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

Hans-Jurgen Meyer

FKF. Kurt Retsch Gmbh & Co. Kg: 1 patents #1 of 1Top 100%
PHPhotometrics: 1 patents #1 of 1Top 100%
Ratingen, AZ: #1 of 1 inventorsTop 100%
Overall (1997): #39,178 of 185,788Top 25%
2 Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5662282 Centrifugal mill with exchangeable cassette 1997-09-02
5594520 Low supply voltage shutter driver 1997-01-14