Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5943869 | Cryogenic cooling of exothermic reactor | Alan Cheng | 1999-08-31 |
| 5856533 | High efficiency heat and mass transfer for vapor phase heterogeneous reactions | Joshua B. Sweeney, Roger W. Day | 1999-01-05 |
| 5763544 | Cryogenic cooling of exothermic reactor | Alan Cheng | 1998-06-09 |
| 5634355 | Cryogenic system for recovery of volatile compounds | Alan Cheng | 1997-06-03 |