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Inventor

BRAKHAGE JR WILLIAM L

US4 patents
⚠️ This page may combine multiple inventors who share the name “BRAKHAGE JR WILLIAM L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAKER OIL TOOLS INC

3 patents
US4577694AMar 25, 1986

Permanent lock open tool

BAKER OIL TOOLS INC62 citations93
US4475598AOct 9, 1984

Ball valve actuating mechanism

BAKER OIL TOOLS INC37 citations87
US4569397AFeb 11, 1986

Ball valve actuating mechanism

BAKER OIL TOOLS INC23 citations77

CAMERON IRON WORKS INC

1 patent
US4437643AMar 20, 1984

Ram-type blowout preventer

CAMERON IRON WORKS INC67 citations94