Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Top Companies 2003

Ranked by patent count

Showing 16,301–16,350 of 18,594 companies

Rank Company Patents
#16435 Eontech Group 1
#16436 Eolas Technologies 1
#16437 Eog Resources 1
#16438 Eoa Systems Incorporated 1
#16439 Enzymotec 1
#16440 Enzrel 1
#16441 Enzo Life Sciences 1
#16442 Envitec-Wismar Gmbh 1
#16443 Envirotech Pumpsystems 1
#16444 Environmental Test Systems 1
#16445 Environmental Robots 1
#16446 Environmental Reprocessing 1
#16447 Environmental Dynamics 1
#16448 Enviro-Pac International 1
#16449 Envec Mess- Und Regeltechnik Gmbh + 1
#16450 Entelos 1
#16451 Entac Co. 1
#16452 Ensys 1
#16453 Ensign-Bickford Aerospace & Defense 1
#16454 Enshu Limited 1
#16455 Enseo 1
#16456 Ensco International Incorporated 1
#16457 Enovation Controls 1
#16458 Enlink Geoenergy Services 1
#16459 Enigma Information Systems 1
#16460 Enichem Synthesis S.P.A. 1
#16461 Enhance 1
#16462 Enginuity 1
#16463 Engineering Matters 1
#16464 Engineering Dynamics 1
#16465 Engineered Products And Services 1
#16466 Engineered Machined Products 1
#16467 Engineered Glass Products, Llc. 1
#16468 Engineered Controls International 1
#16469 Engineered Arresting Systems 1
#16470 Engineered Abrasives 1
#16471 Engelhard De Meern B.V. 1
#16472 Enertrols 1
#16473 Enersafe 1
#16474 Enerquin Air 1
#16475 Enermax Technology 1
#16476 Energy Sciences 1
#16477 Energy Saving Products & Sales 1
#16478 Energy Recovery 1
#16479 Energy And Environmental Research Center Foundation 1
#16480 Energent 1
#16481 Enea — Ente Per Le Nuove Tecnologie, L'Energia E L'Ambiente 1
#16482 Endress+Hauser Wetzer Gmbh+Co. Kg 1
#16483 Endovia Medical 1
#16484 Endomed 1