Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6129889 | Gas-flushing base for metallurgical vessels | Franz Reiterer, Walter Hammerer, Karl-Heinz Dott, Klaus Dosinger, Michael Heiligenbrunner | 2000-10-10 |
| 5368459 | Device for preparing and feeding a monolithic ceramic mass into a metallurgical melting vessel | Alexander Retschnig | 1994-11-29 |
| 5333843 | Device for installing and removing gas purging plugs for metallurgical vessels | Leopold Kneis | 1994-08-02 |