Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989637 | Gas mixing apparatus | — | 1991-02-05 |
| 4549999 | Cooling tower | Gunter Ernst, Edmund Baer, Dieter Wurz | 1985-10-29 |
| 4541968 | Cooling tower | Gunter Ernst, Edmund Baer, Dieter Wurz, Wilhelm Roller | 1985-09-17 |
| 4528003 | Apparatus for separating gaseous hydrogen isotopes | Hartmut Frey | 1985-07-09 |
| 4464905 | Cryosorption pump | Hartmut Frey, Ralf-Dieter Penzhorn | 1984-08-14 |