Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Hartmut Grathoff Man Gutehoffnungshutte 2
2 Friedherz Becker Riedhammer Gmbh Und Co. Kg 1
2 Eduard Meisinger Man Gutehoffnungshutte 1