Inventor · disambiguated record
Francis J. Shell
Also filed as: SHELL FRANCIS J
5 granted patents·202 citations·filing 1978–1992
84Inventor score
Files withPHILLIPS PETROLEUM CO5
Top patents by PatentIndex Score
5 records- 0187US5165477AEnzymatic decomposition of drilling mudPHILLIPS PETROLEUM CO·Filed 1992·Granted Nov 24, 1992·79 cites·18 claims
- 0285US4502969AWorkover and completion fluidsPHILLIPS PETROLEUM CO·Filed 1982·Granted Mar 5, 1985·54 cites·24 claims
- 0362US5126051AEnzymatic decomposition of drilling mudPHILLIPS PETROLEUM CO·Filed 1990·Granted Jun 30, 1992·37 cites·13 claims
- 0456US4559149AWorkover fluidPHILLIPS PETROLEUM CO·Filed 1984·Granted Dec 17, 1985·16 cites·15 claims
- 0553US4221823AProcess for mounting palynological specimensPHILLIPS PETROLEUM CO·Filed 1978·Granted Sep 9, 1980·16 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →