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Patent Assignment Assignor Details
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Assignor Name : LADVA, HEMANT K.J.
Total Assignments: 9
Assignment: 1
Reel/Frame:010713/0714   Pages: 4
Recorded: 03/23/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LADVA, HEMANT K.J.
Exec Dt:
03/15/2000
2
SAWDON, CHRISTOPHER A.
Exec Dt:
03/17/2000
3
HOWARD, PAUL R.
Exec Dt:
03/16/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6803347
NONE
09533750
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
GORDON G. WAGGETT
110 SCHLUMBERGER DRIVE
MD1
SUGAR LAND, TX 77478
Assignment: 2
Reel/Frame:020530/0607   Pages: 7
Recorded: 02/20/2008
Attorney Dkt #:20.3086
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EDWARDS, JOHN
Exec Dt:
01/19/2008
2
LADVA, HEMANT K.J.
Exec Dt:
01/08/2008
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7741841
US20090167302
11966551
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 3
Reel/Frame:024648/0834   Pages: 6
Recorded: 07/08/2010
Attorney Dkt #:56.1370
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LADVA, HEMANT K.J.
Exec Dt:
06/25/2010
2
ABAD, CARLOS
Exec Dt:
06/30/2010
3
PANGA, MOHAN K.R.
Exec Dt:
06/25/2010
4
KUBALA, GREGORY
Exec Dt:
06/25/2010
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110308802
12817881
Correspondence name and address
RACHEL E. GREENE
110 SCHLUMBERGER DR., MD-1
SUGAR LAND, TX 77478
Assignment: 4
Reel/Frame:026137/0533   Pages: 4
Recorded: 04/15/2011
Attorney Dkt #:56.1337
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUTCHINS, RICHARD D.
Exec Dt:
04/07/2011
2
LADVA, HEMANT K.J.
Exec Dt:
04/07/2011
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120247777
13075341
Correspondence name and address
MARTIN RZANIAK
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 5
Reel/Frame:027274/0252   Pages: 6
Recorded: 11/23/2011
Attorney Dkt #:IS11.0324US ASSIGNMENT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ABAD, CARLOS
Exec Dt:
11/15/2011
2
LADVA, HEMANT K.J.
Exec Dt:
11/16/2011
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8689873
US20130105162
13283556
Correspondence name and address
SCHLUMBERGER - COE
WESTERNGECO 10001 RICHMOND AVE.
ROOM 3028
HOUSTON, TX 77042
Assignment: 6
Reel/Frame:027274/0867   Pages: 6
Recorded: 11/23/2011
Attorney Dkt #:IS11.0323US ASSIGNMENT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LADVA, HEMANT K.J.
Exec Dt:
11/16/2011
2
ABAD, CARLOS
Exec Dt:
11/15/2011
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130109782
13283554
Correspondence name and address
SCHLUMBERGER - COE
WESTERNGECO 10001 RICHMOND AVE.
ROOM 3028
HOUSTON, TX 77042
Assignment: 7
Reel/Frame:031219/0033   Pages: 15
Recorded: 09/17/2013
Attorney Dkt #:IS111014USNP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, YIYAN
Exec Dt:
08/16/2013
2
MILLER, MATTHEW J.
Exec Dt:
08/15/2013
3
LOISEAU, ANTHONY
Exec Dt:
08/13/2013
4
LADVA, HEMANT K.J.
Exec Dt:
08/13/2013
5
RAMSEY, LELAND
Exec Dt:
08/13/2013
6
SHAMPINE, ROD
Exec Dt:
08/14/2013
7
GU, HONGREN
Exec Dt:
08/14/2013
8
GANGULY, PARTHA
Exec Dt:
08/26/2013
9
SHAIKH, HUMAIR
Exec Dt:
08/29/2013
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140060831
13803640
Correspondence name and address
STEPHANIE MUMA
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 8
Reel/Frame:031227/0954   Pages: 8
Recorded: 09/18/2013
Attorney Dkt #:IS133460USNP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LADVA, HEMANT K.J.
Exec Dt:
08/29/2013
2
CHEN, YIYAN
Exec Dt:
08/30/2013
3
LOISEAU, ANTHONY
Exec Dt:
08/30/2013
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150021022
13944651
Correspondence name and address
STEPHANIE MUMA
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 9
Reel/Frame:034677/0825   Pages: 6
Recorded: 01/10/2015
Attorney Dkt #:IS14.8518-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARYA, MANUEL P.
Exec Dt:
01/09/2015
2
LADVA, HEMANT K.J.
Exec Dt:
01/05/2015
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9783732
US20160168965
14567647
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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