Inventor · disambiguated record

David B. Parran

Also filed as: PARRAN DAVID B

1 granted patent·23 citations·filing 1991–1991

41Inventor score

Technology areasE21B

Files withSCHLUMBERGER TECHNOLOGY CORP1

Top patents by PatentIndex Score

1 record

0143US5188173APressure control system and cable guiding device for use in drilling wellsSCHLUMBERGER TECHNOLOGY CORP·Filed 1991·Granted Feb 23, 1993·23 cites·15 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →