Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5017204 | Dephlegmator process for the recovery of helium | Donn Michael Herron | 1991-05-21 |
| 5011521 | Low pressure stripping process for production of crude helium | — | 1991-04-30 |
| 4761167 | Hydrocarbon recovery from fuel gas | David M. Nicholas, Thomas M. Roden | 1988-08-02 |
| 4747858 | Process for removal of carbon dioxide from mixtures containing carbon dioxide and methane | — | 1988-05-31 |
| 4654062 | Hydrocarbon recovery from carbon dioxide-rich gases | — | 1987-03-31 |