Inventor

HOPMANN MARK

US3 patents

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

BAKER HUGHES INC

2 patents

US5188183AFeb 23, 1993

Method and apparatus for controlling the flow of well bore fluids

BAKER HUGHES INC193 citations94

US4823872AApr 25, 1989

Downhole locking apparatus

BAKER HUGHES INC68 citations92

WEATHERFORD LAMB

1 patent

US6698517B2Mar 2, 2004

Apparatus, methods, and applications for expanding tubulars in a wellbore

WEATHERFORD LAMB118 citations96