Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5837208 | Hydroprocessing reactor mixer/distributor | Jeffrey R. Grott, Robert L. Bunting, Jr., Richard K. Hoehn | 1998-11-17 |
| 5518695 | Vented riser with compact multiple cyclone arrangement | Todd P. Mitchell, Paolo Palmas, Kalidas Puppala | 1996-05-21 |