Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818106 | Spectral analysis device on a converter | Karl-Heinz Koch, Hermann-Josef Kopineck, Wilhelm Tappe | 1989-04-04 |
| RE31179 | Method of processing waste sludge from wet phosphoric acid purification facilities | Peter Meurer, Martin Hater, Rudiger Scheel | 1983-03-15 |
| 4300939 | Method of processing waste sludge from wet phosphoric acid purification acid purification facilities | Martin Hater, Rudiger Scheel | 1981-11-17 |
| 4257898 | Method of processing waste sludge from wet phosphoric acid purification facilities | Peter Meurer, Martin Hater, Rudiger Scheel | 1981-03-24 |
| 4207094 | Method for preheating the oxygen in an oxygen steel making process | Arnulf Diener, Gunter Oehmen, Robert Schrott | 1980-06-10 |