Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Top Companies 2017

Ranked by patent count

Showing 27,001–27,050 of 29,974 companies

Rank Company Patents
#27146 Durst Phototechnik Ag 1
#27147 Durham University 1
#27148 Duran Group Gmbh 1
#27149 Duraloc Limited 1
#27150 Duraforce Holdings 1
#27151 Dura-Line 1
#27152 Dupont Tate & Lyle Bio Products Co. 1
#27153 Dupaco 1
#27154 Duoject Medical Systems 1
#27155 Duo Lift Manufacturing Co. 1
#27156 Dunlop Manufacturing 1
#27157 Dundee Sustainable Technologies 1
#27158 Dundas Data Visualization 1
#27159 Dukshin Corp. 1
#27160 Duke Technologies 1
#27161 Duel Co. 1
#27162 Dubois Chemicals 1
#27163 Dublin City University 1
#27164 Du Pont-Mitsui Fluorochemicals Co. 1
#27165 Du-Bro Products 1
#27166 D.T. Systems 1
#27167 Dscg Solutions 1
#27168 Dsa Detection 1
#27169 Ds Smith Plastics 1
#27170 Ds Smith Packaging 1
#27171 Dryvit Systems 1
#27172 Drymax Technologies 1
#27173 Drylock Technologies Nv 1
#27174 Dryip 1
#27175 Dryfhout Enterprises 1
#27176 Dry Basement 1
#27177 Druva Technologies Pte. 1
#27178 Drsignal Biotechnology Co. 1
#27179 Drs Sustainment Systems 1
#27180 Drs Power Technology 1
#27181 Dürr Somac Gmbh 1
#27182 Drone Racing League 1
#27183 Dürkopp Fördertechnik Gmbh 1
#27184 Dritte Patentportfolio Beteiligungsgesellschaft Mbh & Co. Kg 1
#27185 Drillmec S.P.A. 1
#27186 Drilling Info 1
#27187 Dri-Eaz Products 1
#27188 Drebo Werkzeugfabrik Gmbh 1
#27189 Dreamgear 1
#27190 Dreambiz 1
#27191 Drc Computer 1
#27192 Dragontree Beheer B.V. 1
#27193 Draegerwerk Ag & Co. Kgaa 1
#27194 Dr. Willmar Schwabe Gmbh & Co. Kg 1
#27195 Dr Pepper/Seven Up 1