Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12092392 | Dehydrogenation separation unit with mixed refrigerant cooling | Douglas A. Ducote, Jr., Brent A. Heyrman, Timothy P. Gushanas | 2024-09-17 |
| 11629912 | Dehydrogenation separation unit with mixed refrigerant cooling | Douglas A. Ducote, Jr., Brent A. Heyrman, Timothy P. Gushanas | 2023-04-18 |
| 11543181 | Dehydrogenation separation unit with mixed refrigerant cooling | Douglas A. Ducote, Jr., Brent A. Heyrman, Timothy P. Gushanas | 2023-01-03 |
| 6308532 | System and process for the recovery of propylene and ethylene from refinery offgases | — | 2001-10-30 |
| 5345772 | Single column distillative separation employing bottom additives | — | 1994-09-13 |
| 5315832 | Process for the recovery of a light hydrocarbon fraction from marine loading operations | — | 1994-05-31 |
| 4717408 | Process for prevention of water build-up in cryogenic distillation column | — | 1988-01-05 |
| 4681612 | Process for the separation of landfill gas | John V. O'Brien, Arthur S. Holmes | 1987-07-21 |