Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Friedrich Zapf Hydraulik-Ring Gmbh 3
2 Robert Hessdoerfer Robert Bosch Gmbh 2
2 Egon Eisenbacher Mannesmann Rexroth Ag 2
#4 Klaus Reymann Robert Bosch Gmbh 1
#4 Liebhart Zaiser Robert Bosch Gmbh 1