Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6292627 | Electrical heating of pipelines with pipe-in-pipe and mid-line connector | Ronald Marshall Bass | 2001-09-18 |
| 5181798 | Double pipe turntable and stinger | — | 1993-01-26 |
| 4714379 | Pipelay in slurry trench | — | 1987-12-22 |
| 4588329 | Propulsion method and apparatus for advancing a marine pipeline excavation shield | — | 1986-05-13 |