Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490884 | Process and device for production of oxygen and nitrogen | Jurgen Voit | 2002-12-10 |
| 6314755 | Double column system for the low-temperature fractionation of air | Jurgen Voit | 2001-11-13 |