Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Top Companies 1997

Ranked by patent count

Showing 12,301–12,350 of 13,859 companies

Rank Company Patents
#12394 Dorner Medical Systems 1
#12395 Dorma Door Controls 1
#12396 Doowon Climate Control Co. 1
#12397 Donnelly Technology 1
#12398 Domtar 1
#12399 Dometic 1
#12400 Domco Industries 1
#12401 Dom-Sicherheitstechnik Gmbh & Co. Kg 1
#12402 Dolomite S.P.A. 1
#12403 Dolco Packaging 1
#12404 Dojin Iyaku Kako Co. 1
#12405 Doikos Investments 1
#12406 Doerner Products 1
#12407 Doduco Gmbh & Co., Dr. Eugen Durrwachter 1
#12408 Doduco Gmbh 1
#12409 Dock Leveler Manufacturing 1
#12410 Doble Engineering 1
#12411 Doben Limited 1
#12412 D'Mannco 1
#12413 D&L Company 1
#12414 Dkk Company, Limited 1
#12415 Dixie Yarns 1
#12416 Dixie-Narco 1
#12417 Dixie Electrical Manufacturing 1
#12418 Dixie Chemical 1
#12419 Diving Unlimited International 1
#12420 Diversitech 1
#12421 Diversified Electronics 1
#12422 Diversified Control 1
#12423 Dittler Brothers Incorporated 1
#12424 Distribution Control Systems 1
#12425 Disposable Waste Systems 1
#12426 Display Laboratories 1
#12427 Disetronic Ag 1
#12428 Discreet Logic 1
#12429 Discovery Therapeutics 1
#12430 Discovery Semiconductors 1
#12431 Director Of National Food Research Institute, Ministry Of Agriculture, Forestry And Fisheries 1
#12432 Directed Energy 1
#12433 Dimplex North America Limited 1
#12434 Dimex 1
#12435 Dimension Technologies 1
#12436 Dilor 1
#12437 Digmesa Ag 1
#12438 Digital Scintigraphics 1
#12439 Digital Equipment International 1
#12440 Digital Dynamics 1
#12441 Digital Control Incorporated 1
#12442 Digirad 1
#12443 Digimarc 1