Inventor
COCHRAN CHUDLEIGH B
13 patents
⚠️ This page may combine multiple inventors who share the name “COCHRAN CHUDLEIGH B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROWN OIL TOOLS
7 patentsUS3973587AAug 10, 1976
Check valve assembly
BROWN OIL TOOLS64 citations95
US4018274AApr 19, 1977
Well packer
BROWN OIL TOOLS51 citations92
US3934652AJan 27, 1976
Apparatus and method for cementing well liners
BROWN OIL TOOLS35 citations92
US4071084AJan 31, 1978
Well packer
BROWN OIL TOOLS33 citations91
US4131160ADec 26, 1978
Well tool with pressure responsive tightening means
BROWN OIL TOOLS17 citations73
US4015662AApr 5, 1977
Well tool which changes reciprocating movement to rotary motion
BROWN OIL TOOLS15 citations73
US4030546AJun 21, 1977
Swivel assembly
BROWN OIL TOOLS15 citations69
LINDSEY COMPLETION SYSTEMS INC
4 patentsUS5048611ASep 17, 1991
Pressure operated circulation valve
LINDSEY COMPLETION SYSTEMS INC186 citations98
US5058671AOct 22, 1991
Pipe insert assembly
LINDSEY COMPLETION SYSTEMS INC30 citations92
US5058672AOct 22, 1991
Landing collar and float valve assembly
LINDSEY COMPLETION SYSTEMS INC40 citations92
US5048612ASep 17, 1991
Double nut setting tool and linger hanger assembly
LINDSEY COMPLETION SYSTEMS INC38 citations92