Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9003829 | Nitrogen removal from natural gas | Heinz Bauer, Daniel Garthe | 2015-04-14 |
| 5676921 | Method for the recovery of elemental sulfur from a gas mixture containing H.sub.2 S | Michael Heisel, Freimut Marold | 1997-10-14 |