Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4635586 | Setup for producing metallic coatings | Hans Kettler, Ulrich Tenhaven | 1987-01-13 |
| 4587135 | Process for producing metallic coatings | Hans Kettler, Ulrich Tenhaven | 1986-05-06 |
| 4335870 | Cooling element for use in metallurgical furnaces | Walter Laucht, Eugen Icking | 1982-06-22 |
| 4207094 | Method for preheating the oxygen in an oxygen steel making process | Fritz Meininghaus, Gunter Oehmen, Robert Schrott | 1980-06-10 |