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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Essen, DE ranks #802 worldwide for total patents filed in 2017, with 168 patents from 118 inventors. Leading employers of inventors based in Essen, DE include Bayer Pharma, Degussa Ag, Hugo Vogelsang Maschinenbau Gmbh.

Showing 1–50 of 118 inventors

Rank Inventor Primary Company Patents
1 Anja Buchmüller Bayer Pharma 5
2 Mike Farwick Degussa Ag 4
2 Paul Krampe Hugo Vogelsang Maschinenbau Gmbh 4
#4 Stephan Buehne Oracle 3
#4 Bernd Gerdes Huf Huelsbeck & Fuerst GmbH & Co. KG 3
#4 Martina Delbeck Bayer Intellectual Property Gmbh 3
#4 Frauke Henning Evonik Operations Gmbh 3
#4 Ursula Westerholt Evonik Degussa Gmbh 3
#4 Ludger Graute Kiekert Ag 3
#4 Sascha Herrwerth Evonik Goldschmidt Gmbh 3
#11 Wilfried Knott Evonik Degussa Gmbh 2
#11 Christian Hartung Evonik Degussa Gmbh 2
#11 Jens Deerberg Carl Freudenberg Kg 2
#11 Michael Keup Evonik Degussa Gmbh 2
#11 Mario Brockschmidt Siemens Aktiengesellschaft 2
#11 Michael Deilmann Krohne Messtechnik Gmbh 2
#11 Jessica Leyers Evonik Degussa Gmbh 2
#11 Michael Klostermann Evonik Operations Gmbh 2
#11 Peter TOROS Thyssenkrupp Industrial Solutions Ag 2
#11 Carsten Fuchs Kiekert Ag 2
#11 Thorsten Kreickmann Oxea Gmbh 2
#11 Joachim Barthel Huf Huelsbeck & Fuerst GmbH & Co. KG 2
#11 Peter Schmock Element Six Limited 2
#11 Horst Dudzik Evonik Operations Gmbh 2
#11 Matthias Lobert Evonik Degussa Gmbh 2
#11 Norman Nowotny Oxea Gmbh 2
#11 Karl Lang University Health Network 2
#11 Rafael Warsitz Bayer Cropscience 2
#11 Jochen Niemeyer Evonik Degussa Gmbh 2
#11 Joachim Venzmer Evonik Degussa Gmbh 2
#11 Friedhelm Pohlmann Siemens Aktiengesellschaft 2
#11 Jens KUBITSCHKE Oxea Gmbh 2
#11 Christian Mund Evonik Goldschmidt Gmbh 2
#11 Yvonne Schiemann Evonik Degussa Gmbh 2
#11 Günther Romhart Continental Teves Ag & Co. Ohg 2
#11 Herbert Himmel Bayer Pharma 2
#37 Roland Hubel Evonik Degussa Gmbh 1
#37 Wolfgang Rathmann Eberhard Karls Universitaet Tuebingen Medizinische Fakultaet 1
#37 Anja Zockoll Airbus Operations Limited 1
#37 Olga Fiedel Evonik Degussa Gmbh 1
#37 Michael Roggendorf Rheinische Friedrich-Wilhems-Universitaet Bonn 1
#37 Friedhelm Siepmann Henkel Kommanditgesellschaft Auf Aktien 1
#37 Nina Brunner Aicuris Gmbh & Co. Kg 1
#37 Alexander Bach BOE 1
#37 Juergen Meyer Evonik Degussa Gmbh 1
#37 Dorothea Müller Kiekert Ag 1
#37 Eva Emmrich-Smolczyk Evonik Degussa Gmbh 1
#37 Martin Adamczyk C. & E. Fein Gmbh 1
#37 Remigiusz Viktor Boguszewicz Infineon Technologies Austria Ag 1
#37 Dirk Burdinski 1