Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007787 | Countercurrent reaction vessel | Ramesh Gupta, David C. Dankworth, Edward S. Ellis, James J. Schorfheide | 1999-12-28 |
| 5985131 | Hydroprocessing in a countercurrent reaction vessel | Ramesh Gupta, David C. Dankworth, Edward S. Ellis, James J. Schorfheide | 1999-11-16 |