P

Inventor

CALLIHAN RUDY B

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

BAKER OIL TOOLS INC

6 patents
US4413682ANov 8, 1983

Method and apparatus for installing a cementing float shoe on the bottom of a well casing

BAKER OIL TOOLS INC259 citations95
US4436151AMar 13, 1984

Apparatus for well cementing through a tubular member

BAKER OIL TOOLS INC64 citations94
US4450912AMay 29, 1984

Method and apparatus for well cementing through a tubular member

BAKER OIL TOOLS INC51 citations91
US4442894AApr 17, 1984

Unitary float valve and wiping plug retainer

BAKER OIL TOOLS INC34 citations89
US3987854AOct 26, 1976

Gravel packing apparatus and method

BAKER OIL TOOLS INC78 citations89
US4479544AOct 30, 1984

Pressure actuated pack-off and method

BAKER OIL TOOLS INC17 citations72

BAKER INT CORP

2 patents
US4393931AJul 19, 1983

Combination hydraulically set hanger assembly with expansion joint

BAKER INT CORP139 citations92
US4088186AMay 9, 1978

Centering device for well conduit

BAKER INT CORP37 citations85