Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6351970 | Method for extracting xenon | Erich Hahn, Jurgen Voit | 2002-03-05 |
| 6332337 | Method and apparatus for recovering oxygen at hyperbaric pressure | — | 2001-12-25 |
| 5901574 | Device and process for evaporating a liquid | — | 1999-05-11 |
| 5613374 | Process for the low temperature separation of air and air separation installation | Anton Moll | 1997-03-25 |
| 5590544 | Process and apparatus for recovery of pure argon | Horst Corduan | 1997-01-07 |
| 5263328 | Process for low-temperature air fractionation | — | 1993-11-23 |
| 5084081 | Low temperature air fractionation accommodating variable oxygen demand | — | 1992-01-28 |
| 5019145 | Argon purification | Horst Corduan | 1991-05-28 |
| 4932212 | Process for the production of crude argon | — | 1990-06-12 |
| 4698072 | Adsorber bed apparatus | Hannsjorg Koch, Michael Metschl | 1987-10-06 |
| 4698073 | Process for regeneration of adsorbers | Günter Klein | 1987-10-06 |
| 4353716 | Process and apparatus for the regeneration of an adsorber | — | 1982-10-12 |
| 4337070 | Continuous system of rectification | — | 1982-06-29 |