Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5401321 | Method for cleaning material contaminated with greasy or oily substances | Franz Hugo, Erwin Wanetzky | 1995-03-28 |
| 5232043 | Device for identifying the solid-liquid interface of a melt | Erwin Wanetzky | 1993-08-03 |
| 5066223 | Melting and casting furnace | — | 1991-11-19 |