Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4564143 | Hot-blast nozzles, particularly for blast furnaces | — | 1986-01-14 |
| 4411311 | Heat exchange devices for cooling the wall and refractory of a blast-furnace | — | 1983-10-25 |
| 4210101 | Heat exchange devices for cooling the wall and refractory of a blast furnace | — | 1980-07-01 |
| 4192258 | Cooling boxes for blast-furnaces | — | 1980-03-11 |