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Patent Assignment Assignee Details
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Assignee Name : CAMCO DRILLING GROUP LIMITED
Total Assignments: 18
Assignment: 1
Reel/Frame:015293/0380   Pages: 3
Recorded: 10/27/2004
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
REED TOOL COMPANY LIMITED
Exec Dt:
04/03/1991
Assignee
1
CAMCO DRILLING GROUP LIMITED
OLDENDS LANE INDUSTRIAL EASTE
STONEHOUSE, UNITED KINGDOM GLOS GL10 3RQ
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4889017
NONE
07187811
 
4956238
NONE
07204688
 
4942933
NONE
07250930
 
4873895
NONE
07265237
 
4949598
NONE
07265238
 
4898252
NONE
07269780
 
4947945
NONE
07321772
 
5025874
NONE
07333120
 
4995887
NONE
07333297
 
5111895
NONE
07510160
 
5135061
NONE
07562115
Correspondence name and address
GRANT PRIDECO, L.P.
JEFFREY E. DALY
400 NO. HOUSTON PKWY E.
SUITE 900
HOUSTON, TX 77060
Assignment: 2
Reel/Frame:005966/0165   Pages: 2
Recorded: 12/23/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CLEGG, JOHN M.
Exec Dt:
11/26/1991
Assignee
1
CAMCO DRILLING GROUP LIMITED
HYCALOG, OLDENDS LANE INDUSTRIAL ESTATE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5186268
NONE
07785460
Correspondence name and address
MARGARET E. ANDERSON
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057
Assignment: 3
Reel/Frame:005968/0455   Pages: 2
Recorded: 12/30/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NEWTON, THOMAS A., JR.
Exec Dt:
11/26/1991
2
CLEGG, JOHN M.
Exec Dt:
12/23/1991
Assignee
1
CAMCO DRILLING GROUP LIMITED
HYCALOG, OLDENDS LANE INDUSTRIAL ESTATE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5163524
NONE
07785543
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057
Assignment: 4
Reel/Frame:005968/0767   Pages: 2
Recorded: 12/30/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NEWTON, THOMAS A., JR.
Exec Dt:
12/23/1991
2
CLEGG, JOHN M.
Exec Dt:
11/26/1991
Assignee
1
CAMCO DRILLING GROUP LIMITED
HYCALOG,OLDENDS LANE INDUSTRIAL ESTATE, STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5182563
NONE
07786835
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ANDERSON & BROOKHART
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057
Assignment: 5
Reel/Frame:006075/0443   Pages: 2
Recorded: 03/30/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
TAYLOR, MALCOLM R.
Exec Dt:
03/12/1992
2
KEOHANE, ANDREW
Exec Dt:
03/12/1992
Assignee
1
CAMCO DRILLING GROUP LIMITED
HYCALOG, OLDENDS LANE INDUSTRIAL ESTATE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5222566
NONE
07828425
Correspondence name and address
MARGARET E. ANDERSON
5718 WESTHEIMER, STE 1800
HOUSTON, TX 77057
Assignment: 6
Reel/Frame:006178/0609   Pages: 3
Recorded: 06/22/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
RUSSELL, MICHAEL K.
Exec Dt:
06/16/1992
2
BARR, JOHN D.
Exec Dt:
06/16/1992
Assignee
1
CAMCO DRILLING GROUP LIMITED
HYCALOG, OLDENDS LANE INDUSTRIAL ESTATE
STONEHOUSE GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5265682
NONE
07901748
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
7030 ARDMORE
HOUSTON, TX 77054
Assignment: 7
Reel/Frame:006735/0534   Pages: 2
Recorded: 10/21/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GRIFFIN, NIGEL DENNISS
Exec Dt:
09/29/1993
Assignee
1
CAMCO DRILLING GROUP LIMITED
OLDENDS LANE INDUSTRIAL ESTATE
STONEHOUSE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5348109
NONE
08131716
Correspondence name and address
SCOTT H. BROWN
CAMCO INTERNATIONAL INC.
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TX 77054
Assignment: 8
Reel/Frame:006952/0859   Pages: 2
Recorded: 04/21/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GRIFFIN, NIGEL DENNIS
Exec Dt:
01/11/1994
Assignee
1
CAMCO DRILLING GROUP LIMITED
OLDENDS LANE INDUSTRIAL ESTATE
STONEHOUSE
GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5487436
NONE
08183048
Correspondence name and address
SCOTT H. BROWN
CAMCO DRILLING GROUP LIMITED
OLDENDS LANE INDUSTRIAL ESTATES
STONEHOUSE
GLOUCESTERSHIRE, ENGLAND
Assignment: 9
Reel/Frame:007147/0359   Pages: 2
Recorded: 09/16/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
EVANS, STEPHEN MARTIN
Exec Dt:
05/06/1994
Assignee
1
CAMCO DRILLING GROUP LIMITED
OLDENDS LANE, INDUSTRIAL ESTATE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5425288
NONE
08249260
Correspondence name and address
SCOTT H. BROWN
CAMCO INTERNATIONAL INC.
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TEXAS 77221
Assignment: 10
Reel/Frame:007061/0723   Pages: 2
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GRIFFIN, NIGEL DENNIS
Exec Dt:
06/17/1994
Assignee
1
CAMCO DRILLING GROUP LIMITED
OLDENDS LANE INDUSTRIAL ESTATE
GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5421425
NONE
08270031
Correspondence name and address
SCOTT BROWN
CAMCO INTERNATIONAL INC.
P.O. BOX 14484
HOUSTON, TEXAS 77221
Assignment: 11
Reel/Frame:007306/0754   Pages: 2
Recorded: 02/03/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRIFFIN, NIGEL D.
Exec Dt:
11/09/1994
2
NEWTON, ALEX
Exec Dt:
11/09/1994
Assignee
1
CAMCO DRILLING GROUP LIMITED
OF HYCALOG
OLDENDS LANE INDUSTRIAL ESTATE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5598750
NONE
08337241
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TX 77221
Assignment: 12
Reel/Frame:007384/0414   Pages: 2
Recorded: 03/01/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MATTHIAS, TERRY R.
Exec Dt:
01/30/1995
2
GRIFFIN, NIGEL D.
Exec Dt:
01/03/1995
3
FULLER, JOHN M.
Exec Dt:
01/03/1995
Assignee
1
CAMCO DRILLING GROUP LIMITED
OLDENDS LANE INDUSTRIAL ESTATE STONHEHOUSE, GLOUCESTERSHIRE, ENGLAND
GLOUCESTERSHIRE,, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5590728
NONE
08337663
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
P.O. BOX 14484
HOUSTON, TX 77221
Assignment: 13
Reel/Frame:007576/0547   Pages: 2
Recorded: 07/31/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
COLEBROOK, MARK ANTHONY
Exec Dt:
07/19/1995
Assignee
1
CAMCO DRILLING GROUP LIMITED
OLDENDS LANE INDUSTRIAL ESTATE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5603385
NONE
08454992
Correspondence name and address
SCOTT H. BROWN
CAMCO INTERNATIONAL, INC.
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TX 77054
Assignment: 14
Reel/Frame:007576/0565   Pages: 2
Recorded: 07/31/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARR, JOHN DENZIL
Exec Dt:
07/19/1995
2
THORP, RICHARD EDWARD
Exec Dt:
07/19/1995
3
RUSSELL, ROBERT ANTHONY
Exec Dt:
07/19/1995
Assignee
1
CAMCO DRILLING GROUP LIMITED
OLDENDS LANE INDUSTRIAL ESTATE
STONEHOSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5520255
NONE
08455455
Correspondence name and address
CAMCO INTERNATIONAL, INC.
SCOTT H. BROWN
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TX 77054
Assignment: 15
Reel/Frame:008042/0252   Pages: 3
Recorded: 01/11/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEWTON, ALEX
Exec Dt:
12/14/1995
2
TAYLER, STEVEN
Exec Dt:
12/14/1995
3
MURDOCK, ANDREW
Exec Dt:
12/14/1995
4
CLEGG, JOHN M.
Exec Dt:
12/14/1995
Assignee
1
CAMCO DRILLING GROUP LIMITED
OLDENDS LANE INDUSTRIAL ESTATE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5671818
NONE
08541774
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
P.O. BOX 14484
HOUSTON, TX 77221
Assignment: 16
Reel/Frame:008891/0606   Pages: 2
Recorded: 12/24/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARTIN, KEVIN
Exec Dt:
07/07/1997
2
MESCALL, STEPHEN
Exec Dt:
07/07/1997
Assignee
1
CAMCO DRILLING GROUP LIMITED
LANE INDUSTRIAL ESTATE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5875849
NONE
08889289
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TX 77221
Assignment: 17
Reel/Frame:009163/0899   Pages: 2
Recorded: 05/01/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
FULLER, JOHN MICHAEL
Exec Dt:
03/12/1998
Assignee
1
CAMCO DRILLING GROUP LIMITED
LANE INDUSTRIAL ESTATE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5992549
NONE
08949178
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
7030 ARDMORE, P.O. BOX 14484
HOUSTON, TX 77221
Assignment: 18
Reel/Frame:009199/0571   Pages: 2
Recorded: 04/30/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TAYLOR, MALCOLM ROY
Exec Dt:
04/21/1998
2
GRIFFIN, NIGEL DENNIS
Exec Dt:
04/21/1998
3
ROBERTS, TOM SCOTT
Exec Dt:
04/21/1998
Assignee
1
CAMCO DRILLING GROUP LIMITED
LANE INDUSTRIAL ESTATE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6065554
NONE
08949224
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TX 77221

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