Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843958 | Copper cooling plate for metallurgical furnaces | Elmar Korbik, Franz Reufer, Mary Maureen Brandt | 2005-01-18 |
| 5676908 | Plate for cooling shaft furnaces | Werner Otremba, Karl Spickermann | 1997-10-14 |
| 4249723 | Cooling device for smelting plants | Bruno Kammerling | 1981-02-10 |