Inventor · disambiguated record
Howard H. Ferrell
Also filed as: CASAD BURTON M · FERRELL HOWARD H
4 granted patents·120 citations·filing 1974–1987
79Inventor score
Top patents by PatentIndex Score
4 records- 0183US4833915AMethod and apparatus for detecting formation hydrocarbons in mud returns, and the likeCONOCO INC·Filed 1987·Granted May 30, 1989·73 cites·20 claims
- 0257US4212748APolymer flood filtration improvementCONOCO INC·Filed 1978·Granted Jul 15, 1980·15 cites·6 claims
- 0357US3965978ASubsurface transient pressure testing apparatus and method of use thereofCONTINENTAL OIL CO·Filed 1974·Granted Jun 29, 1976·22 cites·11 claims
- 0449US4107037AMethod and apparatus for automatic control of filtrate qualityCONTINENTAL OIL CO·Filed 1977·Granted Aug 15, 1978·10 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →