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Patent Assignment Assignor Details
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Assignor Name : HENDERSON, WILLIAM DAVID
Total Assignments: 17
Assignment: 1
Reel/Frame:007209/0543   Pages: 4
Recorded: 10/20/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOLCOMBE, MICHAEL WAYNE
Exec Dt:
09/23/1994
2
ROTHERS, DAVID EUGENE
Exec Dt:
09/29/1994
3
OWENS, STEVE CRATUS
Exec Dt:
10/19/1994
4
HENDERSON, WILLIAM DAVID
Exec Dt:
10/05/1994
5
DOANE, JAMES CHRISTOPHER
Exec Dt:
09/23/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5558153
NONE
08326824
Correspondence name and address
STEVE ROSENBLATT
ROSENBLATT & ASSOCIATES, P.C.
ONE GREENWAY PLAZA
STE. 500
HOUSTON, TX 77046
Assignment: 2
Reel/Frame:007942/0186   Pages: 3
Recorded: 04/18/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DOANE, JAMES C.
Exec Dt:
02/29/1996
2
HENDERSON, WILLIAM DAVID
Exec Dt:
02/28/1996
3
JORDAN, HENRY JOE
Exec Dt:
02/28/1996
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5819854
NONE
08595884
Correspondence name and address
FISHMAN, DIONNE & CANTOR
KEITH J. MURPHY
88 DAY HILL ROAD
WINDSOR, CONNECTICUT 06095
Assignment: 3
Reel/Frame:011867/0977   Pages: 5
Recorded: 06/06/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAILEY, TRAVIS T., JR.
Exec Dt:
06/04/2001
2
HENDERSON, WILLIAM DAVID
Exec Dt:
05/31/2001
3
CROW, STEPHEN L.
Exec Dt:
05/31/2001
4
NGUYEN, PHILIP D.
Exec Dt:
05/23/2001
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
P.O. BOX 819052
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
DALLAS, TEXAS 75381
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6557634
US20020125006
09800199
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
WILLIAM M. IMWALLE
MAIL CODE 1-B-121
P.O. BOX 819052
DALLAS, TEXAS 75381
Assignment: 4
Reel/Frame:015066/0359   Pages: 7
Recorded: 03/09/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCGREGOR, RONALD W.
Exec Dt:
08/24/2001
2
HAILEY, TRAVIS T., JR.
Exec Dt:
08/23/2001
3
HENDERSON, WILLIAM DAVID
Exec Dt:
08/22/2001
4
CROW, ROBERT W.
Exec Dt:
08/29/2001
5
NGUYEN, PHILIP D.
Exec Dt:
08/23/2001
Assignee
1
HALLIBURTON ENERGY SERVICES
2601 BELTLINE ROAD
CARROLTON, TEXAS 75006
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6932157
US20040221988
10796467
Correspondence name and address
DANAMRAJ & YOUST
LAWRENCE R. YOUST
PREMIER PLACE, SUITE 1450
5910 N. CENTRAL EXPRESSWAY
DALLAS, TX 75206
Assignment: 5
Reel/Frame:012719/0115   Pages: 3
Recorded: 03/19/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HENDERSON, WILLIAM DAVID
Exec Dt:
03/13/2002
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
P.O. BOX 819052
DALLAS, TEXAS 75381
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6745844
US20030178205
10101684
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
WILLIAM M. IMWALLE
LEGAL INTELLECTUAL PROPERTY DEPARTMENT
P.O. BOX 819052
DALLAS, TEXAS 75381
Assignment: 6
Reel/Frame:014442/0167   Pages: 6
Recorded: 08/27/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CAMPBELL, PATRICK F.
Exec Dt:
07/29/2003
2
HENDERSON, WILLIAM DAVID
Exec Dt:
07/29/2003
3
SHIVERS, JAY B.
Exec Dt:
07/29/2003
4
DAWSON, MARK E.P.
Exec Dt:
07/30/2003
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
P.O. BOX 819052
LEGA, INTELLECTUAL PROPERTY DEPARTMENT
DALLAS, TEXAS 75381
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6997263
US20040020652
10427053
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
WILLIAM M. IMWALLE
P.O. BOX 819052, LEGAL, IP DEPT.
MAIL CODE 1-B-121
DALLAS, TEXAS 75381
Assignment: 7
Reel/Frame:015561/0105   Pages: 10
Recorded: 01/13/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCGREGOR, RONALD W.
Exec Dt:
12/06/2004
2
HAILEY, JR., TRAVIS T.
Exec Dt:
12/06/2004
3
HENDERSON, WILLIAM DAVID
Exec Dt:
12/09/2004
4
CROW, ROBERT W.
Exec Dt:
12/12/2004
5
NGUYEN, PHILIP D.
Exec Dt:
12/06/2004
6
HEJL, DAVID A.
Exec Dt:
01/05/2005
7
GIBSON, RONALD A.
Exec Dt:
12/06/2004
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7243724
US20050103494
10937152
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
2601 BELTLINE ROAD
1-B-121
CARROLLTON, TX 75006
Assignment: 8
Reel/Frame:029567/0844   Pages: 5
Recorded: 01/04/2013
Attorney Dkt #:2011-IP-050408 U1 PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCOTT, KEITH WAYNE
Exec Dt:
11/29/2012
2
HENDERSON, WILLIAM DAVID
Exec Dt:
01/04/2013
3
SCHAFER, DOUGLAS ALLEN
Exec Dt:
12/17/2012
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8757275
US20140020903
13878599
Correspondence name and address
LAWRENCE R. YOUST LAWRENCE YOUST PLLC
ONE WATERWAY COURT
SUITE 3B
THE WOODLANDS, TX 77380
Assignment: 9
Reel/Frame:032042/0098   Pages: 5
Recorded: 01/24/2014
Attorney Dkt #:61429-884941
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HENDERSON, WILLIAM DAVID
Exec Dt:
01/24/2014
2
HARMS, TIMOTHY EDWARD
Exec Dt:
01/24/2014
3
RICHARDS, WILLIAM MARK
Exec Dt:
01/24/2014
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9920587
US20160010421
14408394
Correspondence name and address
JOHN S. PRATT, ESQ.
KILPATRICK TOWNSEND & STOCKTON LLP
1100 PEACHTREE STR., STE. 2800
ATLANTA, GA 30309
Assignment: 10
Reel/Frame:034516/0381   Pages: 4
Recorded: 12/16/2014
Attorney Dkt #:61429-925806
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HENDERSON, WILLIAM DAVID
Exec Dt:
01/24/2014
2
HARMS, TIMOTHY EDWARD
Exec Dt:
01/24/2014
3
RICHARDS, WILLIAM MARK
Exec Dt:
01/24/2014
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9920587
US20160010421
14408394
Correspondence name and address
KILPATRICK TOWNSEND & STOCKTON LLP - HAL
1100 PEACHTREE STREET
SUITE 2800
ATLANTA, GA 30309
Assignment: 11
Reel/Frame:046444/0826   Pages: 4
Recorded: 07/24/2018
Attorney Dkt #:061429-1070209
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HENDERSON, WILLIAM DAVID
Exec Dt:
01/24/2014
2
HARMS, TIMOTHY EDWARD
Exec Dt:
01/24/2014
3
RICHARDS, WILLIAM MARK
Exec Dt:
01/24/2014
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10113387
US20180128074
15835643
Correspondence name and address
KILPATRICK TOWNSEND & STOCKTON LLP
1100 PEACHTREE STREET NE
SUITE 2800
ATLANTA, GA 30309
Assignment: 12
Reel/Frame:040190/0167   Pages: 8
Recorded: 11/01/2016
Attorney Dkt #:063718.6779
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RICHARDS, WILLIAM MARK
Exec Dt:
12/08/2014
2
HENDERSON, WILLIAM DAVID
Exec Dt:
12/08/2014
3
ROSS, COLBY MUNRO
Exec Dt:
12/15/2014
4
ROANE, THOMAS OWEN
Exec Dt:
12/05/2014
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10408005
US20170081938
15308315
Correspondence name and address
BAKER BOTTS L.L.P.
910 LOUISIANA STREET, ONE SHELL PLAZA
HOUSTON, TX 77002
Assignment: 13
Reel/Frame:042567/0753   Pages: 5
Recorded: 06/01/2017
Attorney Dkt #:7523.1582US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAVIS, JASON EARL
Exec Dt:
04/18/2016
2
HENDERSON, WILLIAM DAVID
Exec Dt:
03/29/2016
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10519750
US20180363417
15524937
Correspondence name and address
HAYNES AND BOONE, LLP
2323 VICTORY AVENUE, SUITE 700
IP SECTION
DALLAS, TX 75219
Assignment: 14
Reel/Frame:043530/0418   Pages: 4
Recorded: 09/08/2017
Attorney Dkt #:2014-098000 U1 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RICHARDS, WILLIAM MARK
Exec Dt:
11/10/2016
2
HENDERSON, WILLIAM DAVID
Exec Dt:
11/30/2016
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190203558
15556708
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC. C/O PA
14241 DALLAS PARKWAY
SUITE 620
DALLAS, TX 75254
Assignment: 15
Reel/Frame:048911/0844   Pages: 3
Recorded: 04/17/2019
Attorney Dkt #:7523.1971US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HENDERSON, WILLIAM DAVID
Exec Dt:
05/30/2018
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11041359
US20190345792
16382871
Correspondence name and address
HAYNES AND BOONE, LLP
2323 VICTORY AVENUE, SUITE 700
IP SECTION
DALLAS, TX 75219
Assignment: 16
Reel/Frame:051760/0138   Pages: 7
Recorded: 02/08/2020
Attorney Dkt #:7523.2070US01; WO01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YIN, WEIQI
Exec Dt:
12/17/2019
2
HENDERSON, WILLIAM DAVID
Exec Dt:
12/23/2019
3
GRECI, STEPHEN MICHAEL
Exec Dt:
12/17/2019
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11066909
US20210156235
16698043
Correspondence name and address
HAYNES AND BOONE, LLP
2323 VICTORY AVENUE, SUITE 700
IP SECTION
DALLAS, TX 75219
Assignment: 17
Reel/Frame:058086/0411   Pages: 7
Recorded: 11/11/2021
Attorney Dkt #:7523.2070US02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YIN, WEIQI
Exec Dt:
12/17/2019
2
HENDERSON, WILLIAM DAVID
Exec Dt:
12/23/2019
3
GRECI, STEPHEN MICHAEL
Exec Dt:
12/17/2019
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11542795
US20210324715
17349826
Correspondence name and address
HAYNES AND BOONE, LLP
2323 VICTORY AVENUE, SUITE 700
IP SECTION
DALLAS, TX 75219

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