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Patent Assignment Assignor Details
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Assignor Name : DUHON, MARK C.
Total Assignments: 10
Assignment: 1
Reel/Frame:012344/0794   Pages: 6
Recorded: 11/30/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUHON, MARK C.
Exec Dt:
11/07/2001
2
FARRANT, SIMON L.
Exec Dt:
11/02/2001
3
KOTHARI, MANISH
Exec Dt:
11/07/2001
4
CORBEN, JOHN M.
Exec Dt:
11/15/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7455104
US20020056553
09871240
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETION CENTER
JEFFREY E. GRIFFIN
14910 AIRLINE ROAD
ROSHARON, TX 77583-1590
Assignment: 2
Reel/Frame:013706/0177   Pages: 7
Recorded: 06/02/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUHON, MARK C.
Exec Dt:
11/07/2001
2
FARRANT, SIMON L.
Exec Dt:
11/02/2001
3
KOTHARI, MANISH
Exec Dt:
11/07/2001
4
CORBEN, JOHN M.
Exec Dt:
11/15/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7455104
US20020056553
09871240
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY H. GRIFFIN
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 3
Reel/Frame:013526/0612   Pages: 4
Recorded: 03/31/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAETH, JOHN F.
Exec Dt:
03/18/2003
2
DUHON, MARK C.
Exec Dt:
03/27/2003
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6966376
US20040188090
10249307
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 4
Reel/Frame:014334/0667   Pages: 6
Recorded: 02/13/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, HAOMING
Exec Dt:
01/28/2004
2
DUHON, MARK C.
Exec Dt:
02/05/2004
3
RATANASIRIGULCHA, WANCHAI
Exec Dt:
02/02/2004
4
HENDERSON, STEVEN W.
Exec Dt:
02/05/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7347279
US20050173118
10708075
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 5
Reel/Frame:015292/0358   Pages: 9
Recorded: 10/27/2004
Attorney Dkt #:22.1540
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROVE, BRENDEN M.
Exec Dt:
09/30/2004
2
DUHON, MARK C.
Exec Dt:
10/05/2004
3
BEHRMANN, LAWRENCE A.
Exec Dt:
10/27/2004
4
JONES, CLAUDE D.
Exec Dt:
09/30/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7287589
US20050061506
10711785
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 6
Reel/Frame:016622/0424   Pages: 10
Recorded: 10/05/2005
Attorney Dkt #:22.1569
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROOKS, JAMES E.
Exec Dt:
09/15/2005
2
KNEISL, PHILIP
Exec Dt:
09/12/2005
3
ZAZOVSKY, ALEXANDER F.
Exec Dt:
09/12/2005
4
DUHON, MARK C.
Exec Dt:
09/12/2005
5
FAYARD, ALFREDO
Exec Dt:
09/12/2005
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7431075
US20060070739
11162576
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 7
Reel/Frame:017391/0668   Pages: 6
Recorded: 03/30/2006
Attorney Dkt #:68.0635
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAN, CHENGHUA
Exec Dt:
03/22/2006
2
DUHON, MARK C.
Exec Dt:
03/22/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7481166
US20070234921
11308464
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 8
Reel/Frame:017772/0251   Pages: 11
Recorded: 06/13/2006
Attorney Dkt #:22.1593
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CAMPBELL, JERRY D.
Exec Dt:
06/07/2006
2
DUHON, MARK C.
Exec Dt:
06/08/2006
3
GILL, BENNIE
Exec Dt:
06/09/2006
4
MELHUS, GEIR
Exec Dt:
06/09/2006
5
NIVENS, WAYNE
Exec Dt:
06/06/2006
6
RANDEBERG, KJELL M.
Exec Dt:
06/09/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7661474
US20070034381
11308441
Correspondence name and address
RHONDA J. SMITH
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 9
Reel/Frame:019083/0102   Pages: 11
Recorded: 03/29/2007
Attorney Dkt #:22.1611
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAN, CHENGHUA
Exec Dt:
01/08/2007
2
GILL, BENNIE
Exec Dt:
01/30/2007
3
DUHON, MARK C.
Exec Dt:
01/10/2007
4
FERENCE, ROBERT
Exec Dt:
02/08/2007
5
CAMPBELL, JERRY D., JR.
Exec Dt:
01/30/2007
6
LUTZ, RONALD
Exec Dt:
01/11/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7409993
US20080053298
11561641
Correspondence name and address
VIRGINIA SOLIS
14910 AIRLINE ROAD
BLDG. 20
ROSHARON, TX 77583
Assignment: 10
Reel/Frame:018851/0965   Pages: 8
Recorded: 02/05/2007
Attorney Dkt #:22.1612
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAN, CHENGHUA
Exec Dt:
01/23/2007
2
GILL, BENNIE
Exec Dt:
01/30/2007
3
DUHON, MARK C.
Exec Dt:
01/30/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7942098
US20080121095
11561619
Correspondence name and address
VIRGINIA SOLIS
14910 AIRLINE ROAD
BLDG. 20
ROSHARON, TX 77583

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