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Patent Assignment Assignor Details
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Assignor Name : DAVYDYCHEVA, SOFIA
Total Assignments: 7
Assignment: 1
Reel/Frame:013997/0420   Pages: 4
Recorded: 09/25/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOMAN, DEAN M.
Exec Dt:
09/25/2003
2
MINERBO, GERALD N.
Exec Dt:
09/25/2003
3
DAVYDYCHEVA, SOFIA
Exec Dt:
09/25/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7026813
US20050083064
10605375
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 2
Reel/Frame:014432/0721   Pages: 6
Recorded: 03/19/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARBER, THOMAS D.
Exec Dt:
03/19/2004
2
BROUSSARD, TRACY E.
Exec Dt:
03/19/2004
3
MINERBO, GERALD N.
Exec Dt:
03/11/2004
4
WANG, HANMING
Exec Dt:
03/19/2004
5
DAVYDYCHEVA, SOFIA
Exec Dt:
03/15/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7386430
US20050256642
10708719
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 3
Reel/Frame:015939/0898   Pages: 5
Recorded: 11/01/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MINERBO, GERALD
Exec Dt:
09/14/2004
2
DAVYDYCHEVA, SOFIA
Exec Dt:
09/10/2004
3
WANG, HANMING
Exec Dt:
09/10/2004
4
HOMAN, DEAN M.
Exec Dt:
09/10/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7138897
US20050083161
10711309
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
200 GILLINGHAM LANE
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 4
Reel/Frame:021721/0828   Pages: 8
Recorded: 10/22/2008
Attorney Dkt #:20.3081
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAVYDYCHEVA, SOFIA
Exec Dt:
10/03/2008
2
HOMAN, DEAN
Exec Dt:
10/06/2008
3
OMERAGIC, DZEVAT
Exec Dt:
10/03/2008
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8200437
US20100082255
12241141
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 5
Reel/Frame:021853/0939   Pages: 14
Recorded: 11/18/2008
Attorney Dkt #:24.1004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OMERAGIC, DZEVAT
Exec Dt:
09/26/2008
2
HABASHY, TAREK M.
Exec Dt:
09/30/2008
3
POLYAKOV, VALERY
Exec Dt:
09/29/2008
4
KOCIAN, RAYMOND
Exec Dt:
10/06/2008
5
CHEN, YONG-HUA
Exec Dt:
09/29/2008
6
DAVYDYCHEVA, SOFIA
Exec Dt:
10/03/2008
7
ALTMAN, RAPHAEL
Exec Dt:
10/13/2008
8
MAESO, CARLOS
Exec Dt:
11/12/2008
9
HUPP, DOUGLAS
Exec Dt:
10/01/2008
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8489375
US20110106514
12738225
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE, MD 200-9
OFFICE OF IP COUNSEL
SUGAR LAND, TX 77478
Assignment: 6
Reel/Frame:023751/0875   Pages: 8
Recorded: 01/08/2010
Attorney Dkt #:24.1014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MINERBO, GERALD
Exec Dt:
10/05/2009
2
DAVYDYCHEVA, SOFIA
Exec Dt:
10/07/2009
3
YANG, JIAN
Exec Dt:
12/21/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8294467
US20110068798
12563569
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE, MD 200-9
OFFICE OF IP COUNSEL
SUGAR LAND, TX 77478
Assignment: 7
Reel/Frame:025174/0133   Pages: 14
Recorded: 10/21/2010
Attorney Dkt #:24.1004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OMERAGIC, DZEVAT
Exec Dt:
04/30/2010
2
CHEN, YONG-HUA
Exec Dt:
04/30/2010
3
DAVYDYCHEVA, SOFIA
Exec Dt:
04/30/2010
4
POLYAKOV, VALLERY
Exec Dt:
04/30/2010
5
ALTMAN, RAPHAEL
Exec Dt:
05/10/2010
6
HUPP, DOUGLAS
Exec Dt:
04/30/2010
7
MAESO, CARLOS
Exec Dt:
05/07/2010
8
HABASHY, TAREK M.
Exec Dt:
04/30/2010
9
KOCIAN, RAYMOND
Exec Dt:
04/28/2010
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8489375
US20110106514
12738225
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE, MD 200-9
OFFICE OF IP COUNSEL
SUGAR LAND, TX 77478

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