Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4509343 | Apparatus for inserting a flexible bag into a fluid transmission line | — | 1985-04-09 |
| 4492095 | Apparatus and method for forming a temporary plug in a fluid conduit | — | 1985-01-08 |
| 4441328 | Method and apparatus for forming a temporary plug in a submarine conduit | — | 1984-04-10 |
| 4428204 | Method for forming a temporary plug in a fluid conduit | — | 1984-01-31 |
| 4416118 | Method and apparatus for controlling the formation of a temporary plug in a fluid transmission line | — | 1983-11-22 |
| 4370862 | Apparatus and method for freezing a slug of liquid in a section of a large diameter fluid transmission line | — | 1983-02-01 |
| 4314577 | Installation, hydrostatic testing, repair and modification of large diameter fluid transmission lines | — | 1982-02-09 |
| 4220012 | Apparatus for freezing a slug of liquid in a section of a large diameter fluid transmission line | — | 1980-09-02 |