Inventor · disambiguated record
Howard R. Herrigel
Also filed as: HERRIGEL HOWARD R
4 granted patents·144 citations·filing 1978–1989
80Inventor score
Top patents by PatentIndex Score
4 records- 0185US4207183APrevention of solute deposition fouling in membrane processesRESOURCES CONSERVATION CO·Filed 1978·Granted Jun 10, 1980·48 cites·18 claims
- 0282US5057294ARecovery and regeneration of spent MHD seed material by the formate processUNIV TENNESSEE RES CORP·Filed 1989·Granted Oct 15, 1991·60 cites·10 claims
- 0367US4618429AMethod of maintaining adequate seed crystal in preferential precipitation systemsRESOURCES CONSERVATION CO·Filed 1984·Granted Oct 21, 1986·27 cites·24 claims
- 0437US4863607AMethod for removing amine from oilRESOURCES CONSERVATION CO·Filed 1987·Granted Sep 5, 1989·9 cites·60 claims
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