Inventor · disambiguated record
Robert L. Coffee
Also filed as: COFFEE ROBERT L
4 granted patents·151 citations·filing 1977–1991
80Inventor score
Top patents by PatentIndex Score
4 records- 0184US5224556ADownhole activated process and apparatus for deep perforation of the formation in a wellboreCONOCO INC·Filed 1991·Granted Jul 6, 1993·97 cites·30 claims
- 0268US4527626AProcess and apparatus for removing dissolved oxygenCONOCO INC·Filed 1984·Granted Jul 9, 1985·28 cites·9 claims
- 0349US4107037AMethod and apparatus for automatic control of filtrate qualityCONTINENTAL OIL CO·Filed 1977·Granted Aug 15, 1978·10 cites·14 claims
- 0444US4867237APressure monitoring apparatusCONOCO INC·Filed 1988·Granted Sep 19, 1989·16 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →