Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6508853 | Process for the production of metal melts | Stefan Dimitrov, Norbert Ramaseder, Wilfried Pirklbauer, Yoyou Zhai, Ernst Fritz +1 more | 2003-01-21 |
| 6264883 | Plant for the production of metal melts | Stefan Dimitrov, Norbert Ramaseder, Wilfried Pirklbauer, Yoyou Zhai, Ernst Fritz +1 more | 2001-07-24 |
| 6142765 | Process for burning fuel | Norbert Ramaseder, Johannes Müller, Stefan Dimitrov, Harald Berger | 2000-11-07 |
| 5835524 | Scrap-melting electric arc furnace | Harald Berger, Peter Mittag, Heinrich Auberger, Peter Wimmer, Johann Auer +1 more | 1998-11-10 |
| 5573573 | Electric arc furnace arrangement for producing steel | Harald Berger, Peter Mittag, Gert Pfeiffer | 1996-11-12 |
| 5529598 | Bottom anode for a metallurgical vessel | Harald Berger, Peter Mittag | 1996-06-25 |
| 5471495 | Electric arc furnace arrangement for producing steel | Harald Berger, Peter Mittag, Gert Pfeiffer | 1995-11-28 |
| 5423900 | Method for blowing oxidizing gases into molten metal | Klaus Klintworth, Rainer Zechner, Rudolf Flesch, Manfred Redetzky, Harald Berger | 1995-06-13 |
| 5410566 | Method of producing metal melts and an electric arc furnace therefor | Harald Berger, Peter Mittag | 1995-04-25 |
| 5366538 | Process for the production of a metal melt | Harald Berger, Klaus Klintworth | 1994-11-22 |
| 5304230 | Method of disposing of organic and inorganic substances and a plant for carrying out the method | Harald Berger, Otto Koller | 1994-04-19 |
| 5238484 | Plant for the production of molten metals and method | Wilfried Pirklbauer, Alfred Weber | 1993-08-24 |
| 5234200 | Method and arrangement for preventing crusts from agglomeration in a metallurgical vessel | Wilfried Pirklbauer, Norbert Ramaseder | 1993-08-10 |
| 4781238 | Refractory channel connection apparatus in a metallurgical vessel | Laurenz Keisers, Kurt Engelmann | 1988-11-01 |