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Patent Assignment Assignor Details
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Assignor Name : CHAKRABARTY, TAPANTOSH
Total Assignments: 12
Assignment: 1
Reel/Frame:020034/0618   Pages: 3
Recorded: 10/25/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAKRABARTY, TAPANTOSH
Exec Dt:
01/06/2002
2
GHOSH, MAINAK
Exec Dt:
01/07/2002
Assignee
1
IMPERIAL OIL RESOURCES LIMITED
3535 RESEARCH ROAD NW
CALGARY, ALBERTA PROVINCE T2L 2K8, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7294156
US20040055208
10646134
Correspondence name and address
EXXONMOBIL UPSTREAM RESEARCH COMPANY
CORP-URC-SW337
PO BOX 2189
HOUSTON, TX 77252-2189
Assignment: 2
Reel/Frame:026150/0216   Pages: 3
Recorded: 04/11/2011
Attorney Dkt #:2007EM188
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAKRABARTY, TAPANTOSH
Exec Dt:
08/13/2007
2
SURY, KEN N.
Exec Dt:
08/15/2007
Assignee
1
IMPERIAL OIL RESOURCES LIMITED
3535 RESEARCH ROAD, NW
CALGARY, ALBERTA, CANADA T2L 2K8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100282277
12599239
Correspondence name and address
GARY D. LAWSON
EXXONMOBIL UPSTREAM RESEARCH COMPANY
(CORP-URC-SW359)
P.O. BOX 2189
HOUSTON, TX 77252-2189
Assignment: 3
Reel/Frame:026150/0274   Pages: 4
Recorded: 04/11/2011
Attorney Dkt #:2007EM229
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAKRABARTY, TAPANTOSH
Exec Dt:
02/13/2008
2
SURY, KEN
Exec Dt:
02/14/2008
3
SONG, LIMIN
Exec Dt:
05/08/2008
4
YEGANEH, MOHSEN
Exec Dt:
05/05/2008
Assignee
1
IMPERIAL OIL RESOURCES LIMITED
3535 RESEARCH ROAD, NW
CALGARY, ALBERTA, CANADA T2L 2K8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8636897
US20100243535
12663452
Correspondence name and address
GARY D. LAWSON
EXXONMOBIL UPSTREAM RESEARCH COMPANY
(CORP-URC-SW359)
P.O. BOX 2189
HOUSTON, TX 77252-2189
Assignment: 4
Reel/Frame:026150/0121   Pages: 4
Recorded: 04/11/2011
Attorney Dkt #:2007EM190
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAKRABARTY, TAPANTOSH
Exec Dt:
06/24/2008
2
SURY, KEN N.
Exec Dt:
06/17/2008
3
LAWLOR, LARRY
Exec Dt:
06/16/2008
4
YEGANEH, MOHSEN
Exec Dt:
06/12/2008
Assignee
1
IMPERIAL OIL RESOURCES LIMITED
3535 RESEARCH ROAD, NW
CALGARY, ALBERTA, CANADA T2L 2K8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100133150
12598862
Correspondence name and address
GARY D. LAWSON
EXXONMOBIL UPSTREAM RESEARCH COMPANY
(CORP-URC-SW359)
P.O. BOX 2189
HOUSTON, TX 77252-2189
Assignment: 5
Reel/Frame:026391/0980   Pages: 3
Recorded: 06/03/2011
Attorney Dkt #:2008EM358
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAKRABARTY, TAPANTOSH
Exec Dt:
03/18/2009
2
SURY, KEN N.
Exec Dt:
03/18/2009
Assignee
1
IMPERIAL OIL RESOURCES LIMITED
3535 RESEARCH ROAD, NW
CALGARY, ALBERTA, CANADA T2L 2K8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8449764
US20100126911
12606031
Correspondence name and address
GARY D. LAWSON
EXXONMOBIL UPSTREAM RESEARCH COMPANY
(CORP-URC-SW359)
P.O. BOX 2189
HOUSTON, TX 77252-2189
Assignment: 6
Reel/Frame:026391/0954   Pages: 3
Recorded: 06/03/2011
Attorney Dkt #:2009EM279
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SURY, KEN N.
Exec Dt:
02/05/2010
2
CHAKRABARTY, TAPANTOSH
Exec Dt:
02/08/2010
Assignee
1
IMPERIAL OIL RESOURCES LIMITED
3535 RESEARCH ROAD, NW
CALGARY, ALBERTA, CANADA T2L 2K8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8454821
US20110210044
12871552
Correspondence name and address
GARY D. LAWSON
EXXONMOBIL UPSTREAM RESEARCH COMPANY
(CORP-URC-SW359)
P.O. BOX 2189
HOUSTON, TX 77252-2189
Assignment: 7
Reel/Frame:031645/0352   Pages: 3
Recorded: 11/21/2013
Attorney Dkt #:2011EM113
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAKRABARTY, TAPANTOSH
Exec Dt:
08/24/2011
2
KOSIK, IVAN J
Exec Dt:
09/06/2011
Assignee
1
IMPERIAL OIL RESOURCES LIMITED
3535 RESEARCH ROAD N.W.
CALGARY, ALBERTA T2L 2K8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140034305
14110403
Correspondence name and address
EXXONMOBIL UPSTREAM RESEARCH COMPANY
P.O. BOX 2189
CORP. URC SW359
HOUSTON, TX 77252-2189
Assignment: 8
Reel/Frame:033806/0565   Pages: 14
Recorded: 09/24/2014
Attorney Dkt #:2013EM050
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOONE, THOMAS J.
Exec Dt:
12/02/2013
2
CHAKRABARTY, TAPANTOSH
Exec Dt:
02/14/2014
3
SPEIRS, BRIAN C.
Exec Dt:
11/20/2013
4
DUNN, JAMES A.
Exec Dt:
12/04/2013
Assignee
1
IMPERIAL OIL RESOURCES LIMITED
3535 RESEARCH ROAD N.W.
CALGARY, ALBERTA, CANADA T2L 2K8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150107833
14340369
Correspondence name and address
EXXONMOBIL UPSTREAM RESEARCH COMPANY
P.O. BOX 2189
CORP. URC SW359
HOUSTON, TX 77252-2189
Assignment: 9
Reel/Frame:033806/0659   Pages: 3
Recorded: 09/24/2014
Attorney Dkt #:2013EM214
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHAKRABARTY, TAPANTOSH
Exec Dt:
02/27/2014
Assignee
1
IMPERIAL OIL RESOURCES LIMITED
3535 RESEARCH ROAD N.W.
CALGARY, ALBERTA, CANADA T2L 2K8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10041340
US20150176381
14482999
Correspondence name and address
EXXONMOBIL UPSTREAM RESEARCH COMPANY
P.O. BOX 2189
CORP. URC SW359
HOUSTON, TX 77252-2189
Assignment: 10
Reel/Frame:033835/0142   Pages: 3
Recorded: 09/29/2014
Attorney Dkt #:2014EM004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHAKRABARTY, TAPANTOSH
Exec Dt:
02/27/2014
Assignee
1
IMPERIAL OIL RESOURCES LIMITED
3535 RESEARCH ROAD N.W.
CALGARY, ALBERTA, CANADA T2L 2K8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9644467
US20150176383
14477494
Correspondence name and address
EXXONMOBIL UPSTREAM RESEARCH COMPANY
P.O. BOX 2189
CORP. URC SW359
HOUSTON, TX 77252-2189
Assignment: 11
Reel/Frame:034151/0372   Pages: 3
Recorded: 11/12/2014
Attorney Dkt #:2013EM047
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAKRABARTY, TAPANTOSH
Exec Dt:
02/27/2014
2
SCOTT, GEORGE R.
Exec Dt:
02/19/2014
Assignee
1
IMPERIAL OIL RESOURCES LIMITED
3535 RESEARCH ROAD N.W.
CALGARY, ALBERTA, CANADA T2L 2K8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10000998
US20150176382
14521369
Correspondence name and address
EXXONMOBIL UPSTREAM RESEARCH COMPANY
P.O. BOX 2189
CORP. URC SW359
HOUSTON, TX 77252-2189
Assignment: 12
Reel/Frame:033807/0400   Pages: 3
Recorded: 09/24/2014
Attorney Dkt #:2013EM349
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAKRABARTY, TAPANTOSH
Exec Dt:
03/20/2014
2
HAN, WENQIANG
Exec Dt:
03/20/2014
Assignee
1
IMPERIAL OIL RESOURCES LIMITED
3535 RESEARCH ROAD N.W.
CALGARY, ALBERTA, CANADA T2L 2K8
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9488040
US20150152718
14480105
Correspondence name and address
EXXONMOBIL UPSTREAM RESEARCH COMPANY
P.O. BOX 2189
CORP. URC SW359
HOUSTON, TX 77252-2189

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