Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758118 | Process and apparatus for the metered introduction of fine-grain solid materials into an industrial furnace particularly a blast furnace or cupola furnace | Hans Schott | 1988-07-19 |
| 4753677 | Process and apparatus for producing steel from scrap | — | 1988-06-28 |
| 4570552 | Process and apparatus for delivering carbon material to a furnace | Hans H. Boiting | 1986-02-18 |