Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RP

Ralph Pierce — 2 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Foster, RI: #23 of 45 inventorsTop 55%
Rhode Island: #2,443 of 6,211 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Ralph Pierce has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 1982 and the most recent in January 1992. Ralph Pierce ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ralph Pierce in Foster, RI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5079405 Electrode oscillating mechanism for welding electrode holder 1992-01-07
4364638 Side view mirror pivoting assembly for a vehicle 1982-12-21