Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Freudenberg, DE ranks #6,332 worldwide for total patents filed in 2017, with 15 patents from 11 inventors. Leading employers of inventors based in Freudenberg, DE include Siemens Aktiengesellschaft, Limo Patentverwaltung Gmbh & Co. Kg, Evonik Degussa Gmbh.

Showing 1–11 of 11 inventors

Rank Inventor Primary Company Patents
1 Stefan Widmann Siemens Aktiengesellschaft 3
1 Vitalij Lissotschenko Limo Patentverwaltung Gmbh & Co. Kg 3
3 Hans-Juergen Kocks Evonik Degussa Gmbh 1
3 Wolfram Nilles Saint-Gobain Glass France 1
3 Walter Schröder Siemag Transplan Gmbh 1
3 Udo Hoerning Wika Alexander Wiegand Se & Co. Kg 1
3 Michael Althaus 1
3 Monika Hamers-Schneider AT&T 1
3 Alfredo Carlos Dupetit 1
3 Andreas Piehlk Ibs Filtran Kunststoff-/Metallerzeugnisse Gmbh 1
3 Andreas Eichenauer 1