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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Karlstein, DE ranks #7,135 worldwide for total patents filed all time, with 328 patents from 65 inventors. Leading employers of inventors based in Karlstein, DE include Ferag Ag, Infineon Technologies Ag, Degussa Ag.

Showing 1–50 of 65 inventors

Rank Inventor Primary Company Patents
1 Erwin Muller Ferag Ag 52
2 Albert Auburger Infineon Technologies Ag 18
3 Gunther Michael Degussa Ag 16
#4 Peter Kress Evonik Degussa Gmbh 15
#4 Helmut Geppert Norma Germany Gmbh 15
#4 Werner Groll Degussa Ag 15
#7 Manfred Langer Cassella Aktiengesellschaft 14
#8 Guenther Michael Degussa Ag 10
#8 Gerrit von Breitenbach Norma Germany Gmbh 10
#10 Manfred Dankowski Degussa Ag 9
#10 Stefan Deusser Aap Biomaterials Gmbh 9
#12 Thomas Bogdahn Heraeus Quarzglas 8
#12 Eduard Rohner Rowenta Werke Gmbh 8
#14 Guido Fehling Sutter Medizintechnik Gmbh 7
#14 Hans Deusser Degussa Ag 7
#14 Margit Sander Heraeus Electro-Nite International N.V. 7
#14 Andreas Fuss Hoechst Gmbh 7
#14 Armando Walter Colombo Schneider Electric Automation Gmbh 7
#19 Heinz Herzog Heraeus Quarzglas 6
#19 Daniel Neupert Nukem 6
#21 Karl Ehinger 5
#21 Harald Herzog Evonik Degussa Gmbh 5
#21 Agata Lachowicz Fraunhofer 5
#21 Andreas Remmelmann John Deere 5
#21 Constantin Von Roden Trw Automotive Safety Systems Gmbh 5
#26 Gerhard Hessberger Leybold-Heraeus Gmbh 4
#27 Alfred Rick 3
#27 Siegfried Baumann Alkem Gmbh 3
#27 Rainer Lob Alkem Gmbh 3
#30 Axel Schnieders Takata 2
#30 Pavel Seserko Ald Vacuum Technologies Gmbh 2
#30 Juliane Theis Umicore Ag & Co. Kg 2
#30 Gerrit V. Breitenbach Norma Germany Gmbh 2
#30 Bernhard Herkert Leybold Gmbh 2
#30 Norbert Rucker Unknown 2
#30 Jochen Maehliss S.O.I. Tec Silicon On Insulator Technologies 2
#30 Frank Brehm Heraeus Noblelight Gmbh 2
#38 Marcel HERZOG Evonik Operations Gmbh 1
#38 Sebastian Wissel 1
#38 Joachim Fleckenstein Dometic Sweden Ab 1
#38 Markus Amberg Abb Technology Ag 1
#38 Ulrike Lindner 1
#38 Stefan Geppert Takata 1
#38 Thorsten Brandau 1
#38 Richard Himmelsbach 1
#38 Ulrich Christ Degussa Ag 1
#38 Siegfried Bertz Kraftwerk Union 1
#38 Langer Manfred Degussa Ag 1
#38 Ferdinand Minarik Fuchs Systemtechnik Gmbh 1
#38 Uwe Schweitzer Degussa Ag 1