Inventor

BENEFIELD ROY W

US2 patents

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

FMC TECHNOLOGIES

1 patent

US6557629B2May 6, 2003

Wellhead isolation tool

FMC TECHNOLOGIES108 citations91

FMC CORP

1 patent

US4848777AJul 18, 1989

Pressure energized/pressure intensified casing seal

FMC CORP18 citations65