P

Inventor

CROMAR STEPHEN A

GB4 patents
⚠️ This page may combine multiple inventors who share the name “CROMAR STEPHEN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VETCO GRAY INC

3 patents
US4819967AApr 11, 1989

Conductor tieback connector

VETCO GRAY INC40 citations88
US5002131AMar 26, 1991

Casing tensioning mechanism for a casing hanger

VETCO GRAY INC53 citations87
US4986359AJan 22, 1991

Release apparatus and method for threaded conductor pipe

VETCO GRAY INC11 citations68

VETCO GRAY INC ABB

1 patent
US5240076AAug 31, 1993

Casing tension retainer

VETCO GRAY INC ABB27 citations88