Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6558614 | Method for producing a metal melt and corresponding multifunction lance | — | 2003-05-06 |
| 6508853 | Process for the production of metal melts | Stefan Dimitrov, Norbert Ramaseder, Wilfried Pirklbauer, Yoyou Zhai, Johannes Steins +1 more | 2003-01-21 |
| 6264883 | Plant for the production of metal melts | Stefan Dimitrov, Norbert Ramaseder, Wilfried Pirklbauer, Yoyou Zhai, Johannes Steins +1 more | 2001-07-24 |
| 6241798 | Iron smelting process and plant according to the multiple zone smelting process | Stefan Dimitrov, Norbert Ramaseder, Wilfried Pirklbauer, Heinz Muller | 2001-06-05 |
| 6172367 | Method and device for measuring electromagnetic waves emanating from a melt | Norbert Ramaseder | 2001-01-09 |
| 6077324 | Method for producing alloyed steels | — | 2000-06-20 |
| 5653936 | Method of cooling a hot surface and an arrangement for carrying out the method | Bernhard Enkner, Manfred Eysn, Rudolf Gruber, Peter Kickinger | 1997-08-05 |
| 5611838 | Process for producing an iron melt | Stefan Dimitrov | 1997-03-18 |
| 4827486 | Process for increasing the energy input in electric arc furnaces | Karl Brotzmann | 1989-05-02 |
| 4702462 | Water-cooled lance for blowing oxidizing gas onto a metal melt | — | 1987-10-27 |
| 4249719 | Tuyere for the injection of reaction gas | Helmut Knuppel, Karl Brotzmann, Hans-Georg Fassbinder | 1981-02-10 |