Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8557025 | Generating oxygen in hospitals | Matthias Grahl, Philippe Sage, Paul Leitgeb | 2013-10-15 |
| 4717397 | Adsorbate recovery in PSA process | Frank Wiessner | 1988-01-05 |
| 4328675 | Method of recovering power in a counterpressure-steam system | Anton Pocrnja, Josef Dworschak | 1982-05-11 |