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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hasselroth, DE ranks #10,376 worldwide for total patents filed all time, with 190 patents from 45 inventors. Leading employers of inventors based in Hasselroth, DE include Merck, Evonik Degussa Gmbh, Leybold Gmbh.

Showing 1–45 of 45 inventors

Rank Inventor Primary Company Patents
1 Barbara Hornung Merck 43
2 Harald Jakob Evonik Degussa Gmbh 40
3 Friedrich-Werner Thomas Leybold Gmbh 19
#4 Matthias Neumuller Degussa Ag 7
#4 Thomas Loose Heraeus Sensor Technology Gmbh 7
#6 Silvio Fuchs Branson Ultraschall Niederlassung Der Emerson Techologies Gmbh & Co. Ohg 5
#7 Hans U. Suess Degussa Ag 4
#7 Jennifer Mayer The Boeing 4
#7 Dieter Ruchatz Ticona 4
#7 Walter Gluck Kendro Laboratory Products 4
#11 Friedrich Lach W. C. Heraeus Gmbh 3
#11 Björn LAZAR Evonik Operations Gmbh 3
#11 Gernot Jackel Degussa Ag 3
#11 Norbert Magedanz Metallgesellschaft Ag 3
#11 Thorsten Schleucher I.G. Bauerhin Gmbh 3
#11 Uwe Schmeier Evonik Degussa Gmbh 3
#17 Johannes Kunz 2
#17 Waldemar Doering Vacuumschmelze Gmbh & Co. Kg 2
#17 Erik Peldszus Degussa Ag 2
#17 Steffen Simon Mato Maschinen-Und Metallwarenfabrik Curt Matthaei Gmbh & Co. Kg 2
#17 Ino Taitl W. C. Heraeus Gmbh 2
#17 Sonja Jelinski Kendro Laboratory Products 2
#23 Rudi Weingaertner Bbc Aktiengesellschaft, Brown, Boveri & Cie 1
#23 Egon Maier W.C. Heraeus Gmbh & Co. Kg 1
#23 Rainer Jüttner W.C. Heraeus Gmbh & Co. Kg 1
#23 Harold Jakob Degussa Ag 1
#23 Friedel Schultheis Roehm Gmbh & Co. Kg 1
#23 Mattias Neumueller Degussa Ag 1
#23 Waldemar Doring Vacuumschmelze Gmbh & Co. Kg 1
#23 Mechthild Mueller Dmc 1
#23 Rüdiger Peldszus Degussa Ag 1
#23 Egon Hessler Kendro Laboratory Products 1
#23 Nico Lochner Heraeus Deutschland 1
#23 Henning Reußwig Sumitomo Riko Company Limited 1
#23 Matthias Waelzlein Ald Vacuum Technologies Gmbh 1
#23 Guido Scharf Evonik Degussa Gmbh 1
#23 Waldemar SCHRÖDER Nukem 1
#23 Karlheinz Lofink Heraeus Elektrochemie Gmbh 1
#23 Arno Jaenes Degussa Ag 1
#23 Rudi Weingartner Abb Patent Gmbh 1
#23 Heinrich Goy Heraeus Quarzglas 1
#23 Josef Pilger Sp Reifenwerke Gmbh 1
#23 Ulrike Duderstadt Degussa Ag 1
#23 Hellmut Trautwein Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler 1
#23 Gustav Ost W. C. Heraeus Gmbh 1