Patent Technology Classes
Browse US patents by Cooperative Patent Classification (CPC) technology area, built from official USPTO data via PatentsView. See our methodology.
670 CPC subclasses · Page 6 of 14
Technology Subclasses · Page 6 (251–300 of 670)
| Code | Technology Area | Class | Patents |
|---|---|---|---|
| C10L | FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS | C10 | 5,025 |
| B05C | APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL | B05 | 5,022 |
| B62K | CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE | B62 | 4,996 |
| A45D | HAIRDRESSING OR SHAVING EQUIPMENT ; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING | A45 | 4,762 |
| A47G | HOUSEHOLD OR TABLE EQUIPMENT | A47 | 4,697 |
| C03B | MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES | C03 | 4,651 |
| E05D | HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS | E05 | 4,538 |
| A01B | SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL | A01 | 4,498 |
| B22D | CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES | B22 | 4,425 |
| B60S | SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR | B60 | 4,346 |
| B60B | VEHICLE WHEELS ; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION | B60 | 4,268 |
| C10M | LUBRICATING COMPOSITIONS ; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION | C10 | 4,240 |
| B67D | DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR | B67 | 4,233 |
| Y02C | CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG] | Y02 | 4,229 |
| C25B | ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR | C25 | 4,224 |
| F01L | CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES | F01 | 4,152 |
| F23R | GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS | F23 | 4,138 |
| F01P | COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES | F01 | 4,129 |
| B62J | CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS | B62 | 4,111 |
| F17C | VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES | F17 | 4,101 |
| D21H | PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR | D21 | 4,080 |
| B06B | METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, ; e.g.; FOR PERFORMING MECHANICAL WORK IN GENERAL | B06 | 4,009 |
| B66F | HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD | B66 | 4,001 |
| F41A | FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE | F41 | 3,993 |
| H05H | PLASMA TECHNIQUE ; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS | H05 | 3,951 |
| F24C | DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION | F24 | 3,868 |
| D01F | CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS | D01 | 3,867 |
| C10N | INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS | C10 | 3,834 |
| H02N | ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR | H02 | 3,799 |
| E04C | STRUCTURAL ELEMENTS; BUILDING MATERIALS | E04 | 3,792 |
| G16Z | INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR | G16 | 3,767 |
| A01C | PLANTING; SOWING; FERTILISING | A01 | 3,761 |
| B26D | CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING | B26 | 3,757 |
| F42B | EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION | F42 | 3,745 |
| C08B | POLYSACCHARIDES; DERIVATIVES THEREOF | C08 | 3,742 |
| B62M | RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR ; SINGLE-TRACK; CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES | B62 | 3,735 |
| B66B | ELEVATORS; ESCALATORS OR MOVING WALKWAYS | B66 | 3,714 |
| B66C | CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES | B66 | 3,676 |
| A47F | SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS | A47 | 3,660 |
| A45C | PURSES; LUGGAGE; HAND CARRIED BAGS | A45 | 3,658 |
| C09B | ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES ; , e.g. PIGMENTS; MORDANTS; LAKES | C09 | 3,624 |
| G01H | MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES | G01 | 3,605 |
| B25F | COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR | B25 | 3,594 |
| A47K | SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR ; TOILET ACCESSORIES | A47 | 3,567 |
| B63H | MARINE PROPULSION OR STEERING | B63 | 3,529 |
| E01C | CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR | E01 | 3,503 |
| F02N | STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR | F02 | 3,467 |
| D04H | MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL ; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION | D04 | 3,452 |
| C22F | CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS | C22 | 3,437 |
| F01M | LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING | F01 | 3,398 |
CPC (Cooperative Patent Classification) data from USPTO PatentsView. Patents granted 2015–2025.