Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5809055 | Metallurgical vessel heated by direct current and having a bottom electrode | Heribert Konig | 1998-09-15 |
| 5566200 | Process and device for disposal of filter materials | Heribert Konig | 1996-10-15 |
| 5500870 | Process and device for the extraction of valuable substances | Heribert Konig | 1996-03-19 |
| 4907244 | Electric reduction furnace | Heribert Konig | 1990-03-06 |
| 4903278 | Electrode holding and positioning | Heribert Koenig | 1990-02-20 |
| 4750188 | Electrode arrangement for electroarc or reducing furnaces | Heribert Koenig | 1988-06-07 |
| 4653067 | Current feed for an electrode of an electric smelting furnace | Heribert Koenig | 1987-03-24 |
| 4406008 | Three phase arc melting and reduction furnace | Heribert Konig | 1983-09-20 |