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

Top Companies 1997

Ranked by patent count

Showing 12,251–12,300 of 13,859 companies

Rank Company Patents
#12344 Durr Dental Gmbh & Co. Kg 1
#12345 Duro Dyne 1
#12346 Durand-Wayland 1
#12347 Durand-Raute Industries 1
#12348 Duramax 1
#12349 Dura-Kold 1
#12350 Dura Convertible Systems 1
#12351 Dur-O-Wal 1
#12352 Duquesne University Of The Holy Ghost 1
#12353 Duo-Fast 1
#12354 Dunlop Manufacturing 1
#12355 Dunlop Limited, A British 1
#12356 Duly Research 1
#12357 Dtm 1
#12358 D.T. Systems 1
#12359 Dt Membranfilter Vertriebs Gmbh 1
#12360 Dsp Group 1
#12361 Dsm Copolymer 1
#12362 Dsc Telecom Lp 1
#12363 Dry Dock Industries 1
#12364 Drummond Scientific 1
#12365 Drum Workshop 1
#12366 Drug Plastics & Glass Company 1
#12367 Drug Delivery System Institute 1
#12368 Drip Irrigation Systems 1
#12369 Drillflex 1
#12370 Drexel Oil Field Services 1
#12371 Drew Chemical 1
#12372 Draiswerke Gmbh 1
#12373 Dragon Systems 1
#12374 Dragoco Gerberding & Co. Ag 1
#12375 Dr. Wolman Gmbh 1
#12376 Dr. Rentschler Arzneimittel Gmbh & 1
#12377 Dr. Reddy'S Research Foundation 1
#12378 Dpd 1
#12379 Doxa Aktiebolag 1
#12380 Dowty Boulton Paul Limited 1
#12381 Dowty Aerospace Gloucester Limited 1
#12382 Downing Displays 1
#12383 Dow Pharmaceutical Sciences 1
#12384 Dow Brands 1
#12385 Dover Systems 1
#12386 Douglas Dynamics, L.L.C. 1
#12387 Double H Plastics 1
#12388 Double E 1
#12389 Dott Research Laboratory 1
#12390 Doskocil Manufacturing Company 1
#12391 Dorst-Maschinen Und Anlagenbau Otto Dorst Und Dipl. Ing. Walter Schlegel Gmbh & Co. Cnt Dex Cod 03 1
#12392 Doron Precision Systems 1
#12393 Dornier Medizintechnik Gmbh 1