Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 Christoph Nover Schaefer Kalk Gmbh & Co. Kg 2
1 Stephan Kohlstruk Evonik Degussa Gmbh 2
3 Bernhard Rath Deutsche Wurlitzer Gmbh 1
3 Andrew Duda E.I. Du Pont De Nemours And 1
3 Otto Gerlich Phenolchemie Gmbh & Co. Kg 1
3 Heinz Holter Unknown 1