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 5 of 14
Technology Subclasses · Page 5 (201–250 of 670)
| Code | Technology Area | Class | Patents |
|---|---|---|---|
| E06B | Fixed OR Movable Closures FOR Openings IN Buildings, Vehicles, Fences OR Like Enclosures IN General, e.g. Doors, Windows, Blinds, Gates | E06 | 7,398 |
| F03D | Wind Motors | F03 | 7,370 |
| B21D | Working OR Processing OF Sheet Metal OR Metal Tubes, Rods OR Profiles Without Essentially Removing MATERIAL; Punching Metal | B21 | 7,309 |
| H01P | WAVEGUIDES; Resonators, Lines, OR Other Devices OF THE Waveguide Type | H01 | 7,237 |
| F15B | Systems Acting BY Means OF Fluids IN GENERAL; Fluid-pressure Actuators, e.g. SERVOMOTORS; Details OF Fluid-pressure Systems, NOT Otherwise Provided FOR | F15 | 7,094 |
| F21K | Non-electric Light Sources Using LUMINESCENCE; Light Sources Using ELECTROCHEMILUMINESCENCE; Light Sources Using Charges OF Combustible MATERIAL; Light Sources Using Semiconductor Devices AS Light-generating ELEMENTS; Light Sources NOT Otherwise Provided FOR | F21 | 7,021 |
| A61H | Physical Therapy Apparatus, e.g. Devices FOR Locating OR Stimulating Reflex Points IN THE BODY; Artificial RESPIRATION; MASSAGE; Bathing Devices FOR Special Therapeutic OR Hygienic Purposes OR Specific Parts OF THE Body | A61 | 6,990 |
| B60J | Windows, Windscreens, Non-fixed Roofs, Doors, OR Similar Devices FOR VEHICLES; Removable External Protective Coverings Specially Adapted FOR Vehicles | B60 | 6,966 |
| C01G | Compounds Containing Metals NOT Covered BY Subclasses C01d OR C01f | C01 | 6,857 |
| A61J | Containers Specially Adapted FOR Medical OR Pharmaceutical PURPOSES; Devices OR Methods Specially Adapted FOR Bringing Pharmaceutical Products Into Particular Physical OR Administering FORMS; Devices FOR Administering Food OR Medicines ORALLY; Baby COMFORTERS; Devices FOR Receiving Spittle | A61 | 6,855 |
| C21D | Modifying THE Physical Structure OF Ferrous METALS; General Devices FOR Heat Treatment OF Ferrous OR Non-ferrous Metals OR ALLOYS; Making Metal Malleable, e.g. BY Decarburisation OR Tempering | C21 | 6,851 |
| B63B | Ships OR Other Waterborne VESSELS; Equipment FOR Shipping | B63 | 6,790 |
| B81B | Microstructural Devices OR Systems, e.g. Micromechanical Devices | B81 | 6,733 |
| B60G | Vehicle Suspension Arrangements | B60 | 6,732 |
| H03L | Automatic Control, Starting, Synchronisation OR Stabilisation OF Generators OF Electronic Oscillations OR Pulses | H03 | 6,701 |
| A47C | CHAIRS; SOFAS; Beds | A47 | 6,586 |
| A61G | Transport, Personal Conveyances, OR Accommodation Specially Adapted FOR Patients OR Disabled Persons ; Operating Tables OR CHAIRS; Chairs FOR DENTISTRY; Funeral Devices | A61 | 6,566 |
| F21W | Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO Uses OR Applications OF Lighting Devices OR Systems | F21 | 6,556 |
| F04C | Rotary-piston, OR Oscillating-piston, Positive-displacement Machines FOR Liquids ; Rotary-piston, OR Oscillating-piston, Positive-displacement Pumps | F04 | 6,508 |
| C11D | Detergent COMPOSITIONS; USE OF Single Substances AS DETERGENTS; Soap OR SOAP-MAKING; Resin SOAPS; Recovery OF Glycerol | C11 | 6,504 |
| G01T | Measurement OF Nuclear OR X-radiation | G01 | 6,488 |
| H02S | Generation OF Electric Power BY Conversion OF Infrared Radiation, Visible Light OR Ultraviolet Light, e.g. Using Photovoltaic [PV] Modules | H02 | 6,483 |
| C07H | SUGARS; Derivatives THEREOF; NUCLEOSIDES; NUCLEOTIDES; Nucleic Acids | C07 | 6,464 |
| G08C | Transmission Systems FOR Measured Values, Control OR Similar Signals | G08 | 6,426 |
| B24B | Machines, Devices, OR Processes FOR Grinding OR Polishing ; Dressing OR Conditioning OF Abrading SURFACES; Feeding OF Grinding, Polishing, OR Lapping Agents | B24 | 6,402 |
| B41M | Printing, Duplicating, Marking, OR Copying PROCESSES; Colour Printing, | B41 | 6,377 |
| G16B | Bioinformatics, i.e. Information AND Communication Technology [ICT] Specially Adapted FOR Genetic OR Protein-related Data Processing IN Computational Molecular Biology | G16 | 6,310 |
| A01G | HORTICULTURE; Cultivation OF Vegetables, Flowers, Rice, Fruit, Vines, Hops OR SEAWEED; FORESTRY; Watering | A01 | 6,293 |
| E04H | Buildings OR Like Structures FOR Particular PURPOSES; Swimming OR Splash Baths OR POOLS; MASTS; FENCING; Tents OR Canopies, IN General | E04 | 6,263 |
| B25B | Tools OR Bench Devices NOT Otherwise Provided FOR, FOR Fastening, Connecting, Disengaging OR Holding | B25 | 6,226 |
| G02C | SPECTACLES; Sunglasses OR Goggles Insofar AS They Have THE Same Features AS SPECTACLES; Contact Lenses | G02 | 6,144 |
| C25D | Processes FOR THE Electrolytic OR Electrophoretic Production OF COATINGS; ELECTROFORMING; Apparatus Therefor | C25 | 6,127 |
| A43B | Characteristic Features OF FOOTWEAR; Parts OF Footwear | A43 | 6,010 |
| D06F | Laundering, Drying, Ironing, Pressing OR Folding Textile Articles | D06 | 6,009 |
| C30B | Single-crystal Growth ; Unidirectional Solidification OF Eutectic Material OR Unidirectional Demixing OF Eutectoid MATERIAL; Refining BY Zone-melting OF Material ; Production OF A Homogeneous Polycrystalline Material With Defined Structure ; Single Crystals OR Homogeneous Polycrystalline Material WI | C30 | 5,993 |
| A24F | Smokers' REQUISITES; Match BOXES; Simulated Smoking Devices | A24 | 5,971 |
| B23Q | Details, Components, OR Accessories FOR Machine Tools, e.g. Arrangements FOR Copying OR Controlling ; Machine Tools IN General Characterised BY THE Construction OF Particular Details OR COMPONENTS; Combinations OR Associations OF Metal-working Machines, NOT Directed TO A Particular Result | B23 | 5,906 |
| A01D | HARVESTING; Mowing | A01 | 5,886 |
| H04H | Broadcast Communication | H04 | 5,838 |
| B29B | Preparation OR Pretreatment OF THE Material TO BE SHAPED; Making Granules OR PREFORMS; Recovery OF Plastics OR Other Constituents OF Waste Material Containing Plastics | B29 | 5,640 |
| B81C | Processes OR Apparatus Specially Adapted FOR THE Manufacture OR Treatment OF Microstructural Devices OR Systems | B81 | 5,547 |
| F02K | Jet-propulsion Plants | F02 | 5,533 |
| E05F | Devices FOR Moving Wings Into Open OR Closed POSITION; Checks FOR WINGS; Wing Fittings NOT Otherwise Provided FOR, Concerned With THE Functioning OF THE Wing | E05 | 5,529 |
| B64F | Ground OR Aircraft-carrier-deck Installations Specially Adapted FOR USE IN Connection With AIRCRAFT; Designing, Manufacturing, Assembling, Cleaning, Maintaining OR Repairing Aircraft, NOT Otherwise Provided FOR; Handling, Transporting, Testing OR Inspecting Aircraft Components, NOT Otherwise Provide | B64 | 5,518 |
| D10B | Indexing Scheme Associated With Sublasses OF Section D, Relating TO Textiles | D10 | 5,422 |
| A41D | OUTERWEAR; Protective GARMENTS; Accessories | A41 | 5,359 |
| B23B | TURNING; Boring | B23 | 5,282 |
| B60P | Vehicles Adapted FOR Load Transportation OR TO Transport, TO Carry, OR TO Comprise Special Loads OR Objects | B60 | 5,242 |
| H03G | Control OF Amplification | H03 | 5,213 |
| E04F | Finishing Work ON Buildings, e.g. Stairs, Floors | E04 | 5,179 |
CPC (Cooperative Patent Classification) data from USPTO PatentsView. Patents granted 2015–2025.