Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6264724 | Process for the production of spongy metal | Gerald Rosenfellner | 2001-07-24 |
| 6251162 | Process for the production of liquid pig iron or liquid intermediate products of steel | Ernst Eichberger, Gunter Schrey, Franz Reufer, Gerald Rosenfellner | 2001-06-26 |
| 5997608 | Process for the production of molten pig iron or molten steel, pre-products and sponge iron and a plant for carrying out the process | Gerald Rosenfellner, Leopold Werner Kepplinger, Konstantin Milionis, Dieter Siuka, Horst Wiesinger | 1999-12-07 |
| 5997609 | Sponge iron production process and plant | Gerald Rosenfellner | 1999-12-07 |
| 5846268 | Process for producing liquid pig iron or liquid steel preproducts and sponge iron as well as a plant for carrying out the process | Gerald Rosenfellner | 1998-12-08 |