Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Merchweiler, DE ranks #30,645 worldwide for total patents filed all time, with 31 patents from 15 inventors. Leading employers of inventors based in Merchweiler, DE include Canon, Duphar International Research B.V., Firma Carl Still.

Showing 1–15 of 15 inventors

Rank Inventor Primary Company Patents
1 Pamela Kalmes Canon 9
2 Rudolf Krumbholz Duphar International Research B.V. 7
3 Hugo Schmauch Firma Carl Still 2
3 Frank Kinzer 2
#5 Herbert Mohr Hydac Filtertechnik Gmbh 1
#5 Christoph Tomczok Nemak, S.A.B. De C.V. 1
#5 Dominic Doering Thyssenkrupp Ag 1
#5 Hardy Dörr Thyssenkrupp System Engineering Gmbh 1
#5 Steve Guthoerl John Deere 1
#5 Markus Schmitt Purem Gmbh 1
#5 Tobias Dörr Leibniz-Institut Für Neue Materialien Gemeinnützige Gmbh 1
#5 Ralf SCHEIDT Applied Materials 1
#5 Heinz Hungerbach 1
#5 Michael Lupp Software Gmbh 1
#5 Florian Kleer Robert Bosch Gmbh 1