Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hammersbach, DE ranks #14,395 worldwide for total patents filed all time, with 113 patents from 36 inventors. Leading employers of inventors based in Hammersbach, DE include Apple, Degussa Ag, Evonik Röhm Gmbh.

Showing 1–36 of 36 inventors

Rank Inventor Primary Company Patents
1 Rudolf Beckmann Apple 12
2 Hubert Wolf Degussa Ag 10
3 Christine Troemer Evonik Röhm Gmbh 8
#4 Marion Lotze Degussa Ag 7
#4 Georg Werner Reppel Vacuumschmelze Gmbh & Co. Kg 7
#6 Martin Hohenstatt Degussa Ag 6
#6 Kurt Rau Putzmeister 6
#8 Frank Kellner Ondal Holding Gmbh 5
#8 Rolf Gerhardt Heraeus Quarzglas 5
#10 Bernd Stenger W.C. Heraeus Gmbh & Co. Kg 4
#10 Reiner Hinterschuster Leybold Gmbh 4
#12 Norbert Kriebitzsch Degussa Ag 3
#12 Bruno Jacksteit Norma Germany Gmbh 3
#12 Hans-Ulrich Bonewitz Heraeus Quarzschmelze Gmbh 3
#12 Volker Gluecklich Bruker Eas Gmbh 3
#16 Lothar Galler 2
#16 Artur Kerbs Sumitomo Riko Company Limited 2
#16 Armin Wunderlich Degussa Ag 2
#16 Jorgen S. Rasmussen Rasmussen Gmbh 2
#16 Horst Panzer 2
#16 Detlef Eller Applied Films Gmbh & 2
#22 Geze Ambrus W. C. Heraeus Gmbh 1
#22 Stefan Graichen 1
#22 Pavel Soukup Metallgesellschaft Ag 1
#22 Werner Pflueger Leybold Gmbh 1
#22 Ralf Dornhaus Battelle Institute E.V. 1
#22 Friedhelm Habegger Heraeus Quarzschmelze Gmbh 1
#22 Roland Moeller Asta Medica 1
#22 Peter Greger 1
#22 Elke Weiss Rolls-Royce Deutschland 1
#22 Karlheinz Krauch Norma Germany Gmbh 1
#22 Uwe Herchenröder Continental Teves Ag & Co. Ohg 1
#22 Christoph Hohenberger Thyssenkrupp Uhde Chlorine Engineers (Italia) S.R.L. 1
#22 Ulrich Hensgen Leybold-Heraeus Gmbh 1
#22 Luigi Caprarella Vacuumschmelze Gmbh & Co. Kg 1
#22 Wilfried Wendorf Alkem Gmbh 1