Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8580123 | Skimmer, barge and methods for recovering and transferring heavy oil or bitumen | — | 2013-11-12 |
| 8273250 | Skimmer, barge and methods for recovering and transferring heavy oil or bitumen | — | 2012-09-25 |
| 6328888 | Skimmer | — | 2001-12-11 |
| 5743694 | Oil recovery apparatus | — | 1998-04-28 |
| 5548632 | Safe alert emergency alerting system for remotely located sites | Frank Walsh, Paul N. Gergen | 1996-08-20 |
| 5399054 | Oil recovery apparatus | — | 1995-03-21 |