Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365731 | Refractory structures | Horst Hase | 1982-12-28 |
| 4227630 | Sliding gates for metallurgical vessels | — | 1980-10-14 |
| 4220268 | Self supporting refractory sliding plate | — | 1980-09-02 |
| 4182466 | Wear part for sliding gates and process for the production of such wear parts and sliding gate with such wear parts | Horst Hase | 1980-01-08 |