Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Bad Krozingen, DE ranks #7,429 worldwide for total patents filed all time, with 308 patents from 62 inventors. Leading employers of inventors based in Bad Krozingen, DE include Knf Neuberger Gmbh, Bayer Technology Services Gmbh, Bayer Healthcare.

Showing 1–50 of 62 inventors

Rank Inventor Primary Company Patents
1 Erich Becker Knf Neuberger Gmbh 34
2 Gert Ludwig Duveneck Bayer Technology Services Gmbh 21
3 Dietmar Flubacher Bayer Healthcare 20
#4 Frans Setiabudi Ciba-Geigy 19
#5 Herbert Klier Ciba Specialty Chemicals 16
#6 Heinz Riedlinger Knf Neuberger Gmbh 11
#6 Markus Winterhalter Huettinger Elektronik Gmbh + Co. Kg 11
#8 Carl-Lorenz Mertesdorf Olin Microelectronic Chemicals 10
#8 Ralf Friedrich Sick Ag 10
#10 Georg Dorner Liebherr-Hausgeräte Ochsenhausen Gmbh 8
#10 Jorg Hahniche Endress+Hauser Process Solutions Ag 8
#10 Alexander Humbertjean Schott Pharma Ag & Co. Kgaa 8
#10 Erhard Eble Ika—Werke Gmbh & Co. Kg 8
#14 Hubert Pinhack Ika—Werke Gmbh & Co. Kg 7
#15 Seoung-Eun Kim Neoperl Gmbh 6
#15 Matthias Deck Pfizer 6
#15 Wolfgang Marterer Novartis Ag 6
#15 Heinz Holzwarth Olin Microelectronic Chemicals 6
#19 Markus Rogalla Micron 5
#19 Alexander Zahiri Lonza 5
#19 Gabriele Weitz-Schmidt Novartis Ag 5
#19 Andreas Zeller Ika—Werke Gmbh & Co. Kg 5
#19 Gerd Pluschke Eth Zurich 5
#19 Goesta Rimmler Hoffmann-La Roche 5
#25 Frank Blohbaum Erwin Sick Gmbh Optik-Elektronik 4
#26 Patrick Busson Hoffmann-La Roche 3
#26 Alexander BOHLI Fondazione Bruno Kessler 3
#26 Wolfgang Lotz Daimlerchrysler Ag 3
#26 Walter Hanser Buck Chemische-Technische Werke Gmbh & 3
#26 Michael Fletschinger Ciba Specialty Chemicals 3
#31 Martin Windisch 2
#31 Jörg Gassenschmidt Ika—Werke Gmbh & Co. Kg 2
#31 Jorg F. Kalthoff Fraunhofer 2
#31 Hilko Weerda Dragerwerk Aktiegesellschaft 2
#31 Arno Martin Friedlein Dsm Ip Assets B.V. 2
#31 Peter Kraass Ratiopharm Gmbh 2
#31 Rainer Alex Hoffmann-La Roche 2
#31 Markus Kiefer Phoenix Contact 2
#31 Iris Gentzsch Pintsch Bubenzer Gmbh 2
#31 David Devran Culha Pro Med Instruments Gmbh 2
#31 Peter Kraahs Losan Pharma Gmbh 2
#31 Lutz Rodehorst Fluke 2
#43 Alfred Pfemeter 1
#43 Gabriele Weitz Schmidt 1
#43 Rainer Seifert Anton Hummel Verwaltungs Gmbh 1
#43 Stefan Wienberg 1
#43 Andreas Löffler Karl Storz Gmbh & Co. Kg 1
#43 Claudia Sayer Novartis Ag 1
#43 Gerhard Hauk Sihi Gmbh & Co. Kg 1
#43 Max Jung Fraunhofer 1