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Patent Assignment Assignor Details
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Assignor Name : RAO, M. VIKRAM
Total Assignments: 22
Assignment: 1
Reel/Frame:004301/0869   Pages: 2
Recorded: 06/28/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
RAO, M. VIKRAM
Exec Dt:
04/28/1984
2
KALSI, MANMOHAN S.
Exec Dt:
04/28/1984
3
ALVAREZ, PATRICIO D.
Exec Dt:
04/28/1984
Assignee
1
NL INDUSTRIES, INC., A NJ CORP.
1230 AVENUE OF THE AMERICAS,
NEW YORK,, NEW YORK
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4613443
NONE
06625381
Correspondence name and address
CARL O. MC CLENNY
NL INDUSTRIES, INC.-OGC
P. O. BOX 60087
HOUSTON, TX 77205
Assignment: 2
Reel/Frame:004296/0042   Pages: 1
Recorded: 05/18/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
RAO, M. VIKRAM
Exec Dt:
05/11/1984
2
FONTENOT, JOHN E. JR.
Exec Dt:
05/11/1984
Assignee
1
NL INDUSTRIES, INC.
1230 AVENUE OF THE AMERICAS,
NEW YORK,, NEW YORK
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4566318
NONE
06595284
Correspondence name and address
WALTER R. BROOKHART
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 3
Reel/Frame:005865/0305   Pages: 4
Recorded: 09/30/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARTEL, ROGER P.
Exec Dt:
09/26/1991
2
RAO, M. VIKRAM
Exec Dt:
09/26/1991
3
RODNEY, PAUL F.
Exec Dt:
09/26/1991
Assignee
1
BAROID TECHNOLOGY, INC. A CORP. OF DELAWARE
3000 N. SAM HOUSTON PKWY EAST
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5278507
NONE
07715401
Correspondence name and address
WILLIAM E. JOHNSON, JR.
BROWNING, BUSHMAN, ANDERSON & BROOKHART
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 4
Reel/Frame:006660/0805   Pages: 3
Recorded: 07/26/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAO, M. VIKRAM
Exec Dt:
07/22/1993
2
WILSON, BOBBY T.
Exec Dt:
07/22/1993
3
MARSH, LABAN M.
Exec Dt:
07/22/1993
Assignee
1
SPERRY-SUN DRILLING SERVICES, INC.
3000 NORTH SAM HOUSTON PKWY E.
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5417295
NONE
08078702
Correspondence name and address
BROWNING, BUSHMAN, ANDERSON & BROOKHART
WILLIAM E. JOHNSON, JR.
5718 WESTHEIMER, SUITE 1800
HOUSTON, TEXAS 77057
Assignment: 5
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: 6
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: 7
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: 8
Reel/Frame:010711/0673   Pages: 2
Recorded: 03/27/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RAO, M. VIKRAM
Exec Dt:
03/21/2000
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6480118
NONE
09537455
Correspondence name and address
BROWNING BUSHMAN
LOREN G. HELMREICH
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057
Assignment: 9
Reel/Frame:013367/0641   Pages: 2
Recorded: 10/04/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RAO, M. VIKRAM
Exec Dt:
03/21/2000
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6791469
NONE
10264731
Correspondence name and address
BROWNING BUSHMAN, P.C.
LOREN G. HELMREICH
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057
Assignment: 10
Reel/Frame:012742/0437   Pages: 5
Recorded: 03/29/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAO, M. VIKRAM
Exec Dt:
01/24/2002
2
COE, JIMMY R.
Exec Dt:
02/27/2002
3
GIBSON, JOHN W.
Exec Dt:
02/15/2002
4
GLEITMAN, DANIEL D.
Exec Dt:
01/24/2002
5
RECTOR, SHARON
Exec Dt:
02/11/2002
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6931378
US20030110087
10013240
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
WILLIAM E. SHULL
BLDG. 1, 6TH FLOOR
4100 CLINTON DR.
HOUSTON, TX 77020-6299
Assignment: 11
Reel/Frame:012772/0814   Pages: 5
Recorded: 04/03/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GLEITMAN, DANIEL D.
Exec Dt:
01/24/2002
2
COE, JIMMY R.
Exec Dt:
02/27/2002
3
GIBSON, JOHN W.
Exec Dt:
02/15/2002
4
RAO, M. VIKRAM
Exec Dt:
01/24/2002
5
RECTOR, SHARON
Exec Dt:
02/11/2002
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030110183
10012995
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
WILLIAM E. SHULL
4100 CLINTON DRIVE
BLDG. 1, 6TH FLOOR
HOUSTON, TX 77020-6299
Assignment: 12
Reel/Frame:012772/0862   Pages: 3
Recorded: 04/03/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GIBSON, JOHN W.
Exec Dt:
02/15/2002
2
RAO, M. VIKRAM
Exec Dt:
01/24/2002
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030110184
10013268
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
WILLIAM E. SHULL
BLDG. 1, 6TH FLOOR
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020-6299
Assignment: 13
Reel/Frame:013303/0097   Pages: 4
Recorded: 09/13/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROTHERS, LANCE E.
Exec Dt:
09/12/2002
2
RAO, M. VIKRAM
Exec Dt:
09/10/2002
3
CULOTTA, ANNE M.
Exec Dt:
09/09/2002
Assignee
1
HALIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7040404
US20030116319
10243001
Correspondence name and address
HALIBURTON ENERGY SERVICES
CRAIG W. RODDY
2600 SOUTH SECOND STREET
DUNCAN, OK 73536-0440
Assignment: 14
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: 15
Reel/Frame:014071/0748   Pages: 25
Recorded: 05/16/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WYLIE, GLENDA
Exec Dt:
03/25/2003
2
ZAMORA, FRANK
Exec Dt:
03/24/2003
3
MURALI, BEEGAMUDRE N.
Exec Dt:
03/25/2003
4
TERRY, JAMES B.
Exec Dt:
04/10/2003
5
EVERETT BROTHERS, LANCE
Exec Dt:
03/27/2003
6
PALMER, ANTHONY VANN
Exec Dt:
03/25/2003
7
REDDY, BAIREDDY R.
Exec Dt:
03/25/2003
8
EOFF, LARRY S.
Exec Dt:
03/25/2003
9
WEAVER, JIMMIE D.
Exec Dt:
03/25/2003
10
WILSON, JOHN M.
Exec Dt:
03/25/2003
11
FITSGERALD, RUSSELL M.
Exec Dt:
03/27/2003
12
RAO, M. VIKRAM
Exec Dt:
04/02/2003
13
CULOTTA, ANNE M.
Exec Dt:
04/07/2003
14
BOULTON, ROGER
Exec Dt:
03/24/2003
15
CHEN, CHEN-KANG DAVID
Exec Dt:
03/24/2003
16
GAYNOR, THOMAS M.
Exec Dt:
03/21/2003
17
HARDIN, JOHN
Exec Dt:
03/27/2003
18
GLEITMAN, DANIEL
Exec Dt:
03/27/2003
19
WALKER, COLIN
Exec Dt:
04/03/2003
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BLVD.
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7066284
US20040149431
10293013
Correspondence name and address
CONLEY ROSE P.C
DAVID A. ROSE
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 16
Reel/Frame:026680/0180   Pages: 25
Recorded: 08/01/2011
Attorney Dkt #:1391-27615
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WYLIE, GLENDA
Exec Dt:
03/25/2003
2
MURALI, BEEGAMUDRE N.
Exec Dt:
03/25/2003
3
RAO, M. VIKRAM
Exec Dt:
04/02/2003
4
CULOTTA, ANNE M.
Exec Dt:
04/07/2003
5
ZAMORA, FRANK
Exec Dt:
03/24/2003
6
TERRY, JAMES B.
Exec Dt:
04/10/2003
7
BROTHERS, LANCE EVERETT
Exec Dt:
03/27/2003
8
PALMER, ANTHONY VANN
Exec Dt:
03/25/2003
9
REDDY, BAIREDDY R.
Exec Dt:
03/25/2003
10
EOFF, LARRY S.
Exec Dt:
03/25/2003
11
WEAVER, JIMMIE D.
Exec Dt:
03/25/2003
12
WILSON, JOHN M.
Exec Dt:
03/25/2003
13
FITSGERALD, RUSSELL M.
Exec Dt:
03/27/2003
14
BOULTON, ROGER
Exec Dt:
04/07/2003
15
CHEN, CHEN-KANG DAVID
Exec Dt:
03/24/2003
16
GAYNOR, THOMAS M.
Exec Dt:
03/21/2003
17
HARDIN, JOHN
Exec Dt:
03/27/2003
18
GLEITMAN, DANIEL
Exec Dt:
03/27/2003
19
WALKER, COLIN
Exec Dt:
04/03/2003
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8011446
US20090308616
12486400
Correspondence name and address
COLLIN A. ROSE
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 17
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: 18
Reel/Frame:014371/0752   Pages: 3
Recorded: 07/30/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RAO, M. VIKRAM
Exec Dt:
07/16/2003
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BLVD.
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7871702
US20050022991
10631954
Correspondence name and address
HALLIBURTON ENERGY SERVICES
ROBERT A. KENT
2600 SOUTH 2ND STREET
DUNCAN, OK 73536
Assignment: 19
Reel/Frame:030203/0361   Pages: 3
Recorded: 04/12/2013
Attorney Dkt #:086108-0345
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RAO, M. VIKRAM
Exec Dt:
07/16/2003
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8047289
US20100319917
12870220
Correspondence name and address
MCDERMOTT WILL & EMERY LLP
500 NORTH CAPITOL STREET, N.W.
WASHINGTON, DC 20001
Assignment: 20
Reel/Frame:014778/0061   Pages: 12
Recorded: 12/10/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHENKANG D.
Exec Dt:
11/26/2003
2
GLEITMAN, DANIEL D.
Exec Dt:
12/01/2003
3
RAO, M. VIKRAM
Exec Dt:
11/24/2003
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7066271
US20050109510
10721042
Correspondence name and address
ALAN C. BRYSON
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057
Assignment: 21
Reel/Frame:015784/0482   Pages: 4
Recorded: 09/09/2004
Attorney Dkt #:1880.043US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAO, M. VIKRAM
Exec Dt:
09/08/2004
2
RODNEY, PAUL F.
Exec Dt:
09/08/2004
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BLVD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060049345
10937176
Correspondence name and address
SCHWEGMAN, LUNDBERG, WOESSNER & KLUTH PA
GREGG A PEACOCK
P.O. BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 22
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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