Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4582454 | Apparatus and method for feeding pulverized coal into an air line to a blast furnace | Johannes J. M. Cornelissen | 1986-04-15 |
| 4375956 | Hot blast stove arrangement for a blast furnace | Cornelis van Herk | 1983-03-08 |