Patent Assignment Abstract of Title
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
|
Total Assignments:
1
|
|
Patent #:
|
|
Issue Dt:
|
10/06/2009
|
Application #:
|
11180140
|
Filing Dt:
|
07/13/2005
|
|
Publication #:
|
|
Pub Dt:
|
01/18/2007
| | | | |
|
Inventors:
|
Fredrick D. Curtis, Ronald Hyden, Michael Harvey, Jimmie R. Williamson JR. et al
|
|
Title:
|
HYDRAULICALLY OPERATED FORMATION ISOLATION VALVE FOR UNDERBALANCED DRILLING APPLICATIONS
|
|
|
Assignment:
1
|
|
|
|
|
|
|
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
|
|
|
|
|
|
|
|
|
| 10200 BELLAIRE BOULEVARD |
| HOUSTON, TEXAS 77072 |
|
|
|
|
| HALLIBURTON ENERGY SERVICES, INC. |
| 2601 BELTLINE ROAD |
| 1-B-121 |
| CARROLLTON, TX 75006 |
|
|
Search Results as of:
06/18/2024 12:32 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
|
