Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4265767 | Method and apparatus for purification of waste water | Gunther Gappa, Harald Juntgen | 1981-05-05 |
| 4263271 | Process for eliminating hydrogen sulfide from gas mixtures | Klaus Henning, Harald Juntgen | 1981-04-21 |
| 4255072 | Flow leading floor for whirl chutes | Gunther Gappa, Harald Juntgen, Peter Schulz | 1981-03-10 |
| 4202770 | Apparatus for purification of waste water by means of active carbon | Gunther Gappa, Harald Juntgen | 1980-05-13 |