Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6136051 | Method and composition for reduction of combustion chamber deposits | Majid Ahmadi, Richard E. Cherpeck | 2000-10-24 |
| 5391289 | FCC process with rapid separation of products | Bruce E. Stangeland | 1995-02-21 |
| 5141644 | Buoyed flapper valve | — | 1992-08-25 |