Inventor

CRAGER BRUCE L

US4 patents

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

HUGHES TOOL CO

1 patent

US4648747AMar 10, 1987

Integral buoyant riser

HUGHES TOOL CO25 citations91

OFFSHORE

1 patent

US4198179AApr 15, 1980

Production riser

OFFSHORE36 citations87

CHEVRON RES

1 patent

US4193455AMar 18, 1980

Split stack blowout prevention system

CHEVRON RES26 citations80

OFFSHORE CO

1 patent

US4260292AApr 7, 1981

Arctic offshore platform

OFFSHORE CO10 citations66