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Patent Assignment Assignor Details
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Assignor Name : HUGHES, TREVOR
Total Assignments: 30
Assignment: 1
Reel/Frame:004995/0325   Pages: 2
Recorded: 10/27/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
JONES, TIMOTHY G. J.
Exec Dt:
09/23/1988
2
HUGHES, TREVOR
Exec Dt:
09/23/1988
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, 5000 GULF FREEWAY, HOUSTON, TX 77023, A CORP. OF TX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4878382
NONE
07263499
Correspondence name and address
SCHLUMBERGER LIMITED
ATTN: PATENT COUNSEL
200 MACCO BLVD.
SUGAR LAND, TX 77478
Assignment: 2
Reel/Frame:005189/0363   Pages: 2
Recorded: 12/06/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
JONES, TIMOTHY
Exec Dt:
11/30/1989
2
HUGHES, TREVOR
Exec Dt:
11/30/1989
3
FLETCHER, PHILIP
Exec Dt:
11/30/1989
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, 5000 GULF FREEWAY, HOUSTON, TX 77023, A CORP. OF TX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5140527
NONE
07446895
Correspondence name and address
SCHLUMBERGER LIMITED
ATTN: PATENT COUNSEL
200 MACCO BLVD.
SUGAR LAND, TX 77478
Assignment: 3
Reel/Frame:005513/0102   Pages: 3
Recorded: 11/13/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HUGHES, TREVOR
Exec Dt:
09/28/1990
2
JONES, TIMOTHY
Exec Dt:
09/28/1990
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
5000 GULF FREEWAY, A CORP. OF TX
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5161409
NONE
07601489
Correspondence name and address
ANADRILL, INC.
ATTN: PATENT COUNSEL
200 MACCO BLVD.
SUGAR LAND, TX 77478
Assignment: 4
Reel/Frame:006094/0299   Pages: 4
Recorded: 04/27/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
JONES, TIMOTHY
Exec Dt:
03/23/1992
2
HUGHES, TREVOR
Exec Dt:
03/23/1992
3
TOMKINS, PATRICK
Exec Dt:
03/23/1992
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION A CORPORATION OF TX
5000 GULF FREEWAY
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5306909
NONE
07860879
Correspondence name and address
LETICIA V. SALAS
200 MACCO BLVD.
SUGAR LAND, TX 77478
Assignment: 5
Reel/Frame:010510/0082   Pages: 3
Recorded: 12/22/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HUGHES, TREVOR
Exec Dt:
12/17/1999
Assignee
1
TACITUS SYSTEMS,INC.
3 REEVES STATION ROAD
MEDFORD, NEW JERSEY 08055
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6854009
NONE
09469834
Correspondence name and address
DUANE, MORRIS & HECKSCHER LLP
STEVEN E. KOFFS, ESQ.
ONE LIBERTY PLACE
PHILADELPHIA, PA 19103-7396
Assignment: 6
Reel/Frame:012158/0417   Pages: 15
Recorded: 09/11/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NELSON, ERIK B.
Exec Dt:
03/14/2001
2
LUNGWITZ, BERNHARD
Exec Dt:
03/14/2001
3
DISMUKE, KEITH
Exec Dt:
03/14/2001
4
SAMUEL, MATHEW
Exec Dt:
03/14/2001
5
PARRIS, MICHAEL
Exec Dt:
03/14/2001
6
SALAMAT, GOLCHI
Exec Dt:
03/14/2001
7
LEE, JESSE C.
Exec Dt:
03/14/2001
8
FLETCHER, PHILIP
Exec Dt:
03/14/2001
9
FU, DIANKUI
Exec Dt:
03/14/2001
10
HUTCHINS, RICHARD
Exec Dt:
03/14/2001
11
TUSTIN, GARY J.
Exec Dt:
05/02/2001
12
HUGHES, TREVOR
Exec Dt:
05/02/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6881709
US20020004464
09826127
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
THOMAS O. MITCHELL
110 SCHLUMBERGER DRIVE, MD 1
SUGAR LAND, TEXAS 77478
Assignment: 7
Reel/Frame:012370/0886   Pages: 7
Recorded: 12/05/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HARTER, MARK
Exec Dt:
12/03/2001
2
HUGHES, TREVOR
Exec Dt:
12/03/2001
3
NATTENBERG, ROBERT
Exec Dt:
12/03/2001
Assignee
1
EXIPROCITY SOLUTIONS, INC.
3224 BUCHANAN STREET
SAN FRANCISCO, CALIFORNIA 94123
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020069083
10007196
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
MAYUMI MAEDA
TWO EMBARCADERO CENTER, 8TH FLOOR
SAN FRANCISCO, CA 94111-3834
Assignment: 8
Reel/Frame:014810/0133   Pages: 6
Recorded: 10/27/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUGHES, TREVOR
Exec Dt:
02/06/2003
2
JONES, TIMOTHY GERETH JOHN
Exec Dt:
02/06/2003
3
TUSTIN, GARY JOHN
Exec Dt:
02/10/2003
4
ZHOU, JIAN
Exec Dt:
02/13/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
36 OLD QUARRY ROAD
IP LAW DEPARTMENT
RIDGEFIELD, CONNECTICUT 06877-4108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7670995
US20040067855
10343213
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
WILLIAM B. BATZER
SCHLUMBERGER-DOLL RESEARCH
36 OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 9
Reel/Frame:014882/0090   Pages: 4
Recorded: 12/15/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHOU, JIAN
Exec Dt:
07/02/2003
2
HUGHES, TREVOR
Exec Dt:
07/04/2003
Assignee
1
SCHLUMBERGR TECHNOLOGY CORPORATION
36 OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877-4108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7704926
US20040102330
10250415
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
WILLIAM B BATZER
36 OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 10
Reel/Frame:014886/0581   Pages: 4
Recorded: 12/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHOU, JIAN
Exec Dt:
07/02/2003
2
HUGHES, TREVOR
Exec Dt:
07/04/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
36 OLD QUARRY ROAD
IP LAW DEPARTMENT
RIDGEFIELD, CONNECTICUT 06877-4108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7036585
US20040221989
10250417
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
WILLIAM B. BATZER
36 OLD QUARRY ROAD
INTELLECTUAL PROPERTY LAW DEPARTMENT
RIDGEFIELD, CT 06877-4108
Assignment: 11
Reel/Frame:014941/0832   Pages: 6
Recorded: 12/11/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUGHES, TREVOR
Exec Dt:
07/04/2003
2
JONES, TIMOTHY GARETH JOHN
Exec Dt:
07/02/2003
3
TUSTIN, GARY JOHN
Exec Dt:
07/02/2003
4
ZHOU, JIAN
Exec Dt:
07/02/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
36 OLD QUARRY ROAD
IP LAW DEPARTMENT
RIDGEFIELD, CONNECTICUT 06877-4108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7410934
US20040094301
10250416
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
WILLIAM B. BATZER
INTELLECTUAL PROPERTY LAW DEPARTMENT
36 OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 12
Reel/Frame:014458/0771   Pages: 9
Recorded: 03/30/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SULLIVAN, PHILIP
Exec Dt:
01/05/2004
2
CHRISTANI, YENNY
Exec Dt:
01/05/2004
3
COUILLET, ISABELLE
Exec Dt:
01/05/2004
4
DAVIES, STEVEN
Exec Dt:
03/16/2004
5
HUGHES, TREVOR
Exec Dt:
12/15/2003
6
WILSON, ALEXANDER
Exec Dt:
12/15/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
MD1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7081439
US20050107265
10707011
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 13
Reel/Frame:016179/0983   Pages: 4
Recorded: 12/10/2004
Attorney Dkt #:57.0465 US PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COUILLET, ISABELLE
Exec Dt:
06/08/2004
2
HUGHES, TREVOR
Exec Dt:
06/08/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
36 OLD QUARRY ROAD
IP LAW DEPARTMENT
RIDGEFIELD, CONNECTICUT 06877-4108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7427583
US20050107503
10497376
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
36 OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 14
Reel/Frame:016549/0507   Pages: 8
Recorded: 09/18/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAVIES, STEPHEN
Exec Dt:
08/22/2005
2
HUGHES, TREVOR
Exec Dt:
02/24/2005
3
LEKKERKERKER, HENK
Exec Dt:
02/25/2005
4
VAN BRUGGEN, MICHAEL
Exec Dt:
03/02/2005
5
VAN DER BEKEN, ARNAUD
Exec Dt:
03/29/2005
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
36 OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877-4108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7273101
US20060151171
10524364
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
36 OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 15
Reel/Frame:020684/0289   Pages: 7
Recorded: 03/21/2008
Attorney Dkt #:57.0648 US PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARTIN, JAMES
Exec Dt:
06/21/2007
2
ROMMEL, BJORN
Exec Dt:
07/04/2007
3
HUGHES, TREVOR
Exec Dt:
06/25/2007
4
MICHAUD, GWENOLA
Exec Dt:
06/22/2007
Assignee
1
WESTERNGECO L.L.C.
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090097358
11792448
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
PO BOX 425045
ATTN: IP LAW DEPARTMENT
CAMBRIDGE, MA 02142
Assignment: 16
Reel/Frame:020800/0975   Pages: 6
Recorded: 04/14/2008
Attorney Dkt #:57.0664 US PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ABAD, CARLOS
Exec Dt:
07/10/2007
2
ROBINSON, KAY
Exec Dt:
08/01/2007
3
HUGHES, TREVOR
Exec Dt:
07/11/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7858561
US20090075845
11794923
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
PO BOX 425045
ATTN: IP LAW DEPARTMENT
CAMBRIDGE, MA 02142
Assignment: 17
Reel/Frame:023049/0001   Pages: 12
Recorded: 08/04/2009
Attorney Dkt #:57.0873 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COCHET, THOMAS
Exec Dt:
07/28/2009
2
HUGHES, TREVOR
Exec Dt:
07/31/2009
3
KEFI, SLAHEDDINE
Exec Dt:
07/22/2009
4
LAFITTE, VALERIE
Exec Dt:
08/03/2009
5
TAN, KHOOI
Exec Dt:
07/31/2009
6
TUSTIN, GARY
Exec Dt:
07/23/2009
7
WANG, SHIYI
Exec Dt:
07/22/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8393395
US20100307744
12477442
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MA 02139
Assignment: 18
Reel/Frame:023049/0094   Pages: 11
Recorded: 08/04/2009
Attorney Dkt #:57.0858 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAFITTE, VALERIE
Exec Dt:
08/03/2009
2
HUGHES, TREVOR
Exec Dt:
07/31/2009
3
KEFI, SLAHEDDINE
Exec Dt:
07/22/2009
4
MILLER, MATTHEW
Exec Dt:
07/24/2009
5
TUSTIN, GARY
Exec Dt:
07/23/2009
6
WANG, SHIYI
Exec Dt:
07/22/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9290689
US20100307745
12477502
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MA 02139
Assignment: 19
Reel/Frame:023339/0081   Pages: 10
Recorded: 10/07/2009
Attorney Dkt #:57.0907 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARMATOV, EVGENY
Exec Dt:
08/18/2009
2
GEDDES, JILL
Exec Dt:
08/19/2009
3
HUGHES, TREVOR
Exec Dt:
10/01/2009
4
WILLBERG, DEAN
Exec Dt:
09/25/2009
5
MACKAY, BRUCE
Exec Dt:
08/18/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8141637
US20110036577
12539051
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MA 02139
Assignment: 20
Reel/Frame:024698/0862   Pages: 11
Recorded: 07/16/2010
Attorney Dkt #:57.0885 US PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SULLIVAN, PHILIP
Exec Dt:
05/17/2010
2
TUSTIN, GARY
Exec Dt:
05/13/2010
3
CHRISTANTI, YENNY
Exec Dt:
06/04/2010
4
KUBALA, GREGORY
Exec Dt:
06/04/2010
5
DROCHON, BRUNO
Exec Dt:
05/13/2010
6
HUGHES, TREVOR
Exec Dt:
05/13/2010
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8517102
US20100276150
12738853
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MA 02139
Assignment: 21
Reel/Frame:025326/0605   Pages: 11
Recorded: 11/09/2010
Attorney Dkt #:57.0966 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUGHES, TREVOR
Exec Dt:
10/15/2010
2
BARMATOV, EVGENY
Exec Dt:
10/11/2010
3
GEDDES, JILL
Exec Dt:
10/11/2010
4
FULLER, MICHAEL
Exec Dt:
10/05/2010
5
DROCHON, BRUNO
Exec Dt:
10/04/2010
6
MAKARYCHEV-MIKHAILOV, SERGEY
Exec Dt:
10/05/2010
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8714248
US20120048547
12868188
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MA 02139
Assignment: 22
Reel/Frame:025357/0932   Pages: 11
Recorded: 11/12/2010
Attorney Dkt #:57.0967 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUGHES, TREVOR
Exec Dt:
10/15/2010
2
BARMATOV, EVGENY
Exec Dt:
10/11/2010
3
GEDDES, JILL
Exec Dt:
10/11/2010
4
FULLER, MICHAEL
Exec Dt:
10/05/2010
5
DROCHON, BRUNO
Exec Dt:
10/04/2010
6
MAKARYCHEV-MIKHAILOV, SERGEY
Exec Dt:
10/05/2010
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8448706
US20120048555
12868201
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MA 02139
Assignment: 23
Reel/Frame:025357/0943   Pages: 11
Recorded: 11/12/2010
Attorney Dkt #:57.0940 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUGHES, TREVOR
Exec Dt:
10/15/2010
2
BARMATOV, EVGENY
Exec Dt:
10/11/2010
3
GEDDES, JILL
Exec Dt:
10/11/2010
4
FULLER, MICHAEL
Exec Dt:
10/05/2010
5
DROCHON, BRUNO
Exec Dt:
10/04/2010
6
MAKARYCHEV-MIKHAILOV, SERGEY
Exec Dt:
10/05/2010
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9234415
US20120048554
12868177
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MA 02139
Assignment: 24
Reel/Frame:025411/0702   Pages: 11
Recorded: 11/22/2010
Attorney Dkt #:57.0963 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUGHES, TREVOR
Exec Dt:
10/15/2010
2
BARMATOV, EVGENY
Exec Dt:
10/11/2010
3
GEDDES, JILL
Exec Dt:
10/11/2010
4
FULLER, MICHAEL
Exec Dt:
10/05/2010
5
DROCHON, BRUNO
Exec Dt:
10/04/2010
6
MAKARYCHEV-MIKHAILOV, SERGEY
Exec Dt:
10/05/2010
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8459353
US20120048557
12868165
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MA 02139
Assignment: 25
Reel/Frame:025797/0169   Pages: 10
Recorded: 02/11/2011
Attorney Dkt #:57.0839 US PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUGHES, TREVOR
Exec Dt:
01/04/2011
2
TUSTIN, GARY
Exec Dt:
01/11/2011
3
WILSON, ALEXANDER
Exec Dt:
01/04/2011
4
ABAD, CARLOS
Exec Dt:
11/30/2010
5
WANG, SHIYI
Exec Dt:
01/28/2011
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8688383
US20110172924
12988869
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MA 02139
Assignment: 26
Reel/Frame:025819/0281   Pages: 9
Recorded: 02/16/2011
Attorney Dkt #:57.0864 US PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUGHES, TREVOR
Exec Dt:
01/04/2011
2
TUSTIN, GARY
Exec Dt:
01/11/2011
3
WILSON, ALEXANDER
Exec Dt:
01/04/2011
4
ABAD, CARLOS
Exec Dt:
02/15/2011
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8846582
US20110152136
12988867
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MA 02139
Assignment: 27
Reel/Frame:027533/0331   Pages: 7
Recorded: 01/13/2012
Attorney Dkt #:57.0968 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHERMAN, OREN A.
Exec Dt:
12/16/2011
2
APPEL, ERIC
Exec Dt:
12/16/2011
3
HUGHES, TREVOR
Exec Dt:
12/19/2011
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8757264
US20120103615
13221573
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 28
Reel/Frame:033846/0619   Pages: 8
Recorded: 09/30/2014
Attorney Dkt #:IS11.0385-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TAN, KHOOI YEEI
Exec Dt:
10/23/2013
2
HUGHES, TREVOR
Exec Dt:
09/03/2014
3
HUCK, WILHELM
Exec Dt:
10/24/2013
4
NAGL, MICHAELA
Exec Dt:
09/12/2014
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140076815
14117835
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 29
Reel/Frame:034011/0851   Pages: 10
Recorded: 10/23/2014
Attorney Dkt #:IS14.9169-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUGHES, TREVOR
Exec Dt:
10/16/2014
2
VARKEY, JOSEPH
Exec Dt:
10/21/2014
3
PROTASOV, VADIM
Exec Dt:
10/10/2014
4
BARMATOV, EVGENY
Exec Dt:
10/16/2014
5
WANJAU, PAUL
Exec Dt:
10/20/2014
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9446565
US20160059519
14470708
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 30
Reel/Frame:062250/0257   Pages: 11
Recorded: 01/02/2023
Attorney Dkt #:IS18.0696-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MITCHELL, LEGAL REPRESENTATIVE OF JONATHAN MITCHELL, DECEASED, MARJORIE
Exec Dt:
03/25/2022
2
CAMPOS DE FARIA, DÉBORA
Exec Dt:
02/24/2022
3
JOHNSON, ASHLEY
Exec Dt:
02/25/2022
4
COLBOURNE, ADAM
Exec Dt:
12/13/2021
5
HUGHES, TREVOR
Exec Dt:
03/03/2022
6
LOVETT, SEAN
Exec Dt:
02/24/2022
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230184705
18063729
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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