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Patent Assignment Details
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Reel/Frame:049827/0769   Pages: 26
Recorded: 07/23/2019
Attorney Dkt #:WFT TO WTH 5-16-2019
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 27
1
Patent #:
6425444
Issue Dt:
07/30/2002
Application #:
09470154
Filing Dt:
12/22/1999
Publication #:
US20020060079
Pub Dt:
05/23/2002
Title:
METHOD AND APPARATUS FOR DOWNHOLE SEALING
2
Patent #:
6494262
Issue Dt:
12/17/2002
Application #:
09642447
Filing Dt:
08/18/2000
Title:
NON-CRYOGENIC PRODUCTION OF NITROGEN FOR ON-SITE INJECTION IN WELL CLEAN OUT
3
Patent #:
6527047
Issue Dt:
03/04/2003
Application #:
09762698
Filing Dt:
05/10/2001
Title:
METHOD AND APPARATUS FOR CONNECTING TUBULARS USING A TOP DRIVE
4
Patent #:
6742596
Issue Dt:
06/01/2004
Application #:
09860127
Filing Dt:
05/17/2001
Publication #:
US20020170720
Pub Dt:
11/21/2002
Title:
APPARATUS AND METHODS FOR TUBULAR MAKEUP INTERLOCK
5
Patent #:
6622796
Issue Dt:
09/23/2003
Application #:
09868438
Filing Dt:
09/04/2001
Title:
APPARATUS AND METHOD FOR FACILITATING THE CONNECTION OF TUBULARS USING A TOP DRIVE
6
Patent #:
6725938
Issue Dt:
04/27/2004
Application #:
09868790
Filing Dt:
09/04/2001
Title:
APPARATUS AND METHOD FOR FACILITATING THE CONNECTION OF TUBULARS USING A TOP DRIVE
7
Patent #:
6592334
Issue Dt:
07/15/2003
Application #:
10036737
Filing Dt:
12/21/2001
Publication #:
US20030118452
Pub Dt:
06/26/2003
Title:
HYDRAULIC MULTIPHASE PUMP
8
Patent #:
6688400
Issue Dt:
02/10/2004
Application #:
10145599
Filing Dt:
05/14/2002
Publication #:
US20020195256
Pub Dt:
12/26/2002
Title:
DOWNHOLE SEALING
9
Patent #:
6929068
Issue Dt:
08/16/2005
Application #:
10315734
Filing Dt:
12/10/2002
Publication #:
US20030075320
Pub Dt:
04/24/2003
Title:
NON-CRYOGENIC PRODUCTION OF NITROGEN FOR ON-SITE INJECTION IN WELL CLEAN OUT
10
Patent #:
6688398
Issue Dt:
02/10/2004
Application #:
10354226
Filing Dt:
01/29/2003
Publication #:
US20030111233
Pub Dt:
06/19/2003
Title:
METHOD AND APPARATUS FOR CONNECTING TUBULARS USING A TOP DRIVE
11
Patent #:
6915686
Issue Dt:
07/12/2005
Application #:
10364311
Filing Dt:
02/11/2003
Publication #:
US20040154390
Pub Dt:
08/12/2004
Title:
DOWNHOLE SUB FOR INSTRUMENTATION
12
Patent #:
7712523
Issue Dt:
05/11/2010
Application #:
10389483
Filing Dt:
03/14/2003
Publication #:
US20030173073
Pub Dt:
09/18/2003
Title:
TOP DRIVE CASING SYSTEM
13
Patent #:
6966367
Issue Dt:
11/22/2005
Application #:
10606652
Filing Dt:
06/26/2003
Publication #:
US20040031622
Pub Dt:
02/19/2004
Title:
METHODS AND APPARATUS FOR DRILLING WITH A MULTIPHASE PUMP
14
Patent #:
7073598
Issue Dt:
07/11/2006
Application #:
10625840
Filing Dt:
07/23/2003
Publication #:
US20040069500
Pub Dt:
04/15/2004
Title:
APPARATUS AND METHODS FOR TUBULAR MAKEUP INTERLOCK
15
Patent #:
7021374
Issue Dt:
04/04/2006
Application #:
10738950
Filing Dt:
12/17/2003
Publication #:
US20040149451
Pub Dt:
08/05/2004
Title:
METHOD AND APPARATUS FOR CONNECTING TUBULARS USING A TOP DRIVE
16
Patent #:
7168497
Issue Dt:
01/30/2007
Application #:
10748592
Filing Dt:
12/30/2003
Publication #:
US20040149454
Pub Dt:
08/05/2004
Title:
DOWNHOLE SEALING
17
Patent #:
6938697
Issue Dt:
09/06/2005
Application #:
10801514
Filing Dt:
03/16/2004
Publication #:
US20040173358
Pub Dt:
09/09/2004
Title:
APPARATUS AND METHODS FOR TUBULAR MAKEUP INTERLOCK
18
Patent #:
7213656
Issue Dt:
05/08/2007
Application #:
10831864
Filing Dt:
04/26/2004
Publication #:
US20040194965
Pub Dt:
10/07/2004
Title:
APPARATUS AND METHOD FOR FACILITATING THE CONNECTION OF TUBULARS USING A TOP DRIVE
19
Patent #:
7243543
Issue Dt:
07/17/2007
Application #:
11018944
Filing Dt:
12/21/2004
Publication #:
US20050097955
Pub Dt:
05/12/2005
Title:
HIGHLY SENSITIVE ACCELEROMETER
20
Patent #:
7066247
Issue Dt:
06/27/2006
Application #:
11225466
Filing Dt:
09/13/2005
Publication #:
US20060005999
Pub Dt:
01/12/2006
Title:
METHODS AND APPARATUS FOR DRILLING WITH A MULTIPHASE PUMP
21
Patent #:
7353880
Issue Dt:
04/08/2008
Application #:
11560211
Filing Dt:
11/15/2006
Publication #:
US20070084598
Pub Dt:
04/19/2007
Title:
METHOD AND APPARATUS FOR CONNECTING TUBULARS USING A TOP DRIVE
22
Patent #:
7665531
Issue Dt:
02/23/2010
Application #:
11600314
Filing Dt:
11/15/2006
Publication #:
US20070074876
Pub Dt:
04/05/2007
Title:
APPARATUS FOR FACILITATING THE CONNECTION OF TUBULARS USING A TOP DRIVE
23
Patent #:
7503215
Issue Dt:
03/17/2009
Application #:
11777799
Filing Dt:
07/13/2007
Publication #:
US20080011082
Pub Dt:
01/17/2008
Title:
HIGHLY SENSITIVE ACCELEROMETER
24
Patent #:
7896084
Issue Dt:
03/01/2011
Application #:
11872307
Filing Dt:
10/15/2007
Publication #:
US20080083540
Pub Dt:
04/10/2008
Title:
APPARATUS AND METHODS FOR TUBULAR MAKEUP INTERLOCK
25
Patent #:
7793719
Issue Dt:
09/14/2010
Application #:
11932619
Filing Dt:
10/31/2007
Publication #:
US20080110637
Pub Dt:
05/15/2008
Title:
TOP DRIVE CASING SYSTEM
26
Patent #:
9046389
Issue Dt:
06/02/2015
Application #:
14076766
Filing Dt:
11/11/2013
Publication #:
US20140341501
Pub Dt:
11/20/2014
Title:
TIME DELAY COMPENSATION FOR OPTICAL WAVEGUIDES USING A BIDIRECTIONAL WAVELENGTH SCAN
27
Patent #:
NONE
Issue Dt:
Application #:
14455481
Filing Dt:
08/08/2014
Publication #:
US20150046092
Pub Dt:
02/12/2015
Title:
Global Calibration Based Reservoir Quality Prediction from Real-Time Geochemical Data Measurements
Assignor
1
WEATHERFORD/LAMB, INC.
Exec Dt:
05/16/2019
Assignee
1
WEATHERFORD TECHNOLOGY HOLDINGS, LLC
2000 ST JAMES PLACE
HOUSTON, TEXAS 77056
Correspondence name and address
KATIE BAKER
2000 ST JAMES PLACE
HOUSTON, TX 77056

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