Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Krefeld, DE ranks #2,047 worldwide for total patents filed in 2021, with 65 patents from 41 inventors. Leading employers of inventors based in Krefeld, DE include Covestro Deutschland Ag, Koniniklijke Philips N.V., Henkel Ag & Co. Kgaa.

Showing 1–41 of 41 inventors

Rank Inventor Primary Company Patents
1 Heinz Pudleiner Covestro Deutschland Ag 4
1 Friedrich-Karl Bruder Covestro Deutschland Ag 4
1 Karsten Sommer Koniniklijke Philips N.V. 4
#4 Marc Weyhe Henkel Ag & Co. Kgaa 3
#4 Marc Giersemehl 3
#4 Joachim Thomsen Rockwell Automation 3
#7 Udo Guntermann Bayer Healthcare 2
#7 Rolf Wehrmann Bayer Healthcare 2
#7 Wieland Hovestadt Bayer Healthcare 2
#7 Nicolas Degiorgio Covestro Deutschland Ag 2
#7 Peter Wild 2
#7 Peter Capellen Bayer Healthcare 2
#7 Christian Gindorf Siemens Energy Global 2
#7 Marc Graaf Hanon Systems 2
#7 Tatiana Schymitzek Henkel Ag & Co. Kgaa 2
#16 Ludger Alofs Siemens Mobility Gmbh 1
#16 Klaus Montesi-Heimerl Siemens Mobility Austria Gmbh 1
#16 Heinz Henning Hoppmann 1
#16 Reinhard Viga Universität Duisburg-Essen 1
#16 Sergei Singer Saurer Technologies Gmbh & Co. Kg 1
#16 Stefan Silber Goldschmidt Holding Gmbh 1
#16 Detlev Joachimi Lanxess Deutschland Gmbh 1
#16 Helmut Treutler Siemens Mobility Gmbh 1
#16 Guido Becker Bayer Healthcare 1
#16 Arnd Rueter Siemens Mobility Gmbh 1
#16 Oliver WAGENER Polytex Sportbeläge Produktions-Gmbh 1
#16 Karlheinz Hildenbrand Bayer Healthcare 1
#16 Sebastian Minke Hach Lange Gmbh 1
#16 Nils Hellwig Henkel Ag & Co. Kgaa 1
#16 Bernd Gross 1
#16 Jörg Hofmann Bayer Healthcare 1
#16 Frank Pricken Getrag Ford Transmissions Gmbh 1
#16 Adrian Biadatz Siemens Aktiengesellschaft 1
#16 Sascha Kirchhoff Siemens Aktiengesellschaft 1
#16 Peter Plathen Covestro Deutschland Ag 1
#16 Jan Hendrik Holtz Hydro Aluminum Rolled Products Gmbh 1
#16 Michael Dischmann Henkel Ag & Co. Kgaa 1
#16 Gunther Stollwerck 3M 1
#16 Elke PIRON Elementis Specialties 1
#16 Peter Drinda Covestro Deutschland Ag 1
#16 Joerg WULFF Varian Medical Systems Particle Therapy 1