Inventor
SCHNATZMEYER MARK A
US20 patents
⚠️ This page may combine multiple inventors who share the name “SCHNATZMEYER MARK A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ENG CO
10 patentsUS5058683AOct 22, 1991
Wet connector
OTIS ENG CO74 citations96
US4921438AMay 1, 1990
Wet connector
OTIS ENG CO113 citations96
US4846269AJul 11, 1989
Apparatus for monitoring a parameter in a well
OTIS ENG CO55 citations96
US4757859AJul 19, 1988
Apparatus for monitoring a parameter in a well
OTIS ENG CO60 citations96
US4624309ANov 25, 1986
Apparatus for monitoring a parameter in a well
OTIS ENG CO79 citations96
US4997384AMar 5, 1991
Wet connector
OTIS ENG CO55 citations92
US4828027AMay 9, 1989
Apparatus for monitoring a parameter in a well
OTIS ENG CO30 citations92
US4825946AMay 2, 1989
Apparatus for monitoring a parameter in a well
OTIS ENG CO50 citations92
US4307902ADec 29, 1981
Riser connector
OTIS ENG CO25 citations82
USD277286SJan 22, 1985
Solar powered valve control unit
OTIS ENG CO2 citations63
HALLIBURTON ENERGY SERV INC
7 patentsUS6150601ANov 21, 2000
Method and apparatus for generating electric power downhole
HALLIBURTON ENERGY SERV INC103 citations98
US5957208ASep 28, 1999
Flow control apparatus
HALLIBURTON ENERGY SERV INC52 citations96
US5957207ASep 28, 1999
Flow control apparatus for use in a subterranean well and associated methods
HALLIBURTON ENERGY SERV INC54 citations96
US5718289AFeb 17, 1998
Apparatus and method for use in injecting fluids in a well
HALLIBURTON ENERGY SERV INC72 citations96
US6394181B2May 28, 2002
Self-regulating lift fluid injection tool and method for use of same
HALLIBURTON ENERGY SERV INC43 citations92
US6286596B1Sep 11, 2001
Self-regulating lift fluid injection tool and method for use of same
HALLIBURTON ENERGY SERV INC33 citations92
US6082458AJul 4, 2000
Flow control apparatus with specific latching means for use in a subterranean well and associated methods
HALLIBURTON ENERGY SERV INC39 citations92