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Patent Assignment Assignor Details
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Assignor Name : XIAN, CHENGGANG
Total Assignments: 8
Assignment: 1
Reel/Frame:016404/0189   Pages: 10
Recorded: 06/24/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUCHUK, FLKRL
Exec Dt:
05/06/2005
2
XIAN, CHENGGANG
Exec Dt:
05/03/2005
3
CHAN, JIEHOO
Exec Dt:
05/10/2005
4
COMOGLO, ANDREW
Exec Dt:
05/03/2005
5
HEGEMAN, PETER
Exec Dt:
05/12/2005
6
ONUR, MUSTEFA
Exec Dt:
05/09/2005
Assignee
1
SCHULUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE
MD 1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7277796
US20060241867
11126882
Correspondence name and address
SCHLUMBERGER K.K.
KARAN SINGH
INTELLECUTAL PROPERTY LAW
2-2-1 FUCHINOBE, SAGAMIHARA-SHI
KANAGAWA-KEN 229-0006
Assignment: 2
Reel/Frame:017529/0837   Pages: 6
Recorded: 02/02/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIAN, CHENGGANG
Exec Dt:
12/06/2005
2
CARNEGIE, ANDREW
Exec Dt:
12/12/2005
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7458258
US20070137292
11303695
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 3
Reel/Frame:017699/0457   Pages: 10
Recorded: 05/31/2006
Attorney Dkt #:62.0006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIAN, CHENGGANG
Exec Dt:
01/14/2006
2
CARNEGIE, ANDREW
Exec Dt:
01/16/2006
3
DONG, CHENGLI
Exec Dt:
01/13/2006
4
MULLINS, OLIVER C.
Exec Dt:
01/23/2006
5
FUJISAWA, GO
Exec Dt:
01/10/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7458258
US20070137292
11303695
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE
OFFICE OF IP COUNSEL MD 200-9
SUGAR LAND, TX 77478
Assignment: 4
Reel/Frame:018811/0303   Pages: 11
Recorded: 01/26/2007
Attorney Dkt #:60.1696 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRIANA, JESUS ALBERTO CANAS
Exec Dt:
11/30/2006
2
ANDREWS, A. BALLARD
Exec Dt:
11/30/2006
3
SCHNEIDER, MARC
Exec Dt:
12/04/2006
4
FREITAS, EVIE
Exec Dt:
11/30/2006
5
MULLINS, OLIVER C.
Exec Dt:
12/01/2006
6
XIAN, CHENGGANG
Exec Dt:
12/03/2006
7
CARNEGIE, ANDREW
Exec Dt:
12/05/2006
8
AL-NASER, JAMIL
Exec Dt:
12/14/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
36 OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877-4108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7705982
US20080037006
11563293
Correspondence name and address
VINCENT P. LOCCISANO
ONE HAMPSHIRE STREET
SCHLUMBERGER-DOLL RESEARCH
CAMBRIDGE, MA 02139
Assignment: 5
Reel/Frame:019938/0373   Pages: 10
Recorded: 10/10/2007
Attorney Dkt #:122.0002 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BETANCOURT, SORAYA S.
Exec Dt:
08/09/2007
2
MULLINS, OLIVER C.
Exec Dt:
10/10/2007
3
GAIZUTIS, RIMAS
Exec Dt:
08/09/2007
4
XIAN, CHENGGANG
Exec Dt:
08/12/2007
5
KAUFMAN, PETER
Exec Dt:
08/09/2007
6
DUBOST, FRANCOIS
Exec Dt:
08/09/2007
7
VENKATARAMANAN, LALITHA
Exec Dt:
08/09/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
I.P. LAW DEPT.
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080040086
11832290
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
I.P. LAW DEPT.
CAMBRIDGE, MA 02139
Assignment: 6
Reel/Frame:028213/0450   Pages: 9
Recorded: 05/15/2012
Attorney Dkt #:26.0513US/USPSPASSIGNMENT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
XIAN, CHENGGANG
Exec Dt:
12/12/2011
2
DONG, CHENGLI
Exec Dt:
12/14/2011
3
MULLINS, OLIVER C.
Exec Dt:
11/30/2011
4
VASQUES, RICARDO R.
Exec Dt:
04/26/2012
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE, MD1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9366776
US20120147704
13295085
Correspondence name and address
SCHLUMBERGER - COE
WESTERNGECO 10001 RICHMOND AVE.
ROOM 3028
HOUSTON, TX 77042
Assignment: 7
Reel/Frame:062540/0010   Pages: 6
Recorded: 01/29/2023
Attorney Dkt #:0015521USU_2299
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, CAOXIONG
Exec Dt:
04/24/2022
2
XIAN, CHENGGANG
Exec Dt:
04/24/2022
3
SHEN, YINGHAO
Exec Dt:
04/24/2022
Assignee
1
CHINA UNIVERSITY OF PETROLEUM BEIJING
18 FUXUE ROAD; CHANGPING DISTRICT
BEIJING CITY, CHINA 102249
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11841348
US20230213423
17732477
Correspondence name and address
CHARLES N.J. RUGGIERO, ESQ.
RUGGIERO MC ALLISTER & MC MAHON LLC
ONE LANDMARK SQUARE, 18TH FLOOR
STAMFORD, CT 06901
Assignment: 8
Reel/Frame:062638/0688   Pages: 7
Recorded: 02/03/2023
Attorney Dkt #:0015521USU/2299
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE OMISSION 4TH INVENTOR'S NAME PREVIOUSLY RECORDED AT REEL: 062540 FRAME: 0010. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT .
Assignors
1
LI, CAOXIONG
Exec Dt:
04/24/2022
2
XIAN, CHENGGANG
Exec Dt:
04/24/2022
3
SHEN, YINGHAO
Exec Dt:
04/24/2022
4
LI, GUOXIN
Exec Dt:
04/24/2022
Assignee
1
CHINA UNIVERSITY OF PETROLEUM BEIJING
NO. 18 FUXUE ROAD
CHANGPING DISTRICT
BEIJING CITY, CHINA 102249
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11841348
US20230213423
17732477
Correspondence name and address
CHARLES N.J. RUGGIERO, ESQ.
RUGGIERO MC ALLISTER & MC MAHON LLC
ONE LANDMARK SQUARE, 18TH FLOOR
STAMFORD, CT 06901

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