John H. Duir

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Yorba Linda, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus with moving bed pressure letdown stage for recovering ret...
- Patent number 4,551,206
- Issue date Nov 5, 1985
- Union Oil Company of California
- Roland F. Deering
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Apparatus for recovery of retorted shale from an oil shale retortin...
- Patent number 4,523,979
- Issue date Jun 18, 1985
- Union Oil Company of California
- Roland F. Deering
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Recovery of retorted shale from an oil shale retorting process
- Patent number 4,446,001
- Issue date May 1, 1984
- Union Oil Company of California
- Roland F. Deering
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Oil shale retorting process with a moving bed pressure letdown stage
- Patent number 4,435,271
- Issue date Mar 6, 1984
- Union Oil Company of California
- Roland F. Deering
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Manufacture of low-sulfur needle coke
- Patent number 4,075,084
- Issue date Feb 21, 1978
- Union Oil Company of California
- Milan Skripek
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...