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Patent Assignment Assignor Details
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Assignor Name : ENGLAND, KEVIN W.
Total Assignments: 26
Assignment: 1
Reel/Frame:004966/0307   Pages: 2
Recorded: 10/27/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
10/01/1987
2
Exec Dt:
09/30/1987
3
Exec Dt:
09/30/1987
Assignee
1
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07080738
Correspondence name and address
DOWELL SCHLUMBERGER INC.
POST OFFICE BOX 2710
TULSA, OK 74101
ATTN: PATENT DEPT.
Assignment: 2
Reel/Frame:009856/0690   Pages: 9
Recorded: 03/29/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/16/1999
2
Exec Dt:
03/16/1999
3
Exec Dt:
03/16/1999
4
Exec Dt:
03/22/1999
5
Exec Dt:
03/22/1999
Assignee
1
MD-1975
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09166658
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JOHN E VICK
110 SCHLUMBERGER DRIVE
MAIL DROP 1975
SUGAR LAND, TX 77478
Assignment: 3
Reel/Frame:009910/0101   Pages: 4
Recorded: 04/23/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/23/1999
2
Exec Dt:
04/23/1999
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09298771
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
DOUG Y'BARBO
DOWELL DIVISION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 4
Reel/Frame:012233/0841   Pages: 5
Recorded: 10/02/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/24/2001
2
Exec Dt:
09/24/2001
3
Exec Dt:
09/26/2001
4
Exec Dt:
09/27/2001
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09969392
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 5
Reel/Frame:012593/0407   Pages: 5
Recorded: 02/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/24/2001
2
Exec Dt:
09/24/2001
3
Exec Dt:
09/24/2001
4
Exec Dt:
09/26/2001
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09925221
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 6
Reel/Frame:013123/0845   Pages: 4
Recorded: 07/15/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/15/2002
2
Exec Dt:
07/15/2002
3
Exec Dt:
07/15/2002
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10195704
Correspondence name and address
IP DEPT., WELL STIMULATION
THOMAS O. MITCHELL
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 7
Reel/Frame:013741/0051   Pages: 7
Recorded: 06/18/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/18/2003
2
Exec Dt:
06/11/2003
3
Exec Dt:
06/04/2003
4
Exec Dt:
06/03/2003
Assignee
1
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09925221
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 8
Reel/Frame:019587/0779   Pages: 9
Recorded: 07/23/2007
Attorney Dkt #:56.1070
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/23/2007
2
Exec Dt:
05/25/2007
3
Exec Dt:
05/25/2007
4
Exec Dt:
06/04/2007
5
Exec Dt:
05/25/2007
6
Exec Dt:
05/30/2007
7
Exec Dt:
05/22/2007
8
Exec Dt:
05/23/2007
Assignee
1
110 SCHLUMBERGER DRIVE,
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11749193
Correspondence name and address
DARLA FONSECA
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 9
Reel/Frame:021012/0949   Pages: 5
Recorded: 05/29/2008
Attorney Dkt #:56.1160
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/15/2008
2
Exec Dt:
05/16/2008
3
Exec Dt:
05/16/2008
Assignee
1
110 SCHLUMBERGER DRIVE,
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12117915
Correspondence name and address
MICHAEL FLYNN
555 INDUSTRIAL BLVD., MD-21
SUGAR LAND, TX 77478
Assignment: 10
Reel/Frame:021646/0846   Pages: 4
Recorded: 10/08/2008
Attorney Dkt #:56.0934
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/23/2008
2
Exec Dt:
09/23/2008
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12212698
Correspondence name and address
DAVID CATE
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 11
Reel/Frame:021879/0549   Pages: 7
Recorded: 11/24/2008
Attorney Dkt #:122.0040 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/17/2008
2
Exec Dt:
10/24/2008
Assignee
1
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12253426
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 425045
CAMBRIDGE, MA 02142
Assignment: 12
Reel/Frame:021879/0607   Pages: 7
Recorded: 11/24/2008
Attorney Dkt #:122.0029 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/17/2008
2
Exec Dt:
10/24/2008
Assignee
1
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12253406
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 425045
CAMBRISGE, MA 02142
Assignment: 13
Reel/Frame:022205/0308   Pages: 4
Recorded: 02/04/2009
Attorney Dkt #:56.1010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/06/2009
2
Exec Dt:
01/09/2009
Assignee
1
110 SCHLUMBERGER DRIVE,
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12344890
Correspondence name and address
MICHAEL FLYNN
555 INDUSTRIAL BLVD., MD-21
SUGAR LAND, TX 77478
Assignment: 14
Reel/Frame:023204/0467   Pages: 6
Recorded: 09/09/2009
Attorney Dkt #:56.1216
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/12/2009
2
Exec Dt:
08/12/2009
3
Exec Dt:
08/12/2009
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12539243
Correspondence name and address
MICHAEL L. FLYNN
555 INDUSTRIAL BLVD
SUGAR LAND, TX 77478
Assignment: 15
Reel/Frame:024150/0437   Pages: 4
Recorded: 03/29/2010
Attorney Dkt #:56.1378
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/09/2010
2
Exec Dt:
03/10/2010
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12712692
Correspondence name and address
RACHEL E. GREENE
110 SCHLUMBERGER DR., MD-1
SUGAR LAND, TX 77478
Assignment: 16
Reel/Frame:024501/0131   Pages: 8
Recorded: 06/08/2010
Attorney Dkt #:56.1394
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/25/2010
2
Exec Dt:
05/26/2010
3
Exec Dt:
05/26/2010
4
Exec Dt:
06/03/2010
5
Exec Dt:
05/26/2010
6
Exec Dt:
05/25/2010
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12784943
Correspondence name and address
RACHEL E. GREENE
110 SCHLUMBERGER DR., MD-1
SUGAR LAND, TX 77478
Assignment: 17
Reel/Frame:024571/0261   Pages: 8
Recorded: 06/22/2010
Attorney Dkt #:56.1367
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/26/2010
2
Exec Dt:
05/27/2010
3
Exec Dt:
05/26/2010
4
Exec Dt:
06/03/2010
5
Exec Dt:
05/26/2010
6
Exec Dt:
05/25/2010
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12784912
Correspondence name and address
RACHEL E. GREENE
110 SCHLUMBERGER DR., MD-1
SUGAR LAND, TX 77478
Assignment: 18
Reel/Frame:024650/0087   Pages: 7
Recorded: 07/08/2010
Attorney Dkt #:56.1369
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/29/2010
2
Exec Dt:
07/02/2010
3
Exec Dt:
07/06/2010
4
Exec Dt:
07/01/2010
5
Exec Dt:
07/01/2010
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12821851
Correspondence name and address
RACHEL E. GREENE
110 SCHLUMBERGER DR., MD-1
SUGAR LAND, TX 77478
Assignment: 19
Reel/Frame:024788/0839   Pages: 7
Recorded: 08/04/2010
Attorney Dkt #:56.1330
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/23/2010
2
Exec Dt:
07/28/2010
3
Exec Dt:
07/28/2010
4
Exec Dt:
07/21/2010
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12836082
Correspondence name and address
RACHEL E. GREENE
110 SCHLUMBERGER DR., MD-1
SUGAR LAND, TX 77478
Assignment: 20
Reel/Frame:024875/0151   Pages: 6
Recorded: 08/24/2010
Attorney Dkt #:56.1340
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/04/2010
2
Exec Dt:
07/28/2010
3
Exec Dt:
08/19/2010
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12838834
Correspondence name and address
RACHEL E. GREENE
110 SCHLUMBERGER DR., MD-1
SUGAR LAND, TX 77478
Assignment: 21
Reel/Frame:025477/0071   Pages: 6
Recorded: 12/13/2010
Attorney Dkt #:56.1382
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/23/2010
2
Exec Dt:
12/08/2010
3
Exec Dt:
11/30/2010
4
Exec Dt:
11/22/2010
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12941192
Correspondence name and address
RACHEL E. GREENE
110 SCHLUMBERGER DR., MD-1
SUGAR LAND, TX 77478
Assignment: 22
Reel/Frame:026315/0584   Pages: 5
Recorded: 05/20/2011
Attorney Dkt #:56.1390
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/03/2011
2
Exec Dt:
05/02/2011
3
Exec Dt:
05/02/2011
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13091741
Correspondence name and address
RACHEL E. GREENE
110 SCHLUMBERGER DR., MD-1
SUGAR LAND, TX 77478
Assignment: 23
Reel/Frame:026410/0890   Pages: 8
Recorded: 06/08/2011
Attorney Dkt #:56.1392
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/18/2011
2
Exec Dt:
05/20/2011
3
Exec Dt:
05/16/2011
4
Exec Dt:
05/14/2011
5
Exec Dt:
05/13/2011
Assignee
1
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13102237
Correspondence name and address
MARTIN RZANIAK
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 24
Reel/Frame:029892/0329   Pages: 8
Recorded: 02/28/2013
Attorney Dkt #:19.0605-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/30/2013
2
Exec Dt:
01/30/2013
3
Exec Dt:
01/31/2013
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13697451
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 25
Reel/Frame:030699/0249   Pages: 11
Recorded: 06/27/2013
Attorney Dkt #:IS12.2073-US-CIP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/03/2013
2
Exec Dt:
06/03/2013
3
Exec Dt:
06/03/2013
4
Exec Dt:
06/04/2013
5
Exec Dt:
06/06/2013
6
Exec Dt:
06/03/2013
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13752505
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 26
Reel/Frame:032217/0795   Pages: 13
Recorded: 02/14/2014
Attorney Dkt #:56.1099B-US-CIP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/27/2013
2
Exec Dt:
08/09/2013
3
Exec Dt:
08/12/2013
4
Exec Dt:
08/15/2013
5
Exec Dt:
08/14/2013
6
Exec Dt:
08/08/2013
7
Exec Dt:
08/08/2013
8
Exec Dt:
08/08/2013
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13911168
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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