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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:050472/0840   Pages: 6
Recorded: 09/24/2019
Attorney Dkt #:20512.033
Conveyance: NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS).
Total properties: 20
1
Patent #:
Issue Dt:
04/02/2002
Application #:
09520256
Filing Dt:
03/07/2000
Title:
METHOD OF ASSEMBLING PIPE JOINTS
2
Patent #:
Issue Dt:
09/03/2002
Application #:
09580997
Filing Dt:
05/23/2000
Title:
METHOD FOR MANUFACTURING A FLUSH/SEMI-FLUSH TREADED CONNECTION
3
Patent #:
Issue Dt:
05/13/2003
Application #:
09759400
Filing Dt:
01/12/2001
Publication #:
Pub Dt:
07/18/2002
Title:
DOWNHOLE MUD MOTOR
4
Patent #:
Issue Dt:
10/01/2002
Application #:
09821251
Filing Dt:
03/29/2001
Publication #:
Pub Dt:
10/03/2002
Title:
METHOD FOR PREVENTING CRITICAL ANNULAR PRESSURE BUILDUP
5
Patent #:
Issue Dt:
01/13/2004
Application #:
10217874
Filing Dt:
08/13/2002
Publication #:
Pub Dt:
01/16/2003
Title:
METHOD FOR PREVENTING CRITICAL ANNULAR PRESSURE BUILDUP
6
Patent #:
Issue Dt:
12/07/2004
Application #:
10354340
Filing Dt:
01/30/2003
Publication #:
Pub Dt:
06/19/2003
Title:
DOWNHOLE MUD MOTOR
7
Patent #:
Issue Dt:
01/11/2011
Application #:
11432640
Filing Dt:
05/11/2006
Publication #:
Pub Dt:
01/04/2007
Title:
METHOD OF HARD COATING A SURFACE WITH CARBIDE
8
Patent #:
Issue Dt:
08/30/2011
Application #:
12378383
Filing Dt:
02/13/2009
Publication #:
Pub Dt:
08/19/2010
Title:
SHEARING TOOL AND METHODS OF USE
9
Patent #:
Issue Dt:
03/27/2012
Application #:
12506634
Filing Dt:
07/21/2009
Publication #:
Pub Dt:
01/28/2010
Title:
TILTED DRIVE SUB
10
Patent #:
Issue Dt:
06/26/2012
Application #:
12687294
Filing Dt:
01/14/2010
Publication #:
Pub Dt:
07/22/2010
Title:
DOWNHOLE VIBRATION DAMPENER
11
Patent #:
Issue Dt:
05/21/2013
Application #:
12777379
Filing Dt:
05/11/2010
Publication #:
Pub Dt:
01/27/2011
Title:
DUAL STRIPPER ASSEMBLY FOR SLICK CABLE
12
Patent #:
Issue Dt:
02/19/2013
Application #:
13136035
Filing Dt:
07/21/2011
Publication #:
Pub Dt:
11/17/2011
Title:
SHEARING TOOL AND METHODS OF USE
13
Patent #:
Issue Dt:
01/26/2016
Application #:
13368004
Filing Dt:
02/07/2012
Publication #:
Pub Dt:
08/23/2012
Title:
Position Make-Up Indicator System
14
Patent #:
Issue Dt:
05/03/2016
Application #:
14087514
Filing Dt:
11/22/2013
Publication #:
Pub Dt:
05/14/2015
Title:
Method and Apparatus for Protecting Downhole Components From Shock and Vibration
15
Patent #:
Issue Dt:
03/03/2015
Application #:
14184832
Filing Dt:
02/20/2014
Publication #:
Pub Dt:
08/21/2014
Title:
ANNULAR PRESSURE RELIEF SYSTEM
16
Patent #:
Issue Dt:
02/07/2017
Application #:
14501178
Filing Dt:
09/30/2014
Publication #:
Pub Dt:
04/09/2015
Title:
Process for Upset Forging of Drill Pipe and Articles Produced Thereby
17
Patent #:
Issue Dt:
12/20/2016
Application #:
14697808
Filing Dt:
04/28/2015
Publication #:
Pub Dt:
11/03/2016
Title:
Connection Replacement for a Drilling Mud Motor
18
Patent #:
Issue Dt:
01/01/2019
Application #:
15148057
Filing Dt:
05/06/2016
Publication #:
Pub Dt:
03/16/2017
Title:
MULTI-LEAD QUICK CONNECT THREADED CONNECTION
19
Patent #:
Issue Dt:
09/10/2019
Application #:
15585276
Filing Dt:
05/03/2017
Publication #:
Pub Dt:
11/08/2018
Title:
One Piece Forged Fluidic Displacement Drill Pipe and Method of Manufacture Thereof
20
Patent #:
Issue Dt:
02/11/2020
Application #:
16008572
Filing Dt:
06/14/2018
Publication #:
Pub Dt:
12/19/2019
Title:
Drilling Fluid Filter Screen and Method of Use
Assignor
1
Exec Dt:
09/20/2019
Assignee
1
16825 NORTHCHASE DRIVE
SUITE 600
HOUSTON, TEXAS 77060
Correspondence name and address
CHARLES D. GUNTER, JR.
301 COMMERCE STREET
SUITE 3500
FORT WORTH, TX 76102

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