Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39536 | Method and plant utilizing fine coal in a melter gasifier | Parviz Zahedi | 2007-04-03 |
| 6511529 | Method of reducing the number of pollutants in a gas flow and device for carrying out said method | Karin Pichler, Alfred Hirsch | 2003-01-28 |
| 6332911 | Method and plant of utilizing fine coal in a melter gasifier | Parviz Zahedi | 2001-12-25 |
| 6287363 | Method of utilizing dusts produced during the reduction of iron ore | Herbert Grunbacher, Franz Zettl, Stefan Zettl | 2001-09-11 |
| 6251162 | Process for the production of liquid pig iron or liquid intermediate products of steel | Ernst Eichberger, Franz Reufer, Jorg Diehl, Gerald Rosenfellner | 2001-06-26 |
| 6171365 | Process for the production of liquid pig iron or liquid intermediate products of liquid steel and spongy metal | Herbert Grunbacher, Gerald Rosenfellner | 2001-01-09 |
| 5853453 | Method of processing iron-containing mettalurgical residual substances as well as arrangement for carrying out said method | Johann Lehner | 1998-12-29 |
| 5514203 | Process for producing an iron melt | Herbert Grunbacher, Leopold Werner Kepplinger, Franz Reufer | 1996-05-07 |
| 5505903 | Method of producing cold-moulded iron-containing briquettes | Gero Tessmer, Karl Katzensteiner, Klaus Kopper | 1996-04-09 |
| 5435832 | Process for utilising iron-containing wastes or residues | Leopold Werner Kepplinger, Gero Tessmer | 1995-07-25 |