Inventor · disambiguated record

Jerry D. Purkaple

Also filed as: PURKAPLE JERRY D

2 granted patents·110 citations·filing 1987–1987

68Inventor score

Technology areasC09K E21B

Files withCONOCO INC2

Top patents by PatentIndex Score

2 records

0189US4773481AReducing permeability of highly permeable zones in underground formationsCONOCO INC·Filed 1987·Granted Sep 27, 1988·74 cites·12 claims
0263US4819723AReducing the permeability of a rock formationCONOCO INC·Filed 1987·Granted Apr 11, 1989·36 cites·8 claims

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Jerry D. Purkaple — Patent Inventor | PatentIndex