Patents Assigned to elfo AG
  • Water filter
    Patent number: 7871528
    Abstract: The water filter including a container, which has a bottom and a cover, wherein several inlets are provided on the border of the cover and an outlet is provided in the centre of the bottom. A spiral channel is located in the container, through which the inlets are connected to the outlet.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: January 18, 2011
    Assignee: elfo AG
    Inventors: Beat Aregger, Ruedi Gasser