Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6107533 | Foulant reducing upstream hydrogenation unit systems | Rimas V. Vebeliunas, Neil James Drummond, Sheri Renee Snider, Robert D. Strack, Roy T. Halle | 2000-08-22 |
| 5342509 | Fouling reducing dual pressure fractional distillator | Sheri Renee Snider, Rimas V. Vebeliunas, Roy T. Halle, Robert D. Strack | 1994-08-30 |
| 5090977 | Sequence for separating propylene from cracked gases | Robert D. Strack, Rimas V. Vebeliunas, Roy T. Halle | 1992-02-25 |