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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies

Technology Patent Rankings

Top inventors and companies by primary CPC technology field

Browse 87 Cooperative Patent Classification fields. Each field counts a patent once, using its primary Cooperative Patent Classification.

Section A · Human necessities

Technology FieldCPC ClassPatents
Agriculture A01 118,510
Baking and food doughs A21 5,301
Clothing A41 15,360
Firefighting and rescue A62 11,480
Foods and beverages A23 29,808
Footwear A43 14,144
Furniture and home goods A47 104,690
Luggage and personal items A45 23,912
Medical and veterinary science A61 647,303
Sports games and entertainment A63 101,287
Tobacco and smoking products A24 11,142

Section B · Operations and transport

Technology FieldCPC ClassPatents
Aircraft and aviation B64 39,983
Bottling and liquid handling B67 11,230
Cutting tools B26 15,360
Grinding and polishing B24 21,386
Hand tools B25 46,184
Land vehicle engineering B62 63,063
Layered products B32 33,965
Lifting and hoisting B66 21,579
Machine tools B23 69,907
Metal casting B22 19,780
Metalworking B21 25,884
Packaging and storage B65 149,084
Plastics manufacturing B29 73,465
Printing B41 86,829
Railways B61 10,855
Separation and mixing B01 123,197
Ships and boats B63 27,311
Spraying and coating B05 31,128
Vehicles B60 241,187

Section C · Chemistry and metallurgy

Technology FieldCPC ClassPatents
Alloys and metallurgy C22 21,817
Biotechnology and fermentation C12 110,620
Ceramics and cement C04 23,782
Coating metals C23 36,002
Detergents and oils C11 19,833
Dyes paints and adhesives C09 78,407
Electrolysis and electroplating C25 16,937
Fuels and petroleum C10 36,335
Glass C03 21,290
Inorganic chemistry C01 26,281
Iron and steel metallurgy C21 10,217
Organic chemistry C07 299,591
Polymers and plastics chemistry C08 141,422
Water treatment C02 21,902

Section D · Textiles and paper

Technology FieldCPC ClassPatents
Natural and synthetic fibers D01 11,898
Papermaking D21 17,204
Textiles and fabrics D04 9,063
Textile treatment D06 22,408

Section E · Fixed constructions

Technology FieldCPC ClassPatents
Buildings and construction E04 52,859
Doors and windows E06 16,490
Earth drilling and mining E21 68,615
Hydraulic and foundation engineering E02 23,587
Locks keys and doors E05 33,765
Roads railways and bridges E01 16,662
Water supply and plumbing E03 13,444

Section F · Mechanical engineering

Technology FieldCPC ClassPatents
Ammunition and explosives F42 12,428
Combustion engines F02 92,785
Combustion equipment F23 20,543
Engines and machines F01 64,762
Fluid pumps F04 45,734
Fluid systems and actuators F15 10,015
Heat exchange F28 17,371
Heating and ventilation F24 32,650
Lighting F21 38,285
Mechanical elements F16 194,258
Pumps turbines and wind power F03 15,285
Refrigeration and cooling F25 27,664
Weapons F41 30,751

Section G · Physics

Technology FieldCPC ClassPatents
Clocks and watches G04 10,245
Commerce and payment systems G07 47,853
Computing and AI G06 938,371
Control systems G05 64,532
Data storage G11 184,510
Education cryptography and display G09 85,080
Healthcare informatics G16 19,563
Measurement and testing G01 451,636
Nuclear technology G21 15,103
Optics and photonics G02 199,419
Photography and imaging G03 160,680
Signaling and traffic control G08 42,018
Sound and music technology G10 51,131

Section H · Electricity

Technology FieldCPC ClassPatents
Communications and networks H04 931,617
Electric power systems H02 160,047
Electric techniques H05 101,090
Electronic circuits H03 139,617
Semiconductor devices H10 258,875
Semiconductors H01 532,790