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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:020718/0733   Pages: 5
Recorded: 03/28/2008
Attorney Dkt #:09430.001001
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Total properties: 43
1
Patent #:
4909327
Issue Dt:
03/20/1990
Application #:
07301636
Filing Dt:
01/25/1989
Title:
MARINE RISER
2
Patent #:
5180137
Issue Dt:
01/19/1993
Application #:
07770181
Filing Dt:
10/02/1991
Title:
RAM TYPE BLOWOUT PREVENTER HAVING IMPROVED RAM FRONT PACKINGS
3
Patent #:
5125620
Issue Dt:
06/30/1992
Application #:
07770222
Filing Dt:
10/02/1991
Title:
RAM TYPE BLOWOUT PREVENTER HAVING IMPROVED RAM FRONT PACKING
4
Patent #:
5339864
Issue Dt:
08/23/1994
Application #:
08094513
Filing Dt:
07/20/1993
Title:
SAFETY SUB FOR RETAINING DRILLING FLUIDS
5
Patent #:
5430087
Issue Dt:
07/04/1995
Application #:
08116125
Filing Dt:
09/02/1993
Title:
CARBON BLACK PAIR WITH DIFFERENT PARTICLE SIZE AND IMPROVED RUBBER STOCK
6
Patent #:
5364064
Issue Dt:
11/15/1994
Application #:
08213623
Filing Dt:
03/15/1994
Title:
SAFETY SUB WITH ASYMMETRICAL WALL ELASTOMERIC CLOSURE FOR RETAINING DRILLING FLUIDS
7
Patent #:
5465759
Issue Dt:
11/14/1995
Application #:
08215903
Filing Dt:
03/22/1994
Title:
VARIABLE DIAMETER PIPE PROTECTOR
8
Patent #:
5542776
Issue Dt:
08/06/1996
Application #:
08259956
Filing Dt:
06/14/1994
Title:
HOSE-TO WIRELINE CONNECTOR
9
Patent #:
5407172
Issue Dt:
04/18/1995
Application #:
08303595
Filing Dt:
09/09/1994
Title:
POSITION INSTRUMENTED BLOWOUT PREVENTER
10
Patent #:
RE37538
Issue Dt:
02/05/2002
Application #:
08548201
Filing Dt:
10/25/1995
Title:
RAM TYPE BLOWOUT PREVENTER
11
Patent #:
5638855
Issue Dt:
06/17/1997
Application #:
08599177
Filing Dt:
02/09/1996
Title:
LOW PROFILE AND LIGHTWEIGHT HIGH PRESSURE BLOWOUT PREVENTER
12
Patent #:
5906375
Issue Dt:
05/25/1999
Application #:
08617674
Filing Dt:
02/27/1996
Title:
RUBBER RIVETING OF MOLDED PARTS
13
Patent #:
5848643
Issue Dt:
12/15/1998
Application #:
08770719
Filing Dt:
12/19/1996
Title:
ROTATING BLOWOUT PREVENTER
14
Patent #:
5868168
Issue Dt:
02/09/1999
Application #:
08905850
Filing Dt:
08/04/1997
Title:
PULSATION DAMPENER DIAPHRAGM
15
Patent #:
6032742
Issue Dt:
03/07/2000
Application #:
08987684
Filing Dt:
12/09/1997
Title:
BLOWOUT PREVENTER CONTROL SYSTEM
16
Patent #:
6302128
Issue Dt:
10/16/2001
Application #:
09027394
Filing Dt:
02/20/1998
Title:
BI-DIRECTIONAL ROTARY OUTPUT ACTUATOR
17
Patent #:
6089321
Issue Dt:
07/18/2000
Application #:
09039984
Filing Dt:
03/16/1998
Title:
PRESSURE BALANCED CHOKE AND KILL LINE CONNECTOR
18
Patent #:
6003548
Issue Dt:
12/21/1999
Application #:
09121752
Filing Dt:
07/23/1998
Title:
PRESSURE VESSEL CLAMP CONNECTOR
19
Patent #:
6173770
Issue Dt:
01/16/2001
Application #:
09196875
Filing Dt:
11/20/1998
Title:
SHEAR RAM FOR RAM-TYPE BLOWOUT PREVENTER
20
Patent #:
6338385
Issue Dt:
01/15/2002
Application #:
09548807
Filing Dt:
04/14/2000
Title:
Retrievable downhole adjustable choke
21
Patent #:
6554247
Issue Dt:
04/29/2003
Application #:
09849819
Filing Dt:
05/04/2001
Publication #:
US20020162981
Pub Dt:
11/07/2002
Title:
QUICK RELEASE BLOWOUT PREVENTER BONNET
22
Patent #:
7096960
Issue Dt:
08/29/2006
Application #:
10322038
Filing Dt:
12/17/2002
Publication #:
US20030085040
Pub Dt:
05/08/2003
Title:
MOUNTS FOR BLOWOUT PREVENTER BONNETS
23
Patent #:
6845959
Issue Dt:
01/25/2005
Application #:
10424698
Filing Dt:
04/28/2003
Publication #:
US20040021102
Pub Dt:
02/05/2004
Title:
QUICK RELEASE BLOWOUT PREVENTER BONNET
24
Patent #:
7562911
Issue Dt:
07/21/2009
Application #:
11337994
Filing Dt:
01/24/2006
Publication #:
US20070170722
Pub Dt:
07/26/2007
Title:
WEDGE THREAD WITH SEALING METAL
25
Patent #:
8113544
Issue Dt:
02/14/2012
Application #:
11400351
Filing Dt:
04/07/2006
Publication #:
US20070236006
Pub Dt:
10/11/2007
Title:
ROTATING FLUID UNION
26
Patent #:
NONE
Issue Dt:
Application #:
11450615
Filing Dt:
06/09/2006
Publication #:
US20070286745
Pub Dt:
12/13/2007
Title:
Integrated mixing pump
27
Patent #:
7246666
Issue Dt:
07/24/2007
Application #:
11465331
Filing Dt:
08/17/2006
Publication #:
US20060283602
Pub Dt:
12/21/2006
Title:
MOUNTS FOR BLOWOUT PREVENTER BONNETS
28
Patent #:
8702106
Issue Dt:
04/22/2014
Application #:
11489995
Filing Dt:
07/20/2006
Publication #:
US20080017814
Pub Dt:
01/24/2008
Title:
Pressure energized radial seal
29
Patent #:
7721401
Issue Dt:
05/25/2010
Application #:
11528873
Filing Dt:
09/28/2006
Publication #:
US20100095507
Pub Dt:
04/22/2010
Title:
REINFORCEMENT OF IRREGULAR PRESSURE VESSELS
30
Patent #:
8149133
Issue Dt:
04/03/2012
Application #:
11551576
Filing Dt:
10/20/2006
Publication #:
US20080094247
Pub Dt:
04/24/2008
Title:
MUX BOP DATABASE MIRRORING
31
Patent #:
NONE
Issue Dt:
Application #:
11555984
Filing Dt:
11/02/2006
Publication #:
US20080105340
Pub Dt:
05/08/2008
Title:
Heat Treatment Method of Inlaid Pressure Vessels
32
Patent #:
8740174
Issue Dt:
06/03/2014
Application #:
11609585
Filing Dt:
12/12/2006
Publication #:
US20080135791
Pub Dt:
06/12/2008
Title:
DUAL-DIRECTION RAM-TYPE BLOWOUT PREVENTER SEAL
33
Patent #:
NONE
Issue Dt:
Application #:
11626148
Filing Dt:
01/23/2007
Publication #:
US20080105341
Pub Dt:
05/08/2008
Title:
HEAT TREATMENT OF INLAID PRESSURE VESSELS
34
Patent #:
7832706
Issue Dt:
11/16/2010
Application #:
11675861
Filing Dt:
02/16/2007
Publication #:
US20080197306
Pub Dt:
08/21/2008
Title:
RAM BOP POSITION SENSOR
35
Patent #:
7849599
Issue Dt:
12/14/2010
Application #:
11680860
Filing Dt:
03/01/2007
Publication #:
US20080078554
Pub Dt:
04/03/2008
Title:
IMPUTING STRENGTH GRADIENT IN PRESSURE VESSELS
36
Patent #:
NONE
Issue Dt:
Application #:
11680982
Filing Dt:
03/01/2007
Publication #:
US20080078081
Pub Dt:
04/03/2008
Title:
HIGH PRESSURE-RATED RAM BLOWOUT PREVENTER AND METHOD OF MANUFACTURE
37
Patent #:
NONE
Issue Dt:
Application #:
11718705
Filing Dt:
01/13/2009
Publication #:
US20090127482
Pub Dt:
05/21/2009
Title:
HYDRAULIC RAMS
38
Patent #:
7703739
Issue Dt:
04/27/2010
Application #:
11767984
Filing Dt:
06/25/2007
Publication #:
US20080001107
Pub Dt:
01/03/2008
Title:
RAM BOP SHEAR DEVICE
39
Patent #:
NONE
Issue Dt:
Application #:
11829697
Filing Dt:
07/27/2007
Publication #:
US20080023917
Pub Dt:
01/31/2008
Title:
SEAL FOR BLOWOUT PREVENTER WITH SELECTIVE DEBONDING
40
Patent #:
8176933
Issue Dt:
05/15/2012
Application #:
11829707
Filing Dt:
07/27/2007
Publication #:
US20080066906
Pub Dt:
03/20/2008
Title:
ANNULAR BOP PACKING UNIT
41
Patent #:
NONE
Issue Dt:
Application #:
11829752
Filing Dt:
07/27/2007
Publication #:
US20080027693
Pub Dt:
01/31/2008
Title:
METHOD OF DESIGNING BLOWOUT PREVENTER SEAL USING FINITE ELEMENT ANALYSIS
42
Patent #:
7736556
Issue Dt:
06/15/2010
Application #:
11829811
Filing Dt:
07/27/2007
Publication #:
US20080023865
Pub Dt:
01/31/2008
Title:
REVISED CURE CYCLE FOR ANNULAR PACKING UNITS
43
Patent #:
NONE
Issue Dt:
Application #:
11962661
Filing Dt:
12/21/2007
Publication #:
US20090158591
Pub Dt:
06/25/2009
Title:
CLADDING FOR FATIGUE CONTROL
Assignor
1
HYDRIL COMPANY LP
Exec Dt:
06/29/2007
Assignee
1
HYDRIL GENERAL LLC
3300 NORTH SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS 77032-3411
Correspondence name and address
JEFFREY S. BERGMAN
1221 MCKINNEY
SUITE 2800
HOUSTON, TX 77010

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