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

J. Paul Echtler

COConoco: 4 patents #81 of 638Top 15%
Pittsburgh, PA: #1,996 of 7,570 inventorsTop 30%
Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,308,450 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4440543 Method for stabilizing a slurry of finely divided particulate solids in a liquid 1984-04-03
4415341 Gas, liquid contactor 1983-11-15
4283954 High temperature pressure gauge Roy O. Scandrol 1981-08-18
4246237 Reactor apparatus 1981-01-20