Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335870 | Cooling element for use in metallurgical furnaces | Arnulf Diener, Eugen Icking | 1982-06-22 |
| 4327900 | Cooling element for a metallurgical furnace | Arno Engel, Wille Tiedtke | 1982-05-04 |
| 4196078 | Process and apparatus for dewatering granulated material, especially granulated blast furnace slag | Erich Muller-Spath, Konrad Muller, Heinz Kister, Walter Schurhoff, Friedrich W. Hillnhutter | 1980-04-01 |