Inventor · disambiguated record
Harold J. Hill
Also filed as: HILL HAROLD J
5 granted patents·195 citations·filing 1975–1980
84Inventor score
Files withSHELL OIL CO5
Top patents by PatentIndex Score
5 records- 0188US3945437AProcess for displacing oil using aqueous anionic surfactant systems containing aromatic ether polysulfonatesSHELL OIL CO·Filed 1975·Granted Mar 23, 1976·65 cites·10 claims
- 0283US4086964ASteam-channel-expanding steam foam driveSHELL OIL CO·Filed 1977·Granted May 2, 1978·63 cites·10 claims
- 0376US4074755AIon exchange controlled chemically aided waterflood processSHELL OIL CO·Filed 1977·Granted Feb 21, 1978·35 cites·3 claims
- 0471US4013569AAqueous anionic surfactant systems containing aromatic ether polysulfonatesSHELL OIL CO·Filed 1975·Granted Mar 22, 1977·25 cites·8 claims
- 0539US4279305AProcess for stimulating a well with a saline surfactant sulfate, alkanol and acid systemSHELL OIL CO·Filed 1980·Granted Jul 21, 1981·7 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →