Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4298059 | Heat exchanger and process for its manufacture | Axel Krauth, Horst Maier, Hans-Juergen Phlmann, Siegfried Foerster | 1981-11-03 |
| 4180973 | Vehicular gas turbine installation with ceramic recuperative heat exchanger elements arranged in rings around compressor, gas turbine and combustion chamber | Siegfried Forster, Gunther Hewing | 1980-01-01 |