Inventor · disambiguated record
James P. Degraffenried
Also filed as: DEGRAFFENRIED JAMES P
3 granted patents·46 citations·filing 1994–1994
70Inventor score
Files withPHILLIPS PETROLEUM CO2
Top patents by PatentIndex Score
3 records- 0172US5656150AMethod for treating the radiant tubes of a fired heater in a thermal cracking processPHILLIPS PETROLEUM CO·Filed 1994·Granted Aug 12, 1997·30 cites·13 claims
- 0250US6464858B1Method for improving the yield of heavy hydrocarbons in a thermal cracking processPHILLIPS PETROLEUM CO·Filed 1994·Granted Oct 15, 2002·14 cites·23 claims
- 0329US6056870AMethod of promoting the decomposition of silicon compounds in a process for depositing silicon upon a metal surfaceFiled 1994·Granted May 2, 2000·2 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →