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Patent Assignment Assignor Details
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Assignor Name : CHEN, CHEN-KANG D.
Total Assignments: 8
Assignment: 1
Reel/Frame:009669/0690   Pages: 2
Recorded: 12/21/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOULTON, ROGER
Exec Dt:
12/18/1998
2
CHEN, CHEN-KANG D.
Exec Dt:
12/18/1998
3
GAYNOR, THOMAS C.
Exec Dt:
12/18/1998
4
RAO, VIKRAM
Exec Dt:
12/18/1998
Assignee
1
DRESSER INDUSTRIES, INC.
2001 ROSS AVENUE
DALLAS, TEXAS 75221
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6269892
NONE
09217764
Correspondence name and address
BROWNING BUSHMAN
LOREN G. HELMREICH
5718 WESTHEIMER, SUITE 1800
HOUSTON TX 77057
Assignment: 2
Reel/Frame:011926/0734   Pages: 7
Recorded: 06/22/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHEN-KANG D.
Exec Dt:
10/11/1999
2
GAYNOR, THOMAS M.
Exec Dt:
10/25/1999
3
GLEITMAN, DANIEL D.
Exec Dt:
10/11/1999
4
HARDIN, JOHN R., JR.
Exec Dt:
10/12/1999
5
WALKER, COLIN
Exec Dt:
10/21/1999
6
RAO, M. VIKRAM
Exec Dt:
10/13/1999
7
BOULTON, ROGER
Exec Dt:
10/26/1999
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6581699
NONE
09378023
Correspondence name and address
BROWNING BUSHMAN
LOREN G. HELMREICH
5718 WESTHEIMER
SUITE 1800
HOUSTON, TX 77057
Assignment: 3
Reel/Frame:013250/0361   Pages: 7
Recorded: 08/29/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOULTON, ROGER
Exec Dt:
10/26/1999
2
CHEN, CHEN-KANG D.
Exec Dt:
10/11/1999
3
GAYNOR, THOMAS C.
Exec Dt:
10/25/1999
4
GLEITMAN, DANIEL D.
Exec Dt:
10/11/1999
5
HARDIN, JOHN JR.
Exec Dt:
10/12/1999
6
RAO, M. VIKRAM
Exec Dt:
10/13/1999
7
WALKER, COLIN
Exec Dt:
10/21/1999
Assignee
1
HALLIBURTON ENERGY SERVICE, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7147066
US20030010534
10230709
Correspondence name and address
BROWNING BUSHMAN
LOREN G. HELMREICH
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057
Assignment: 4
Reel/Frame:018298/0776   Pages: 7
Recorded: 07/24/2006
Attorney Dkt #:SPERRY SUN-209-3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOULTON, ROGER
Exec Dt:
10/26/1999
2
CHEN, CHEN-KANG D.
Exec Dt:
10/11/1999
3
GAYNOR, THOMAS C.
Exec Dt:
10/25/1999
4
GLEITMAN, DANIEL D.
Exec Dt:
10/11/1999
5
HARDIN, JR., JOHN
Exec Dt:
10/12/1999
6
RAO, M. VIKRAM
Exec Dt:
10/13/1999
7
WALKER, COLIN
Exec Dt:
10/21/1999
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7621343
US20060266555
11491738
Correspondence name and address
LOREN G. HELMREICH
BROWNING BUSHMAN P.C.
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057
Assignment: 5
Reel/Frame:013432/0335   Pages: 2
Recorded: 10/28/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHEN-KANG D.
Exec Dt:
10/28/2002
2
SMITH JR., WILLIAM H.
Exec Dt:
10/28/2002
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6848518
US20040099444
10281542
Correspondence name and address
BROWING BUSHMAN, P.C.
LOREN G. HELMRICH
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057
Assignment: 6
Reel/Frame:013588/0416   Pages: 5
Recorded: 12/16/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHEN-KANG D.
Exec Dt:
12/16/2002
2
RAO, M. VIKRAM
Exec Dt:
12/16/2002
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6877570
US20040112639
10320164
Correspondence name and address
LOREN G. HEIMREICH
BROWNING BUSHMAN, P.C.
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057
Assignment: 7
Reel/Frame:014004/0368   Pages: 7
Recorded: 04/23/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHEN-KANG D.
Exec Dt:
04/15/2003
2
GLEITMAN, DANIEL D.
Exec Dt:
04/14/2003
3
RAO, M. VIKRAM
Exec Dt:
04/15/2003
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7213643
US20040211570
10421135
Correspondence name and address
LOREN G. HELMREICH
5718 WESTHEIMER
STE. 1800
HOUSTON, TX 77057
Assignment: 8
Reel/Frame:016454/0641   Pages: 4
Recorded: 06/30/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHEN-KANG D.
Exec Dt:
05/20/2005
2
RAO, M. VIKRAM
Exec Dt:
06/02/2005
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 NORTH SAM HOUSTON PARKWAY EAST
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7334649
US20050236187
11103186
Correspondence name and address
LOREN G. HELMREICH
BROWNING BUSHMAN P.C.
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057

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