Inventor · disambiguated record

Joseph L. Perkins

Also filed as: PERKINS JOSEPH L

2 granted patents·1,035 citations·filing 1988–1989

76Inventor score

Technology areasE21B

Files withSCHLUMBERGER TECHNOLOGY CORP2

Top patents by PatentIndex Score

2 records

0197US4936139ADown hole method for determination of formation propertiesSCHLUMBERGER TECHNOLOGY CORP·Filed 1989·Granted Jun 26, 1990·470 cites·7 claims
0297US4860581ADown hole tool for determination of formation propertiesSCHLUMBERGER TECHNOLOGY CORP·Filed 1988·Granted Aug 29, 1989·565 cites·28 claims

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