Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819432 | Installation for harnessing thermal energy | Christian Schneider, Helmut Krauss, Hans Hofer | 1989-04-11 |
| 4372127 | Apparatus for heat transformation | Erich Pohlmann | 1983-02-08 |