https://www.uspto.gov/web/patents/classification/cpc/html/cpc-A01K.html
CPC Scheme - A01K ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR...
cpc schemeanimal husbandry
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-H04Q.html
CPC Scheme - H04Q SELECTING
cpc schemeselecting
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-A41B.html
CPC Scheme - A41B SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
cpc schemebaby linenshirtsunderwearhandkerchiefs
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-A22C.html
CPC Scheme - A22C PROCESSING MEAT, POULTRY, OR FISH
cpc schememeat poultryprocessingfish
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B01B.html
CPC Scheme - B01B BOILING; BOILING APPARATUS ; EVAPORATION; EVAPORATION APPARATUS
cpc schemeboilingapparatusevaporation
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-F02D.html
CPC Scheme - F02D CONTROLLING COMBUSTION ENGINES
cpc schemecontrollingcombustionengines
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-G10D.html
CPC Scheme - G10D STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR...
stringed musical instrumentscpc schemewindaccordions
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B28D.html
CPC Scheme - B28D WORKING STONE OR STONE-LIKE MATERIALS
cpc schemeworkingstonelikematerials
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-G03B.html
CPC Scheme - G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING...
cpc schemetaking photographsapparatus
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-C08F.html
CPC Scheme - C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON...
cpc scheme
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B29L.html
CPC Scheme - B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
cpc schemeassociated with
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-F24T.html
CPC Scheme - F24T GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
cpc schemegeothermalcollectorssystems
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B62M.html
CPC Scheme - B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR...
cpc schemewheeled vehiclesriderpropulsion
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-D02G.html
CPC Scheme - D02G CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
cpc schemecrimpingcurlingfibresfilaments
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-H01J.html
CPC Scheme - H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
electric discharge tubescpc schemelamps
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B42P.html
CPC Scheme - B42P INDEXING SCHEME RELATING TO BOOKS, FILING APPLIANCES OR THE LIKE
cpc schemeto books
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-D.html
CPC Scheme - D TEXTILES; PAPER
cpc schemetextilespaper
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B62D.html
CPC Scheme - B62D MOTOR VEHICLES; TRAILERS
cpc schememotor vehiclestrailers
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-C10N.html
CPC Scheme - C10N INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
cpc schemeassociated with
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-D21G.html
CPC Scheme - D21G CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
cpc schemeaccessories forpaper makingcalendersmachines
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-G09C.html
CPC Scheme - G09C CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING...
cpc scheme
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-A45C.html
CPC Scheme - A45C PURSES; LUGGAGE; HAND CARRIED BAGS
cpc schemepursesluggagehandcarried
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-C07D.html
CPC Scheme - C07D HETEROCYCLIC COMPOUNDS
cpc schemeheterocycliccompounds
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-E04F.html
CPC Scheme - E04F FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
cpc schemefinishing workon buildings
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-C12H.html
CPC Scheme - C12H PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR...
cpc schemepasteurisationsterilisationpreservationpurification
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-F24D.html
CPC Scheme - F24D DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC...
cpc schemespace heatingdomestic
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-A24F.html
CPC Scheme - A24F SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
cpc schemesmokers requisitesmatch boxessimulatedsmoking
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-H10H.html
CPC Scheme - H10H INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
cpc schemesemiconductor devicesinorganiclight
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-H04L.html
CPC Scheme - H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
cpc schemedigital informationtransmission
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-G06V.html
CPC Scheme - G06V IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
cpc schemeimagevideorecognitionunderstanding
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-E04G.html
CPC Scheme - E04G SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE;...
cpc scheme
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-C07J.html
CPC Scheme - C07J STEROIDS
cpc schemesteroids
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-D06Q.html
CPC Scheme - D06Q DECORATING TEXTILES
cpc schemedecoratingtextiles
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-Y04S.html
CPC Scheme - Y04S SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION,...
cpc schemerelated topower networksystemsintegrating
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-H01B.html
CPC Scheme - H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE,...
selection of materialscpc scheme
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-A63K.html
CPC Scheme - A63K RACING; RIDING SPORTS; EQUIPMENT OR ACCESSORIES THEREFOR
cpc schemeriding sportsracingequipmentaccessories
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-D01G.html
CPC Scheme - D01G PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
cpc schemepreliminarytreatment
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B25C.html
CPC Scheme - B25C HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
cpc schemehand held
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-G01J.html
CPC Scheme - G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR...
cpc scheme
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-F01P.html
CPC Scheme - F01P COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
cpc schemeof machines
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B43M.html
CPC Scheme - B43M BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
cpc schemebureauaccessoriesotherwiseprovided
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-A61J.html
CPC Scheme - A61J CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR...
cpc scheme
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B04B.html
CPC Scheme - B04B CENTRIFUGES
cpc schemecentrifuges
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-G01H.html
CPC Scheme - G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
cpc scheme
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-E03C.html
CPC Scheme - E03C DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER ; SINKS
cpc schemedomestic plumbing
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-H03C.html
CPC Scheme - H03C MODULATION
cpc schememodulation
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-G06F.html
CPC Scheme - G06F ELECTRIC DIGITAL DATA PROCESSING
cpc schemedigital dataelectricprocessing
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-A47B.html
CPC Scheme - A47B TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
cpc schemedesks office
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-F23N.html
CPC Scheme - F23N REGULATING OR CONTROLLING COMBUSTION
cpc schemeregulatingcontrollingcombustion
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-A63J.html
CPC Scheme - A63J DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
cpc scheme
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B27L.html
CPC Scheme - B27L REMOVING BARK OR VESTIGES OF BRANCHES ; SPLITTING WOOD; MANUFACTURE OF VENEER,...
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-F16M.html
CPC Scheme - F16M FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO...
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-E01B.html
CPC Scheme - E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B65G.html
CPC Scheme - B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP...
https://www.uspto.gov/web/patents/classification/cpc/html/defF21Y.html
CPC Definition - F21Y INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELAT...
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B66F.html
CPC Scheme - B66F HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES...
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-C14C.html
CPC Scheme - C14C CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING,...
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-G06C.html
CPC Scheme - G06C DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-D06M.html
CPC Scheme - D06M TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,...
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B62H.html
CPC Scheme - B62H CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES...
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-C03C.html
CPC Scheme - C03C CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF...
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-F27M.html
CPC Scheme - F27M INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR...
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B21C.html
CPC Scheme - B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE...
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-C06D.html
CPC Scheme - C06D MEANS FOR GENERATING SMOKE OR MIST; GAS-ATTACK COMPOSITIONS; GENERATION OF GAS...
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-F25D.html
CPC Scheme - F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE...
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-D04G.html
CPC Scheme - D04G MAKING NETS BY KNOTTING OF FILAMENTARY MATERIAL; MAKING KNOTTED CARPETS OR...
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-B27G.html
CPC Scheme - B27G ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR...
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-Y02W.html
CPC Scheme - Y02W CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE...
climate change mitigation
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-C10G.html
CPC Scheme - C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY...
https://www.uspto.gov/web/patents/classification/cpc/html/cpc-E01F.html
CPC Scheme - E01F ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS,...