Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5737798 | Device for a vacuum cleaner and a method for cooling a motor | Christer Wiss, Magnus Carl Wilhelm Lindmark | 1998-04-14 |
| 5664282 | Vacuum cleaner | Lennart W. Castwall, Magnus Carl Wilhelm Lindmark | 1997-09-09 |
| 5604953 | Vacuum cleaner | Lennart W. Castwall, Magnus Carl Wilhelm Lindmark | 1997-02-25 |
| 5592716 | Device for a vacuum cleaner and a method for cooling a motor | Christer Wiss, Magnus Carl Wilhelm Lindmark | 1997-01-14 |
| 5493267 | Arrangement for the transfer of control commands in an apparatus or a machine operated from the mains | Marc Ahlse, Lennart W. Castwall | 1996-02-20 |
| 4990843 | Reluctance motor | Bengt G. Hedlund | 1991-02-05 |
| 4489262 | Device for controlling a reluctance motor | Ulf Berg, Bengt G. Hedlund | 1984-12-18 |
| 4467233 | Self starting reluctance motor | Ulf Berg | 1984-08-21 |