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 Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:012973/0813   Pages: 19
Recorded: 06/11/2002
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Total properties: 8
1
Patent #:
Issue Dt:
12/21/1993
Application #:
07719740
Filing Dt:
06/21/1991
Title:
DOWNHOLE TOOL APPARATUS WITH NON-METALLIC COMPONENTS AND METHODS OF DRILLING THEREOF
2
Patent #:
Issue Dt:
07/06/1993
Application #:
07883619
Filing Dt:
05/12/1992
Title:
DOWNHOLE TOOL APPARATUS WITH NON-METALLIC COMPONENTS AND METHODS OF DRILLING THEREOF
3
Patent #:
Issue Dt:
02/21/1995
Application #:
08099690
Filing Dt:
07/29/1993
Title:
DOWNHOLE TOOL WITH SLIDING VALVE
4
Patent #:
Issue Dt:
07/30/1996
Application #:
08442448
Filing Dt:
05/16/1995
Title:
DOWNHOLE TOOL APPARATUS WITH NON-METALLIC PACKER ELEMENT RETAINING SHOES
5
Patent #:
Issue Dt:
12/30/1997
Application #:
08626193
Filing Dt:
03/29/1996
Title:
DOWNHOLE TOOL APPARATUS AND METHOD OF LIMITING PACKER ELEMENT EXTRUSION
6
Patent #:
Issue Dt:
11/24/1998
Application #:
08888719
Filing Dt:
07/07/1997
Title:
SLIP RETAINING SYSTEM FOR DOWNHOLE TOOLS
7
Patent #:
Issue Dt:
11/16/1999
Application #:
09005635
Filing Dt:
01/09/1998
Title:
CHIP RESISTANT BUTTONS FOR DOWNHOLE TOOLS HAVING SLIP ELEMENTS
8
Patent #:
Issue Dt:
04/24/2001
Application #:
09311458
Filing Dt:
05/13/1999
Title:
LOW PRESSURE, HIGH TEMPERATURE COMPOSITE BRIDGE PLUG
Assignor
1
Exec Dt:
12/12/1996
Assignee
1
10200 BELLAIRE BLVD.
HOUSTON, TEXAS 77072
Correspondence name and address
HALLIBURTON ENERGY SERVICES
ROBERT A. KENT
2600 SOUTH 2ND STREET
DUNCAN, OK 73536

Search Results as of: 05/09/2024 12:22 PM
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