Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Lorsch, DE ranks #4,413 worldwide for total patents filed all time, with 627 patents from 127 inventors. Leading employers of inventors based in Lorsch, DE include Merck, Dentsply Sirona, Roche Diagnostics Operations.

Showing 1–50 of 127 inventors

Rank Inventor Primary Company Patents
1 Frank Stieber Merck 49
2 Ulrich Schulze-Ganzlin Dentsply Sirona 22
3 Juergen Spinke Roche Diagnostics Operations 21
3 Guenter Feldmeier Tyco Electronics Amp Gmbh 21
#5 Anton Weis Koenig & Bauer Ag 19
#5 Dieter Schaffrath Heidelberg Druckmaschinen 19
#7 Gregor K. Frey Sap Ag 18
#8 Heino Eikmeier BOE 16
#8 Rudolf Maul Ciba-Geigy 16
#10 Hermann Landgraf Siemens Aktiengesellschaft 15
#10 Ralf Boehling Basf Se 15
#10 Guenther Schmelzeisen-Redeker Roche Diagnostics Operations 15
#13 Erhard Henkes Basf Se 14
#13 Georg Degen Basf Se 14
#15 Patrick Lorenz Ab Enzymes Gmbh 12
#16 Gunter Feldmeier Whitaker & 11
#17 Hans-Leo Ross Robert Bosch Gmbh 10
#17 Hans-Erich Wilk BOE 10
#19 Bastian Marten Noller Basf Se 9
#19 Otto Kretzschmar Novartis Ag 9
#21 Matthias Rein Dentsply Sirona 8
#21 Karlheinz Seitz Continental Teves Ag & Co. Ohg 8
#21 Reinhard Straihammer Siemens Aktiengesellschaft 8
#21 Corinne Mohr Wella International Operations Switzerland Sarl 8
#25 Christian Springob Wella Gmbh 7
#25 Claudia Rosenbaum Basf Se 7
#25 Roland Denefleh Sew-Eurodrive Gmbh & Co. Kg 7
#25 Michael Dobert Siemens Aktiengesellschaft 7
#29 Marko Friedrich Basf Se 6
#29 Michael Doebert Siemens Aktiengesellschaft 6
#29 Jurgen Spinke Roche Diagnostics Operations 6
#29 Klaus Niewiadomski Sirona Dental Systems Gmbh 6
#29 Gerhard Schumacher Basf Se 6
#29 Richard Forell Tyco Electronics Amp Gmbh 6
#29 Werner Finke Roche Diagnostics Operations 6
#29 Kerstin Heinen Basf Se 6
#37 Robert Keilmann Ksl Keilmann Sondermaschinenbau Gmbh 5
#37 Dieter Thoma Dentsply Sirona 5
#37 Jan Ole Mueller The Procter & Gamble 5
#37 Roland Spahl Basf Se 5
#37 Stefan Koenig Medibeacon 5
#37 Evgenij Derzapf Dentsply Sirona 5
#37 Stefan Loeffelholz Tyco Electronics Amp Gmbh 5
#37 Christoph Kernke Sap Ag 5
#37 Volker Schleep Evonik Röhm Gmbh 5
#46 Thomas Haeberle Pilz Gmbh & Co. Kg 4
#46 Pia Kopf Adc Gmbh 4
#46 Dirk Weyrauch Te Connectivity Germany Gmbh 4
#46 Roland Ofenloch BOE 4
#46 Kristine Hartnagel Basf Se 4