Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Weinheim, DE ranks #1,080 worldwide for total patents filed all time, with 3,147 patents from 558 inventors. Leading employers of inventors based in Weinheim, DE include Basf Se, Merck, Thyssenkrupp Presta.

Showing 1–50 of 558 inventors

Rank Inventor Primary Company Patents
1 Gerhard Hamprecht Basf Se 198
2 Elvira Montenegro Merck 90
3 Wolfgang Harder Basf Se 71
#4 Christian Lutz Thyssenkrupp Presta 70
#5 Matthias Lehr Globalfoundries 68
#6 Helmut Holzer Atomic Austria Gmbh 51
#7 Gerd Zimmermann BOE 42
#8 Ekkehard Jahns Basf Se 40
#9 Walter Heckmann Basf Se 38
#10 Peter Hachmann Heidelberg Druckmaschinen 36
#11 Oliver Molt Basf Se 35
#11 Klaus Strein BOE 35
#11 Stefan Frenzel Basf Se 35
#14 Siegbert Brand Basf Se 33
#14 Christoph Sigwart Basf Se 33
#16 Uwe Dingert Carl Freudenberg Kg 32
#17 Markus Beier Hummingbird Diagnostics Gmbh 30
#18 Anja Simon Basf Se 29
#18 Wolfgang von der Saal BOE 29
#18 Soeren Balko Sap Ag 29
#18 Olaf Zeckai Sanofi-Aventis 29
#22 Franz-Josef Weiss Basf Se 27
#23 Ulrich Porsch Roche Diabetes Care 23
#24 Kirsten Markgraf Celanese Sales Germany Gmbh 22
#24 Norbert Thunker Heidelberg Druckmaschinen 22
#24 Peter Schreyer Basf Se 22
#27 Harald Schmitz Basell Polyolefine Gmbh 21
#27 Otto-Henning Wilhelms BOE 21
#29 Anton Hesse Basf Se 20
#29 Gerda von Philipsborn Basf Se 20
#31 Oliver Schuster Lummus Novolen Technology Gmbh 18
#31 Klaus Barthold Basf Se 18
#31 Steffen Noehte Tesa Scribos Gmbh 18
#31 Klaus-Dieter Hungenberg Basf Se 18
#31 Franz-Josef Rohr Brown, Boveri & Cie Ag 18
#31 Rainer Buerstinghaus Basf Se 18
#37 Volker Braig Basf Se 17
#37 Dieter Hasenauer Brown, Boveri & Cie Ag 17
#37 Katharina Stark Abb Schweiz Ag 17
#37 Claudia Wood Basf Se 17
#41 Christoph Adami Basf Se 16
#41 Martin Votsmeier Umicore Ag & Co. Kg 16
#41 Heiner Pitz Heidelberg Druckmaschinen 16
#41 Michael Kalbe Basf Se 16
#41 Klaus Kurr Firma Carl Freudenberg 16
#46 Reinhard Doetzer Basf Se 15
#47 Kai Tiesberger Merz Pharma Gmbh & Co. Kgaa 14
#47 Andreas Tonder Sap Se 14
#47 Carl-Uwe Tintelnot Firma Carl Freudenberg 14
#47 Szilard Csihony Basf Se 14