Inventor · disambiguated record
Philip J. Closmann
Also filed as: CLOSMANN PHILIP J
9 granted patents·266 citations·filing 1975–1986
90Inventor score
Files withSHELL OIL CO9
Top patents by PatentIndex Score
9 records- 0183US4633948ASteam drive from fractured horizontal wellsSHELL OIL CO·Filed 1984·Granted Jan 6, 1987·64 cites·1 claims
- 0280US4669299AMeasuring relative permeability to steam in cores of water and oil containing reservoir formationsSHELL OIL CO·Filed 1986·Granted Jun 2, 1987·49 cites·3 claims
- 0379US3967853AProducing shale oil from a cavity-surrounded central wellSHELL OIL CO·Filed 1975·Granted Jul 6, 1976·49 cites·4 claims
- 0473US4514283AProcess for separating and converting heavy oil asphaltenes in a field locationSHELL OIL CO·Filed 1984·Granted Apr 30, 1985·26 cites·5 claims
- 0559US4026359AProducing shale oil by flowing hot aqueous fluid along vertically varied paths within leached oil shaleSHELL OIL CO·Filed 1976·Granted May 31, 1977·22 cites·6 claims
- 0649US3957306AExplosive-aided oil shale cavity formationSHELL OIL CO·Filed 1975·Granted May 18, 1976·15 cites·6 claims
- 0747US3945679ASubterranean oil shale pyrolysis with permeating and consolidating stepsSHELL OIL CO·Filed 1975·Granted Mar 23, 1976·15 cites·4 claims
- 0844US4712006ASteam quality measurement apparatus and methodSHELL OIL CO·Filed 1985·Granted Dec 8, 1987·17 cites·10 claims
- 0939US4480039AHeavy oil sample preparationSHELL OIL CO·Filed 1982·Granted Oct 30, 1984·9 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →