Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4937051 | Catalytic reactor with liquid recycle | John C. Zahner | 1990-06-26 |
| 4836989 | Distribution system for downflow reactors | Fouad A. Aly, David W. Lewis | 1989-06-06 |
| 4681674 | Fixed bed catalytic reactor system with improved liquid distribution | John C. Zahner | 1987-07-21 |
| 4610778 | Two-stage hydrocarbon dewaxing process | — | 1986-09-09 |
| 4226701 | Temporary shutdown of co-combustion devices | Robert A. Sailor | 1980-10-07 |