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

Assignor Name : VAN WINKLE, DENZAL WAYNE
Total Assignments: 10
Assignment: 1
Reel/Frame:009280/0737   Pages: 3
Recorded: 06/29/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VAN WINKLE, DENZAL WAYNE
Exec Dt:
06/24/1998
Assignee
1
TUBOSCOPE I/P INC.
2800 N. FRAZIER
CONROE, TEXAS 77305
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6006647
NONE
09074867
Correspondence name and address
TIM COOK
FIVE GREENWAY PLAZA
SUITE 2900
HOUSTON, TX 77046
Assignment: 2
Reel/Frame:009284/0076   Pages: 3
Recorded: 06/24/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VAN WINKLE, DENZAL WAYNE
Exec Dt:
06/24/1998
Assignee
1
TUBOSCOPE 1/P INC.
2800 N. FRAZIER
CONROE, TEXAS 77305
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5961094
NONE
09103917
Correspondence name and address
TIM COOK
FIVE GREENWAY PLAZA
SUITE 2900
HOUSTON, TEXAS 77046
Assignment: 3
Reel/Frame:009469/0855   Pages: 3
Recorded: 09/15/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VAN WINKLE, DENZAL WAYNE
Exec Dt:
09/15/1998
Assignee
1
TUBOSCOPE I/P INC.
2800 N. FRAZIER
CONROE, TEXAS 77305
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6012528
NONE
09153531
Correspondence name and address
TIM COOK
FIVE GREENWAY PLAZA
SUITE 2900
HOUSTON, TEXAS 77046
Assignment: 4
Reel/Frame:009844/0738   Pages: 5
Recorded: 03/03/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN WINKLE, DENZAL WAYNE
Exec Dt:
02/12/1999
2
MCWHORTER, DAVID
Exec Dt:
02/23/1999
Assignee
1
TUBOSCOPE I/P INC.
2800 N. FRAZIER
CONROE, TEXAS 77305
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6164619
NONE
09226197
Correspondence name and address
TIM COOK
FIVE GREENWAY PLAZA, SUITE 2900
HOUSTON, TEXAS 77046
Assignment: 5
Reel/Frame:012926/0750   Pages: 4
Recorded: 05/20/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VAN WINKLE, DENZAL WAYNE
Exec Dt:
04/23/2002
Assignee
1
VARCO I/P
2000 WEST SAM HOUSTON PARKWAY, SUITE 1700
ONE BRIARLAKE PLAZA
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6742597
US20030213597
10151502
Correspondence name and address
BROWNING BUSHMAN P.C.
TIM COOK
5718 WESTHEIMER, SUITE 1800
HOUSTON, TEXAS 77057
Assignment: 6
Reel/Frame:015164/0879   Pages: 3
Recorded: 04/01/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VAN WINKLE, DENZAL WAYNE
Exec Dt:
12/22/2003
Assignee
1
VARCO I/P INC.
ONE BRIARLAKE PLAZA
2000 WEST SAM HOUSTON PARKWAY SOUTH 1700
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040124380
10696696
Correspondence name and address
TIM COOK
P.O. BOX 10107
LIBERTY, TX 77575
Assignment: 7
Reel/Frame:030778/0745   Pages: 4
Recorded: 07/11/2013
Attorney Dkt #:56.3044-1 CONTINUATION
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VAN WINKLE, DENZAL WAYNE
Exec Dt:
06/19/2009
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77019
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8770274
US20130299172
13939598
Correspondence name and address
THE JL SALAZAR LAW FIRM, PLLC
1934 W. GRAY STREET, SUITE 401
HOUSTON, TX 77019
Assignment: 8
Reel/Frame:023121/0737   Pages: 4
Recorded: 08/20/2009
Attorney Dkt #:NOV/TOT.36
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VAN WINKLE, DENZAL WAYNE
Exec Dt:
08/18/2009
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8567490
US20100319906
12488130
Correspondence name and address
TIM COOK
P.O. BOX 10107
LIBERTY, TX 77575
Assignment: 9
Reel/Frame:024509/0886   Pages: 4
Recorded: 06/09/2010
Attorney Dkt #:60.3122-1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VAN WINKLE, DENZAL WAYNE
Exec Dt:
04/16/2010
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DR.
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8875798
US20100270746
12761550
Correspondence name and address
JENNIE SALAZAR
1939 W. GRAY ST., SUITE 200
HOUSTON, TX 77019
Assignment: 10
Reel/Frame:027669/0491   Pages: 5
Recorded: 02/08/2012
Attorney Dkt #:56.3043
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MELANCON, JEFFREY THOMAS
Exec Dt:
11/29/2011
2
VAN WINKLE, DENZAL WAYNE
Exec Dt:
11/30/2011
3
DOUTY, JAMES ALLEN
Exec Dt:
11/30/2011
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9022126
US20120125622
13375646
Correspondence name and address
THE JL SALAZAR LAW FIRM
1934 W. GRAY
HOUSTON, TX 77019-4828

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