Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9254458 | Filter inlet | Christian Andersen | 2016-02-09 |
| 7329296 | Filter bag and a filter device provided with such filter bag | Keld Christensen | 2008-02-12 |
| 6340383 | Filter having a cleaning nozzle | Keld Christensen | 2002-01-22 |
| 6120572 | Ring-shaped air distribution disc and an air distribution device having such an air distribution disc | — | 2000-09-19 |