skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
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 : DU, MICHAEL H.
Total Assignments: 15
Assignment: 1
Reel/Frame:012547/0490   Pages: 11
Recorded: 01/29/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DU, MICHAEL H.
Exec Dt:
01/25/2002
2
LEE, LAWRENCE C.
Exec Dt:
01/25/2002
3
ARUMUGAM, ARUNKUMAR
Exec Dt:
01/25/2002
4
KISHINO, ASHLEY
Exec Dt:
01/28/2002
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6688860
US20020192090
10059795
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JEFFREY E. GRIFFIN
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 2
Reel/Frame:016969/0932   Pages: 10
Recorded: 01/04/2006
Attorney Dkt #:68.0565
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WATSON, ARTHUR I.
Exec Dt:
12/04/2005
2
MESSICK, TYSON R.
Exec Dt:
12/02/2005
3
NARVAEZ, DIEGO A.
Exec Dt:
12/05/2005
4
DU, MICHAEL H.
Exec Dt:
12/05/2005
5
MCCARTNEY, PATRICK M.
Exec Dt:
12/12/2005
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7549849
US20060222529
11306606
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 3
Reel/Frame:017214/0388   Pages: 9
Recorded: 02/24/2006
Attorney Dkt #:68.0615
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DU, MICHAEL H.
Exec Dt:
02/21/2006
2
ROWATT, JOHN D.
Exec Dt:
02/22/2006
3
DUVALL, CHERYL R.
Exec Dt:
02/24/2006
4
MILLER, MICHAEL W.
Exec Dt:
02/24/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7654315
US20070074872
11307842
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 4
Reel/Frame:017370/0653   Pages: 7
Recorded: 03/27/2006
Attorney Dkt #:68.0622
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WATSON, ARTHUR I.
Exec Dt:
03/24/2006
2
DU, MICHAEL H.
Exec Dt:
03/21/2006
3
ROWATT, JOHN D.
Exec Dt:
03/23/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7741744
US20070224056
11308447
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 5
Reel/Frame:017989/0211   Pages: 9
Recorded: 07/25/2006
Attorney Dkt #:89.0510
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WATSON, ARTHUR I.
Exec Dt:
06/21/2006
2
DU, MICHAEL H.
Exec Dt:
06/21/2006
3
GUINDI, RAMEZ
Exec Dt:
06/23/2006
4
ORBAN, JACQUES
Exec Dt:
06/21/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7640979
US20070295502
11426140
Correspondence name and address
JAN HYLAND
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 6
Reel/Frame:018017/0270   Pages: 16
Recorded: 07/28/2006
Attorney Dkt #:68.0543
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OCALAN, MURAT
Exec Dt:
07/20/2006
2
BENTON, JOHN F.
Exec Dt:
07/13/2006
3
DU, MICHAEL H.
Exec Dt:
07/14/2006
4
MILLER, JEFFREY
Exec Dt:
07/21/2006
5
ARUMUGAM, ARUNKUMAR
Exec Dt:
07/20/2006
6
JULSTROM, PETER
Exec Dt:
07/27/2006
7
ROWATT, JOHN DAVID
Exec Dt:
07/21/2006
8
ROSS, ALLAN D.
Exec Dt:
07/24/2006
9
DORNAK, STEVEN
Exec Dt:
07/21/2006
10
WATSON, ARTHUR I.
Exec Dt:
07/27/2006
11
FINKIEWICZ, BRIGITTE
Exec Dt:
07/20/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7469748
US20060266526
11308623
Correspondence name and address
RHONDA J. SMITH
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 7
Reel/Frame:019894/0814   Pages: 7
Recorded: 09/28/2007
Attorney Dkt #:68.0704
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DU, MICHAEL H.
Exec Dt:
09/24/2007
2
RYTLEWSKI, GARY L.
Exec Dt:
09/07/2007
3
CHAPMAN, WILLIAM D.
Exec Dt:
09/24/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8496064
US20090056947
11850243
Correspondence name and address
JANICE ALVERSON
14910 AIRLINE ROAD
BUILDING 20
ROSHARON, TX 77583
Assignment: 8
Reel/Frame:019919/0338   Pages: 10
Recorded: 10/04/2007
Attorney Dkt #:68.0704
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE MISSING PAGE OF THE ASSIGNMENT DOCUMENT ATTACHMENT (PAGE NUMBER 2) PREVIOUSLY RECORDED ON REEL 019894 FRAME 0814. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT OF ASSIGNOR'S INTEREST.
Assignors
1
DU, MICHAEL H.
Exec Dt:
09/24/2007
2
RYTLEWSKI, GARY L.
Exec Dt:
09/07/2007
3
CHAPMAN, WILLIAM D.
Exec Dt:
09/24/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8496064
US20090056947
11850243
Correspondence name and address
JANICE ALVERSON
14910 AIRLINE ROAD
BUILDING 20
ROSHARON, TX 77583
Assignment: 9
Reel/Frame:019962/0501   Pages: 5
Recorded: 10/15/2007
Attorney Dkt #:68.0724
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DU, MICHAEL H.
Exec Dt:
09/24/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7806190
US20090078430
11850392
Correspondence name and address
JANICE ALVERSON
14910 AIRLINE ROAD
BUILDING 20
ROSHARON, TX 77583
Assignment: 10
Reel/Frame:020341/0759   Pages: 6
Recorded: 01/09/2008
Attorney Dkt #:68.0762
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DU, MICHAEL H.
Exec Dt:
01/03/2008
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
BUILDING 20
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090152817
11957093
Correspondence name and address
JANICE ALVERSON
14910 AIRLINE ROAD
BUILDING 20
ROSHARON, TX 77583
Assignment: 11
Reel/Frame:020780/0973   Pages: 9
Recorded: 04/10/2008
Attorney Dkt #:68.0704CIP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DU, MICHAEL H.
Exec Dt:
04/08/2008
2
ARENA, MICHELE
Exec Dt:
04/03/2008
3
RYTLEWSKI, GARY L.
Exec Dt:
04/04/2008
4
CHAPMAN, WILLIAM D.
Exec Dt:
03/31/2008
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090078429
12056643
Correspondence name and address
JANICE K. ALVERSON
14910 AIRLINE ROAD
BLDG. 20
ROSHARON, TX 77583
Assignment: 12
Reel/Frame:022330/0887   Pages: 7
Recorded: 03/02/2009
Attorney Dkt #:68.0783
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DU, MICHAEL H.
Exec Dt:
01/07/2009
2
RYTLEWSKI, GARY
Exec Dt:
02/19/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8061429
US20100163249
12345987
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 13
Reel/Frame:022790/0652   Pages: 8
Recorded: 06/08/2009
Attorney Dkt #:68.0877
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DU, MICHAEL H.
Exec Dt:
04/16/2009
2
ENDRUHN, CLAUS
Exec Dt:
04/22/2009
3
VERZWYVELT, DAVID
Exec Dt:
04/22/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8061430
US20100224375
12400504
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
AUTREY BROWN
ROSHARON, TX 77583
Assignment: 14
Reel/Frame:023487/0512   Pages: 5
Recorded: 11/09/2009
Attorney Dkt #:68.0887
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DU, MICHAEL H.
Exec Dt:
10/30/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110100112
12609733
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
AUTREY
ROSHARON, TX 77583
Assignment: 15
Reel/Frame:036769/0369   Pages: 11
Recorded: 10/10/2015
Attorney Dkt #:IS13.3930-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JAYARAM, MURALI
Exec Dt:
01/29/2015
2
KRAIL, MICHAEL
Exec Dt:
01/29/2015
3
VENERUSO, ANTHONY
Exec Dt:
01/27/2015
4
LORETZ, IVES DANIEL
Exec Dt:
01/28/2015
5
DU, MICHAEL H.
Exec Dt:
02/05/2015
6
VAGHI, FRANCESCO
Exec Dt:
02/02/2015
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9863215
US20160053578
14780970
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

Search Results as of: 05/09/2024 06:00 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT