Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12313338 | Side draw reflux heavy hydrocarbon removal system and method | Douglas A. Ducote, Jr., Mark R. Glanville, Ravikumar Vipperla, Peter James Turner, Brent A. Heyrman | 2025-05-27 |
| 12287144 | Hydrogen liquefaction system and method | Brent A. Heyrman, Ravikumar Vipperla, Mathew R. Watt, Douglas A. Ducote, Jr. | 2025-04-29 |
| 12092392 | Dehydrogenation separation unit with mixed refrigerant cooling | Douglas A. Ducote, Jr., Brent A. Heyrman, Richard Hopewell | 2024-09-17 |
| 12000653 | System and method for removing freezing components from a feed gas | Douglas A. Ducote, Jr., Mark R. Glanville | 2024-06-04 |
| 11781809 | Mixed refrigerant system and method | Douglas A. Ducote, Jr., Peter James Turner, Michael Malsam | 2023-10-10 |
| 11732962 | Mixed refrigerant system and method | Douglas A. Ducote, Jr. | 2023-08-22 |
| 11686528 | Single column nitrogen rejection unit with side draw heat pump reflux system and method | Peter James Turner, Douglas A. Ducote, Jr. | 2023-06-27 |
| 11629912 | Dehydrogenation separation unit with mixed refrigerant cooling | Douglas A. Ducote, Jr., Brent A. Heyrman, Richard Hopewell | 2023-04-18 |
| 11543181 | Dehydrogenation separation unit with mixed refrigerant cooling | Douglas A. Ducote, Jr., Brent A. Heyrman, Richard Hopewell | 2023-01-03 |
| 11428463 | Mixed refrigerant system and method | Douglas A. Ducote, Jr., Peter James Turner, Michael Malsam | 2022-08-30 |
| 11408673 | Mixed refrigerant system and method | Douglas A. Ducote, Jr., Peter James Turner, Brent A. Heyrman | 2022-08-09 |
| 11187457 | Mixed refrigerant system and method | Douglas A. Ducote, Jr. | 2021-11-30 |
| 10619918 | System and method for removing freezing components from a feed gas | Douglas A. Ducote, Jr., Mark R. Glanville | 2020-04-14 |
| 10502483 | Integrated pre-cooled mixed refrigerant system and method | Douglas A. Ducote, Jr., James Podolski | 2019-12-10 |
| 10480851 | Mixed refrigerant system and method | Douglas A. Ducote, Jr. | 2019-11-19 |
| 10345039 | Integrated pre-cooled mixed refrigerant system and method | Douglas A. Ducote, Jr., James Podolski | 2019-07-09 |
| 10267559 | Mixed refrigerant liquefaction system and method | Douglas A. Ducote, Jr., Mark R. Glanville | 2019-04-23 |
| 10060671 | Mixed refrigerant liquefaction system and method | Douglas A. Ducote, Jr., Mark R. Glanville | 2018-08-28 |