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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:032212/0058   Pages: 9
Recorded: 02/13/2014
Attorney Dkt #:32434
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Total properties: 27
1
Patent #:
Issue Dt:
06/28/1988
Application #:
06916161
Filing Dt:
10/07/1986
Title:
WELL PERFORATING GUN ASSEMBLY
2
Patent #:
Issue Dt:
07/02/1996
Application #:
08438403
Filing Dt:
05/10/1995
Title:
SELECT FIRE GUN ASSEMBLY AND ELECTRONIC MODULE FOR UNDERGROUND JET PERFORATING USING RESISTIVE BLASTING CAPS
3
Patent #:
Issue Dt:
12/23/1997
Application #:
08640087
Filing Dt:
04/30/1996
Title:
UNDERGROUND JET PERFORATING USING RESISTIVE BLASTING CAPS
4
Patent #:
Issue Dt:
01/16/2001
Application #:
09262948
Filing Dt:
03/04/1999
Title:
LOGGING TOOL FOR CEMENT EVALUATION
5
Patent #:
Issue Dt:
04/24/2001
Application #:
09489103
Filing Dt:
01/21/2000
Title:
High temperature voltage regulator circuit
6
Patent #:
Issue Dt:
11/11/2003
Application #:
10017116
Filing Dt:
12/14/2001
Publication #:
Pub Dt:
06/19/2003
Title:
SHAPED CHARGE TUBING CUTTER PERFORMANCE TEST APPARATUS AND METHOD
7
Patent #:
Issue Dt:
07/08/2003
Application #:
10096462
Filing Dt:
03/12/2002
Title:
ISOLATOR BAR FOR ACOUSTIC INSTRUMENTS USED IN DOWNHOLE FORMATIONS
8
Patent #:
Issue Dt:
01/11/2005
Application #:
10371289
Filing Dt:
02/21/2003
Publication #:
Pub Dt:
10/14/2004
Title:
SHAPED CHARGE LINER
9
Patent #:
Issue Dt:
07/11/2006
Application #:
10700221
Filing Dt:
11/03/2003
Publication #:
Pub Dt:
10/21/2004
Title:
SHAPED CHARGE TUBING CUTTER
10
Patent #:
Issue Dt:
05/12/2009
Application #:
10762182
Filing Dt:
01/21/2004
Publication #:
Pub Dt:
12/08/2005
Title:
EXPLOSIVE PIPE SEVERING TOOL
11
Patent #:
Issue Dt:
11/01/2005
Application #:
10783288
Filing Dt:
02/20/2004
Publication #:
Pub Dt:
10/14/2004
Title:
EXPLOSIVE PIPE SEVERING TOOL
12
Patent #:
Issue Dt:
10/03/2006
Application #:
10911485
Filing Dt:
08/05/2004
Publication #:
Pub Dt:
02/09/2006
Title:
COMPOUND OPTICAL COUPLER AND SUPPORT MECHANISM
13
Patent #:
Issue Dt:
12/04/2007
Application #:
11033234
Filing Dt:
01/11/2005
Publication #:
Pub Dt:
07/13/2006
Title:
FREE POINT TOOL WITH LOW MASS SENSOR
14
Patent #:
Issue Dt:
12/12/2006
Application #:
11069704
Filing Dt:
03/01/2005
Publication #:
Pub Dt:
09/01/2005
Title:
SHAPED CHARGE TUBING CUTTER
15
Patent #:
Issue Dt:
06/03/2008
Application #:
11347567
Filing Dt:
02/06/2006
Publication #:
Pub Dt:
08/31/2006
Title:
COMPOUND OPTICAL COUPLER AND SUPPORT MECHANISM
16
Patent #:
Issue Dt:
04/20/2010
Application #:
11442807
Filing Dt:
05/30/2006
Publication #:
Pub Dt:
11/30/2006
Title:
EXPLOSIVE PIPE SEVERING TOOL
17
Patent #:
Issue Dt:
05/26/2009
Application #:
11442899
Filing Dt:
05/30/2006
Publication #:
Pub Dt:
04/05/2007
Title:
EXPLOSIVE PIPE SEVERING TOOL
18
Patent #:
Issue Dt:
01/26/2010
Application #:
11712188
Filing Dt:
02/28/2007
Publication #:
Pub Dt:
08/28/2008
Title:
ONE TRIP SYSTEM FOR CIRCULATING, PERFORATING AND TREATING
19
Patent #:
Issue Dt:
02/03/2009
Application #:
11806215
Filing Dt:
05/30/2007
Publication #:
Pub Dt:
06/19/2008
Title:
COMPOUND OPTICAL COUPLER AND SUPPORT MECHANISM
20
Patent #:
Issue Dt:
08/31/2010
Application #:
11975048
Filing Dt:
10/17/2007
Publication #:
Pub Dt:
02/14/2008
Title:
LOW MASS SENSOR FOR FREE POINT TOOL
21
Patent #:
Issue Dt:
02/03/2009
Application #:
12068324
Filing Dt:
02/05/2008
Publication #:
Pub Dt:
07/17/2008
Title:
COMPOUND OPTICAL COUPLER AND SUPPORT MECHANISM
22
Patent #:
Issue Dt:
11/05/2013
Application #:
12221611
Filing Dt:
08/05/2008
Publication #:
Pub Dt:
04/21/2011
Title:
Apparatus and methods for controlling and communicating with downwhole devices
23
Patent #:
Issue Dt:
04/08/2014
Application #:
12451913
Filing Dt:
05/03/2010
Publication #:
Pub Dt:
11/11/2010
PCT #:
US0800200
Title:
TRACTOR COMMUNICATION/CONTROL AND SELECT FIRE PERFORATING SWITCH SIMULATIONS
24
Patent #:
NONE
Issue Dt:
Application #:
12934701
Filing Dt:
11/03/2010
Publication #:
Pub Dt:
03/17/2011
Title:
Apparatus and Methods for Controlling and Communicating with Downhole Devices
25
Patent #:
NONE
Issue Dt:
Application #:
12934701
Filing Dt:
11/03/2010
Publication #:
Pub Dt:
03/17/2011
PCT #:
US0904477
Title:
Apparatus and Methods for Controlling and Communicating with Downhole Devices
26
Patent #:
Issue Dt:
11/11/2014
Application #:
13869825
Filing Dt:
04/24/2013
Publication #:
Pub Dt:
11/14/2013
Title:
Apparatus and Methods for Controlling and Communicating with Downhole Devices
27
Patent #:
NONE
Issue Dt:
Application #:
14079139
Filing Dt:
11/13/2013
Publication #:
Pub Dt:
06/05/2014
Title:
Tractor Communication/Control and Select Fire Perforating Switch Simulations
Assignors
1
Exec Dt:
12/19/2013
2
Exec Dt:
12/19/2013
3
Exec Dt:
12/19/2013
Assignee
1
11785 HIGHWAY 152
PAMPA, TEXAS 79065
Correspondence name and address
ARNOLD, KNOBLOCH & SAUNDERS, L.L.P.
4900 WOODWAY DR., SUITE 900
HOUSTON, TX 77056

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