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Patent Assignment Assignor Details
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Assignor Name : COX, DON C.
Total Assignments: 25
Assignment: 1
Reel/Frame:004227/0910   Pages: 3
Recorded: 03/02/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIZER, PHILLIP S.
Exec Dt:
02/27/1984
2
COX, DON C.
Exec Dt:
02/27/1984
3
COUNCIL, MALCOLM N.
Exec Dt:
02/27/1984
Assignee
1
OTIS ENGINEERING CORPORATION
A DE CORP.
CARROLLTON, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4515220
NONE
06560866
Correspondence name and address
OTIS ENGINEERING CORPORATION
P.O. BOX 34380
DALLAS TX 75234
Assignment: 2
Reel/Frame:004306/0465   Pages: 3
Recorded: 09/24/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
COX, DON C.
Exec Dt:
09/18/1984
Assignee
1
OTIS ENGINEERING CORPORATION A CORP. OF DE
CARROLLTON,, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4576254
NONE
06577015
Correspondence name and address
ROLAND O. COX
P. O. BOX 810380
DALLAS, TX 75381
Assignment: 3
Reel/Frame:004474/0803   Pages: 3
Recorded: 11/04/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
COX, DON C.
Exec Dt:
10/30/1985
Assignee
1
OTIS ENGINEERING CORPORATION, CARROLLTON, DALLAS, TEXAS, A CORP OF
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4655291
NONE
06778790
Correspondence name and address
OTIS
P. O. BOX 34380
DALLAS, TEXAS, 75234
Assignment: 4
Reel/Frame:005008/0906   Pages: 2
Recorded: 01/17/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
COX, DON C.
Exec Dt:
01/10/1989
Assignee
1
OTIS ENGINEERING CORPORATION, A CORP. OF DE
CARROLLTON
DALLAS, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4940118
NONE
07264891
Correspondence name and address
ROLAND O. COX
P. O BOX 819052
DALLAS, TX 75381-9052
Assignment: 5
Reel/Frame:005258/0737   Pages: 3
Recorded: 03/23/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
COX, DON C.
Exec Dt:
03/20/1990
Assignee
1
OTIS ENGINEERING CORPORATION, A CORP. OF DE
CARROLLTON, DALLAS, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5027926
NONE
07484237
Correspondence name and address
ROLAND O. COX
P.O. BOX 819052
DALLAS, TX 75381-9052
Assignment: 6
Reel/Frame:005657/0816   Pages: 4
Recorded: 04/08/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
COX, DON C.
Exec Dt:
04/04/1991
Assignee
1
OTIS ENGINEERING CORPORATION, A CORP. OF DELAWARE
CARROLLTON
DALLAS, TEXAS 75381-9052
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5193614
NONE
07661517
Correspondence name and address
THOMAS R. FELGER
OTIS
P.O. BOX 819052
DALLAS, TEXAS 75381-9052
Assignment: 7
Reel/Frame:005657/0820   Pages: 4
Recorded: 04/08/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
COX, DON C.
Exec Dt:
04/04/1991
Assignee
1
OTIS ENGINEERING CORPORATION, A CORP. OF DELAWARE
CARROLLTON
COUNTY OF DALLAS, TEXAS 75381-9052
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5180014
NONE
07655086
Correspondence name and address
THOMAS R. FELGER
OTIS
P.O. BOX 819052
DALLAS, TEXAS 75381-9052
Assignment: 8
Reel/Frame:005810/0905   Pages: 4
Recorded: 08/23/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
COX, DON C.
Exec Dt:
08/19/1991
Assignee
1
OTIS ENGINEERING CORPORATION
A CORPORATION OF DE
DALLAS, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5156206
NONE
07722130
Correspondence name and address
THOMAS V. MALORZO
OTIS
P.O. BOX 819052
DALLAS, TX 75381-9052
Assignment: 9
Reel/Frame:006335/0582   Pages: 4
Recorded: 11/30/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
COX, DON C.
Exec Dt:
11/25/1992
Assignee
1
OTIS ENGINEERING CORPORATION
P.O. BOX 819052
PATENT DEPARTMENT
DALLAS, TEXAS 75381-9052
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5305988
NONE
07949939
Correspondence name and address
OTIS ENGINEERING CORPORATION
ROLAND O. COX
PATENT DEPARTMENT
P.O. BOX 819052
DALLAS, TEXAS 75381-9052
Assignment: 10
Reel/Frame:006756/0096   Pages: 3
Recorded: 11/01/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
COX, DON C.
Exec Dt:
10/27/1993
Assignee
1
HALLIBURTON COMPANY
P.O. BOX 819052
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
DALLAS, TEXAS 75381
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5361834
NONE
08116144
Correspondence name and address
LEGAL, INTELLECUTAL PROPERTY DEPT.
TRACY W. DRUCE
HALLIBURTON ENERGY SERVICES
MAIL CODE 1-E-135, P.O. BOX 819052
DALLAS, TX 75381
Assignment: 11
Reel/Frame:007276/0627   Pages: 5
Recorded: 12/27/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
COX, DON C.
Exec Dt:
12/14/1994
Assignee
1
HALLIBURTON COMPANY
P.O. BOX 819052
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
DALLAS, TEXAS 75381
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5564503
NONE
08296941
Correspondence name and address
TRACY W. DRUCE
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
HALLIBURTON ENERGY SERVICES
MAIL CODE 1-E-135, P.O. BOX 819052
DALLAS, TEXAS 75381
Assignment: 12
Reel/Frame:008550/0107   Pages: 3
Recorded: 03/14/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEUROTH, DAVID H.
Exec Dt:
03/13/1997
2
COX, DON C.
Exec Dt:
03/13/1997
3
BROOKBANK, EARL B.
Exec Dt:
03/13/1997
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5821452
NONE
08818543
Correspondence name and address
FELSMAN, BRADLEY, GUNTER & DILLON, LLP
JAMES E. BRADLEY
3600 ESSEX, SUITE 1120
HOUSTON, TX 77027
Assignment: 13
Reel/Frame:009021/0831   Pages: 4
Recorded: 02/06/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEUROTH, DAVID H.
Exec Dt:
12/30/1997
2
DALRYMPLE, LARRY
Exec Dt:
01/05/1998
3
BROOKBANK, EARL B.
Exec Dt:
01/06/1998
4
PINKSTON, TIM W.
Exec Dt:
01/07/1998
5
COX, DON C.
Exec Dt:
01/07/1998
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, #1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6143988
NONE
09019139
Correspondence name and address
FELSMAN, BRADLEY, GUNTER & DILLON, LLP
JAMES E. BRADLEY
3600 ESSEX, SUITE 1120
HOUSTON, TEXAS 77027
Assignment: 14
Reel/Frame:010204/0316   Pages: 3
Recorded: 08/23/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WILBOURN, PHILLIP R.
Exec Dt:
08/18/1999
2
PLUMMER, LEONARD M.
Exec Dt:
08/19/1999
3
COX, DON C.
Exec Dt:
08/18/1999
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, #1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6443780
US20020013093
09378905
Correspondence name and address
FELSMAN, BRADLEY, VADEN, ETAL
JAMES E. BRADLEY
ONE RIVERWAY, SUITE 1100
HOUSTON, TEXAS 77056
Assignment: 15
Reel/Frame:010278/0175   Pages: 7
Recorded: 09/27/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEARDEN, JOHN L.
Exec Dt:
09/08/1999
2
BEBAK, KENNETH T.
Exec Dt:
09/13/1999
3
BROOKBANK, EARL BRUCE
Exec Dt:
09/22/1999
4
COX, DON C.
Exec Dt:
09/10/1999
5
FORDYCE, RONALD S.
Exec Dt:
09/23/1999
6
NEUROTH, DAVID H.
Exec Dt:
09/10/1999
7
TEZLAFF, STEVEN K.
Exec Dt:
09/24/1999
Assignee
1
BAKER HUGHES INCORPORATED
#1200
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6328111
NONE
09406316
Correspondence name and address
FELSMAN, BRADLEY, VADEN, GUNTER & DILLON
JAMES E. BRADLEY
ONE RIVERWAY
SUITE 1100
HOUSTON, TX 77056
Assignment: 16
Reel/Frame:011146/0531   Pages: 2
Recorded: 09/11/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
COX, DON C.
Exec Dt:
09/06/2000
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, #1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6361342
NONE
09658073
Correspondence name and address
FELSMAN, BRADLEY, VADEN, GUNTER & DILLON
JAMES E. BRADLEY
ONE RIVERWAY, SUITE 1100
HOUSTON, TX 77056
Assignment: 17
Reel/Frame:011289/0710   Pages: 4
Recorded: 11/08/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEBAK, KENNETH T.
Exec Dt:
10/24/2000
2
MACK, JOHN J.
Exec Dt:
11/01/2000
3
BROOKBANK, EARL B.
Exec Dt:
11/01/2000
4
COX, DON C.
Exec Dt:
11/01/2000
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, #1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6571879
NONE
09708350
Correspondence name and address
FELSMAN, BRADLEY, VADEN, GUNTER
& DILLON, LLP
JAMES E. BRADLEY
ONE RIVERWAY, SUITE 1100
HOUSTON, TEXAS 77056
Assignment: 18
Reel/Frame:011686/0784   Pages: 2
Recorded: 04/02/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
COX, DON C.
Exec Dt:
04/02/2001
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, #1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6536526
US20020139533
09824283
Correspondence name and address
BRACEWELL & PATTERSON, L.L.P.
JAMES E. BRADLEY
P.O. BOX 61389
HOUSTON, TEXAS 77208-1389
Assignment: 19
Reel/Frame:012402/0571   Pages: 4
Recorded: 08/27/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEUROTH, DAVID H.
Exec Dt:
08/27/2001
2
WILBOURN, PHILLIP R.
Exec Dt:
08/27/2001
3
DALRYMPLE, LARRY V.
Exec Dt:
08/27/2001
4
COX, DON C.
Exec Dt:
08/27/2001
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, #1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6585046
US20020023751
09939902
Correspondence name and address
BRACEWELL & PATTERSON, L.L.P.
JAMES E. BRADLEY
P.O. BOX 61389
HOUSTON, TX 77208-1389
Assignment: 20
Reel/Frame:012517/0523   Pages: 6
Recorded: 01/14/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DALRYMPLE, LARRY V.
Exec Dt:
01/02/2002
2
NEUROTH, DAVID H.
Exec Dt:
01/01/2002
3
WILBOURN, PHILLIP R.
Exec Dt:
01/02/2002
4
COX, DON C.
Exec Dt:
01/02/2002
5
WALLACE, THOMAS H.
Exec Dt:
01/02/2002
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, #1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6695062
US20030037927
10047294
Correspondence name and address
BRACEWELL & PATTERSON, L.L.P.
JAMES E. BRADLEY
P.O. BOX 61389
HOUSTON, TEXAS 77208-1389
Assignment: 21
Reel/Frame:015006/0435   Pages: 6
Recorded: 02/18/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DALRYMPLE, LARRY V.
Exec Dt:
01/02/2002
2
NEUROTH, DAVID H.
Exec Dt:
01/02/2002
3
WILBOURN, PHILLIP R.
Exec Dt:
01/02/2002
4
COX, DON C.
Exec Dt:
01/02/2002
5
WALLACE, THOMSON H.
Exec Dt:
01/02/2002
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, #1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7044223
US20040163801
10781365
Correspondence name and address
BRACEWELL & PATTERSON, L.L.P.
JAMES E. BRADLEY
P.O. BOX 61389
HOUSTON, TEXAS 77208-1389
Assignment: 22
Reel/Frame:019753/0275   Pages: 3
Recorded: 08/23/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
COX, DON C.
Exec Dt:
08/15/2007
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090053075
11841458
Correspondence name and address
JAMES E. BRADLEY
BRACEWELL & BIULIANI LLP
P.O. BOX 61389
HOUSTON, TEXAS 77208-1389
Assignment: 23
Reel/Frame:020395/0914   Pages: 3
Recorded: 01/22/2008
Attorney Dkt #:104-39303
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
COX, DON C.
Exec Dt:
01/14/2008
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100
HOUSTON, TEXAS 77208-1389
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7610964
US20090183879
12016591
Correspondence name and address
KEITH R. DERRINGTON (9010RF.045476)
BRACEWELL & GIULIANI LLP, P.O. BOX 61389
HOUSTON, TX 77208-1389
Assignment: 24
Reel/Frame:027258/0895   Pages: 8
Recorded: 11/21/2011
Attorney Dkt #:BAO0853US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUEST, RANDALL V.
Exec Dt:
09/19/2011
2
CHAKRABORTY, SOMA
Exec Dt:
09/15/2011
3
AGRAWAL, GAURAV
Exec Dt:
09/15/2011
4
COX, DON C.
Exec Dt:
10/24/2011
5
WANG, XIAOWEI
Exec Dt:
09/12/2011
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019-2118
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8678100
US20130062067
13229332
Correspondence name and address
CANTOR COLBURN LLP
20 CHURCH STREET
22ND FLOOR
HARTFORD, CT 06103
Assignment: 25
Reel/Frame:029420/0057   Pages: 3
Recorded: 12/06/2012
Attorney Dkt #:BAKR02900
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
COX, DON C.
Exec Dt:
12/03/2012
Assignee
1
BAKER HUGHES INCORPORATED
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9281675
US20140158379
13707040
Correspondence name and address
MARK L. BERRIER
1715 CAPITAL OF TEXAS HWY.
SUITE 200-E
AUSTIN, TX 78746

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