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

Top Companies 1997

Ranked by patent count

Showing 12,351–12,400 of 13,859 companies

Rank Company Patents
#12444 Digestive Care 1
#12445 Difco Laboratories Incorporated 1
#12446 Difco 1
#12447 Dietrich Industries 1
#12448 Dieter Wildfang Gmbh 1
#12449 Diesel Technology 1
#12450 Diesel Equipment Limited 1
#12451 Diehl Remscheid Gmbh & Co. Kg 1
#12452 Dideco S.P.A. 1
#12453 Dico 1
#12454 Dickey-John 1
#12455 Dichtungstechnik G. Bruss Gmbh & Co. Kg 1
#12456 Diamond Scientific 1
#12457 Diamond Sa 1
#12458 Diamond Products International 1
#12459 Diamond Communication Products 1
#12460 Diamicron 1
#12461 Diamant Boart Stratabit S.A. 1
#12462 Dialer & Business Electronic Co. 1
#12463 Diagraph 1
#12464 Diagnostics Instruments 1
#12465 Diagnostic Ultrasound 1
#12466 Diablo Research 1
#12467 Dia Semicon Systems Incorporated 1
#12468 Dfm 1
#12469 Dexin 1
#12470 Dewert Antriebs- Und Systemtechnik Gmbh 1
#12471 Dew Engineering And Development Ulc 1
#12472 Devro Plc 1
#12473 Devro Limited 1
#12474 Devilbiss Healthcare 1
#12475 Devilbiss Air Power 1
#12476 Develog, Reiner Hannen & Cie 1
#12477 Devant 1
#12478 Deutsches Krebsforschungszentrum 1
#12479 Deutsche Star Gmbh 1
#12480 Deutsche Lufthansa Ag 1
#12481 Detroit Edison 1
#12482 Dethmers Manufacturing 1
#12483 Detexomat Machinery Limited 1
#12484 Detector Electronics 1
#12485 Deslauriers 1
#12486 Designtech International 1
#12487 Design Specialties 1
#12488 Design & Manufacturing Solutions 1
#12489 Design Automation 1
#12490 Desert Aire 1
#12491 Desco Von Schulthess Ag 1
#12492 Desco Industries 1
#12493 Deposition Sciences 1