Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569377 | Plant for the direct reduction of particulate iron-oxide-containing material | Siegfried Zeller, Konstantin Milionis, Johann Reidetschlager, Leopold Werner Kepplinger, Johann Zirngast +1 more | 2003-05-27 |
| 6336954 | Process and plant for the direct reduction of particulate iron-oxide-containing material | Siegfried Zeller, Konstantin Milionis, Johann Reidetschlager, Leopold Werner Kepplinger, Johann Zirngast +1 more | 2002-01-08 |
| 6143053 | Process for producing sponge iron by direct reduction of iron-oxide-containing material | Johann Reidetschlager, Siegfried Zeller, Felix Wallner | 2000-11-07 |
| 6048381 | Method and arrangement for cooling hot bulk material | Leopold Werner Kepplinger, Gerhard Cip, Anton Himmel, Karl-Heinz Zimmerbauer, Roland Sachsenhofer | 2000-04-11 |
| 5879618 | Apparatus for treating fine ore | Ernst Oberndorfer, Gero Tessmer, Rudolf Weidinger | 1999-03-09 |
| 5873926 | Process for reducing oxide-containing material and plant for carrying out the process | Leopold Werner Kepplinger, Siegfried Zeller, Karl-Heinz Zimmerbauer | 1999-02-23 |
| 5871560 | Process and plant for the direct reduction of iron-oxide-containing materials | Roland Fluch, Karl Czermak, Gunter Peer | 1999-02-16 |
| 5858058 | Process and plant for avoiding metal dusting in the direct reduction of iron-oxide-containing materials | Gerald N. Kern, Werner Kepplinger, Johannes Schenk | 1999-01-12 |
| 5855643 | Direct reduction process for iron oxide-containing materials | Gerhard Cip, Konstantin Milionis, Sadat Morteza Guscheh | 1999-01-05 |
| 5833734 | Process for the direct reduction of particulate iron-containing material and a plant for carrying out the process | Gerhard Cip, Gottfried Rossmann, Konstantin Milionis | 1998-11-10 |
| 5676734 | Method of treating fine ore | Ernst Oberndorfer, Gero Tessmer, Rudolf Weidinger | 1997-10-14 |
| 5554206 | Method of charging ore | Karl Czermak, Konstantin Milionis, Gero Tessmer | 1996-09-10 |
| 5531424 | Fluidized bed direct reduction plant | — | 1996-07-02 |
| 5407179 | Fluidized bed direct steelmaking plant | — | 1995-04-18 |
| 5370727 | Fluidized process for direct reduction | — | 1994-12-06 |
| 5192486 | Plant and process for fluidized bed reduction of ore | — | 1993-03-09 |
| 5185032 | Process for fluidized bed direct steelmaking | — | 1993-02-09 |
| 5082251 | Plant and process for fluidized bed reduction of ore | — | 1992-01-21 |