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

Ranked by patent count

Showing 9,751–9,800 of 11,124 companies

Rank Company Patents
#9835 Environmental Elements 1
#9836 Environmental Container Systems 1
#9837 Environment One 1
#9838 Enviro-Spray Systems 1
#9839 Envirex 1
#9840 Entreprise Jean Lefebvre 1
#9841 Entreprise D'Equipments Mecanique Et Hydrauliques E.M.H. 1
#9842 Ensuiko Sugar Refining Co. 1
#9843 Ensr 1
#9844 Enso-Gutzeit Oy 1
#9845 Ensco 1
#9846 Enron Chemical 1
#9847 Enichem Synthesis S.P.A. 1
#9848 Enichem S.P.A 1
#9849 Enichem Agricoltura S.P.A. 1
#9850 Engineering Research Associates 1
#9851 Engineering Patents & Equipment Lmt. 1
#9852 Engineering Measurements 1
#9853 Engineering Enterprises 1
#9854 Engineered Transition Company 1
#9855 Engineered Controls International 1
#9856 Engetra S.A. 1
#9857 Energy Optics, Incorporated 1
#9858 Energy Conservation Partnership 1
#9859 Enea Comitato Nazionale Per La Ricerca E Per Lo Sviluppo Dell'Energia Nucleare E Delle Energie Alternative 1
#9860 Endotronics 1
#9861 Endo-Therapeutics 1
#9862 Endevco 1
#9863 Encon Industries 1
#9864 Enami Seiki Mfg. Co. 1
#9865 En-Tout-Cas Plc 1
#9866 Emuge-Werk Richard Glimpel Fabrik Fuer Praezisionswerkzeuge Vormals Moschkau & Glimpel 1
#9867 Emtek Health Care Systems 1
#9868 Eminent Technology Incorporated 1
#9869 Emf 1
#9870 Emergency Technology 1
#9871 Emcore 1
#9872 Emag Maschinenfabrik Gmbh 1
#9873 Em Microelectronic-Marin Sa 1
#9874 Eltex Elektrostatik Gesellschaft Mbh 1
#9875 Eltec Instruments 1
#9876 Elsner Engineering Works 1
#9877 Elopak Gmbh 1
#9878 Elop Electro-Optics Industries 1
#9879 Elmwood Sensors 1
#9880 Ellis 1
#9881 Elliott Brothers (London) Limited 1
#9882 Ellem Industria Farmaceutica S.R.L. 1
#9883 Elleance 1
#9884 Elkhart Products 1