Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568210 | Method and apparatus for obtaining a gaseous product by cryogenic air separation | — | 2003-05-27 |
| 6564581 | Three-column system for the low-temperature fractionation of air | — | 2003-05-20 |
| 6530242 | Obtaining argon using a three-column system for the fractionation of air and a crude argon column | — | 2003-03-11 |
| 6430961 | Process and device for the low-temperature fractionation of air | — | 2002-08-13 |
| 6418753 | Method and device for cryogenic air separation | Jurgen Voit | 2002-07-16 |
| 6351968 | Method and device for evaporating liquid oxygen | Franz Habicht | 2002-03-05 |
| 5644934 | Process and device for low-temperature separation of air | — | 1997-07-08 |