Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5547170 | Gas and/or solid material blasting device for a metallurgical vessel and method of manufacture thereof | Harald Kaune, Theo Scheuten | 1996-08-20 |
| 5533713 | Gas and/or solid material blasting device for a metallurgical vessel and method of manufacture thereof | Harald Kaune, Theo Scheuten | 1996-07-09 |
| 4988649 | Silica bricks and process for production thereof | Klaus Santowski, Hermann Leupold | 1991-01-29 |