Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6306338 | Melt withdrawal device for melt furnaces for charging casting machines | Otto Ehrentraut, Alfred Sigmund | 2001-10-23 |
| 5908066 | Process and device for charging foundry machines | — | 1999-06-01 |
| 5908488 | Magnesium melting furnace and method for melting magnesium | Dominik Schroder | 1999-06-01 |
| 5441390 | Worm pump for delivering a metal melt | Josef Rapp | 1995-08-15 |
| 5411240 | Furnace for delivering a melt to a casting machine | Josef Rapp | 1995-05-02 |