DEM Service S.R.L.
|DEM Service S.R.L. Patent applications|
|Patent application number||Title||Published|
|20090113662||FILTER SUPPORT FOR A VACUUM CLEANER - A filter support for a vacuum cleaner is provided with a frame suitable for supporting a filter and with a shaking device for making the frame vibrate in use, which has an actuator provided with a fan that is rotated by an air flow that in use passes through the Frame.||05-07-2009|