Inventor · disambiguated record
John H. Duir
Also filed as: DUIR JOHN H
5 granted patents·81 citations·filing 1977–1984
79Inventor score
Files withUNION OIL CO5
Top patents by PatentIndex Score
5 records- 0188US4075084AManufacture of low-sulfur needle cokeUNION OIL CO·Filed 1977·Granted Feb 21, 1978·56 cites·18 claims
- 0251US4446001ARecovery of retorted shale from an oil shale retorting processUNION OIL CO·Filed 1982·Granted May 1, 1984·10 cites·42 claims
- 0344US4435271AOil shale retorting process with a moving bed pressure letdown stageUNION OIL CO·Filed 1982·Granted Mar 6, 1984·8 cites·34 claims
- 0439US4551206AApparatus with moving bed pressure letdown stage for recovering retorted oil shaleUNION OIL CO·Filed 1984·Granted Nov 5, 1985·6 cites·8 claims
- 0528US4523979AApparatus for recovery of retorted shale from an oil shale retorting processUNION OIL CO·Filed 1984·Granted Jun 18, 1985·1 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →