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Patent Assignment Assignor Details
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Assignor Name : KERR, JOHN A.
Total Assignments: 15
Assignment: 1
Reel/Frame:011799/0312   Pages: 5
Recorded: 05/15/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KERR, JOHN A.
Exec Dt:
04/18/2001
2
MACKENZIE, RODERICK
Exec Dt:
04/19/2001
3
VAYNSHTEYN, VLADIMIR
Exec Dt:
04/24/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6536529
NONE
09712823
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 2
Reel/Frame:012488/0835   Pages: 5
Recorded: 01/14/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIMMERMAN, THOMAS H.
Exec Dt:
08/08/2001
2
KERR, JOHN A.
Exec Dt:
08/10/2001
3
CHRISTIE, ALAN
Exec Dt:
08/16/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6808021
US20020040783
09921026
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETION CENTER
JEFFREY E. GRIFFIN
ATTN: INTELLECTUAL PROPERTY COUNSEL
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583-1590
Assignment: 3
Reel/Frame:012489/0001   Pages: 8
Recorded: 01/14/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RYTLEWSKI, GARY L.
Exec Dt:
08/17/2001
2
ZIMMERMAN, THOMAS H.
Exec Dt:
08/08/2001
3
GOODE, PETER A.
Exec Dt:
08/10/2001
4
KISHINO, ASHLEY
Exec Dt:
08/17/2001
5
KERR, JOHN A.
Exec Dt:
08/10/2001
6
CHRISTIE, ALAN
Exec Dt:
08/16/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6763889
US20020040782
09920896
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETION CENTER
JEFFREY E. GRIFFIN
ATTN: INTELLECTUAL PROPERTY COUNSEL
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583-1590
Assignment: 4
Reel/Frame:012669/0189   Pages: 8
Recorded: 03/18/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RYTLEWSKI, GARY L.
Exec Dt:
08/17/2001
2
ZIMMERMAN, THOMAS H.
Exec Dt:
08/08/2001
3
GOODE, PETER A.
Exec Dt:
08/10/2001
4
KISHINO, ASHLEY
Exec Dt:
08/17/2001
5
KERR, JOHN A.
Exec Dt:
08/10/2001
6
CHRISTIE, ALAN
Exec Dt:
08/16/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6763889
US20020040782
09920896
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETION CENTER
JEFFREY H. GRIFFIN
INTELLECTUAL PROPERTY COUNSEL
14910 AIRLINE ROAD
ROSHARON, TX 77583-1590
Assignment: 5
Reel/Frame:012669/0273   Pages: 5
Recorded: 03/18/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZIMMERMAN, THOMAS H.
Exec Dt:
08/08/2001
2
KERR, JOHN A.
Exec Dt:
08/10/2001
3
CHRISTIE, ALAN
Exec Dt:
08/16/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6808021
US20020040783
09921026
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETION CENTER
JEFFREY E. GRIFFIN
14910 AIRLINE RD.
INTELLECTUAL PROPERTY COUNSEL
ROSHARON, TX 77583-1590
Assignment: 6
Reel/Frame:012827/0961   Pages: 4
Recorded: 04/22/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MACKENZIE, RODERICK
Exec Dt:
04/19/2002
2
KERR, JOHN A.
Exec Dt:
04/22/2002
3
JOHNSTON, ALAN J.
Exec Dt:
04/22/2002
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7123162
US20020154572
10127522
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETION CENTER
TIM W. CURINGTON
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583-1590
Assignment: 7
Reel/Frame:013007/0690   Pages: 6
Recorded: 06/13/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAVIDSON, KENNETH C.
Exec Dt:
06/10/2002
2
KERR, JOHN A.
Exec Dt:
06/13/2002
3
MACKENZIE, RODERICK
Exec Dt:
06/10/2002
4
JOHNSTON, ALAN J.
Exec Dt:
06/13/2002
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6725924
US20020189806
10170520
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
TIM W. CURINGTON
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 8
Reel/Frame:013008/0025   Pages: 11
Recorded: 06/13/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAVIDSON, KENNETH C.
Exec Dt:
06/10/2002
2
KERR, JOHN A.
Exec Dt:
06/13/2002
3
MACKENZIE, RODERICK
Exec Dt:
06/10/2002
4
JOHNSTON, ALAN J.
Exec Dt:
06/13/2002
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6681861
US20020189817
10170808
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 9
Reel/Frame:014415/0615   Pages: 11
Recorded: 08/15/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DEANS, GREGOR E.
Exec Dt:
08/13/2003
2
MACKENZIE, RODERICK
Exec Dt:
08/13/2003
3
KERR, JOHN A.
Exec Dt:
08/13/2003
4
MATHIS, DAVID J.
Exec Dt:
08/13/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583-1590
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7261162
US20040262008
10641652
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
PATENT COUNSELOR
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 10
Reel/Frame:015911/0511   Pages: 10
Recorded: 04/18/2005
Attorney Dkt #:22.1559
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KERR, JOHN A.
Exec Dt:
04/13/2005
2
BIRCH, MICHAEL
Exec Dt:
03/07/2005
3
SCRANTON, JOSEPH D.
Exec Dt:
04/04/2005
4
LEONARDI, TAUNA
Exec Dt:
03/02/2005
5
VESSELS, RANDALL S.
Exec Dt:
04/13/2005
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7914266
US20050220645
10907114
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 11
Reel/Frame:019253/0539   Pages: 2
Recorded: 05/04/2007
Attorney Dkt #:131985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KERR, JOHN A.
Exec Dt:
04/13/2007
Assignee
1
ROLLS-ROYCE PLC
65 BUCKINGHAM GATE
LONDON SW1E 6AT, GREAT BRITAIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070248295
11665259
Correspondence name and address
JAMES A. OLIFF
OLIFF & BERRIDGE, PLC
P.O. BOX 19928
ALEXANDRIA, VA 22320
Assignment: 12
Reel/Frame:019627/0911   Pages: 7
Recorded: 08/01/2007
Attorney Dkt #:69.5709
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZEMLAK, WARREN M.
Exec Dt:
12/20/2006
2
KERR, JOHN A.
Exec Dt:
07/26/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7779916
US20080105432
11566258
Correspondence name and address
VIRGINIA SOLIS
14910 AIRLINE ROAD
BLDG. 20
ROSHARON, TX 77583
Assignment: 13
Reel/Frame:022700/0633   Pages: 6
Recorded: 05/19/2009
Attorney Dkt #:69.5743
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KERR, JOHN A.
Exec Dt:
05/11/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8336630
US20090229830
12400078
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 14
Reel/Frame:029367/0763   Pages: 10
Recorded: 11/28/2012
Attorney Dkt #:21.1836USPSP/NP ASSIGNMEN
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOE, ASMUND
Exec Dt:
06/22/2012
2
BROWN, JONATHAN W.
Exec Dt:
06/26/2012
3
GUIEZE, PAUL B.
Exec Dt:
11/29/2011
4
KERR, JOHN A.
Exec Dt:
07/09/2012
5
VASQUES, RICARDO
Exec Dt:
10/17/2012
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9322747
US20130213149
13256632
Correspondence name and address
SCHLUMBERGER - COE
WESTERNGECO 10001 RICHMOND AVE.
ROOM 3028
HOUSTON, TX 77042
Assignment: 15
Reel/Frame:029899/0831   Pages: 11
Recorded: 02/28/2013
Attorney Dkt #:88.6700USPCT ASSIGNMENT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROWN, JONATHAN W.
Exec Dt:
06/26/2012
2
BOE, ASMUND
Exec Dt:
06/22/2012
3
GUIEZE, PAUL B.
Exec Dt:
11/22/2011
4
KERR, JOHN A.
Exec Dt:
07/09/2012
5
VASQUES, RICARDO
Exec Dt:
10/17/2012
6
THERON, BERNARD E.
Exec Dt:
01/12/2012
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120267115
13256631
Correspondence name and address
SCHLUMBERGER - COE
WESTERNGECO 10001 RICHMOND AVE.
ROOM 3028
HOUSTON, TX 77042

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