Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Marl, DE ranks #2,796 worldwide for total patents filed in 2016, with 41 patents from 25 inventors. Leading employers of inventors based in Marl, DE include Evonik Degussa Gmbh, Evonik Oxeno Gmbh, Illuminoss Medical.

Showing 1–25 of 25 inventors

Rank Inventor Primary Company Patents
1 Dieter Hess Evonik Degussa Gmbh 6
2 Hans-Gerd Lueken Evonik Oxeno Gmbh 3
2 Michael Woelk-Faehrmann Evonik Degussa Gmbh 3
2 Sylvia Anita Hermasch Evonik Degussa Gmbh 3
#5 Thomas Quandt Evonik Degussa Gmbh 2
#5 Benjamin Woldt Evonik Degussa Gmbh 2
#5 Juergen Kreutz Evonik Degussa Gmbh 2
#5 Thomas Gausepohl Illuminoss Medical 2
#5 Heiko Andrea Evonik Degussa Gmbh 2
#10 Uwe Ernst Evonik Industries Ag 1
#10 Reiner Bukohl Evonik Degussa Gmbh 1
#10 Randolf Kiefer Uhdenora S.P.A. 1
#10 Bernd Nowitzki Huels Aktiengesellschaft 1
#10 Michael Muschiol 1
#10 Andre Huber Alsthom-Atlantique 1
#10 Rainer Gutenschwager Delphi Automotive Systems Deutschland Gmbh 1
#10 Karsten Koppe Merck 1
#10 Franz-Felix Kuppinger Evonik Degussa Gmbh 1
#10 Hans-Georg Hennemann Evonik Degussa Gmbh 1
#10 Werner Overhoff Albonair Gmbh 1
#10 Bettina Ludwig Evonik Degussa Gmbh 1
#10 Dennis Fruehling Evonik Degussa Gmbh 1
#10 Alfred Kaizik Oxeno Olefinchemie Gmbh 1
#10 Sabine Hafkemeyer Evonik Degussa Gmbh 1
#10 Armin Matthias Rix Evonik Operations Gmbh 1