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

Francois Friedmann

Chevron: 2 patents #1,772 of 4,788Top 40%
Schlumberger Technology: 1 patents #3,893 of 7,293Top 55%
Manhattan Beach, CA: #300 of 861 inventorsTop 35%
California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,623,871 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6268314 Foamable gel composition Trevor Hughes, Stephen Davies 2001-07-31
5042583 Steam foam drive method for enhanced oil recovery Adrian D'Souza 1991-08-27
5005644 Steam enhanced oil recovery method using branched alkyl aromatic sulfonates Robert G. Wall, Steven P. Current 1991-04-09