Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
GC

Gerhard Conzelmann

Robert Bosch Gmbh: 17 patents #709 of 19,740Top 4%
Basf Se: 5 patents #3,244 of 13,826Top 25%
BFBasf Farben Fasern: 2 patents #15 of 60Top 25%
RGRieter Deutschland Gmbh: 1 patents #3 of 12Top 25%
RWRieter Machine Works: 1 patents #104 of 201Top 55%
Echterdingen, DE: #17 of 558 inventorsTop 4%
Overall (All Time): #156,435 of 4,157,543Top 4%
26 Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
4233556 Voltage regulator, particularly for automotive use Karl Nagel 1980-11-11