Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4617671 | Arrangement for producing metals, such as molten pig iron, steel pre-material and ferroalloys | Walter Lugscheider, Paul Mullner, Wilhelm Schiffer | 1986-10-14 |
| 4546483 | Plasma melting furnace arrangement | Walter Lugscheider, Ernst Riegler, Ernst Zajicek, Othmar Puhringer | 1985-10-08 |
| 4533385 | Method for producing metals, such as molten pig iron, steel pre-material and ferroalloys | Walter Lugscheider, Paul Mullner, Wilhelm Schiffer | 1985-08-06 |
| 4518417 | Method of, and arrangement for, reducing oxide-containing fine-particle ores | Walter Lugscheider, Ernst Riegler, Paul Mullner | 1985-05-21 |
| 4287738 | Method of controlling the continuous movement of stock being rolled in a rolling mill train | Hans Hojas, Johann Gsottbauer | 1981-09-08 |