Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Home › Companies

Top Companies All Time

Ranked by patent count

Showing 28,451–28,500 of 106,127 companies

Rank Company Patents
#28763 Townsend And Townsend And Crew Llp 21
#28764 American Magnetics 21
#28765 Damon 21
#28766 Kiddie Industries 21
#28767 Paramagnetic Logging 21
#28768 Upright 21
#28769 Wartsila Diesel International Ltd Oy 21
#28770 Dupro Ag 21
#28771 Drexelbrook Controls 21
#28772 Nordberg 21
#28773 Allison 21
#28774 N. A. Taylor Co. 21
#28775 Deutsche Babcock Anlagen Gmbh 21
#28776 Willamette Industries 21
#28777 Kel-Gar 21
#28778 The Crowell 21
#28779 Hydraulik-Ring Antriebs-Und Steuerungstechnik Gmbh 21
#28780 Menlo Care 21
#28781 Huntsman Specialty Chemicals 21
#28782 Roche Dianostic Systems 21
#28783 Chromatic Research 21
#28784 Computer Aided Systems 21
#28785 S.A.M.M.--Societe D'Applications Des Machines Motrices 21
#28786 Elcon Products International 21
#28787 Stonehart Associates 21
#28788 Beru Ruprecht Gmbh & Co. Kg 21
#28789 Tamarack Storage Devices 21
#28790 Kurzweil Applied Intelligence 21
#28791 Eskofot A/S 21
#28792 Sweco 21
#28793 Compuserve Incorporated 21
#28794 Kabushiki Kaisha Hattori Seiko 21
#28795 Bw/Ip International 21
#28796 Fairform Manufacturing Company Limited 21
#28797 Man-Gill Chemical 21
#28798 Tracor 21
#28799 Franklin Brass Manufacturing 21
#28800 Deacon Research 21
#28801 Astra Meditec Aktiebolag 21
#28802 Imagyn Medical 21
#28803 Cms Gilbreth Packaging Systems 21
#28804 De Nora Permelec S.P.A. 21
#28805 Melamine Chemicals 21
#28806 Micro-Pak 21
#28807 Grundfos International A/S 21
#28808 Mid-America Building Products 21
#28809 Maschinenfabrik Mueller-Weingarten Ag 21
#28810 Nova Techologies 21
#28811 Dolco Packaging 21
#28812 Gse 21