Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061408 | Apparatus for mass transfer between a hot gas stream and a liquid | Werner Huning, Claus Gockel, Werner Biester | 1991-10-29 |
| 4672782 | Smokestack or tower of precast reinforced concrete modules | Alfons O. Krautz | 1987-06-16 |