B
computer systems based on specific computational models
G06N
counting mechanisms; counting of objects not otherwise provided for ...
G06M
recognition of data; presentation of data; record carriers; handling ...
G06K
hybrid computing arrangements (optical hybrid computing devices ...
G06J
analogue computers (analogue optical computing devices g06e0003000000; ...
G06G
electric digital data processing (computers in which a part of the ...
G06F
optical computing devices (optical logic elements per seg02f0003000000; ...
G06E
digital fluid-pressure computing devices
G06D
data processing systems or methods, specially adapted for ...
G06Q
digital computers in which all the computation is effected mechanically ...
G06C
changing the physical structure of non-ferrous metals or non-ferrous ...
C22F
alloys (treatment of alloys c21d, c22f)
C22C
static electricity; naturally-occurring electricity
H05F
aids for music (teaching music g09b0015000000); supports for musical ...
G10G
organic fertilisers not covered by subclasses ; c05b, c05c, e.g ....
C05F
mixtures of fertilisers covered individually by different subclasses of ...
C05G
demodulation or transference of modulation from one carrier to another ...
H03D
control of amplification (impedance networks, e.g. attenuators, h03h; ...
H03G
modulation (measuring, testing g01r; masers, lasers h01s; modulators ...
H03C
generation of oscillations, directly or by frequency-changing, by ...
H03B
coding, decoding or code conversion, in general (using fluidic means ...
H03M
speech analysis or synthesis; speech recognition; audio analysis or ...
G10L
impedance networks, e.g. resonant circuits; resonators (measuring, ...
H03H
pulse technique (measuring pulse characteristics g01r; mechanical ...
H03K
image data processing or generation, in general (specially adapted for ...
G06T
pipe-line systems; pipe-lines (distributing water e03b; pumps or ...
F17D
scanning-probe techniques or apparatus; applications of scanning-probe ...
G01Q
gas-holders of variable capacity (self-acting gas cut-off devices ...
F17B
vessels for containing or storing compressed, liquefied, or solidified ...
F17C
testing static or dynamic balance of machines or structures; testing of ...
G01M
measurement of intensity, velocity, spectral content, polarisation, ...
G01J
weighing
G01G
measuring not specially adapted for a specific variable; arrangements ...
G01D
blasting (fuses, e.g. fuse cords, c06c0005000000; blasting cartridges ...
F42D
explosive charges, e.g. for blasting; fireworks; ammunition (explosive ...
F42B
ammunition fuzes (blasting cartridge initiators f42b0003100000; chemical ...
F42C
manufacture of brushes
A46D
permanently attaching together sheets, quires, or signatures, or ...
B42B
bookbinding (cutting or perforating machines, devices, or tools b26; ...
B42C
books; book covers; loose leaves; printed matter of special format or ...
B42D
sheets temporarily attached together; filing appliances; file cards; ...
B42F
methods of steam generation; steam boilers (steam engine plants where ...
F22B
preheating, or accumulating preheated, feed-water; feed-water supply; ...
F22D
brushes (handles not integral with brushware b25g)
A46B
control or regulating systems in general; functional elements of such ...
G05B
systems for regulating electric or magnetic variables (regulating the ...
G05F
control devices or systems insofar as characterised by mechanical ...
G05G
systems for controlling or regulating non-electric variables (for ...
G05D
electrolytic or electrophoretic processes for the production of ...
C25B
processes for the electrolytic or electrophoretic production of ...
C25D
processes for the electrolytic removal of materials from objects; ...
C25F
manufacture or shaping of glass, or of mineral or slag wool; ...
C03B
chemical composition of glasses, glazes, or vitreous enamels; surface ...
C03C
buildings or like structures for particular purposes; swimming or splash ...
E04H
finishing work on buildings, e.g. stairs, floors (windows, doors e06b)
E04F
roof coverings; sky-lights; gutters; roof-working tools (coverings of ...
E04D
foods, foodstuffs, or non-alcoholic beverages, not covered by subclasses ...
A23L
F28D
safety devices in general
F16P
constructional elements in general; structures built-up from such ...
F16S
gearing
F16H
valves; taps; cocks; actuating-floats; devices for venting or aerating
F16K
pistons; cylinders; pressure vessels in general; sealings
F16J
frames, casings, or beds, of engines or other machines or apparatus, not ...
F16M
pipes; joints or fittings for pipes; supports for pipes, cables or ...
F16L
lubricating
F16N
shafts; flexible shafts; mechanical means for transmitting movement in a ...
F16C
devices for fastening or securing constructional elements or machine ...
F16B
couplings for transmitting rotation (gearing for conveying rotation ...
F16D
belts, cables, or ropes, predominantly used for driving purposes; ...
F16G
springs; shock-absorbers; means for damping vibration
F16F
transmission systems for measured values, control or similar signals ...
G08C
fluid heaters, e.g. water or air heaters, having heat-generating means, ...
F24H
propulsion of electrically-propelled vehicles (arrangements or mounting ...
B60L
implements for writing or drawing (containers, casings or accessories ...
B43K
bureau accessories not otherwise provided for (stapling devices b25c, ...
B43M
articles for writing or drawing upon; accessories for writing or drawing ...
B43L
constructional details of combustion chambers, not otherwise provided ...
F23M
regulating or controlling combustion (control devices specially adapted ...
F23N
grates (inlets for fluidisation air for fluidised bed combustion ...
F23H
feeding fuel to combustion apparatus (fuel feeders specially adapted for ...
F23K
removal or treatment of combustion products or combustion residues; ...
F23J
cremation furnaces; consuming waste or low grade fuels by combustion
F23G
methods or apparatus for combustion using fluent fuel (burners f23d)
F23C
methods or apparatus for combustion using only solid fuel (for ...
F23B
manufacture of metal sheets, wire, rods, tubes, profiles or like ...
B21C
rolling of metal (auxiliary operations used in connection with ...
B21B
making needles, pins, or nails
B21G
working or processing of wire (rolling of metal b21b; by drawing, ...
B21F
working or processing of sheet metal or metal tubes, rods or profiles ...
B21D
making forged or pressed products, e.g. horse-shoes, rivets, bolts, ...
B21K
forging; hammering; pressing; riveting; forge furnaces (rolling of metal ...
B21J
making particular metal objects by rolling, e.g. screws, wheels, rings, ...
B21H
making chains (making chains or chain links by casting b22d0025020000; ...
B21L
production or refining of metals (making metallic powder or suspensions ...
C22B
transmission (transmission systems for measured values, control or ...
H04B
broadcast communication (multiplex communication h04j; pictorial ...
H04H
multiplex communication (peculiar to transmission of digital information ...
H04J
pictorial communication, e.g. television
H04N
loudspeakers, microphones, gramophone pick-ups or like acoustic ...
H04R
wireless communication networks
H04W
drying or working-up of peat
C10F
cracking hydrocarbon oils; production of liquid hydrocarbon mixtures, ...
C10G
working-up tar, pitch, asphalt, bitumen; pyroligneous acid
C10C
ladders (e04f0011000000 takes precedence;step-stools a47c0012000000; ...
E06C
biocidal, pest repellant, pest attractant or plant growth regulatory ...
A01P
shoeing of animals
A01L
preservation of bodies of humans or animals or plants or parts thereof ...
A01N
new plants or processes for obtaining them; plant reproduction by tissue ...
A01H
animal husbandry; care of birds, fishes, insects; fishing; rearing or ...
A01K
harvesting; mowing
A01D
threshing (combines a01d0041000000); baling of straw, hay or the like; ...
A01F
horticulture; cultivation of vegetables, flowers, rice, fruit, vines, ...
A01G
soil working in agriculture or forestry; parts, details, or accessories ...
A01B
planting; sowing; fertilising (combined with general working of soil ...
A01C
edible oils or fats, e.g. margarines, shortenings, cooking oils ...
A23D
coffee; tea; their substitutes; manufacture, preparation, or infusion ...
A23F
cocoa; cocoa products, e.g. chocolate; substitutes for cocoa or cocoa ...
A23G
preserving, e.g. by canning, meat, fish, eggs, fruit, vegetables, edible ...
A23B
dairy products, e.g. milk, butter, cheese; milk or cheese substitutes; ...
A23C
machines or apparatus for treating harvested fruit, vegetables, or ...
A23N
protein compositions for foodstuffs; working-up proteins for foodstuffs; ...
A23J
feeding-stuffs specially adapted for animals; methods specially adapted ...
A23K
working metallic powder; manufacture of articles from metallic powder; ...
B22F
casting of metals; casting of other substances by the same processes or ...
B22D
signalling or calling systems; order telegraphs; alarm systems ...
G08B
electric circuits or apparatus specially designed for use in equipment ...
H05C
electric heating; electric lighting not otherwise provided for
H05B
x-ray technique (apparatus for radiation diagnosis a61b0006000000; x-ray ...
H05G
printed circuits; casings or constructional details of electric ...
H05K
amplifiers (measuring, testing g01r; optical parametric amplifiers g02f; ...
H03F
domestic stoves or ranges for solid fuels; implements for use in ...
F24B
indexing scheme associated with subclass b29c, relating to particular ...
B29L
air-conditioning; air-humidification; ventilation; use of air currents ...
F24F
automatic control, starting, synchronisation, or stabilisation of ...
H03L
acyclic, carbocyclic, or heterocyclic compounds containing elements ...
C07F
sugars; derivatives thereof; nucleosides; nucleotides; nucleic acids ...
C07H
measuring length, thickness or similar linear dimensions; measuring ...
G01B
production or use of heat not otherwise provided for (materials therefor ...
F24J
apparatus for processing exposed photographic materials (apparatus ...
G03D
domestic- or space-heating systems, e.g. central heating systems; ...
F24D
electrography; electrophotography; magnetography (information storage ...
G03G
apparatus or arrangements for taking photographs or for projecting or ...
G03B
photosensitive materials for photographic purposes (for photomechanical ...
G03C
photomechanical production of textured or patterned surfaces, e.g. for ...
G03F
single-crystal growth (by using ultra-high pressure, e.g. for the ...
C30B
buttons, pins, buckles, slide fasteners, or the like (fastenings ...
A44B
processing meat, poultry, or fish (preserving a23b; obtaining protein ...
A22C
slaughtering
A22B
non-metallic elements; compounds thereof (fermentation or enzyme-using ...
C01B
ammonia; cyanogen; compounds thereof (salts of oxyacids of halogens ...
C01C
compounds of the metals beryllium, magnesium, aluminium, calcium, ...
C01F
compounds containing metals not covered by subclasses  c01d;  or c01f; ...
C01G
compounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, ...
C01D
processes or apparatus specially adapted for the manufacture or ...
B81C
catching, trapping or scaring of animals (apiculture ...
A01M
fixed or movable closures for openings in buildings, vehicles, fences, ...
E06B
liquefaction, solidification, or separation of gases or gaseous mixtures ...
F25J
separating solids from solids by sieving, screening, or sifting or by ...
B07B
weapon sights; aiming (optical aspects thereof g02b)
F41G
functional features or details common to both smallarms and ordnance, ...
F41A
smallarms, e.g. pistols, rifles (functional features or details common ...
F41C
reclamation of contaminated soil (gatherers for removing stones or the ...
B09C
apparatus for bronze printing, line printing, or for bordering or edging ...
B41G
typewriters; selective printing mechanisms, i.e. mechanisms printing ...
B41J
printing plates or foils (photosensitive materials g03); materials for ...
B41N
working of metal by the action of a high concentration of electric ...
B23H
soldering or unsoldering; welding; cladding or plating by soldering or ...
B23K
secret communication; jamming of communication
H04K
milling (broaching b23d; broach-milling in making gears b23f; ...
B23C
turning; boring (using an electrode which takes the place of a tool ...
B23B
planing; slotting; shearing; broaching; sawing; filing; scraping; like ...
B23D
thread cutting; working of screws, bolt heads, or nuts, in conjunction ...
B23G
details, components, or accessories for machine tools, e.g. arrangements ...
B23Q
production, working, storing or distribution of ice (frozen sweets, ...
F25C
structural elements; building materials (for bridges e01d; specially ...
E04C
telephonic communication (circuits for controlling other apparatus via a ...
H04M
measuring linear or angular speed, acceleration, deceleration, or shock; ...
G01P
selecting (switches, relays, selectors h01h)
H04Q
permanent way; permanent-way tools; machines for making railways of all ...
E01B
construction of, or surfaces for, roads, sports grounds, or the like; ...
E01C
bridges (bridges extending between terminal buildings and aircraft for ...
E01D
street cleaning; cleaning of permanent ways; cleaning beaches; cleaning ...
E01H
purses; luggage; hand carried bags (sacks or packs carried on the body ...
A45C
refrigerators; cold rooms; ice-boxes; cooling or freezing apparatus not ...
F25D
spectacles; sunglasses or goggles insofar as they have the same features ...
G02C
optical elements, systems, or apparatus (g02f takes precedence;optical ...
G02B
other domestic stoves or ranges; details of domestic stoves or ranges, ...
F24C
bakers ; ovens; machines or equipment for baking (domestic baking ...
A21B
machines or equipment for making or processing doughs; handling baked ...
A21C
treatment, e.g. preservation, of flour or dough for baking, e.g. by ...
A21D
electric machines not otherwise provided for
H02N
drying solid materials or objects by removing liquid therefrom (drying ...
F26B
holographic processes or apparatus (holograms, e.g. point holograms, ...
G03H
cables; conductors; insulators; selection of materials for their ...
H01B
superheating of steam (steam-separating arrangements in boilers ...
F22G
compounds of unknown constitution (sulfonated fats, oils or waxes of ...
C07G
measuring force, stress, torque, work, mechanical power, mechanical ...
G01L
geophysics; gravitational measurements; detecting masses or objects; ...
G01V
meteorology (radar, sonar, lidar or analogous systems, designed for ...
G01W
measurement of nuclear or x-radiation (radiation analysis of materials, ...
G01T
measuring electric variables; measuring magnetic variables (measuring ...
G01R
radio direction-finding; radio navigation; determining distance or ...
G01S
investigating or analysing materials by determining their chemical or ...
G01N
measuring temperature; measuring quantity of heat; thermally-sensitive ...
G01K
measurement of mechanical vibrations or ultrasonic, sonic or infrasonic ...
G01H
measuring volume, volume flow, mass flow, or liquid level; metering by ...
G01F
measuring distances, levels or bearings; surveying; navigation; ...
G01C
vehicle connections (components of brake systems b60t0017040000)
B60D
vehicles for use both on rail and on road; vehicles capable of ...
B60F
vehicle suspension arrangements (air-cushion vehicles b60v; connections ...
B60G
vehicle wheels (making wheels or wheel parts by rolling b21h0001000000, ...
B60B
vehicle tyres (manufacture, repairing b29); tyre inflation; tyre ...
B60C
power supply lines, or devices along rails, for electrically-propelled ...
B60M
vehicle passenger accommodation not otherwise provided for (furniture ...
B60N
arrangements or adaptations of heating, cooling, ventilating, or other ...
B60H
windows, windscreens, non-fixed roofs, doors, or similar devices for ...
B60J
arrangement or mounting of propulsion units or of transmissions in ...
B60K
vehicle brake control systems or parts thereof; brake control systems or ...
B60T
conjoint control of vehicle sub-units of different type or different ...
B60W
arrangement of signalling or lighting devices, the mounting or ...
B60Q
vehicles, vehicle fittings, or vehicle parts, not otherwise provided for ...
B60R
servicing, cleaning, repairing, supporting, lifting, or manoeuvring of ...
B60S
fuels not otherwise provided for; natural gas; synthetic natural gas ...
C10L
lubricating compositions (well drilling compositions c09k0008020000); ...
C10M
indexing scheme associated with subclass c10m
C10N
production of gases containing carbon monoxide and hydrogen from solid ...
C10J
purifying or modifying the chemical composition of combustible gases ...
C10K
destructive distillation of carbonaceous materials for production of ...
C10B
general methods of organic chemistry; apparatus therefor (preparation of ...
C07B
acyclic or carbocyclic compounds (macromolecular compounds c08; ...
C07C
heterocyclic compounds (macromolecular compounds c08)
C07D
steroids (seco-steroids c07c)
C07J
peptides (peptides containing -lactam rings c07d; cyclic dipeptides not ...
C07K
ignition (devices for igniting matches a24f;  chemical ...
F23Q
jewellery; bracelets; other personal adornments; coins (jewel boxes ...
A44C
processes for the electrolytic production, recovery or refining of ...
C25C
air-cushion vehicles
B60V
techniques for handling particles or ionising radiation not otherwise ...
G21K
polishing compositions other than french polish; ski waxes
C09G
vehicles adapted for load transportation or to transport, to carry, or ...
B60P