Inventor

CHELETTE K DARREL

US6 patents

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

HYDRIL CO

2 patents

US4662659AMay 5, 1987

Tubular joint with trapped mid-joint metal-to-metal seal having unequal tapers

HYDRIL CO111 citations95

US4570982AFeb 18, 1986

Tubular joint with trapped mid-joint metal-to-metal seal

HYDRIL CO113 citations95

BAKER HUGHES INC

2 patents

US5029906AJul 9, 1991

Method and apparatus for forming a ventable seal

BAKER HUGHES INC34 citations91

US4893844AJan 16, 1990

Tubular coupling with ventable seal

BAKER HUGHES INC41 citations91

J B N MORRIS

1 patent

US4591195AMay 27, 1986

Pipe joint

J B N MORRIS79 citations92

MORRIS JAMES B N

1 patent

US4705307ANov 10, 1987

Tubular goods joint

MORRIS JAMES B N41 citations90