Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7537724 | Cooling plate for metallurgic furnaces | Herbert Scharinger, Walter Rainer Kastner | 2009-05-26 |
| 6511629 | Shaft furnace | Leopold Werner Kepplinger, Rainer Walter Kastner, Kurt Wieder, Wilhelm Schiffer | 2003-01-28 |
| 6391249 | Device for producing sponge iron | Hado Heckmann, Georg Schleich, Wolfgang Guenther, Kurt Wieder | 2002-05-21 |
| 6213762 | Shaft furnace | Ernst Eichberger | 2001-04-10 |
| 5271609 | Plant comprising a shaft | Leopold Werner Kepplinger, Wilhelm Schiffer, Bernhard Rinner | 1993-12-21 |
| 4678419 | Arrangement for the production of vitrified slag | Bernhard Enkner, Dietmar Stephani, Leopold Schropp | 1987-07-07 |