Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9475066 | Flotation apparatus and flotation method | Wolfgang Krieglstein | 2016-10-25 |
| 8794446 | Sparging device for a flotation cell | Stefan Blendinger, Robert Fleck, Gerold Franke, Werner Hartmann, Wolfgang Krieglstein | 2014-08-05 |
| 8678193 | Pneumatic flotation machine and flotation method | Wolfgang Krieglstein, Sven Menger | 2014-03-25 |