Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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James F. O'Conner — 2 Patents

AMAmeron: 2 patents #13 of 42Top 35%
Grass Valley, CA: #122 of 334 inventorsTop 40%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
James F. O'Conner has been granted 2 US patents while listed as an inventor at Ameron. All of these patents were granted in 1993. James F. O'Conner ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list James F. O'Conner in Grass Valley, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5240395 Mold stripping equipment for manufacture of prestressed concrete poles William A. Muller 1993-08-31 $539,000
5178887 Compound fluted mold for casting prestressed concrete lamp poles William A. Muller 1993-01-12 $560,000