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Patent Assignment Assignor Details
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Assignor Name : PFUTZNER, HAROLD
Total Assignments: 16
Assignment: 1
Reel/Frame:009822/0454   Pages: 3
Recorded: 03/15/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROVES, JOEL
Exec Dt:
05/18/1998
2
PFUTZNER, HAROLD
Exec Dt:
05/18/1998
3
POYET, JEAN-PIERRE
Exec Dt:
05/18/1998
4
WRAIGHT, PETER
Exec Dt:
05/18/1998
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6097786
NONE
09081161
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
KEITH G.W. SMITH
INTELLECTUAL PROPERTY LAW DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 2
Reel/Frame:016158/0155   Pages: 6
Recorded: 01/15/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUONG, KHANH
Exec Dt:
11/30/2004
2
MASSON, JEAN PIERRE
Exec Dt:
11/30/2004
3
GARCIA-OSUNA, FERNANDO
Exec Dt:
11/30/2004
4
PFUTZNER, HAROLD
Exec Dt:
12/08/2004
5
DUMONT, ALAIN
Exec Dt:
01/12/2005
6
TANAKA, TETSUYA
Exec Dt:
11/30/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7367392
US20050150655
10904809
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 3
Reel/Frame:016204/0562   Pages: 5
Recorded: 01/31/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GARCIA-OSUNA, FERNANDO
Exec Dt:
11/23/2004
2
PFUTZNER, HAROLD
Exec Dt:
01/12/2005
3
DUMONT, ALAIN
Exec Dt:
12/08/2004
4
TANAKA, TETSUYA
Exec Dt:
11/20/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7364007
US20050150713
10904806
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 4
Reel/Frame:020495/0007   Pages: 7
Recorded: 02/12/2008
Attorney Dkt #:49.0314
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROVES, JOEL L.
Exec Dt:
02/08/2008
2
PFUTZNER, HAROLD
Exec Dt:
01/14/2008
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7978804
US20090146052
11953333
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 5
Reel/Frame:025172/0106   Pages: 7
Recorded: 10/21/2010
Attorney Dkt #:20.3068
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PFUTZNER, HAROLD
Exec Dt:
02/15/2010
2
WRAIGHT, PETER D.
Exec Dt:
02/17/2010
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8990020
US20110191027
12698687
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE, MD 200-9
OFFICE OF IP COUNSEL
SUGAR LAND, TX 77478
Assignment: 6
Reel/Frame:030966/0066   Pages: 8
Recorded: 08/08/2013
Attorney Dkt #:IS12.3135-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
REIJONEN, JANI
Exec Dt:
05/23/2013
2
PERKINS, LUKE
Exec Dt:
05/23/2013
3
PFUTZNER, HAROLD
Exec Dt:
05/30/2013
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8866068
US20140183348
13728950
Correspondence name and address
MIMI CORONA
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 7
Reel/Frame:032253/0361   Pages: 7
Recorded: 02/20/2014
Attorney Dkt #:IS11.0118-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRIEZZHEV, IVAN
Exec Dt:
02/19/2014
2
PFUTZNER, HAROLD
Exec Dt:
02/20/2014
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8700372
US20120232871
13044996
Correspondence name and address
MIMI CORONA
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 8
Reel/Frame:034502/0280   Pages: 9
Recorded: 12/14/2014
Attorney Dkt #:IS11.0737-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PFUTZNER, HAROLD
Exec Dt:
04/25/2014
2
GRAU, JAMES A.
Exec Dt:
05/09/2014
3
PLASEK, RONALD E.
Exec Dt:
07/11/2014
4
RAMAMOORTHY, RAGHU
Exec Dt:
04/30/2014
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10247849
US20140343857
14344828
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 9
Reel/Frame:043650/0446   Pages: 5
Recorded: 09/21/2017
Attorney Dkt #:004159.005480
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SALDUNGARAY, PABLO J.
Exec Dt:
08/28/2017
2
PFUTZNER, HAROLD
Exec Dt:
08/27/2017
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9794655
US20160366494
15246292
Correspondence name and address
BRACEWELL LLP
PO BOX 61389
HOUSTON, TX 77208-1389
Assignment: 10
Reel/Frame:043655/0962   Pages: 5
Recorded: 09/21/2017
Attorney Dkt #:004159.005480
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SALDUNGARAY, PABLO J.
Exec Dt:
08/28/2017
2
PFUTZNER, HAROLD
Exec Dt:
08/27/2017
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10208582
US20180058188
15246296
Correspondence name and address
BRACEWELL LLP
PO BOX 61389
HOUSTON, TX 77208-1389
Assignment: 11
Reel/Frame:046480/0087   Pages: 6
Recorded: 07/27/2018
Attorney Dkt #:IS17.0140-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PFUTZNER, HAROLD
Exec Dt:
06/13/2018
2
SAUERER, BASTIAN
Exec Dt:
06/13/2018
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11530611
US20190345822
15978322
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 12
Reel/Frame:049430/0485   Pages: 9
Recorded: 06/11/2019
Attorney Dkt #:IS17.0694-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOMAN, DEAN
Exec Dt:
03/26/2019
2
RASMUS, JOHN
Exec Dt:
05/07/2019
3
AIDAGULOV, GALLYAM
Exec Dt:
04/10/2019
4
PFUTZNER, HAROLD
Exec Dt:
04/05/2019
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11520070
US20190235122
16265613
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 13
Reel/Frame:054553/0801   Pages: 7
Recorded: 12/01/2020
Attorney Dkt #:IS17.0143-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PFUTZNER, HAROLD
Exec Dt:
06/21/2019
2
BADRI, MOHAMMED
Exec Dt:
06/16/2019
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11680481
US20210164341
17059616
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 14
Reel/Frame:051125/0776   Pages: 8
Recorded: 11/27/2019
Attorney Dkt #:IS18.0079-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PFUTZNER, HAROLD
Exec Dt:
10/25/2019
2
BADRI, MOHAMMED
Exec Dt:
09/15/2019
3
ABBAD, MUSTAPHA
Exec Dt:
09/16/2019
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11163089
US20210026034
16522877
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 15
Reel/Frame:054708/0044   Pages: 8
Recorded: 12/21/2020
Attorney Dkt #:IS17.1589-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PFUTZNER, HAROLD
Exec Dt:
10/25/2019
2
AIDAGULOV, GALLYAM
Exec Dt:
09/15/2019
3
BADRI, MOHAMMED
Exec Dt:
09/15/2019
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210270115
17254367
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 16
Reel/Frame:056286/0281   Pages: 8
Recorded: 05/19/2021
Attorney Dkt #:IS18.0080-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PFUTZNER, HAROLD
Exec Dt:
05/13/2021
2
BADRI, MOHAMMED
Exec Dt:
09/15/2019
3
ABBAD, MUSTAPHA
Exec Dt:
09/16/2019
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11041974
US20210003739
16504050
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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