Inventor · disambiguated record

Robert L. Harrigal

Also filed as: HARRIGAL ROBERT L

1 granted patent·6 citations·filing 1985–1985

27Inventor score

Technology areasE21B

Files withSHELL CALIFORNIA PRODUCTION IN1

Top patents by PatentIndex Score

1 record

0117US4615392ARecovering oil by injecting hot CO2 into a reservoir containing swelling claySHELL CALIFORNIA PRODUCTION IN·Filed 1985·Granted Oct 7, 1986·6 cites·4 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →