Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9943861 | Centrifugal separator with a control unit for speed control | Tomas Oldebäck, Rolf Ridderstrale, Per Fonser | 2018-04-17 |
| 7229399 | Screw conveyor for a decanter centrifuge | Klaus Stroucken, Rolf Ridderstrale, Kasper Höglund | 2007-06-12 |