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

Charles E. Sanborn

Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
Walnut Creek, CA: #806 of 1,300 inventorsTop 65%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,062,980 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4423256 Recovery of secondary alkanols Paul V. Shaw, Larry Wayne Payne, Eugene F. Lutz 1983-12-27