Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8171984 | Latent heat storage devices | Martin Christ, Oswin Öttinger | 2012-05-08 |
| 6141949 | Process and apparatus using solar energy in a gas and steam power station | — | 2000-11-07 |
| 5860414 | Trough-shaped collector | — | 1999-01-19 |