Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Langenfeld, DE ranks #1,215 worldwide for total patents filed in 2016, with 105 patents from 52 inventors. Leading employers of inventors based in Langenfeld, DE include Bayer Healthcare, Bayer Cropscience, Ford.

Showing 1–50 of 52 inventors

Rank Inventor Primary Company Patents
1 Joachim Kluth Bayer Healthcare 8
1 Heike Hungenberg Bayer Cropscience 8
3 Klemens Grieser Ford 7
#4 Andreas Bulan Bayer Materialscience Ag 6
#5 Olga Malsam Bayer Cropscience 5
#6 Elke Hellwege Bayer Cropscience 4
#7 Anne Suty-Heinze Bayer Cropscience 3
#7 Mazen Es-Sayed Bayer Healthcare 3
#7 Ole Peters Basf Agro Trademarks Gmbh 3
#7 Alexander Sudau Bayer Healthcare 3
#11 Carl Friedrich Nising Bayer Intellectual Property Gmbh 2
#11 Hans-Georg Werner 2
#11 Hartmut Schirok Bayer Intellectual Property Gmbh 2
#11 Herbert Börger Firma Carl Freudenberg 2
#11 Björn Dingwerth Atotech Deutschland 2
#11 Ralph Butter-Jentsch Henkel Ag & Co. Kgaa 2
#11 Stephan Reiter Covestro Deutschland Ag 2
#11 Ingo Steinfeld Dr. Hahn Gmbh & Co. Kg 2
#11 Ingo Wetcholowsky Bayer Healthcare 2
#11 Michael Maue Bayer Cropscience 2
#11 Bernd Schumacher Ford 2
#11 Stefan Dutzmann Bayer Healthcare 2
#11 Haruko Sawada Bayer Cropscience 2
#24 Thomas Rothmann Qiagen Gmbh 1
#24 Volker Gutsmann Bayer Cropscience 1
#24 Mechtild Grunwald Henkel Ag & Co. Kgaa 1
#24 Ralf Himmelreich Qiagen Gmbh 1
#24 Alexander Sudau Bayer Intellectual Property Gmbh 1
#24 Roland Worsley Aktiebolaget Skf 1
#24 Michael Klimpel Lanxess Deutschland Gmbh 1
#24 Armin Hülfenhaus Siemens Aktiengesellschaft 1
#24 Roland Andree Bayer Healthcare 1
#24 Andreas Niehues Central Motor Wheel Co. 1
#24 Stefan Herrmann Bayer Cropscience 1
#24 Stephanie Vogel Covestro Deutschland Ag 1
#24 Martin Wunderlich Hercules 1
#24 Ulrich Mengs Madaus Gmbh 1
#24 Wolfgang Irmen W. Schlafhorst Ag & 1
#24 Stefan Kuepper Cognis Deutschland Gmbh 1
#24 Amos Mattes Bayer Intellectual Property Gmbh 1
#24 Kerstin Ehlers Sca Hygiene Products Ab 1
#24 Kristian Kather Bayer Cropscience 1
#24 Volker Höfermann Seco Tools Ab 1
#24 Luitgard Nagel-Steger Forschungszentrum Jülich Gmbh 1
#24 Sebastian Bresinski Federal-Mogul Burscheid Gmbh 1
#24 Frank Zwanzger Schaeffler 1
#24 Reiner Rudolf Bayer Materialscience Ag 1
#24 Ulrich Lanver Chemex 1
#24 Lutz Assmann Bayer Healthcare 1
#24 Martin Gegner Schaeffler 1