Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6349566 | Dephlegmator system and process | Lee J. Howard, Howard C. Rowles, Randy James Nickel, Bruce M. Hill | 2002-02-26 |
| 4720294 | Dephlegmator process for carbon dioxide-hydrocarbon distillation | Howard C. Rowles | 1988-01-19 |
| 4602477 | Membrane-aided distillation for carbon dioxide and hydrocarbon separation | — | 1986-07-29 |