Inventor · disambiguated record
Ben D. Terral
Also filed as: TERRAL BEN D · TERRAL BEN DAVID
14 granted patents·470 citations·filing 1975–2000
94Inventor score
Files withCAMCO INC4TERRAL BEN D4SCHLUMBERGER TECHNOLOGY CORP2EMMA DEE GRAY1ENTERRA PETROLEUM EQUIPMENT GR1
Top patents by PatentIndex Score
14 records- 0191US6227587B1Combined well casing spider and elevatorEMMA DEE GRAY·Filed 2000·Granted May 8, 2001·160 cites·20 claims
- 0288US4239082AMultiple flow valves and sidepocket mandrelCAMCO INC·Filed 1979·Granted Dec 16, 1980·70 cites·1 claims
- 0373US4360064ACirculating valve for wellsEXXON PRODUCTION RESEARCH CO·Filed 1980·Granted Nov 23, 1982·46 cites·10 claims
- 0467US4480687ASide pocket mandrel system for dual chemical injectionSCHLUMBERGER TECHNOLOGY CORP·Filed 1983·Granted Nov 6, 1984·33 cites·12 claims
- 0563US5042584AStacked water regulator and method of useMCMURRAY OIL TOOLS INC·Filed 1990·Granted Aug 27, 1991·44 cites·3 claims
- 0663US4002203AWell installationCAMCO INC·Filed 1975·Granted Jan 11, 1977·24 cites·12 claims
- 0759US4441519AGas lift valve and method of presettingSCHLUMBERGER TECHNOLOGY CORP·Filed 1982·Granted Apr 10, 1984·15 cites·11 claims
- 0858US4146091AApparatus for installing and removing flow valvesCAMCO INC·Filed 1978·Granted Mar 27, 1979·20 cites·10 claims
- 0939US5205357ALatching deviceTERRAL BEN D·Filed 1990·Granted Apr 27, 1993·15 cites·6 claims
- 1038US4620349AApparatus for establishing pipe joint sealsTERRAL BEN D·Filed 1985·Granted Nov 4, 1986·6 cites·10 claims
- 1137US4940089ALatching deviceTERRAL BEN D·Filed 1988·Granted Jul 10, 1990·11 cites·14 claims
- 1237US4197909AProtector for a deflector guide of a mandrelCAMCO INC·Filed 1978·Granted Apr 15, 1980·7 cites·6 claims
- 1335US5421241AGas lift bellows construction and process for manufacture thereofENTERRA PETROLEUM EQUIPMENT GR·Filed 1993·Granted Jun 6, 1995·11 cites·13 claims
- 1434US4813730ARetrieval device for a well control toolTERRAL BEN D·Filed 1987·Granted Mar 21, 1989·8 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →