skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : KOSTOV, CLEMENT
Total Assignments: 24
Assignment: 1
Reel/Frame:005152/0049   Pages: 3
Recorded: 07/10/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/01/1989
2
Exec Dt:
06/01/1989
3
Exec Dt:
06/06/1989
Assignee
1
277 PARK AVE.
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07360185
Correspondence name and address
CLIFFORD L. TAGER
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY RD.
RIDGEFIELD, CT 06877-4108
Assignment: 2
Reel/Frame:013190/0202   Pages: 4
Recorded: 08/13/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/24/2002
2
Exec Dt:
07/17/2002
3
Exec Dt:
07/26/2002
Assignee
1
10001 RICHMOND AVENUE
WESTERNGECO INTELLECTUAL PROPERTY DEPARTMENT, P. O. BOX 2469, HOUSTON, TEXAS 77252-2469
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10165439
Correspondence name and address
WESTERNGECO INTELLECTUAL PROPERTY DEPT.
DAVID S. FIGATNER
10001 RICHMOND AVE.
HOUSTON, TX 77042
Assignment: 3
Reel/Frame:017909/0745   Pages: 8
Recorded: 10/28/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/02/2005
2
Exec Dt:
09/02/2005
3
Exec Dt:
09/02/2005
4
Exec Dt:
09/01/2005
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10554776
Correspondence name and address
WESTERNGECO, L.L.C.
ATTN: REBECCA TANIS
P.O. BOX 2469
HOUSTON, TX 77252-2469
Assignment: 4
Reel/Frame:018370/0258   Pages: 4
Recorded: 10/10/2006
Attorney Dkt #:57.0577 US PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/21/2006
2
Exec Dt:
03/03/2006
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10569066
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
36 OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 5
Reel/Frame:017972/0198   Pages: 11
Recorded: 07/21/2006
Attorney Dkt #:14.0307-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/15/2006
2
Exec Dt:
07/06/2006
3
Exec Dt:
03/15/2006
4
Exec Dt:
07/10/2006
5
Exec Dt:
03/15/2006
6
Exec Dt:
03/14/2006
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11457125
Correspondence name and address
JEFFREY E. GRIFFIN
10001 RICHMOND AVENUE
HOUSTON, TX 77042
Assignment: 6
Reel/Frame:018983/0280   Pages: 6
Recorded: 03/08/2007
Attorney Dkt #:14.0314-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/31/2006
2
Exec Dt:
02/02/2007
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11683857
Correspondence name and address
RHONDA J. SMITH
10001 RICHMOND AVENUE
HOUSTON, TX 77042
Assignment: 7
Reel/Frame:019500/0683   Pages: 8
Recorded: 06/29/2007
Attorney Dkt #:53.0061-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/08/2007
2
Exec Dt:
06/04/2007
3
Exec Dt:
06/08/2007
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11771947
Correspondence name and address
RHONDA J. SMITH
10001 RICHMOND AVENUE
HOUSTON, TX 77042
Assignment: 8
Reel/Frame:020290/0024   Pages: 9
Recorded: 12/26/2007
Attorney Dkt #:57.0820-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/21/2007
2
Exec Dt:
12/20/2007
3
Exec Dt:
12/21/2007
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11964402
Correspondence name and address
WESTERNGECO L.L.C.
PO BOX 2469
HOUSTON, TX 77252-2469
Assignment: 9
Reel/Frame:023116/0350   Pages: 10
Recorded: 08/19/2009
Attorney Dkt #:57.0671-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/11/2009
2
Exec Dt:
08/10/2009
3
Exec Dt:
03/11/2009
4
Exec Dt:
03/11/2009
Assignee
1
10001 RICHMOND AVENUE
IP DEPT- JEFF GRIFFIN
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12543627
Correspondence name and address
WESTERNGECO L.L.C.
10001 RICHMOND AVENUE
JEFFREY E. GRIFFIN
HOUSTON, TX 77042-4299
Assignment: 10
Reel/Frame:022558/0498   Pages: 9
Recorded: 04/17/2009
Attorney Dkt #:57.0734 US PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/01/2009
2
Exec Dt:
04/06/2009
3
Exec Dt:
04/01/2009
4
Exec Dt:
04/05/2009
Assignee
1
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12439099
Correspondence name and address
JAMES MCALEENAN
ONE HAMPSHIRE STREET
SCHLUMBERGER TECHNOLOGY CORPORATION
CAMBRIDGE, MA 02139
Assignment: 11
Reel/Frame:025108/0622   Pages: 7
Recorded: 10/07/2010
Attorney Dkt #:57.0808 US PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/13/2010
2
Exec Dt:
08/23/2010
3
Exec Dt:
08/06/2010
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12740484
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MA 02139
Assignment: 12
Reel/Frame:025825/0498   Pages: 8
Recorded: 02/17/2011
Attorney Dkt #:18.0096 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/20/2011
2
Exec Dt:
01/20/2011
3
Exec Dt:
01/20/2011
Assignee
1
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12947276
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MA 02139
Assignment: 13
Reel/Frame:027396/0424   Pages: 8
Recorded: 12/16/2011
Attorney Dkt #:57.0815 US PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/28/2011
2
Exec Dt:
11/29/2011
3
Exec Dt:
11/22/2011
4
Exec Dt:
11/29/2011
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042-4299
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13259546
Correspondence name and address
STEVEN GAHLINGS
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042-4299
Assignment: 14
Reel/Frame:027477/0845   Pages: 9
Recorded: 01/04/2012
Attorney Dkt #:57.0913-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/28/2011
2
Exec Dt:
11/29/2011
3
Exec Dt:
12/12/2011
4
Exec Dt:
11/29/2011
5
Exec Dt:
12/02/2011
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042-4299
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13259639
Correspondence name and address
STEVEN GAHLINGS
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042-4299
Assignment: 15
Reel/Frame:030592/0171   Pages: 10
Recorded: 06/11/2013
Attorney Dkt #:IS12.2282USNP ASSIGNMENT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/30/2013
2
Exec Dt:
05/30/2013
3
Exec Dt:
06/11/2013
4
Exec Dt:
06/05/2013
5
Exec Dt:
05/30/2013
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13905131
Correspondence name and address
SCHLUMBERGER - COE
WESTERNGECO 10001 RICHMOND AVE.
ROOM 3028
HOUSTON, TX 77042
Assignment: 16
Reel/Frame:031129/0981   Pages: 13
Recorded: 09/03/2013
Attorney Dkt #:IS12.2365USNP ASSIGNMENT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/05/2013
2
Exec Dt:
06/04/2013
3
Exec Dt:
06/04/2013
4
Exec Dt:
06/11/2013
5
Exec Dt:
06/05/2013
6
Exec Dt:
06/04/2013
7
Exec Dt:
06/04/2013
8
Exec Dt:
08/29/2013
Assignee
1
200 GILLINGHAM LANE, MD1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13909060
Correspondence name and address
SCHLUMBERGER - COE
WESTERNGECO 10001 RICHMOND AVE.
ROOM 3028
HOUSTON, TX 77042
Assignment: 17
Reel/Frame:033758/0224   Pages: 6
Recorded: 09/17/2014
Attorney Dkt #:IS13.4695-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/17/2014
2
Exec Dt:
09/17/2014
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
14283839
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
HOUSTON, TX 77042
Assignment: 18
Reel/Frame:039724/0418   Pages: 6
Recorded: 09/14/2016
Attorney Dkt #:IS12.2305-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/06/2015
2
Exec Dt:
01/19/2015
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
15108232
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 19
Reel/Frame:039926/0866   Pages: 8
Recorded: 10/04/2016
Attorney Dkt #:IS12.2925-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/22/2015
2
Exec Dt:
07/08/2015
3
Exec Dt:
09/30/2016
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14655719
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 20
Reel/Frame:038839/0095   Pages: 8
Recorded: 06/08/2016
Attorney Dkt #:IS13.3322-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/10/2015
2
Exec Dt:
09/09/2015
3
Exec Dt:
09/10/2015
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14847004
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 21
Reel/Frame:040406/0795   Pages: 6
Recorded: 11/23/2016
Attorney Dkt #:IS15.0180-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/08/2016
2
Exec Dt:
11/22/2016
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14975076
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 22
Reel/Frame:041212/0857   Pages: 8
Recorded: 02/09/2017
Attorney Dkt #:IS14.9088-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/08/2016
2
Exec Dt:
10/03/2016
3
Exec Dt:
02/02/2017
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14846693
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 23
Reel/Frame:042024/0001   Pages: 8
Recorded: 04/17/2017
Attorney Dkt #:IS14.8897-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/16/2016
2
Exec Dt:
11/02/2016
3
Exec Dt:
11/16/2016
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15509076
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
HOUSTON, TX 77042
Assignment: 24
Reel/Frame:051300/0001   Pages: 13
Recorded: 12/17/2019
Attorney Dkt #:IS17.0527-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/31/2018
2
Exec Dt:
08/01/2018
3
Exec Dt:
07/31/2018
4
Exec Dt:
09/20/2018
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16622307
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
HOUSTON, TX 77042

Search Results as of: 03/29/2024 09:28 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT