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Reel/Frame:031597/0773   Pages: 34
Recorded: 11/07/2013
Attorney Dkt #:0050320-00209
Conveyance: SECURITY AGREEMENT
Total properties: 17
1
Patent #:
Issue Dt:
06/01/1999
Application #:
08850525
Filing Dt:
05/02/1997
Title:
NON-METTALLIC CENTRALIZER FOR CASING
2
Patent #:
Issue Dt:
01/20/2004
Application #:
10071734
Filing Dt:
02/08/2002
Publication #:
Pub Dt:
08/14/2003
Title:
MINIMUM CLEARANCE BOW-SPRING CENTRALIZER
3
Patent #:
Issue Dt:
12/07/2010
Application #:
11749544
Filing Dt:
05/16/2007
Publication #:
Pub Dt:
11/20/2008
Title:
LOW CLEARANCE CENTRALIZER AND METHOD OF MAKING CENTRALIZER
4
Patent #:
Issue Dt:
04/22/2014
Application #:
11828943
Filing Dt:
07/26/2007
Publication #:
Pub Dt:
01/29/2009
Title:
APPARATUS FOR AND METHOD OF DEPLOYING A CENTRALIZER INSTALLED ON AN EXPANDABLE CASING STRING
5
Patent #:
Issue Dt:
02/01/2011
Application #:
12042989
Filing Dt:
03/05/2008
Publication #:
Pub Dt:
11/20/2008
Title:
EXPANDABLE CENTRALIZER FOR EXPANDABLE PIPE STRING
6
Patent #:
Issue Dt:
10/21/2014
Application #:
12755981
Filing Dt:
04/07/2010
Publication #:
Pub Dt:
10/07/2010
Title:
FRICTION REDUCING WEAR BAND AND METHOD OF COUPLING A WEAR BAND TO A TUBULAR
7
Patent #:
Issue Dt:
07/01/2014
Application #:
12756173
Filing Dt:
04/07/2010
Publication #:
Pub Dt:
09/02/2010
Title:
CASING CENTRALIZERS HAVING FLEXIBLE BOW SPRINGS
8
Patent #:
Issue Dt:
09/16/2014
Application #:
12756177
Filing Dt:
04/08/2010
Publication #:
Pub Dt:
12/30/2010
Title:
INTERFERENCE-FIT STOP COLLAR AND METHOD OF POSITIONING A DEVICE ON A TUBULAR
9
Patent #:
Issue Dt:
03/04/2014
Application #:
12913495
Filing Dt:
10/27/2010
Publication #:
Pub Dt:
06/23/2011
Title:
LOW CLEARANCE CENTRALIZER
10
Patent #:
Issue Dt:
09/30/2014
Application #:
12960716
Filing Dt:
12/06/2010
Publication #:
Pub Dt:
06/07/2012
Title:
RIGID CENTRALIZER
11
Patent #:
Issue Dt:
06/12/2012
Application #:
13019084
Filing Dt:
02/01/2011
Publication #:
Pub Dt:
08/04/2011
Title:
EXPANDABLE CENTRALIZER FOR EXPANDABLE PIPE STRING
12
Patent #:
Issue Dt:
01/05/2016
Application #:
13025438
Filing Dt:
02/11/2011
Publication #:
Pub Dt:
08/18/2011
Title:
Device and Method for Affecting the Flow of Fluid in a Wellbore
13
Patent #:
Issue Dt:
10/07/2014
Application #:
13191074
Filing Dt:
07/26/2011
Publication #:
Pub Dt:
01/31/2013
Title:
PERFORMANCE CENTRALIZER FOR CLOSE TOLERANCE APPLICATIONS
14
Patent #:
Issue Dt:
07/08/2014
Application #:
13476807
Filing Dt:
05/21/2012
Publication #:
Pub Dt:
09/13/2012
Title:
EXPANDABLE CENTRALIZER FOR EXPANDABLE PIPE STRING
15
Patent #:
Issue Dt:
05/29/2018
Application #:
13957016
Filing Dt:
08/01/2013
Publication #:
Pub Dt:
04/10/2014
Title:
ROLLED TUBULAR CENTRALIZER
16
Patent #:
Issue Dt:
03/01/2016
Application #:
14046320
Filing Dt:
10/04/2013
Publication #:
Pub Dt:
02/06/2014
Title:
INTERFERENCE-FIT STOP COLLAR AND METHOD OF POSITIONING A DEVICE ON A TUBULAR
17
Patent #:
Issue Dt:
04/04/2017
Application #:
14052496
Filing Dt:
10/11/2013
Publication #:
Pub Dt:
04/16/2015
Title:
CENTRALIZER PRECONDITIONING AND TESTING APPARATUS AND METHOD
Assignor
1
Exec Dt:
11/01/2013
Assignee
1
1000 LOUISIANA
9TH FLOOR, MAC T5002-090
HOUSTON, TEXAS 77002
Correspondence name and address
LOCKE LORD LLP
600 TRAVIS
SUITE 2800
HOUSTON, TX 77002-3095

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