P

Inventor

TERRAL BEN D

US13 patents
⚠️ This page may combine multiple inventors who share the name “TERRAL BEN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TERRAL BEN D

4 patents
US5205357AApr 27, 1993

Latching device

TERRAL BEN D15 citations72
US4940089AJul 10, 1990

Latching device

TERRAL BEN D11 citations72
US4813730AMar 21, 1989

Retrieval device for a well control tool

TERRAL BEN D8 citations72
US4620349ANov 4, 1986

Apparatus for establishing pipe joint seals

TERRAL BEN D6 citations61

CAMCO INC

3 patents
US4239082ADec 16, 1980

Multiple flow valves and sidepocket mandrel

CAMCO INC70 citations95
US4146091AMar 27, 1979

Apparatus for installing and removing flow valves

CAMCO INC20 citations81
US4197909AApr 15, 1980

Protector for a deflector guide of a mandrel

CAMCO INC7 citations73

SCHLUMBERGER TECHNOLOGY CORP

2 patents
US4480687ANov 6, 1984

Side pocket mandrel system for dual chemical injection

SCHLUMBERGER TECHNOLOGY CORP33 citations92
US4441519AApr 10, 1984

Gas lift valve and method of presetting

SCHLUMBERGER TECHNOLOGY CORP15 citations73

EMMA DEE GRAY

1 patent
US6227587B1May 8, 2001

Combined well casing spider and elevator

EMMA DEE GRAY160 citations96

MCMURRAY OIL TOOLS INC

1 patent
US5042584AAug 27, 1991

Stacked water regulator and method of use

MCMURRAY OIL TOOLS INC44 citations89

EXXON PRODUCTION RESEARCH CO

1 patent
US4360064ANov 23, 1982

Circulating valve for wells

EXXON PRODUCTION RESEARCH CO46 citations88

ENTERRA PETROLEUM EQUIPMENT GR

1 patent
US5421241AJun 6, 1995

Gas lift bellows construction and process for manufacture thereof

ENTERRA PETROLEUM EQUIPMENT GR11 citations71