James P. Degraffenried

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Bartlesville, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for improving the yield of heavy hydrocarbons in a thermal c...
- Patent number 6,464,858
- Issue date Oct 15, 2002
- Phillips Petroleum Company
- Ronald E. Brown
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method of promoting the decomposition of silicon compounds in a pro...
- Patent number 6,056,870
- Issue date May 2, 2000
- Larry E. Reed
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for treating the radiant tubes of a fired heater in a therma...
- Patent number 5,656,150
- Issue date Aug 12, 1997
- Phillips Petroleum Company
- Larry E. Reed
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...