Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4281963 | Apparatus for the conveyance and/or treatment of hot gases | Hannes Schulze Horn | 1981-08-04 |
| 4252521 | Furnace for the heat treatment of lumpy to fine grained material | — | 1981-02-24 |
| 4243379 | Shaft preheater | Hannes Schulze Horn | 1981-01-06 |