Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Home › Metpro › Ray R. Petersen
RP

Ray R. Petersen

MEMetpro: 1 patents #2 of 7Top 30%
Huntingdon Valley, PA: #124 of 195 inventorsTop 65%
Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,079,928 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4363603 Pump impeller assembly with anti-rotation device — 1982-12-14

Nearby-Ranked Inventors

Erchard A. Fechner1
Gottfried Marienfeld1
Arwood D. Stickney1
Boleslaw Rozwadowski1
Kenneth Mackall, Jr.1
Raymond L. Kilgore1
Erich Eichele1
Jan A. Mulders1
Augustin Roth1