Inventor
BAKER JOHN R
US19 patents
⚠️ This page may combine multiple inventors who share the name “BAKER JOHN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER INT CORP
5 patentsUS4285399AAug 25, 1981
Apparatus for setting and orienting a whipstock in a well conduit
BAKER INT CORP71 citations94
US4433702AFeb 28, 1984
Fully opening flapper valve apparatus
BAKER INT CORP34 citations92
US4372393AFeb 8, 1983
Casing bore receptacle
BAKER INT CORP39 citations92
US4383578AMay 17, 1983
Casing bore receptacle with fluid check valve
BAKER INT CORP23 citations82
US4332410AJun 1, 1982
Retrieving tool for well packer
BAKER INT CORP14 citations74