Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6041793 | Method and apparatus for reducing oil cargo sludge in tankers | — | 2000-03-28 |
| 5873181 | System for cleaning the interior of tanks and other objects | — | 1999-02-23 |
| 5755389 | Method and apparatus for recovering the fuel value of crude oil sludge | — | 1998-05-26 |
| 5711819 | Method for cleaning the interior of tanks and other objects | — | 1998-01-27 |
| 5653865 | Method and apparatus for recovering the fuel value of crude oil sludge | — | 1997-08-05 |