Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Top Companies 1989

Ranked by patent count

Showing 9,901–9,950 of 11,124 companies

Rank Company Patents
#9985 Dynamet Holdings 1
#9986 Dynabrade 1
#9987 Dymax 1
#9988 Dutton-Lainson 1
#9989 Duskin Co. 1
#9990 Duro-Test 1
#9991 Durand-Raute Industries 1
#9992 Durametallic 1
#9993 Dural Aluminum Composites 1
#9994 Durakon Industries 1
#9995 Duraco Products 1
#9996 Durable Packaging 1
#9997 Dupro Ag 1
#9998 Dupont (Uk) Limited 1
#9999 Duplo Seizo Kabushiki Kaisa 1
#10000 Dunlop Gmbh 1
#10001 Duni Bila Ab 1
#10002 Duncan Industries Parking Control Systems 1
#10003 Dukane 1
#10004 Ducellier & Cie 1
#10005 Dubois Chemicals 1
#10006 Dual-Lite 1
#10007 Dsp Group 1
#10008 Dsm Resins B.V. 1
#10009 Dsl Dynamic Sciences Limited 1
#10010 Dsh 1
#10011 Dryvit Systems 1
#10012 Dr.M, Dr,Muller Ag. 1
#10013 Driscoll Strawberry Associates 1
#10014 Drilex Systems 1
#10015 Dril-Quip 1
#10016 Dri Steem Humidifier 1
#10017 Drexelbrook Engineering 1
#10018 Drew Chemical 1
#10019 Drag Specialties 1
#10020 Dr. Willmar Schwabe Gmbh & Co. Kg 1
#10021 Dr. Ine. H.C. F. Porsche Aktiengesellschaft 1
#10022 Dr. Hans Heubach Gmbh & Co Kg 1
#10023 Dowty Hydraulic Units Limited 1
#10024 Dowty Fuel Systems Limited 1
#10025 Down River International 1
#10026 Dow Corning K.K. 1
#10027 Dow Brands 1
#10028 Dover Resources 1
#10029 Douglas & Lomason 1
#10030 Double E 1
#10031 Doron Precision Systems 1
#10032 Dorman Products 1
#10033 Dorma Door Controls 1
#10034 Doris Engineering 1