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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : MINH, CHANH CAO
Total Assignments: 15
Assignment: 1
Reel/Frame:009118/0671   Pages: 4
Recorded: 04/08/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FREEDMAN, ROBERT
Exec Dt:
04/08/1998
2
MINH, CHANH CAO
Exec Dt:
04/08/1998
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6032101
NONE
09056909
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
WAYNE KANAK
PATENT COUNSEL
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 2
Reel/Frame:010308/0927   Pages: 4
Recorded: 10/18/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MINH, CHANH CAO
Exec Dt:
09/16/1999
2
HEATON, NICHOLAS J.
Exec Dt:
09/16/1999
3
SEZGINER, ABDURRAHMAN
Exec Dt:
09/21/1999
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175, HOUSTON, TEXAS 77252-2175
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6559639
US20030011366
09397581
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
BRIGITTE L. JEFFERY
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 3
Reel/Frame:014068/0560   Pages: 4
Recorded: 10/23/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MINH, CHANH CAO
Exec Dt:
10/23/2003
2
HEATON, NICHOLAS
Exec Dt:
08/23/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7034528
US20040169511
10604869
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 4
Reel/Frame:015367/0579   Pages: 5
Recorded: 05/24/2004
Attorney Dkt #:N 60.1357
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BORDON, ERNESTO
Exec Dt:
12/19/2003
2
HURLIMANN, MARTIN D.
Exec Dt:
12/19/2003
3
MINH, CHANH CAO
Exec Dt:
12/19/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
36 OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877-4108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7026814
US20050156592
10742481
Correspondence name and address
SCHLUMBERGER DOLL RESEARCH
INTELLECTUAL PROPERTY LAW DEPARTMENT
36 OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 5
Reel/Frame:021674/0197   Pages: 6
Recorded: 10/13/2008
Attorney Dkt #:20.3146
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MINH, CHANH CAO
Exec Dt:
10/03/2008
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE
MD200-9
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7675287
US20100026293
12197531
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 6
Reel/Frame:021983/0691   Pages: 6
Recorded: 12/16/2008
Attorney Dkt #:20.3118
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MINH, CHANH CAO
Exec Dt:
11/05/2008
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE
MD200-9
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7983845
US20090287416
12120920
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 7
Reel/Frame:022100/0770   Pages: 6
Recorded: 01/13/2009
Attorney Dkt #:20.3155
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MINH, CHANH CAO
Exec Dt:
01/13/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE
MD200-9
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7893692
US20100109664
12263570
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 8
Reel/Frame:022483/0746   Pages: 6
Recorded: 04/01/2009
Attorney Dkt #:20.3126
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MINH, CHANH CAO
Exec Dt:
02/03/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE
MD200-9
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7888933
US20090206834
12364104
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 9
Reel/Frame:022638/0564   Pages: 6
Recorded: 05/05/2009
Attorney Dkt #:110.0182
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MINH, CHANH CAO
Exec Dt:
05/04/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7924001
US20090289628
12423469
Correspondence name and address
JANICE K. ALVERSON
5599 SAN FELIPE
SUITE 1700
HOUSTON, TX 77056-2722
Assignment: 10
Reel/Frame:022829/0840   Pages: 7
Recorded: 06/16/2009
Attorney Dkt #:20.3119
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MINH, CHANH CAO
Exec Dt:
05/14/2009
2
CLAVERIE, MICHAEL
Exec Dt:
05/11/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE
MD200-9
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8378684
US20100259266
12423073
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE
MD200-9
SUGAR LAND, TX 77478
Assignment: 11
Reel/Frame:030553/0695   Pages: 8
Recorded: 06/05/2013
Attorney Dkt #:IS12.2071-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ANAND, VIVEK
Exec Dt:
02/06/2013
2
FREEDMAN, ROBERT
Exec Dt:
02/06/2013
3
MINH, CHANH CAO
Exec Dt:
02/06/2013
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130204534
13749455
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION, HFE
10001 RICHMOND AVE.
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 12
Reel/Frame:032424/0801   Pages: 10
Recorded: 03/13/2014
Attorney Dkt #:IS11.0624-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KADAYAM VISWANATHAN, RAVINATH KAUSIK
Exec Dt:
01/23/2014
2
MINH, CHANH CAO
Exec Dt:
01/29/2014
3
AKKURT, RIDVAN
Exec Dt:
01/24/2014
4
VISSAPRAGADA, BADARINADH
Exec Dt:
02/03/2014
5
SONG, YI-QIAO
Exec Dt:
02/10/2014
6
ZIELINSKI, LUKASZ
Exec Dt:
02/17/2014
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9720124
US20150219782
14119708
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 13
Reel/Frame:033104/0764   Pages: 5
Recorded: 06/15/2014
Attorney Dkt #:IS12.3321-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MINH, CHANH CAO
Exec Dt:
06/11/2014
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9791584
US20140341455
14276706
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 14
Reel/Frame:038282/0378   Pages: 9
Recorded: 04/14/2016
Attorney Dkt #:IS14.9699-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JAIN, VIKAS
Exec Dt:
04/08/2016
2
GZARA, KAIS
Exec Dt:
03/10/2016
3
MINH, CHANH CAO
Exec Dt:
03/21/2016
4
GRIFFITHS, ROGER
Exec Dt:
03/10/2016
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10400594
US20160178546
14971117
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 15
Reel/Frame:049205/0239   Pages: 9
Recorded: 05/17/2019
Attorney Dkt #:IS13.4190-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GZARA, KAIS
Exec Dt:
05/21/2018
2
JAIN, VIKAS
Exec Dt:
05/18/2018
3
MINH, CHANH CAO
Exec Dt:
03/21/2016
4
GRIFFITHS, ROGER
Exec Dt:
07/26/2018
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10422221
US20160230548
15021079
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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