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USPTO Patent Rankings Data through Sept 30, 2025
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Top Companies All Time

Ranked by patent count

Showing 31,251–31,300 of 106,127 companies

Rank Company Patents
#31563 Berwind 19
#31564 The Stouffer 19
#31565 Kernforschungsanlage Juelich Gmbh 19
#31566 Marley Tile Ag 19
#31567 Klockner-Becorit 19
#31568 Buchtal Gesellschaft Mit Beschraenkter Haftung 19
#31569 Tokyo Tatsuno Co. 19
#31570 Kurita Machinery Manufacturing Co. 19
#31571 Autopart Sweden Ab 19
#31572 Smh Alcatel 19
#31573 Toshiba Electric Equipment 19
#31574 At&E 19
#31575 Haskel 19
#31576 Miniscribe 19
#31577 Ludwig Heumann & Co. Gmbh 19
#31578 Sunds Defibrator Ab 19
#31579 Sani-Fresh International 19
#31580 American Telephone & Telegraph Co., At&T Bell Labs. 19
#31581 Four Seasons Solar Products 19
#31582 Gebr. Bode & Co. Gmbh 19
#31583 Nl Petroleum Products Limited 19
#31584 Dowty Mining Equipment Limited 19
#31585 Magyar Aluminiumipari Troszt 19
#31586 Heil-Quaker 19
#31587 Kaiser Steel 19
#31588 Webster Spring Co. 19
#31589 Unit Rig & Equipment 19
#31590 Mcdermott Incorporated 19
#31591 Vitaloni Group S.P.A. 19
#31592 The Washington Group 19
#31593 Lamb Technicon 19
#31594 Draft Systems 19
#31595 Biotest-Serum-Institut Gmbh 19
#31596 Ferro Manufacturing 19
#31597 Interatom International Atomreaktorbau Gmbh 19
#31598 Howmet Turbine Components 19
#31599 Rothmans Of Pall Mall Canada Limited 19
#31600 Esmil B.V. 19
#31601 Gray Tool 19
#31602 Atwood Vacuum Machine 19
#31603 Litton Resources Systems 19
#31604 Vereinigte Flugtechnische Werke Gmbh 19
#31605 Tippins Machinery Co. 19
#31606 Edwin Cooper 19
#31607 Gte Communication Products 19
#31608 T.A.D. Avanti 19
#31609 True Temper 19
#31610 Bangor Punta 19
#31611 Cem - Compagnie Electro-Mecanique 19
#31612 Edison International 19