Inventor
CURINGTON ALFRED R
25 patents
⚠️ This page may combine multiple inventors who share the name “CURINGTON ALFRED R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKERDRILL INC
8 patentsUS3970335AJul 20, 1976
Dual concentric pipes
BAKERDRILL INC44 citations94
US3948588AApr 6, 1976
Swivel for core drilling
BAKERDRILL INC62 citations94
US3941196AMar 2, 1976
Percussive air hammer and core bit apparatus
BAKERDRILL INC45 citations94
US3958645AMay 25, 1976
Bore hole air hammer
BAKERDRILL INC27 citations82
US4030554AJun 21, 1977
Bore hole airhammer and anvil bit
BAKERDRILL INC24 citations80
US4146097AMar 27, 1979
Bore hole air hammer
BAKERDRILL INC15 citations74
US3944003AMar 16, 1976
Bore hole air hammer
BAKERDRILL INC10 citations74
US3934662AJan 27, 1976
Core bit
BAKERDRILL INC6 citations72
BAKER HUGHES INC
7 patentsUS5353876AOct 11, 1994
Method and apparatus for sealing the juncture between a verticle well and one or more horizontal wells using mandrel means
BAKER HUGHES INC200 citations98
US5325924AJul 5, 1994
Method and apparatus for locating and re-entering one or more horizontal wells using mandrel means
BAKER HUGHES INC128 citations97
US5311936AMay 17, 1994
Method and apparatus for isolating one horizontal production zone in a multilateral well
BAKER HUGHES INC206 citations97
US5487427AJan 30, 1996
Slip release mechanism
BAKER HUGHES INC46 citations92
US4798243AJan 17, 1989
Packer with electrical conduit bypass
BAKER HUGHES INC25 citations92
US4949793AAug 21, 1990
Method and apparatus for completion of a well
BAKER HUGHES INC56 citations88
US4949792AAug 21, 1990
Packer assembly and means for activating same only in smaller diameter well conduit
BAKER HUGHES INC13 citations74
BAKER INT CORP
3 patentsUS4304299ADec 8, 1981
Method for setting and orienting a whipstock in a well conduit
BAKER INT CORP68 citations94
US4285399AAug 25, 1981
Apparatus for setting and orienting a whipstock in a well conduit
BAKER INT CORP71 citations94
US4307780ADec 29, 1981
Angular whipstock alignment means
BAKER INT CORP46 citations92
WELLDYNAMICS INC
3 patentsUS7013980B2Mar 21, 2006
Hydraulically actuated control system for use in a subterranean well
WELLDYNAMICS INC39 citations92
US7950461B2May 31, 2011
Screened valve system for selective well stimulation and control
WELLDYNAMICS INC25 citations89
US9464507B2Oct 11, 2016
Casing valves system for selective well stimulation and control
WELLDYNAMICS INC1 citations63