Cooperative Patent Classification

Symbol	Class Title	Associated SubClasses
A01	AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING	12
A21	BAKING; EDIBLE DOUGHS	3
A22	BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH	2
A23	FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES	12
A24	TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES	4
A41	WEARING APPAREL	6
A42	HEADWEAR	2
A43	FOOTWEAR	3
A44	HABERDASHERY; JEWELLERY	3
A45	HAND OR TRAVELLING ARTICLES	4
A46	BRUSHWARE	2
A47	FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL	9
A61	MEDICAL OR VETERINARY SCIENCE; HYGIENE	13
A62	LIFE-SAVING; FIRE-FIGHTING	3
A63	SPORTS; GAMES; AMUSEMENTS	8
A99	SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION	1
B01	PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL	5
B02	CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING	2
B03	SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS	3
B04	CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES	2
B05	SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL	3
B06	GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL	1
B07	SEPARATING SOLIDS FROM SOLIDS; SORTING	2
B08	CLEANING	1
B09	DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL	2
B21	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL	9
B22	CASTING; POWDER METALLURGY	3
B23	MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR	9
B24	GRINDING; POLISHING	3
B25	HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS	7
B26	HAND CUTTING TOOLS; CUTTING; SEVERING	3
B27	WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL	11
B28	WORKING CEMENT, CLAY, OR STONE	3
B29	WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL	5
B30	PRESSES	1
B31	MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER	4
B32	LAYERED PRODUCTS	1
B33	ADDITIVE MANUFACTURING TECHNOLOGY	1
B41	PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS	11
B42	BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER	5
B43	WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES	3
B44	DECORATIVE ARTS	4
B60	VEHICLES IN GENERAL	19
B61	RAILWAYS	9
B62	LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS	8
B63	SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT	5
B64	AIRCRAFT; AVIATION; COSMONAUTICS	6
B65	CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL	6
B66	HOISTING; LIFTING; HAULING	4
B67	OPENING, CLOSING ; BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING	3
B68	SADDLERY; UPHOLSTERY	4
B81	MICROSTRUCTURAL TECHNOLOGY	2
B82	NANOTECHNOLOGY	2
B99	SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION	1
C01	INORGANIC CHEMISTRY	6
C02	TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE	1
C03	GLASS; MINERAL OR SLAG WOOL	2
C04	CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES	1
C05	FERTILISERS; MANUFACTURE THEREOF	5
C06	EXPLOSIVES; MATCHES	4
C07	ORGANIC CHEMISTRY	8
C08	ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON	8
C09	DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR	8
C10	PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT	10
C11	ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES	3
C12	BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING	12
C13	SUGAR INDUSTRY	2
C14	SKINS; HIDES; PELTS; LEATHER	2
C21	METALLURGY OF IRON	3
C22	METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS	3
C23	COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL	4
C25	ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR	4
C30	CRYSTAL GROWTH	1
C40	COMBINATORIAL TECHNOLOGY	1
C99	SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION	1
D01	NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING	6
D02	YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING	3
D03	WEAVING	3
D04	BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS	5
D05	SEWING; EMBROIDERING; TUFTING	3
D06	TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR	11
D07	ROPES; CABLES OTHER THAN ELECTRIC	1
D10	INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION	1
D21	PAPER-MAKING; PRODUCTION OF CELLULOSE	7
D99	SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION	1
E01	CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES	5
E02	HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING	4
E03	WATER SUPPLY; SEWERAGE	4
E04	BUILDING	6
E05	LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES	6
E06	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS	2
E21	EARTH DRILLING; MINING	4
E99	SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION	1
F01	MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES	8
F02	COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS	9
F03	MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR	5
F04	POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS	4
F05	INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES	3
F15	FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL	3
F16	ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL	14
F17	STORING OR DISTRIBUTING GASES OR LIQUIDS	3
F21	LIGHTING	7
F22	STEAM GENERATION	3
F23	COMBUSTION APPARATUS; COMBUSTION PROCESSES	12
F24	HEATING; RANGES; VENTILATING	8
F25	REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES	4
F26	DRYING	1
F27	FURNACES; KILNS; OVENS; RETORTS	3
F28	HEAT EXCHANGE IN GENERAL	5
F41	WEAPONS	7
F42	AMMUNITION; BLASTING	3
F99	SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION	1
G01	MEASURING; TESTING	18
G02	OPTICS	3
G03	PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY	6
G04	HOROLOGY	6
G05	CONTROLLING; REGULATING	4
G06	COMPUTING; CALCULATING OR COUNTING	12
G07	CHECKING-DEVICES	5
G08	SIGNALLING	3
G09	EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS	5
G10	MUSICAL INSTRUMENTS; ACOUSTICS	8
G11	INFORMATION STORAGE	2
G12	INSTRUMENT DETAILS	1
G16	INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS	5
G21	NUCLEAR PHYSICS; NUCLEAR ENGINEERING	8
G99	SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION	1
H01	ELECTRIC ELEMENTS	14
H02	GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER	9
H03	ELECTRONIC CIRCUITRY	10
H04	ELECTRIC COMMUNICATION TECHNIQUE	12
H05	ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR	6
H10	SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR	3
H99	SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION	1
Y02	TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE	8
Y04	INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS	1
Y10	TECHNICAL SUBJECTS COVERED BY FORMER USPC	2