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Patent Assignment Assignor Details
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Assignor Name : ROWATT, JOHN DAVID
Total Assignments: 17
Assignment: 1
Reel/Frame:013825/0341   Pages: 3
Recorded: 03/11/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DOWNTON, GEOFF
Exec Dt:
02/27/2003
2
HART, STEVEN JAMES
Exec Dt:
02/27/2003
3
ROWATT, JOHN DAVID
Exec Dt:
01/02/2003
Assignee
1
SCHLUMBERGER WCP LTD
BRUNEL WAY, STROUDWATER PARK
STONEHOUSE
GLOUCESTERSHIRE GL10 3SX, UNITED KINGDOM
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030127252
10248054
Correspondence name and address
GRANT PRIDECO, L.P.
JEFFERY E. DALY
1330 POST OAK BLVD.
SUITE 2700
HOUSTON, TX 77056
Assignment: 2
Reel/Frame:013829/0344   Pages: 3
Recorded: 03/11/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DOWNTON, GEOFF
Exec Dt:
02/27/2003
2
HART, STEVEN JAMES
Exec Dt:
02/27/2003
3
ROWATT, JOHN DAVID
Exec Dt:
01/02/2003
Assignee
1
SCHLUMBERGER WCP LTD
BRUNEL WAY, STROUDWATER PARK
STONEHOUSE
GLOUCESTERSHIRE, UNITED KINGDOM GL10 3SX
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7188685
US20030121702
10248053
Correspondence name and address
GRANT PRIDECO, L.P.
JEFFERY E. DALY
1330 POST OAK BLVD, SUITE 2700
HOUSTON, TX 77056
Assignment: 3
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: 4
Reel/Frame:018055/0826   Pages: 6
Recorded: 08/04/2006
Attorney Dkt #:89.0512CIP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ROWATT, JOHN DAVID
Exec Dt:
07/31/2006
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7913498
US20060266064
11458117
Correspondence name and address
VIRGINIA SOLIS
14910 AIRLINE ROAD
BLDG. 20
ROSHARON, TX 77583
Assignment: 5
Reel/Frame:019833/0237   Pages: 9
Recorded: 09/17/2007
Attorney Dkt #:56.1081
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALLCORN, MARC
Exec Dt:
07/24/2007
2
CHOW, JING HAYES
Exec Dt:
07/23/2007
3
ESLINGER, DAVID MILTON
Exec Dt:
07/20/2007
4
HACKWORTH, MATTHEW R.
Exec Dt:
07/11/2007
5
ROWATT, JOHN DAVID
Exec Dt:
07/25/2007
6
ALLAN, THOMAS
Exec Dt:
07/24/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7874366
US20080066920
11770416
Correspondence name and address
DAVID CATE
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 6
Reel/Frame:021256/0918   Pages: 9
Recorded: 07/18/2008
Attorney Dkt #:89.0551
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WATSON, ARTHUR I.
Exec Dt:
05/19/2008
2
BOOKER, JOHN A.
Exec Dt:
04/24/2008
3
ARMSTRONG, KENNETH
Exec Dt:
06/25/2008
4
ROWATT, JOHN DAVID
Exec Dt:
04/24/2008
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9482233
US20090277628
12116302
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 7
Reel/Frame:022275/0178   Pages: 11
Recorded: 02/18/2009
Attorney Dkt #:89.0562B
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DOWLING, MICHAEL A.
Exec Dt:
02/16/2009
2
KAMPHAUS, JASON
Exec Dt:
02/13/2009
3
SUKIANTO, HARRYSON
Exec Dt:
02/13/2009
4
DOREL, ALAIN P.
Exec Dt:
02/17/2009
5
ROWATT, JOHN DAVID
Exec Dt:
02/16/2009
6
WATSON, ARTHUR I.
Exec Dt:
02/17/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8177526
US20100209265
12388098
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 8
Reel/Frame:027888/0802   Pages: 13
Recorded: 03/19/2012
Attorney Dkt #:IS11.0950-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WICKS, NATHAN
Exec Dt:
02/24/2012
2
PABON, JAHIR
Exec Dt:
02/29/2012
3
AUZERAIS, FRANCOIS
Exec Dt:
02/28/2012
4
ROWATT, JOHN DAVID
Exec Dt:
02/27/2012
5
ZHENG, SHUNFENG
Exec Dt:
02/24/2012
6
BURGOS, REX
Exec Dt:
02/24/2012
7
MALLALIEU, ROBIN
Exec Dt:
02/24/2012
8
XU, ZHENG RONG
Exec Dt:
02/24/2012
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9702192
US20130186619
13355103
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 9
Reel/Frame:031277/0365   Pages: 13
Recorded: 09/25/2013
Attorney Dkt #:IS122750USNP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHU, SHITONG SHERRY
Exec Dt:
09/03/2013
2
CHEN, YIYAN
Exec Dt:
09/11/2013
3
ROWATT, JOHN DAVID
Exec Dt:
09/04/2013
4
AUZERAIS, FRANCOIS M.
Exec Dt:
09/05/2013
5
TU, HUILIN
Exec Dt:
08/29/2013
6
AMARANTE, MIRANDA
Exec Dt:
08/29/2013
7
QU, MENG
Exec Dt:
08/29/2013
8
MUSSO, SIMONE
Exec Dt:
08/29/2013
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160257872
13951940
Correspondence name and address
STEPHANIE MUMA
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 10
Reel/Frame:032671/0133   Pages: 8
Recorded: 04/15/2014
Attorney Dkt #:IS12.2571-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PABON, JAHIR
Exec Dt:
09/16/2013
2
GODFREY, MATTHEW
Exec Dt:
09/13/2013
3
ROWATT, JOHN DAVID
Exec Dt:
09/16/2013
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9512695
US20150000935
13931104
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 11
Reel/Frame:032830/0148   Pages: 10
Recorded: 05/06/2014
Attorney Dkt #:IS12.3093-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GODFREY, MATTHEW
Exec Dt:
04/23/2014
2
ROBISSON, AGATHE
Exec Dt:
04/18/2014
3
KATS, ROMAN
Exec Dt:
05/01/2014
4
ROWATT, JOHN DAVID
Exec Dt:
04/18/2014
5
MUSSO, SIMONE
Exec Dt:
04/21/2014
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140083702
14030819
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 12
Reel/Frame:041060/0834   Pages: 9
Recorded: 01/24/2017
Attorney Dkt #:IS14.8468-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
QU, MENG
Exec Dt:
07/29/2016
2
ZHU, SHITONG S.
Exec Dt:
07/29/2016
3
POITZSCH, MARTIN E.
Exec Dt:
08/02/2016
4
ROWATT, JOHN DAVID
Exec Dt:
08/02/2016
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170101572
15316058
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 13
Reel/Frame:044529/0012   Pages: 9
Recorded: 01/04/2018
Attorney Dkt #:IS15.0175-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VERMA, SANDEEP
Exec Dt:
08/10/2016
2
RAMAKRISHNAN, TERIZHANDUR S.
Exec Dt:
08/11/2016
3
PABON, JAHIR
Exec Dt:
08/04/2016
4
ROWATT, JOHN DAVID
Exec Dt:
08/04/2016
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180030968
15552749
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 14
Reel/Frame:042311/0957   Pages: 18
Recorded: 05/10/2017
Attorney Dkt #:IS14.8367-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
THOMAS, JEFFREY
Exec Dt:
04/27/2017
2
ROWATT, JOHN DAVID
Exec Dt:
02/22/2017
3
AUZERAIS, FRANCOIS M.
Exec Dt:
02/21/2017
4
MUSSO, SIMONE
Exec Dt:
02/16/2017
5
ZEROUG, SMAINE
Exec Dt:
02/06/2017
6
LIANG, KENNETH KIN-NAM
Exec Dt:
02/23/2017
7
QUINTUS-BOSZ, HARALD
Exec Dt:
02/17/2017
8
KINSLEY, JOSHUA P.
Exec Dt:
02/15/2017
9
COSTA, ALFRED J.
Exec Dt:
02/17/2017
10
TSENG, CHING-HUA
Exec Dt:
02/17/2017
11
AKNIN, JULIEN PROSPER MARC
Exec Dt:
02/17/2017
12
BANNISTER, JONATHAN ANDREW
Exec Dt:
08/13/2016
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10197549
US20170205388
15301896
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 15
Reel/Frame:049995/0759   Pages: 16
Recorded: 08/08/2019
Attorney Dkt #:IS14.9509-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOKEL, PHILIP
Exec Dt:
03/21/2017
2
ZHU, SHITONG S.
Exec Dt:
03/23/2017
3
GODFREY, MATTHEW
Exec Dt:
06/11/2019
4
QU, MENG
Exec Dt:
04/03/2017
5
PABON, JAHIR A.
Exec Dt:
03/22/2017
6
LOU, YUCUN
Exec Dt:
03/22/2017
7
AUZERAIS, FRANCOIS M.
Exec Dt:
04/27/2018
8
ROWATT, JOHN DAVID
Exec Dt:
03/22/2017
9
KATS, ROMAN
Exec Dt:
08/01/2019
10
JOSHI, GAURI
Exec Dt:
03/29/2017
11
AMARANTE, MIRANDA
Exec Dt:
03/28/2017
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11136461
US20170369708
15534685
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 16
Reel/Frame:047586/0100   Pages: 11
Recorded: 11/27/2018
Attorney Dkt #:IS16.0681-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHENG, SHUNFENG
Exec Dt:
09/08/2017
2
MEEHAN, RICHARD JOHN
Exec Dt:
08/22/2017
3
ROWATT, JOHN DAVID
Exec Dt:
08/22/2017
4
PARMESHWAR, VISHWANATHAN
Exec Dt:
09/08/2017
5
JOHNSEN, JOERGEN KRINGEN
Exec Dt:
08/22/2017
6
CHAMBON, SYLVAIN
Exec Dt:
08/23/2017
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10995571
US20190136650
16304330
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 17
Reel/Frame:050467/0687   Pages: 10
Recorded: 09/24/2019
Attorney Dkt #:IS16.1628-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAEBO, GLENN THORE
Exec Dt:
06/07/2018
2
ROWATT, JOHN DAVID
Exec Dt:
06/13/2018
3
HOLAND, MAX PAUL
Exec Dt:
06/07/2018
4
TINDVIK, KRISTIAN
Exec Dt:
06/07/2018
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190352982
15984465
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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