Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7156371 | Device for opening or closing an opening, in particular a bottom opening of a material bunker for a blast furnace | Frank Engl, Franz-Josef Irnich | 2007-01-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7156371 | Device for opening or closing an opening, in particular a bottom opening of a material bunker for a blast furnace | Frank Engl, Franz-Josef Irnich | 2007-01-02 |