Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
|
| Reel/Frame: | 006299/0925 | |
| Pages: | 6 |
| | Recorded: | 11/02/1992 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
|
|
Total properties:
5
|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/01/1989
|
Application #:
|
07078127
|
Filing Dt:
|
07/27/1987
|
|
Title:
|
METHOD AND APPARATUS FOR CLEANING CONDUITS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/01/1990
|
Application #:
|
07219647
|
Filing Dt:
|
07/15/1988
|
|
Title:
|
METHOD AND APPARATUS FOR CLEANING CONDUITS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/08/1990
|
Application #:
|
07219763
|
Filing Dt:
|
07/15/1988
|
|
Title:
|
METHOD AND APPARATUS FOR CLEANING CONDUITS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/14/1989
|
Application #:
|
07275229
|
Filing Dt:
|
11/22/1988
|
|
Title:
|
METHOD AND APPARATUS FOR STEAM FLOW VENTING INCORPORATING AIR EDUCTING MEANS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/07/1992
|
Application #:
|
07628166
|
Filing Dt:
|
12/14/1990
|
|
Title:
|
METHOD AND APPARATUS FOR FORMING A FROTHED FLUID SLUG FOR PIPE CLEANING
|
|
|
Assignee
|
|
|
|
|
| 1155 NORTH DAIRY ASHFORD |
| SUITE 600 |
| HOUSTON, TEXAS 77079 |
|
|
Correspondence name and address
|
| |
STEPHEN A. LITTLEFIELD
|
| |
DOWELL SCHLUMBERGER INCORPORATED
|
| |
ATTENTION: PATENT DEPARTMENT
|
| |
POST OFFICE BOX 2710
|
| |
TULSA, OK 74101
|
Search Results as of:
05/31/2024 12:20 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
| 
