Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848982 | Arrangement for cooling a synthetic gas in a quenching cooler | Arnold Tolle, Manfred Forster, Heinz Haacker | 1989-07-18 |
| 4711297 | Rotary tube cooler construction | Heinz Haacker | 1987-12-08 |