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

Ranked by patent count

Showing 21,101–21,150 of 106,127 companies

Rank Company Patents
#21413 Amati Communications 29
#21414 Endosonics 29
#21415 Sorin Biomedica S.P.A. 29
#21416 Vyzkumny Ustav Bavlnarsky A.S. 29
#21417 Amsc Subsidiary 29
#21418 E-Stamp 29
#21419 Rhone Merieux 29
#21420 Tippins Incorporated 29
#21421 Modern Royal Kabushiki Kaisha 29
#21422 Gec Alsthom Limited 29
#21423 The Research And Development Institute At Montana State University 29
#21424 Laroche Industries 29
#21425 Sanko Kaihatsu Kagaku Kenkyusho 29
#21426 Killer Loop Eyewear S.P.A. 29
#21427 Autry Industrial 29
#21428 Octel Communications 29
#21429 Oea 29
#21430 Benchmarq Microelectronics 29
#21431 Mcneil (Ohio) 29
#21432 Integrated Network 29
#21433 Tyndale Plains-Hunter 29
#21434 Labavia Sge 29
#21435 Selas Corporation Of America 29
#21436 Kuhlman 29
#21437 Monster Cable International 29
#21438 Pcr 29
#21439 Vtech Industries 29
#21440 Thomassen & Drijver-Verblifa B.V. 29
#21441 Ampex Systems 29
#21442 Alfa Laval Thermal Ab 29
#21443 Dowell, A Division Of Schlumberger Technology 29
#21444 Alcatel Sel Aktiengesellschaft 29
#21445 Thoratec Laboratories 29
#21446 Supra Products 29
#21447 Tyco Industries 29
#21448 Canstar Sports Group 29
#21449 Putzmeister-Werk Maschinenfabrik Gmbh 29
#21450 Portescap 29
#21451 Cajon 29
#21452 Gaston County Dyeing Machine 29
#21453 Nacam 29
#21454 Auburn International 29
#21455 A. Monforts Gmbh & 29
#21456 Bucher-Guyer Ag Maschinenfabrik 29
#21457 Doboy Packaging Machinery 29
#21458 Mid-West Conveyor Company 29
#21459 W. A. Lane 29
#21460 Jmk International 29
#21461 Inter-City Products Corporation (Usa) 29
#21462 Kaiyo Kogyo Kabushiki Kaisha 29