PlainPatent

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 2 of 14

Technology Subclasses · Page 2 (51–100 of 670)

Code Technology Area Class Patents
B60K Arrangement OR Mounting OF Propulsion Units OR OF Transmissions IN VEHICLES; Arrangement OR Mounting OF Plural Diverse Prime-movers IN VEHICLES; Auxiliary Drives FOR VEHICLES; Instrumentation OR Dashboards FOR VEHICLES; Arrangements IN Connection With Cooling, AIR Intake, GAS Exhaust OR Fuel Supply B60 34,645
H02M Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof H02 33,952
H04R Loudspeakers, Microphones, Gramophone Pick-ups OR Like Acoustic Electromechanical TRANSDUCERS; Deaf-aid SETS; Public Address Systems H04 33,502
H05B Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General H05 33,418
C07C Acyclic OR Carbocyclic Compounds C07 32,521
Y02A Technologies FOR Adaptation TO Climate Change Y02 32,476
G01C Measuring Distances, Levels OR BEARINGS; SURVEYING; NAVIGATION; Gyroscopic INSTRUMENTS; Photogrammetry OR Videogrammetry G01 32,360
C12Q Measuring OR Testing Processes Involving Enzymes, Nucleic Acids OR Microorganisms ; Compositions OR Test Papers THEREFOR; Processes OF Preparing Such COMPOSITIONS; Condition-responsive Control IN Microbiological OR Enzymological Processes C12 32,189
H10B Electronic Memory Devices 31,904
H10F Inorganic Semiconductor Devices Sensitive TO Infrared Radiation, Light, Electromagnetic Radiation OF Shorter Wavelength OR Corpuscular Radiation H10 31,010
A61N ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy A61 30,889
H03K Pulse Technique H03 30,872
F05D Indexing Scheme FOR Aspects Relating TO Non-positive-displacement Machines OR Engines, Gas-turbines OR Jet-propulsion Plants F05 30,682
B60L Propulsion OF Electrically-propelled Vehicles ; Supplying Electric Power FOR Auxiliary Equipment OF Electrically-propelled Vehicles ; Electrodynamic Brake Systems FOR Vehicles IN General ; Magnetic Suspension OR Levitation FOR VEHICLES; Monitoring Operating Variables OF Electrically-propelled Vehicl B60 29,944
H01Q Antennas, i.e. Radio Aerials H01 29,793
C23C Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General C23 29,488
B62D Motor VEHICLES; Trailers B62 29,451
B65D Containers FOR Storage OR Transport OF Articles OR Materials, e.g. Bags, Barrels, Bottles, Boxes, Cans, Cartons, Crates, Drums, Jars, Tanks, Hoppers, Forwarding CONTAINERS; Accessories, Closures, OR Fittings THEREFOR; Packaging ELEMENTS; Packages B65 29,449
C08G Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds C08 29,133
C09K Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere C09 29,124
C08K Use of inorganic or non-macromolecular organic substances as compounding ingredients C08 28,505
F16H Gearing F16 27,860
C09D Coating Compositions, e.g. Paints, Varnishes OR LACQUERS; Filling PASTES; Chemical Paint OR INK REMOVERS; INKS; Correcting FLUIDS; WOODSTAINS; Pastes OR Solids FOR Colouring OR PRINTING; USE OF Materials Therefor C09 27,394
G06K Graphical Data Reading ; Presentation OF DATA; Record CARRIERS; Handling Record Carriers G06 27,107
G08G Traffic Control Systems G08 27,080
H02K Dynamo-electric Machines H02 26,848
G03G ELECTROGRAPHY; ELECTROPHOTOGRAPHY; Magnetography G03 26,691
B41J TYPEWRITERS; Selective Printing Mechanisms, i.e. Mechanisms Printing Otherwise Than From A FORME; Correction OF Typographical Errors B41 26,654
G08B Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems G08 25,403
H10H Inorganic Light-emitting Semiconductor Devices Having Potential Barriers H10 25,379
A61L Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES; Materials FOR Bandages, Dressings, Absorbent Pads OR Surgical Articles A61 25,308
F01D Non-positive Displacement Machines OR Engines, e.g. Steam Turbines F01 24,492
H01J Electric Discharge Tubes OR Discharge Lamps H01 24,482
F21V Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR F21 23,679
H10N Electric Solid-state Devices NOT Otherwise Provided FOR H10 23,338
C08F Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds C08 23,159
B29L Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles B29 23,135
B82Y Specific Uses OR Applications OF NANOSTRUCTURES; Measurement OR Analysis OF NANOSTRUCTURES; Manufacture OR Treatment OF Nanostructures B82 23,042
B29K Indexing Scheme Associated With Subclasses B29b, B29c OR B29d, Relating TO Moulding Materials OR TO Materials FOR ; Moulds, ; Reinforcements, Fillers OR Preformed Parts, e.g. Inserts B29 22,850
G01B Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours G01 22,043
B64D Equipment FOR Fitting IN OR TO AIRCRAFT; Flight SUITS; PARACHUTES; Arrangement OR Mounting OF Power Plants OR Propulsion Transmissions IN Aircraft B64 21,967
G03B Apparatus OR Arrangements FOR Taking Photographs OR FOR Projecting OR Viewing THEM; Apparatus OR Arrangements Employing Analogous Techniques Using Waves Other Than Optical WAVES; Accessories Therefor G03 21,728
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties H01 21,711
G03F Photomechanical Production OF Textured OR Patterned Surfaces, e.g. FOR Printing, FOR Processing OF Semiconductor DEVICES; Materials THEREFOR; Originals THEREFOR; Apparatus Specially Adapted THEREFOR; G03 21,670
B25J MANIPULATORS; Chambers Provided With Manipulation Devices B25 21,590
G11B Information Storage Based ON Relative Movement Between Record Carrier AND Transducer G11 21,500
C08J WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h C08 21,338
H03M CODING; DECODING; Code Conversion IN General H03 21,338
B23K Soldering OR UNSOLDERING; WELDING; Cladding OR Plating BY Soldering OR WELDING; Cutting BY Applying Heat Locally, e.g. Flame CUTTING; Working BY Laser Beam B23 21,060
G07C Time OR Attendance REGISTERS; Registering OR Indicating THE Working OF MACHINES; Generating Random NUMBERS; Voting OR Lottery APPARATUS; Arrangements, Systems OR Apparatus FOR Checking NOT Provided FOR Elsewhere G07 20,919

CPC (Cooperative Patent Classification) data from USPTO PatentsView. Patents granted 2015–2025.