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Patent Assignment Assignor Details
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Assignor Name : MCWHORTER, DAVID J.
Total Assignments: 17
Assignment: 1
Reel/Frame:011415/0591   Pages: 4
Recorded: 12/20/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JONES, DONALD L.
Exec Dt:
12/04/2000
2
MCWHORTER, DAVID J.
Exec Dt:
12/04/2000
3
WARD, RICHARD M.
Exec Dt:
12/04/2000
Assignee
1
TUBOSCOPE I/P INC.
2800 N. FRAZIER
CONROE, TEXAS 77305
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6484808
US20020074131
09742070
Correspondence name and address
FELSMAN, BRADLEY, VADEN, GUNTER
& DILLON, LLP
TIM COOK
ONE RIVERWAY 1100
HOUSTON, TEXAS 77056-1982
Assignment: 2
Reel/Frame:013256/0615   Pages: 3
Recorded: 08/30/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCWHORTER, DAVID J.
Exec Dt:
08/28/2002
2
MCCLANAHAN , PERRY LEE
Exec Dt:
08/28/2002
Assignee
1
VARCO INTERNATIONAL, INC.
2000 WEST SAM HOUSTON PARKWAY SOUTH SUITE 1700
ONE BRIAR LAKE PLAZA
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6843463
NONE
10232457
Correspondence name and address
BROWNING BUSHMAN P.C.
TIM COOK
5718 WESTHEIMER,
SUITE 1800
HOUSTON, TEXAS 77057
Assignment: 3
Reel/Frame:015682/0551   Pages: 3
Recorded: 01/30/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MCWHORTER, DAVID J.
Exec Dt:
01/26/2004
Assignee
1
VARCO I/P INC.
ONE BRIARLAKE PLAZA, 200 WEST SAM HOUSTON
PARKWAY SOUTH, SUITE 1700
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6974135
US20050006087
10769022
Correspondence name and address
LAW OFFICE OF TIM COOK, P.C.
TIM COOK
P.O. BOX 10107
LIBERTY TEXAS 77575
Assignment: 4
Reel/Frame:018732/0425   Pages: 4
Recorded: 01/09/2007
Attorney Dkt #:VARC.25
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCWHORTER, DAVID J.
Exec Dt:
09/16/2005
2
WARD, RICHARD M.
Exec Dt:
09/15/2005
Assignee
1
VARCO I/P INC.
10000 RICHMOND AVENUE
HOUSTON, TEXAS 77042-4200
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060076526
11162700
Correspondence name and address
TIM COOK
P.O. BOX 10107
LIBERTY, TX 77575
Assignment: 5
Reel/Frame:018153/0262   Pages: 6
Recorded: 08/22/2006
Attorney Dkt #:1600-14300 DVF
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WHITBY, MELVYN F.
Exec Dt:
08/18/2006
2
MANGAN, JOHN T.
Exec Dt:
08/18/2006
3
MCWHORTER, DAVID J.
Exec Dt:
08/18/2006
Assignee
1
CAMERON INTERNATIONAL CORPORATION
1333 WEST LOOP SOUTH
SUITE 1700
HOUSTON, TEXAS 77027-9109
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7338027
US20080048140
11466161
Correspondence name and address
DEREK V. FORINASH
P. O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 6
Reel/Frame:022252/0027   Pages: 6
Recorded: 02/12/2009
Attorney Dkt #:1600-14301
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WHITBY, MELVYN F.
Exec Dt:
08/18/2006
2
MANGAN, JOHN T.
Exec Dt:
08/18/2006
3
MCWHORTER, DAVID J.
Exec Dt:
08/18/2006
Assignee
1
CAMERON INTERNATIONAL CORPORATION
1333 WEST LOOP SOUTH, SUITE 1700
HOUSTON, TEXAS 77027-9919
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7637474
US20080099701
11967712
Correspondence name and address
COLLIN A. ROSE
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 7
Reel/Frame:021245/0123   Pages: 7
Recorded: 07/16/2008
Attorney Dkt #:1600-14801
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTRLA, JOHNNIE E.
Exec Dt:
07/01/2008
2
WHITBY, MELVYN F.
Exec Dt:
07/15/2008
3
MCWHORTER, DAVID J.
Exec Dt:
07/01/2008
4
CHIASSON, GLENN J.
Exec Dt:
06/30/2008
Assignee
1
CAMERON INTERNATIONAL CORPORATION
1333 WEST LOOP SOUTH, SUITE 1700
HOUSTON, TEXAS 77027-9919
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7921917
US20080302536
12134958
Correspondence name and address
COLLIN A. ROSE
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 8
Reel/Frame:025924/0477   Pages: 7
Recorded: 03/09/2011
Attorney Dkt #:1600-14803
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTRLA, JOHNNIE E.
Exec Dt:
07/01/2008
2
WHITBY, MELVYN F.
Exec Dt:
07/15/2008
3
MCWHORTER, DAVID J.
Exec Dt:
07/01/2008
4
CHIASSON, GLENN J.
Exec Dt:
06/30/2008
Assignee
1
CAMERON INTERNATIONAL CORPORATION
1333 WEST LOOP SOUTH, SUITE 1700
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8365830
US20110155386
13043660
Correspondence name and address
COLLIN A. ROSE
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 9
Reel/Frame:029562/0190   Pages: 7
Recorded: 01/03/2013
Attorney Dkt #:OTE-31063 US-CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTRLA, JOHNNIE E.
Exec Dt:
07/01/2008
2
WHITBY, MELVYN F.
Exec Dt:
07/15/2008
3
MCWHORTER, DAVID J.
Exec Dt:
07/01/2008
4
CHIASSON, GLENN J.
Exec Dt:
06/30/2008
Assignee
1
CAMERON INTERNATIONAL CORPORATION
1333 WEST LOOP SOUTH
SUITE 1700
HOUSTON, TEXAS 77027-9919
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8640775
US20130126764
13733477
Correspondence name and address
CHAMBERLAIN, HRDICKA, WHITE, WILLIAMS &
1200 SMITH STREET, 14TH FLOOR
HOUSTON, TX 77002
Assignment: 10
Reel/Frame:025027/0676   Pages: 5
Recorded: 09/22/2010
Attorney Dkt #:OTD-031170 (CMRN:0076)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WALKER, STEPHEN JOHN
Exec Dt:
03/09/2009
2
MCWHORTER, DAVID J.
Exec Dt:
03/09/2009
Assignee
1
CAMERON INTERNATIONAL CORPORATION
1333 WEST LOOP SOUTH, SUITE 1700
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9267335
US20110037257
12933861
Correspondence name and address
CAMERON INTERNATIONAL CORPORATION
P.O. BOX 1212
ATTN: PATENT SERVICES
HOUSTON, TX 77251-1212
Assignment: 11
Reel/Frame:046611/0813   Pages: 4
Recorded: 04/12/2018
Attorney Dkt #:DRL031170CON1_CMRN0076-1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WALKER, STEPHEN JOHN
Exec Dt:
03/09/2009
2
MCWHORTER, DAVID J.
Exec Dt:
03/09/2009
Assignee
1
CAMERON INTERNATIONAL CORPORATION
3505 W. SAM HOUSTON PARKWAY N.
HOUSTON, TEXAS 77043
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10746328
US20160327191
15019873
Correspondence name and address
CAMERON INTERNATIONAL CORPORATION
P.O. BOX 1212
ATTN: PATENT SERVICES
HOUSTON, TX 77251-1212
Assignment: 12
Reel/Frame:028592/0734   Pages: 3
Recorded: 07/19/2012
Attorney Dkt #:DRL-031818 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JURENA, JOHNNY E.
Exec Dt:
07/19/2012
2
MCWHORTER, DAVID J.
Exec Dt:
07/19/2012
3
GIBBS, CHARLES E.
Exec Dt:
07/19/2012
4
SHIMONEK, STEVEN F.
Exec Dt:
07/19/2012
Assignee
1
CAMERON INTERNATIONAL CORPORATION
1333 WEST LOOP SOUTH, SUITE 1700
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8944403
US20140021381
13553671
Correspondence name and address
CAMERON INTERNATIONAL CORPORATION
P.O. BOX 1212
ATTN: PATENT SERVICES
HOUSTON, TX 77251
Assignment: 13
Reel/Frame:028592/0775   Pages: 3
Recorded: 07/19/2012
Attorney Dkt #:DRL-031828 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JURENA, JOHNNY E.
Exec Dt:
07/19/2012
2
MCWHORTER, DAVID J.
Exec Dt:
07/19/2012
3
GIBBS, CHARLES E.
Exec Dt:
07/19/2012
4
SHIMONEK, STEVEN F.
Exec Dt:
07/19/2012
Assignee
1
CAMERON INTERNATIONAL CORPORATION
1333 WEST LOOP SOUTH, SUITE 1700
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9068427
US20140021382
13553682
Correspondence name and address
CAMERON INTERNATIONAL CORPORATION
P.O. BOX 1212
ATTN: PATENT SERVICES
HOUSTON, TX 77251
Assignment: 14
Reel/Frame:029350/0068   Pages: 10
Recorded: 11/26/2012
Attorney Dkt #:DRL-031777 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN WIJK, JOHANNES
Exec Dt:
11/05/2012
2
GAUDE, EDWARD C.
Exec Dt:
11/14/2012
3
MCWHORTER, DAVID J.
Exec Dt:
11/11/2012
4
WHITBY, MELVYN F.
Exec Dt:
11/08/2012
Assignee
1
CAMERON INTERNATIONAL CORPORATION
1333 WEST LOOP SOUTH
SUITE 1700
HOUSTON, TEXAS 77027-9919
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9140090
US20130098628
13654607
Correspondence name and address
CHAMBERLAIN HRDLICKA
1200 SMITH STREET
14TH FLOOR
HOUSTON, TX 77002
Assignment: 15
Reel/Frame:039880/0988   Pages: 10
Recorded: 09/28/2016
Attorney Dkt #:111078-027703US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIJK, JOHANNES VAN
Exec Dt:
11/05/2012
2
GAUDE, EDWARD C.
Exec Dt:
11/14/2012
3
WHITBY, MELVYN F.
Exec Dt:
11/08/2012
4
MCWHORTER, DAVID J.
Exec Dt:
11/11/2012
Assignee
1
CAMERON INTERNATIONAL CORPORATION
1333 WEST LOOP SOUTH
SUITE 1700
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9957768
US20160010418
14861598
Correspondence name and address
COLLIN A. ROSE
1200 SMITH STREET, 14TH FLOOR
CHAMBERLAIN HRDLICKA
HOUSTON, TX 77002
Assignment: 16
Reel/Frame:042198/0276   Pages: 10
Recorded: 05/01/2017
Attorney Dkt #:111078-027703US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAUDE, EDWARD C.
Exec Dt:
11/14/2012
2
MCWHORTER, DAVID J.
Exec Dt:
11/11/2012
3
WHITBY, MELVYN F.
Exec Dt:
11/08/2012
4
VAN WIJK, JOHANNES
Exec Dt:
11/05/2012
Assignee
1
CAMERON INTERNATIONAL CORPORATION
1333 WEST LOOP SOUTH
SUITE 1700
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9957768
US20160010418
14861598
Correspondence name and address
COLLIN A. ROSE
1200 SMITH STREET
14TH FLOOR
HOUSTON, TX 77002
Assignment: 17
Reel/Frame:035245/0939   Pages: 5
Recorded: 03/24/2015
Attorney Dkt #:DRL-031884
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCWHORTER, DAVID J.
Exec Dt:
11/07/2013
2
KENNEDY, MAC M.
Exec Dt:
11/13/2013
3
GAUDE, EDWARD C.
Exec Dt:
11/07/2013
Assignee
1
CAMERON INTERNATIONAL CORPORATION
1333 WEST LOOP SOUTH, SUITE 1700
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9291020
US20150198001
14667471
Correspondence name and address
EUBANKS PLLC
9720 CYPRESSWOOD DR.
SUITE 242
HOUSTON, TX 77070

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