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

Thomas L. Hraban

COConoco: 1 patents #310 of 638Top 50%
Ponca City, OK: #283 of 444 inventorsTop 65%
Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,719,585 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5645711 Process for upgrading the flash zone gas oil stream from a delayed coker Paul E. Seyler, Todd W. Dixon 1997-07-08