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Patent Assignment Assignor Details
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Assignor Name : NELSON, ERIK B.
Total Assignments: 21
Assignment: 1
Reel/Frame:004165/0608   Pages: 1
Recorded: 08/19/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NELSON, ERIK B.
Exec Dt:
09/14/1978
Assignee
1
DOW CHEMICAL COMPANY THE, A CORP. OF DE
MIDLAND, MICHIGAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4415367
NONE
05943583
Correspondence name and address
RICHARD G. WATERMAN
P. O. BOX 1967
MIDLAND, MICH. 48640
Assignment: 2
Reel/Frame:003946/0860   Pages: 2
Recorded: 02/02/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NELSON, ERIK B.
Exec Dt:
01/20/1981
2
EILERS, LOUIS H.
Exec Dt:
01/20/1981
Assignee
1
DOW CHEMICAL COMPANY,THE,
MICHIGAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4328036
NONE
06218315
Correspondence name and address
RICHARD G. WATERMAN
P. O. BOX 1967
MIDLAND, MI 48640
Assignment: 3
Reel/Frame:004507/0620   Pages: 2
Recorded: 02/18/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NELSON, ERIK B.
Exec Dt:
02/22/1985
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED,
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4601758
NONE
06704818
Correspondence name and address
L. WAYNE WHITE
DOWELL SCHLUMBERGER INC.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 4
Reel/Frame:004723/0520   Pages: 2
Recorded: 06/11/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NELSON, ERIK B.
Exec Dt:
11/15/1985
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4691774
NONE
06798527
Correspondence name and address
SPENCER & FRANK
1111 19TH ST., N.W.
WASHINGTON, DC 20036
Assignment: 5
Reel/Frame:004965/0078   Pages: 2
Recorded: 10/14/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LARSON, DAVID B.
Exec Dt:
09/23/1988
2
NELSON, ERIK B.
Exec Dt:
09/23/1988
Assignee
1
DOWELL SCHLUMBERGER
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4802534
NONE
07092938
Correspondence name and address
STEPHEN A. LITTLEFIELD
P.O. BOX 2710
TULSA OK 74101
Assignment: 6
Reel/Frame:006935/0089   Pages: 3
Recorded: 03/15/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NELSON, ERIK B.
Exec Dt:
03/08/1994
2
CAWIEZEL, KAY E.
Exec Dt:
03/10/1994
3
CONSTIEN, VERNON G.
Exec Dt:
03/08/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPARTMENT
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5445223
NONE
08213640
Correspondence name and address
STEPHEN A. LITTLEFIELD
PATENT COUNSEL
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TEXAS 77478
Assignment: 7
Reel/Frame:007508/0563   Pages: 3
Recorded: 05/11/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NELSON, ERIK B.
Exec Dt:
03/08/1994
2
CAWIEZEL, KAY E.
Exec Dt:
03/10/1994
3
CONSTIEN, VERNON G.
Exec Dt:
03/08/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
105 INDUSTRIAL BOULEVARD
PATENT DEPARTMENT
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5658861
NONE
08439054
Correspondence name and address
STEPHEN A. LITTEFIELD
PATENT COUNSEL
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TX 77478
Assignment: 8
Reel/Frame:007716/0213   Pages: 3
Recorded: 05/16/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
NELSON, ERIK B.
Exec Dt:
04/13/1995
Assignee
1
DOWELL
A DIVISION OF SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5551514
NONE
08369625
Correspondence name and address
DOWELL, A DIVISION OF SCHLUMBERGER
TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 9
Reel/Frame:007583/0637   Pages: 3
Recorded: 06/12/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
NELSON, ERIK B.
Exec Dt:
05/22/1995
Assignee
1
DOWELL, A DIVISION OF SCHLUMBERGER TECHNOLOGY CORP
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5551516
NONE
08389857
Correspondence name and address
JOHN E. VICK,, PATENT COUNSEL
DOWELL A DIV. OF SCHLUMBERGER TECH. CORP
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 10
Reel/Frame:008403/0512   Pages: 4
Recorded: 02/24/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROWN, J. ERNEST
Exec Dt:
10/15/1996
2
CARD, ROGER J.
Exec Dt:
10/14/1996
3
NELSON, ERIK B.
Exec Dt:
10/08/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5964295
NONE
08727877
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
PATENT COUNSEL
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 11
Reel/Frame:008453/0247   Pages: 4
Recorded: 02/24/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROWN, J. ERNEST
Exec Dt:
10/15/1996
2
CARD, ROGER J.
Exec Dt:
10/14/1996
3
NELSON, ERIK B.
Exec Dt:
10/08/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5964295
NONE
08727877
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 12
Reel/Frame:008710/0347   Pages: 5
Recorded: 07/09/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
QIU, XIAOPING
Exec Dt:
07/02/1997
2
NELSON, ERIK B.
Exec Dt:
07/02/1997
3
SULLIVAN, PHILIP F.
Exec Dt:
07/02/1997
4
CONSTIEN, VERNON
Exec Dt:
07/03/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 4610
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5981446
NONE
08891320
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JOHN E. VICK, JR.
PATENT COUNSEL - DOWELL DIVISION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 13
Reel/Frame:009792/0810   Pages: 15
Recorded: 02/23/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
QU, QI
Exec Dt:
02/16/1999
2
NELSON, ERIK B.
Exec Dt:
02/16/1999
3
WILLBERG, DEAN M.
Exec Dt:
02/16/1999
4
SAMUEL, MATHEW M.
Exec Dt:
02/16/1999
5
LEE, JESSE C., JR.
Exec Dt:
02/16/1999
6
CHANG, FRANK F.
Exec Dt:
02/16/1999
7
CARD, ROGER J.
Exec Dt:
02/16/1999
8
VINOD, PALATHINKARA S.
Exec Dt:
02/16/1999
9
BROWN, J. ERNEST
Exec Dt:
02/16/1999
10
THOMAS, RONNIE L.
Exec Dt:
02/22/1999
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6435277
US20020023752
09256980
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JOHN E. VIEL, JR.
DOWELL DIVISION, PATENT COUNSEL
110 SCHLUMBERGER DRIVE, MAIL DROP 1975
SUGAR LAND, TEXAS 77478
Assignment: 14
Reel/Frame:012540/0971   Pages: 15
Recorded: 01/17/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
QU, QI
Exec Dt:
02/16/1999
2
NELSON, ERIK B.
Exec Dt:
02/16/1999
3
WILLBERG, DEAN M.
Exec Dt:
02/16/1999
4
SAMUEL, MATHEW M.
Exec Dt:
02/16/1999
5
LEE, JR., JESSE C.
Exec Dt:
02/16/1999
6
CHANG, FRANK F.
Exec Dt:
02/16/1999
7
CARD, ROGER J.
Exec Dt:
02/16/1999
8
VINOD, PALATHINKARA S.
Exec Dt:
02/16/1999
9
BROWN, J. ERNEST
Exec Dt:
02/16/1999
10
THOMAS, RONNIE L.
Exec Dt:
02/22/1999
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6637517
US20030019627
10051842
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 15
Reel/Frame:011594/0852   Pages: 6
Recorded: 03/05/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FERAUD, JEAN PIERRE
Exec Dt:
10/18/2000
2
PARRIS, MICHAEL D.
Exec Dt:
10/23/2000
3
HUTCHINS, RICHARD D.
Exec Dt:
10/20/2000
4
MCCONNELL, STANLEY BRUCE
Exec Dt:
10/20/2000
5
DISMUKE, KEITH
Exec Dt:
10/20/2000
6
NELSON, ERIK B.
Exec Dt:
10/20/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6613720
NONE
09688319
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
THOMAS MITCHELL
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 16
Reel/Frame:012158/0417   Pages: 15
Recorded: 09/11/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NELSON, ERIK B.
Exec Dt:
03/14/2001
2
LUNGWITZ, BERNHARD
Exec Dt:
03/14/2001
3
DISMUKE, KEITH
Exec Dt:
03/14/2001
4
SAMUEL, MATHEW
Exec Dt:
03/14/2001
5
PARRIS, MICHAEL
Exec Dt:
03/14/2001
6
SALAMAT, GOLCHI
Exec Dt:
03/14/2001
7
LEE, JESSE C.
Exec Dt:
03/14/2001
8
FLETCHER, PHILIP
Exec Dt:
03/14/2001
9
FU, DIANKUI
Exec Dt:
03/14/2001
10
HUTCHINS, RICHARD
Exec Dt:
03/14/2001
11
TUSTIN, GARY J.
Exec Dt:
05/02/2001
12
HUGHES, TREVOR
Exec Dt:
05/02/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6881709
US20020004464
09826127
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
THOMAS O. MITCHELL
110 SCHLUMBERGER DRIVE, MD 1
SUGAR LAND, TEXAS 77478
Assignment: 17
Reel/Frame:013058/0305   Pages: 4
Recorded: 06/20/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, JESSE C.
Exec Dt:
06/20/2002
2
NELSON, ERIK B.
Exec Dt:
06/20/2002
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
1100 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6840318
US20030234103
10177815
Correspondence name and address
CATHERINE MENES
1100 SCHLUMBERGER DR., MD1
IP DEPT., WELL STIMULATION
SUGAR LAND, TX 77478
Assignment: 18
Reel/Frame:013111/0254   Pages: 3
Recorded: 07/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEE, JESSE C.
Exec Dt:
07/12/2002
2
NELSON, ERIK B.
Exec Dt:
07/12/2002
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6908888
US20020193257
10194522
Correspondence name and address
STEPHEN SCHLATHER
110 SCHLUMBERGER DRIVE, MD1
IP DEPT., WELL STIMULATION
SUGAR LAND, TX 77478
Assignment: 19
Reel/Frame:015104/0295   Pages: 4
Recorded: 09/10/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NELSON, ERIK B.
Exec Dt:
06/14/2004
2
DANICAN, SAMUEL
Exec Dt:
06/29/2004
3
SALAMAT, GOLCHEHREH
Exec Dt:
06/29/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERER DRIVE, MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7111683
US20050274516
10710032
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 20
Reel/Frame:022049/0309   Pages: 6
Recorded: 01/02/2009
Attorney Dkt #:56.1174
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GADIYAR, BALKRISHNA
Exec Dt:
11/21/2008
2
NELSON, ERIK B.
Exec Dt:
10/20/2008
3
SANTAMARIA, JUAN-CARLOS
Exec Dt:
10/07/2008
4
BUSBY, BRENT
Exec Dt:
10/03/2008
5
SULLIVAN, PHILIP F.
Exec Dt:
10/06/2008
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE,
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7823642
US20090111718
12212509
Correspondence name and address
MICHAEL FLYNN
555 INDUSTRIAL BLVD., MD-21
SUGAR LAND, TX 77478
Assignment: 21
Reel/Frame:028122/0296   Pages: 11
Recorded: 04/27/2012
Attorney Dkt #:IS10.1052-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROBISSON, AGATHE
Exec Dt:
02/23/2012
2
AUZERAIS, FRANCOIS M.
Exec Dt:
02/28/2012
3
NELSON, ERIK B.
Exec Dt:
03/07/2012
4
GUERRERO, JULIO
Exec Dt:
04/12/2012
5
MAHESHWARI, SUDEEP
Exec Dt:
02/27/2012
6
ZHU, SHERRY S.
Exec Dt:
02/24/2012
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130161006
13338059
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042

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