Membership
Tour
Register
Log in
Stuart Morton Dennistoun
Follow
Person
Cypress, TX, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Dual control line system and method for operating surface controlle...
Patent number
7,878,252
Issue date
Feb 1, 2011
Weatherford/Lamb, Inc.
Roddie R. Smith
E21 - EARTH DRILLING MINING
Information
Patent Grant
Communication tool for accessing a non annular hydraulic chamber of...
Patent number
7,775,269
Issue date
Aug 17, 2010
Halliburton Energy Services, Inc.
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Communication tool for accessing a non annular hydraulic chamber of...
Patent number
7,475,733
Issue date
Jan 13, 2009
Halliburton Energy Services, Inc.
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Communication tool for accessing a non annular hydraulic chamber of...
Patent number
7,249,635
Issue date
Jul 31, 2007
Halliburton Energy Services, Inc.
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsurface safety valve having a communication tool accessible non...
Patent number
7,032,672
Issue date
Apr 25, 2006
Halliburton Energy Services, Inc.
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Communication tool for accessing a non annular hydraulic chamber of...
Patent number
6,953,093
Issue date
Oct 11, 2005
Halliburton Energy Services, Inc.
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsurface safety valve and method for communicating hydraulic flui...
Patent number
6,880,641
Issue date
Apr 19, 2005
Halliburton Energy Services, Inc.
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsurface safety valve lock out and communication tool and method...
Patent number
6,742,595
Issue date
Jun 1, 2004
Halliburton Energy Services, Inc.
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsurface safety valve lock out and communication tool and method...
Patent number
6,659,185
Issue date
Dec 9, 2003
Halliburton Energy Services, Inc.
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsurface safety valve lock out and communication tool and method...
Patent number
6,523,614
Issue date
Feb 25, 2003
Halliburton Energy Services, Inc.
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Valve with secondary load bearing surface
Patent number
6,425,413
Issue date
Jul 30, 2002
Halliburton Energy Services, Inc.
Glenn Ray Davis
E21 - EARTH DRILLING MINING
Information
Patent Grant
Flapper valve assembly with seat having load bearing shoulder
Patent number
6,289,926
Issue date
Sep 18, 2001
Halliburton Energy Services, Inc.
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Valve with secondary load bearing surface
Patent number
6,263,910
Issue date
Jul 24, 2001
Halliburton Energy Services, Inc.
Glenn Ray Davis
E21 - EARTH DRILLING MINING
Information
Patent Grant
Flapper valve with biasing flapper closure assembly
Patent number
6,227,299
Issue date
May 8, 2001
Halliburton Energy Services, Inc.
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Flapper valve assembly with seat having load bearing shoulder
Patent number
6,196,261
Issue date
Mar 6, 2001
Halliburton Energy Services, Inc.
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Grant
Underbalanced well completion
Patent number
6,152,232
Issue date
Nov 28, 2000
Halliburton Energy Services, Inc.
Alan B. Webb
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Retrievable Surface Controlled Subsurface Safety Valve
Publication number
20090294135
Publication date
Dec 3, 2009
WEATHERFORD/LAMB, INC.
Jean-Luc Jacob
E21 - EARTH DRILLING MINING
Information
Patent Application
Communication Tool for Accessing a Non Annular Hydraulic Chamber of...
Publication number
20090114389
Publication date
May 7, 2009
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Application
Dual Control Line System and Method for Operating Surface Controlle...
Publication number
20090050333
Publication date
Feb 26, 2009
WEATHERFORD/LAMB, INC.
Roddie Robert Smith
E21 - EARTH DRILLING MINING
Information
Patent Application
Communication tool for accessing a non annular hydraulic chamber of...
Publication number
20070227738
Publication date
Oct 4, 2007
Halliburton Energy Services, Inc.
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Application
Communication tool for accessing a non annular hydraulic chamber of...
Publication number
20060113081
Publication date
Jun 1, 2006
Halliburton Energy Services
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Application
Subsurface safety valve having a communication tool accessible non...
Publication number
20050056430
Publication date
Mar 17, 2005
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Application
Communication tool for accessing a non annular hydraulic chamber of...
Publication number
20050056414
Publication date
Mar 17, 2005
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Application
Subsurface safety valve and method for communicating hydraulic flui...
Publication number
20040026087
Publication date
Feb 12, 2004
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Application
Subsurface safety valve lock out and communication tool and method...
Publication number
20030075336
Publication date
Apr 24, 2003
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Application
Subsurface safety valve lock out and communication tool and method...
Publication number
20030070817
Publication date
Apr 17, 2003
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Application
SUBSURFACE SAFETY VALVE LOCK OUT AND COMMUNICATION TOOL AND METHOD...
Publication number
20020153139
Publication date
Oct 24, 2002
Stuart M. Dennistoun
E21 - EARTH DRILLING MINING
Information
Patent Application
Valve with secondary load bearing surface
Publication number
20010022194
Publication date
Sep 20, 2001
Halliburton Enrgy Services, Inc.
Glenn Ray Davis
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...