Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994169 | Oil recovery process and apparatus for oil refinery waste | John Daniel Elliott | 1991-02-19 |
| 4968407 | Sludge dewatering and destruction within a delayed coking process | Michael J. McGrath | 1990-11-06 |
| 4621724 | Fractionator having reduced product vapor condensation in the flash zone | Robert DeBiase | 1986-11-11 |