Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Zwingenberg, DE ranks #2,663 worldwide for total patents filed all time, with 1,160 patents from 212 inventors. Leading employers of inventors based in Zwingenberg, DE include Ciba-Geigy, Roche Diagnostics Operations, Merck.

Showing 1–50 of 212 inventors

Rank Inventor Primary Company Patents
1 Wolfgang Wehner Ciba-Geigy 62
1 Joachim Hoenes Roche Diagnostics Operations 62
3 Werner Mederski Merck 61
#4 Joachim Knebel Evonik Röhm Gmbh 46
#5 Achim Goetz Merck 37
#6 Wolfgang Aehle Danisco Us 29
#7 Roger Klimesch Basf Se 28
#8 Eduard Ruff Zf Friedrichshafen Ag 27
#9 Michael Grüner Eckart Gmbh 21
#9 Manfred Schmuck Stryker European Holdings 21
#11 Gernot Koehler Basf Se 19
#11 Uwe Schaaf The Gillette Company 19
#13 Reinhold Schmitt Siemens Aktiengesellschaft 17
#14 Michael Muller Rohm Gmbh Chemische Fabrik 16
#14 Reiner Paul Bayer Healthcare 16
#16 Holger Vogt Fraunhofer 15
#16 Karl Greiner Stryker European Holdings 15
#16 Rainer Gehrmann U.S. Philips 15
#16 Axel Waizenegger Karl Leibinger Medizintechnik Gmbh & Co. Kg 15
#20 Fan Dai Abb Schweiz Ag 14
#20 Jean-Christophe Simon L'Oreal 14
#20 Martin Schraub Merck 14
#23 Christian Brunhuber Siemens Aktiengesellschaft 13
#23 Jens Wiesecke Basell Polyolefine Gmbh 13
#23 Mathias Osswald Merck 13
#26 Lars Van Der Veen BOE 12
#26 Hermann Stolz Mato Maschinen-Und Metallwarenfabrik Curt Matthaei Gmbh & Co. Kg 12
#26 Peter Sattler Synventive Molding Solutions 12
#26 Reinhardt Grade Ciba-Geigy 12
#26 Herbert Wallner Dr. Fritz Faulhaber Gmbh & Co. Kg 12
#31 Karl-Heinz Krieg Daimler-Benz Ag 11
#31 Joachim Maus Meda Pharma Gmbh & Co. Kg 11
#33 Thorben Schuetz Evonik Röhm Gmbh 10
#33 Karl-Heinz Haunschild Karl Storz Gmbh & Co. Kg 10
#35 Sylvia Huber Basf Se 9
#35 Joachim Röder 9
#37 Joachim Roeder 8
#37 Torsten Born Sap Se 8
#37 Achim Götz Merck 8
#40 Siegfried Hoefig Karl Storz Gmbh & Co. Kg 7
#40 Klaus Kaffenberger Kpss-Kao Professional Salon Services Gmbh 7
#40 Esther Gabor Basf Se 7
#40 Tobias Graening Paccar 7
#40 Kjell Lundin Hoerbiger Antriebstechnik Holding Gmbh 7
#40 Reiner Essinger General Motors 7
#40 Martin Stork Hoechst Gmbh 7
#40 Dirk Raschke Zf Friedrichshafen Ag 7
#48 Trupti Dave J.M. Huber 6
#48 Winfried Ochs Firma Carl Freudenberg 6
#48 Jorn Lutzeler Bts Broadcast Television Systems Gmbh 6