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Patent Assignment Assignor Details
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Assignor Name : RHEIN-KNUDSEN, ERIK
Total Assignments: 12
Assignment: 1
Reel/Frame:004688/0168   Pages: 3
Recorded: 03/13/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WRAIGHT, PETER D.
Exec Dt:
03/12/1987
2
MARIENBACH, EDOUARD
Exec Dt:
03/12/1987
3
HACHE, JEAN-MICHEL
Exec Dt:
03/12/1987
4
RHEIN-KNUDSEN, ERIK
Exec Dt:
03/12/1987
5
EVANS, MIKE
Exec Dt:
03/12/1987
Assignee
1
ANADRILL, INC.
200 MACCO BLVD.
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4814609
NONE
07025319
Correspondence name and address
SCHLUMBERGER LIMITED
ATTN: PATENT COUNSEL
200 MACCO BLVD.
SUGAR LAND, TX 77478
Assignment: 2
Reel/Frame:004858/0685   Pages: 3
Recorded: 02/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WRAIGHT, PETER D.
Exec Dt:
02/02/1988
2
MARIENBACH, EDOUARD
Exec Dt:
02/02/1988
3
HACHE, JEAN-MICHEL
Exec Dt:
02/02/1988
4
RHEIN-KNUDSEN, ERIK
Exec Dt:
02/02/1988
5
EVANS, MIKE
Exec Dt:
02/02/1988
Assignee
1
SCHLUMBER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
277 PARK AVENUE,
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4879463
NONE
07132494
Correspondence name and address
PATENT COUNSEL
200 MACCO BLVD
SUGAR LAND, TX 77478
Assignment: 3
Reel/Frame:005662/0593   Pages: 4
Recorded: 04/11/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
RHEIN-KNUDSEN, ERIK
Exec Dt:
04/04/1991
2
EVANS, MICHAEL
Exec Dt:
03/18/1991
3
HOLENKA, JACQUES M.
Exec Dt:
03/18/1991
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, 5000 GULF FREEWAY A CORP. OF TX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5250806
NONE
07670819
Correspondence name and address
ANADRILL, INC.
200 MACCO BLVD.
SUGAR LAND, TX 77478
ATTN: LETICIA V. SALAS
Assignment: 4
Reel/Frame:006016/0201   Pages: 3
Recorded: 02/18/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
RHEIN-KNUDSEN, ERIK
Exec Dt:
01/14/1992
2
FREDETTE, MARK A.
Exec Dt:
01/14/1992
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION A CORP. OF TEXAS
5000 GULF FREEWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5278550
NONE
07820724
Correspondence name and address
LETICIA V. SALAS
200 MACCO BLVD.
SUGAR LAND, TEXAS 77478
Assignment: 5
Reel/Frame:008802/0142   Pages: 5
Recorded: 10/29/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RHEIN-KNUDSEN, ERIK
Exec Dt:
09/29/1997
2
VERCAEMER, CLAUDE J.
Exec Dt:
10/03/1997
3
PROUVOST, LAURENT P.
Exec Dt:
10/16/1997
4
MILNE, ARTHUR W.
Exec Dt:
10/01/1997
5
PESSIN, JEAN-LOUIS
Exec Dt:
10/01/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6098710
NONE
08960513
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JOHN E. VICK, JR.
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 6
Reel/Frame:011124/0638   Pages: 5
Recorded: 09/05/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLI, HARJIT S.
Exec Dt:
07/17/2000
2
MACKENZIE, ELIZABETH A.
Exec Dt:
07/18/2000
3
ROGERS, GARY L.
Exec Dt:
07/17/2000
4
PESSIN, JEAN-LOUIS
Exec Dt:
07/17/2000
5
RHEIN-KNUDSEN, ERIK
Exec Dt:
07/17/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6488088
NONE
09607089
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
GORDON G. WAGGETT
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 7
Reel/Frame:011262/0355   Pages: 6
Recorded: 09/01/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLI, HARJIT S.
Exec Dt:
07/17/2000
2
MACKENZIE, ELIZABETH A.
Exec Dt:
07/18/2000
3
ROGERS, GARY L.
Exec Dt:
07/17/2000
4
PESSIN, JEAN-LOUIS
Exec Dt:
07/17/2000
5
RHEIN-KNUDSEN, ERIK
Exec Dt:
07/17/2000
6
MUDDIMER, ANDREW
Exec Dt:
07/17/2000
7
WILLIAMSON, MARK R.
Exec Dt:
07/17/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D461703
NONE
29125796
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
GORDON G. WAGGETT
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 8
Reel/Frame:011603/0726   Pages: 4
Recorded: 02/13/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOHLI, HARJIT
Exec Dt:
01/31/2001
2
PESSIN, JEAN-LOUIS
Exec Dt:
01/31/2001
3
RHEIN-KNUDSEN, ERIK
Exec Dt:
02/05/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020108449
09782769
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
THOMAS MITCHELL
110 SCHLUMBERGER DRIVE, MD1
IP DEPT., WELL STIMULATION
SUGAR LAND, TEXAS 77478
Assignment: 9
Reel/Frame:018530/0734   Pages: 7
Recorded: 11/17/2006
Attorney Dkt #:56.0680
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PESSIN, JEAN-LOUIS
Exec Dt:
11/01/2006
2
HUBENSCHMIDT, JOE
Exec Dt:
11/01/2006
3
RHEIN-KNUDSEN, ERIK
Exec Dt:
11/13/2006
4
WAGO, TOSHIMICHI
Exec Dt:
10/30/2006
5
ST. MICHEL, NATHAN
Exec Dt:
10/24/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
MD 1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8979505
US20070139211
11550202
Correspondence name and address
TIM CURINGTON
110 SCHLUMBERGER DRIVE MD 1
SUGAR LAND, TX 77478
Assignment: 10
Reel/Frame:019310/0213   Pages: 7
Recorded: 05/17/2007
Attorney Dkt #:56.0744
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEUGEMORS, ED
Exec Dt:
04/30/2007
2
ABBAS, RAAFAT
Exec Dt:
04/18/2007
3
RHEIN-KNUDSEN, ERIK
Exec Dt:
04/18/2007
4
MCINTIRE, WILLIAM R.
Exec Dt:
04/19/2007
5
PESSIN, JEAN-LOUIS
Exec Dt:
04/24/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
MD 1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8322424
US20080245527
11696999
Correspondence name and address
DAVID CATE
110 SCHLUMBERGER DRIVE MD 1
SUGAR LAND, TX 77478
Assignment: 11
Reel/Frame:021626/0591   Pages: 9
Recorded: 10/03/2008
Attorney Dkt #:14.0388-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TEIGEN, OEYVIND
Exec Dt:
08/18/2008
2
MARTIN, JAMES
Exec Dt:
09/10/2008
3
RHEIN-KNUDSEN, ERIK
Exec Dt:
08/19/2008
Assignee
1
WESTERNGECO L. L. C.
10001 RICHMOND AVENUE # 4445
IP DEPT- JEFFREY E. GRIFFIN
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100039889
12193035
Correspondence name and address
WESTERNGECO
10001 RICHMOND AVENUE
IP DEPT 3 4445
HOUSTON, TX 77042
Assignment: 12
Reel/Frame:044872/0087   Pages: 19
Recorded: 02/08/2018
Attorney Dkt #:130809-040502US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
REZGUI, FADHEL
Exec Dt:
09/12/2012
2
RHEIN-KNUDSEN, ERIK
Exec Dt:
10/22/2012
3
SINDT, OLIVIER
Exec Dt:
09/26/2012
4
ALLIOT, VINCENT
Exec Dt:
11/05/2012
5
LIGNEUL, PATRICE
Exec Dt:
09/19/2012
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9810613
US20150211968
14417114
Correspondence name and address
CHAMBERLAIN HRDLICKA - COLLIN R. ROSE
1200 SMITH STREET, 14TH FLOOR
HOUSTON, TX 77002

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