Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883518 | Process for air fractionation by low-temperature rectification | Gunnar Eggendorfer, Horst Corduan | 1989-11-28 |
| 4555256 | Process and device for the production of gaseous oxygen at elevated pressure | Gunnar Eggendorfer | 1985-11-26 |
| 4279631 | Process and apparatus for the production of oxygen by two-stage low-temperature rectification of air | — | 1981-07-21 |