Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Roetgen, DE ranks #7,491 worldwide for total patents filed all time, with 304 patents from 74 inventors. Leading employers of inventors based in Roetgen, DE include Philips, Gebr. Becker Gmbh, Ford.

Showing 1–50 of 74 inventors

Rank Inventor Primary Company Patents
1 Georg Greuel Philips 22
2 Rainer Kiewitt Philips 19
2 Helmut Bechtel Philips 19
#4 Rudolf Bahnen Gebr. Becker Gmbh 15
#5 Volker Scheer Ford 12
#6 Dietmar Hermann Continental Gummi-Werke 11
#6 Arnold Gillner Fraunhofer 11
#8 Gerhard Spekowius Philips 9
#9 Ulrich Kynast U.S. Philips 8
#9 Karl A. Grosch Uniroyal 8
#9 Hartwig Schaper Heraeus Quarzglas 8
#9 Johannes Lindner Aixtron 8
#9 Andreas Peter Haub National Instruments 8
#9 Wilhelm Hermann U.S. Philips 8
#15 Franz-Rudolf Block Arbed S.A. 7
#15 Lambert Pasch Gates 7
#17 Detlef Raasch Philips 6
#17 Leopold Flohe Unknown 6
#17 Siegfried Pikhard 6
#20 Guenter Haase Gruenenthal Gmbh 5
#20 Hans-Dieter Scharf Bayer Healthcare 5
#20 Horst Horster U.S. Philips 5
#20 Petra Huppertz Philips 5
#20 Thomas Orten Saint-Gobain Glass France 5
#25 Heinz Myrenne Ernst Leitz Wetzlar, Gmbh 4
#25 Thomas Klein Coupa Software Incorporated 4
#25 Jandrey Maldaner Hegenscheidt-Mfd Gmbh 4
#28 Rolf Wilden U.S. Philips 3
#28 Georg Schlondorff G.M. Pfaff Aktiengesellschaft 3
#28 Alfred Hans Saint-Gobain Glass France 3
#28 Jan Bavendiek Zf Friedrichshafen Ag 3
#28 Wolfgang E. Schnitker U.S. Philips 3
#33 Norbert Klinkhammer Ecoclean Gmbh 2
#33 Philip RUSSELL Asml Netherlands B.V. 2
#33 Klaus-Peter Kamper Institut Für Mikrotechnik Mainz Gmbh 2
#33 Horst Theile Cognex 2
#33 Norbert Hansen Karl Storz Gmbh & Co. Kg 2
#33 Lutz Deininger Metallgesellschaft Ag 2
#33 Hubertus Schlerkmann Mannesmann Ag 2
#33 Markus Vor Dem Esche West Pharmaceutical Services 2
#33 Goetz Langer Schaeffler 2
#33 Carsten Kremer Ford 2
#33 Karl Metzger 2
#33 Oliver Van Porten Cerence Operating 2
#45 Leopold Flohe' Gruenenthal Gmbh 1
#45 Gerd Bardenberg 1
#45 Klaus-Peter Kaemper Karl Storz Gmbh & Co. Kg 1
#45 Regina E. Brigelius-Flohe' Gruenenthal Gmbh 1
#45 Emilio Dragas Kathrein Se 1
#45 Ernst Von Der Osten-Sacken 1