Patents Assigned to Case GmbH
  • Pool filter with a pre-filtering unit
    Patent number: 7264720
    Abstract: The invention relates to a pool filter comprising a housing, which can be supported on a ground side on the base, a longitudinal axis and a transversal axis, and a water inlet, a channel outlet and a pool outlet which are embodied in the housing wall thereof. A flow path from the water inlet to the pool outlet is embodied in the housing on the filter in the filter system and a filter device is arranged in the flow path. The invention is characterised in that a pre-filtering unit is arranged in the flow path in front of the filter device.
    Type: Grant
    Filed: August 22, 2003
    Date of Patent: September 4, 2007
    Assignee: Case GmbH
    Inventor: Dieter Hoffmeier