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

Ranked by patent count

Showing 12,051–12,100 of 13,859 companies

Rank Company Patents
#12144 Equalizer Industries 1
#12145 Epworth Manufacturing Co. 1
#12146 Epoxy Technology 1
#12147 Epi Environmental Products 1
#12148 Epflex Feinwerktechnik Gmbh 1
#12149 Eparco 1
#12150 Enzyme Bio Systems 1
#12151 Enya Systems Limited 1
#12152 Enviroquest 1
#12153 Environmental Projects 1
#12154 Envirex 1
#12155 Entropin 1
#12156 Entropic Systems 1
#12157 Entremed 1
#12158 Enthone-Omi 1
#12159 Enterra Patco Oilfield Products Limited 1
#12160 Enterprise Holdings 1
#12161 Enterprise Generale De Chauffage Industriel Pillard 1
#12162 Ensys 1
#12163 Enso-Gutzeit Oy 1
#12164 Enpar Technologies 1
#12165 Enkotec A/S 1
#12166 Enichem Elastomers 1
#12167 Enichem Elastomeres France S.A. 1
#12168 Enichem Augusta Industriale S.R.L. 1
#12169 English Electric Valve Co. 1
#12170 England/Corsair 1
#12171 Engineering Resources Group 1
#12172 Engineering Research Associates 1
#12173 Engel Maschinenbau Gesellschaft M.B.H. 1
#12174 Enertech Environmental 1
#12175 Energy Saving Products & Sales 1
#12176 Energy Absorption Systems 1
#12177 Energetics 1
#12178 Enerfex 1
#12179 Eneco 1
#12180 Endotronics 1
#12181 Endotex Interventional Systems 1
#12182 Endosonics 1
#12183 Endoscopic Concepts 1
#12184 Endocardial Solutions 1
#12185 Endo Technic 1
#12186 Encomech Engineering Services 1
#12187 Enclosure Technologies 1
#12188 Encelle 1
#12189 Emson 1
#12190 Ems Technologies 1
#12191 Empire Level Mfg. 1
#12192 Empire Comfort Systems 1
#12193 Emka Beschlagteile Gmbh & Co. Kg 1