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Patent Assignment Assignor Details
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Assignor Name : LUNGWITZ, BERNHARD
Total Assignments: 17
Assignment: 1
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: 2
Reel/Frame:012187/0325   Pages: 8
Recorded: 09/20/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUNGWITZ, BERNHARD
Exec Dt:
08/07/2001
2
BRADY, MARK E.
Exec Dt:
08/07/2001
3
DANIEL, SYLVIE
Exec Dt:
08/07/2001
4
PARLAR, MEHMET
Exec Dt:
08/07/2001
5
PRICE-SMITH, COLIN J.
Exec Dt:
08/07/2001
6
MORRIS, ELIZABETH
Exec Dt:
09/04/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6762154
US20020033260
09918264
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 3
Reel/Frame:016767/0939   Pages: 6
Recorded: 11/11/2005
Attorney Dkt #:560761
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FREDD, CHRISTOPHER
Exec Dt:
10/06/2005
2
LUNGWITZ, BERNHARD
Exec Dt:
10/05/2005
3
HOLMS, BRAD
Exec Dt:
10/03/2005
4
ENGELS, JOHN
Exec Dt:
10/06/2005
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE MD 1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7350572
US20060042797
11206898
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 4
Reel/Frame:017453/0274   Pages: 7
Recorded: 04/10/2006
Attorney Dkt #:56.0858
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GARCIA-LOPEZ DE VICTORIA, MARIELIZ
Exec Dt:
03/20/2006
2
CHRISTANTI, YENNY
Exec Dt:
03/17/2006
3
SALAMAT, GOLCHEHREH
Exec Dt:
03/14/2006
4
XIAO, ZHIJUN
Exec Dt:
03/20/2006
5
LUNGWITZ, BERNHARD
Exec Dt:
03/17/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7299870
US20060131017
11292029
Correspondence name and address
THOMAS O. MITCHELL
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 5
Reel/Frame:018368/0333   Pages: 8
Recorded: 10/10/2006
Attorney Dkt #:56.0920
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHAPOVALOV, ALEXANDER
Exec Dt:
08/28/2006
2
PENA, ALEJANDRO
Exec Dt:
08/27/2006
3
LUNGWITZ, BERNHARD
Exec Dt:
08/28/2006
4
SCHUURMAN, RENE
Exec Dt:
09/22/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE,
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7776796
US20070215355
11464931
Correspondence name and address
DAVID CATE
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 6
Reel/Frame:019587/0779   Pages: 9
Recorded: 07/23/2007
Attorney Dkt #:56.1070
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, LEIMING
Exec Dt:
05/23/2007
2
HOWARD, PAUL R.
Exec Dt:
05/25/2007
3
PARRIS, MICHAEL D.
Exec Dt:
05/25/2007
4
LUNGWITZ, BERNHARD
Exec Dt:
06/04/2007
5
BONEY, CURTIS L.
Exec Dt:
05/25/2007
6
ENGLAND, KEVIN W.
Exec Dt:
05/30/2007
7
HUTCHINS, RICHARD D.
Exec Dt:
05/22/2007
8
LI, JACK
Exec Dt:
05/23/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE,
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080287323
11749193
Correspondence name and address
DARLA FONSECA
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 7
Reel/Frame:019999/0849   Pages: 16
Recorded: 10/23/2007
Attorney Dkt #:56.0929
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AHRENST, ALEX
Exec Dt:
08/30/2007
2
LUNGWITZ, BERNHARD
Exec Dt:
09/06/2007
3
FREDD, CHRISTOPHER N.
Exec Dt:
08/27/2007
4
ABAD, CARLOS
Exec Dt:
08/16/2007
5
GURMEN, NIHAT
Exec Dt:
09/13/2007
6
CHEN, YIYAN
Exec Dt:
08/27/2007
7
LASSEK, JOHN
Exec Dt:
08/28/2007
8
HOWARD, PAUL
Exec Dt:
08/24/2007
9
HUEY, WILLIAM TROY
Exec Dt:
08/27/2007
10
AZMI, ZAKIR
Exec Dt:
09/04/2007
11
HODGSON III, DONALD
Exec Dt:
08/29/2007
12
BUSTOS, OSCAR
Exec Dt:
08/30/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9034802
US20080064614
11833449
Correspondence name and address
DAVID CATE
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 8
Reel/Frame:021745/0271   Pages: 9
Recorded: 10/28/2008
Attorney Dkt #:56.1120
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GARCIA-LOPEZ DE VICTORIA, MARIELIZ
Exec Dt:
08/12/2008
2
SITZ, CURTIS
Exec Dt:
10/15/2008
3
LUNGWITZ, BERNHARD
Exec Dt:
08/15/2008
4
QUINTERO, BAUDEL WILLIAM
Exec Dt:
07/30/2008
5
MASCHIO, LEONARDO
Exec Dt:
09/03/2008
6
LI, JACK
Exec Dt:
07/30/2008
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE,
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090038799
12175150
Correspondence name and address
MICHAEL FLYNN
555 INDUSTRIAL BLVD., MD-21
SUGAR LAND, TX 77478
Assignment: 9
Reel/Frame:028643/0042   Pages: 9
Recorded: 07/26/2012
Attorney Dkt #:IS11.0298-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FEDOROV, ANDREY
Exec Dt:
07/03/2012
2
LUNGWITZ, BERNHARD
Exec Dt:
07/02/2012
3
LEVANYUK, OLESYA
Exec Dt:
07/06/2012
4
ENKABABIAN, PHILIPPE
Exec Dt:
07/12/2012
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130310285
13475122
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 10
Reel/Frame:029467/0405   Pages: 6
Recorded: 12/14/2012
Attorney Dkt #:IS12.2631USNP ASSIGNMENT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAOU, FATMA
Exec Dt:
12/12/2012
2
LUNGWITZ, BERNHARD
Exec Dt:
12/12/2012
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140110114
13657865
Correspondence name and address
SCHLUMBERGER - COE
WESTERNGECO 10001 RICHMOND AVE.
ROOM 3028
HOUSTON, TX 77042
Assignment: 11
Reel/Frame:029504/0386   Pages: 8
Recorded: 12/19/2012
Attorney Dkt #:IS11.0348USNP ASSIGNMENT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PARKHONYUK, SERGEY DMITRIEVICH
Exec Dt:
12/18/2012
2
ENKABABIAN, PHILIPPE
Exec Dt:
12/18/2012
3
LUNGWITZ, BERNHARD
Exec Dt:
12/18/2012
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130168096
13717411
Correspondence name and address
SCHLUMBERGER - COE
WESTERNGECO 10001 RICHMOND AVE.
ROOM 3028
HOUSTON, TX 77042
Assignment: 12
Reel/Frame:032009/0060   Pages: 10
Recorded: 01/21/2014
Attorney Dkt #:IS12.2964-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAOU, FATMA
Exec Dt:
06/03/2013
2
LUNGWITZ, BERNHARD
Exec Dt:
05/28/2013
3
MINIKH, OLGA ALEXANDROVNA
Exec Dt:
05/29/2013
4
FU, DIANKUI
Exec Dt:
01/20/2014
5
KUBALA, GREGORY
Exec Dt:
05/30/2013
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9556703
US20140090844
13630744
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 13
Reel/Frame:032671/0148   Pages: 9
Recorded: 04/15/2014
Attorney Dkt #:IS12.2726-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAOU, FATMA
Exec Dt:
06/03/2013
2
LUNGWITZ, BERNHARD
Exec Dt:
05/28/2013
3
MINIKH, OLGA ALEXANDROVNA
Exec Dt:
05/22/2013
4
FU, DIANKUI
Exec Dt:
04/11/2014
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9611716
US20140090895
13630781
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 14
Reel/Frame:040096/0096   Pages: 9
Recorded: 10/24/2016
Attorney Dkt #:IS12.2744-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MINIKH, OLGA ALEXANDROVNA
Exec Dt:
04/10/2014
2
FU, DIANKUI
Exec Dt:
04/10/2014
3
DAOU, FATMA
Exec Dt:
04/10/2014
4
LUNGWITZ, BERNHARD
Exec Dt:
04/10/2014
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10040985
US20170152428
15300206
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 15
Reel/Frame:042881/0455   Pages: 15
Recorded: 07/03/2017
Attorney Dkt #:IS10.0922A-US-CIP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POTAPENKO, DMITRIY IVANOVICH
Exec Dt:
06/21/2017
2
SOVA, ALEXEY ALEXANDROVICH
Exec Dt:
01/23/2017
3
NESTEROVA, SVETLANA VIKTOROVNA
Exec Dt:
01/10/2017
4
ALEKSEENKO, OLGA PETROVNA
Exec Dt:
01/10/2017
5
LECERF, BRUNO
Exec Dt:
05/05/2017
6
BULOVA, MARINA NIKOLAEVNA
Exec Dt:
01/11/2017
7
DANIELS, JOHN
Exec Dt:
04/17/2017
8
ORTEGA ANDRADE, JOSE ALBERTO
Exec Dt:
01/11/2017
9
LUNGWITZ, BERNHARD
Exec Dt:
01/11/2017
10
HUANG, JIANGSHUI
Exec Dt:
01/11/2017
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10808497
US20170198191
15355684
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 16
Reel/Frame:056610/0849   Pages: 16
Recorded: 06/22/2021
Attorney Dkt #:IS16.1444-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
USOLTSEV, DMITRIY
Exec Dt:
01/20/2020
2
HUANG, JIANGSHUI
Exec Dt:
01/31/2020
3
LUNGWITZ, BERNHARD
Exec Dt:
02/07/2020
4
ORTEGA ANDRADE, JOSE ALBERTO
Exec Dt:
11/06/2020
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220074294
17416957
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 17
Reel/Frame:053313/0703   Pages: 9
Recorded: 07/27/2020
Attorney Dkt #:IS17.0671-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YAKOVLEV, ANDREY
Exec Dt:
05/11/2018
2
REFUNJOL, GISELLE
Exec Dt:
05/29/2018
3
HO, MEI
Exec Dt:
05/29/2018
4
LUNGWITZ, BERNHARD
Exec Dt:
06/25/2020
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190309211
15947169
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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