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Patent Assignment Assignor Details
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Assignor Name : ZHANG, DINGAN
Total Assignments: 4
Assignment: 1
Reel/Frame:028447/0072   Pages: 12
Recorded: 06/26/2012
Attorney Dkt #:60.1867 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHDANEEV, OLEG
Exec Dt:
12/16/2011
2
HARRISON, CHRISTOPHER
Exec Dt:
11/21/2011
3
ZUO, YOUXIANG
Exec Dt:
12/15/2011
4
ZHANG, DINGAN
Exec Dt:
12/15/2011
5
STEINECKER, WILLIAM H.
Exec Dt:
04/17/2012
6
LAMBERTUS, GORDON R.
Exec Dt:
02/02/2012
7
BOSTROM, NEIL
Exec Dt:
11/18/2011
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9638681
US20130085674
13249535
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 2
Reel/Frame:029744/0389   Pages: 12
Recorded: 02/04/2013
Attorney Dkt #:117.0075-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZUO, YOUXIANG
Exec Dt:
01/17/2013
2
MULLINS, OLIVER C.
Exec Dt:
01/17/2013
3
DONG, CHENGLI
Exec Dt:
01/16/2013
4
FREED, DENISE
Exec Dt:
01/18/2013
5
POMERANTZ, ANDREW
Exec Dt:
01/16/2013
6
LEHNE, ERIC
Exec Dt:
01/17/2013
7
ZHANG, DINGAN
Exec Dt:
01/16/2013
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9255475
US20130112406
13696780
Correspondence name and address
MIMI CORONA
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 3
Reel/Frame:030457/0432   Pages: 10
Recorded: 05/21/2013
Attorney Dkt #:IS11.0662-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZUO, YOUXIANG
Exec Dt:
05/16/2013
2
MULLINS, OLIVER C.
Exec Dt:
05/15/2013
3
DONG, CHENGLI
Exec Dt:
05/14/2013
4
ZHANG, DINGAN
Exec Dt:
05/15/2013
5
XIAN, CHENG GANG
Exec Dt:
05/13/2013
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9416647
US20130197808
13754549
Correspondence name and address
MIMI CORONA
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 4
Reel/Frame:034024/0272   Pages: 12
Recorded: 10/24/2014
Attorney Dkt #:IS12.2024-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZUO, YOUXIANG
Exec Dt:
10/15/2014
2
MULLINS, OLIVER C.
Exec Dt:
10/20/2014
3
DUBOST, FRANCOIS XAVIER
Exec Dt:
10/22/2014
4
AYAN, COSAN
Exec Dt:
10/17/2014
5
ABDALLAH, WAEL
Exec Dt:
10/15/2014
6
POMERANTZ, ANDREW E.
Exec Dt:
10/14/2014
7
ZHANG, DINGAN
Exec Dt:
10/15/2014
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11280191
US20150006084
14373019
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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