Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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John Cardenas Parraz — 2 Patents

ATAT&T: 1 patents #10,626 of 18,772Top 60%
EEEmerson Electric: 1 patents #714 of 1,374Top 55%
Ericsson: 1 patents #444 of 887Top 55%
San Ramon, CA: #1,189 of 2,140 inventorsTop 60%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,231,554 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6305406 Spray hood protector in a fluid-based cooling system Lennart Stahl, John F. Wallace, Montford Henry Clark, David E. Winn 2001-10-23
5975114 System, method and apparatus for purging fluid Lennart Stahl, John F. Wallace, Montford Henry Clark, David E. Winn 1999-11-02