Inventor
SMITH RODDIE R
US44 patents
⚠️ This page may combine multiple inventors who share the name “SMITH RODDIE R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WEATHERFORD LAMB
13 patentsUS6648075B2Nov 18, 2003
Method and apparatus for expandable liner hanger with bypass
WEATHERFORD LAMB221 citations99
US7048065B2May 23, 2006
Method and apparatus for expandable liner hanger with bypass
WEATHERFORD LAMB43 citations96
US7246668B2Jul 24, 2007
Pressure actuated tubing safety valve
WEATHERFORD LAMB26 citations92
US6920934B2Jul 26, 2005
Method and apparatus for expandable liner hanger with bypass
WEATHERFORD LAMB16 citations92
US7392849B2Jul 1, 2008
Balance line safety valve with tubing pressure assist
WEATHERFORD LAMB31 citations85
US7654333B2Feb 2, 2010
Downhole safety valve
WEATHERFORD LAMB12 citations84
US7878252B2Feb 1, 2011
Dual control line system and method for operating surface controlled sub-surface safety valve in a well
WEATHERFORD LAMB12 citations83
US7751677B2Jul 6, 2010
Optical fiber feedthrough using axial seals for bi-directional sealing
WEATHERFORD LAMB12 citations83
US7178599B2Feb 20, 2007
Subsurface safety valve
WEATHERFORD LAMB10 citations82
US6854519B2Feb 15, 2005
Subsurface valve with system and method for sealing
WEATHERFORD LAMB16 citations82
US7314091B2Jan 1, 2008
Cement-through, tubing retrievable safety valve
WEATHERFORD LAMB10 citations76
US7677304B1Mar 16, 2010
Passable no-go device for downhole valve
WEATHERFORD LAMB7 citations74
US7543651B2Jun 9, 2009
Non-elastomer cement through tubing retrievable safety valve
WEATHERFORD LAMB4 citations57
WEATHERFORD TECH HOLDINGS LLC
7 patentsUS10895130B2Jan 19, 2021
Remotely operated isolation valve
WEATHERFORD TECH HOLDINGS LLC5 citations84
US10214999B2Feb 26, 2019
Remotely operated isolation valve
WEATHERFORD TECH HOLDINGS LLC5 citations84
US10151171B2Dec 11, 2018
Signal operated isolation valve
WEATHERFORD TECH HOLDINGS LLC9 citations84
US10890048B2Jan 12, 2021
Signal operated isolation valve
WEATHERFORD TECH HOLDINGS LLC4 citations73
US11773691B2Oct 3, 2023
Remotely operated isolation valve
WEATHERFORD TECH HOLDINGS LLC0 citations62
US10323477B2Jun 18, 2019
Seal assembly
WEATHERFORD TECH HOLDINGS LLC0 citations52
US9528345B2Dec 27, 2016
Hydraulic communication device
WEATHERFORD TECH HOLDINGS LLC0 citations41
SMITH RODDIE R
6 patentsUS10563476B2Feb 18, 2020
Frac plug with integrated flapper valve
SMITH RODDIE R7 citations83
US8424611B2Apr 23, 2013
Downhole safety valve having flapper and protected opening procedure
SMITH RODDIE R18 citations83
US8640769B2Feb 4, 2014
Multiple control line assembly for downhole equipment
SMITH RODDIE R7 citations79
US8616291B2Dec 31, 2013
Fail safe regulator for deep-set safety valve having dual control lines
SMITH RODDIE R8 citations76
US10378305B2Aug 13, 2019
Frac plug with retention mechanism
SMITH RODDIE R5 citations72
US8776889B2Jul 15, 2014
Irregularly shaped flapper closure and sealing surfaces
SMITH RODDIE R2 citations58
OTIS ENG CO
5 patentsUS4624315ANov 25, 1986
Subsurface safety valve with lock-open system
OTIS ENG CO115 citations96
US4723606AFeb 9, 1988
Surface controlled subsurface safety valve
OTIS ENG CO64 citations95
US4945993AAug 7, 1990
Surface controlled subsurface safety valve
OTIS ENG CO44 citations92
US5044443ASep 3, 1991
Method and apparatus for producing wells
OTIS ENG CO19 citations82
US5137089AAug 11, 1992
Streamlined flapper valve
OTIS ENG CO19 citations81