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

Robert S. Corby

SPShell Western E & P: 1 patents #10 of 35Top 30%
Bakersfield, CA: #364 of 840 inventorsTop 45%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,928,284 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4832127 Method and apparatus for producing viscous crudes David W. Thomas 1989-05-23