Patents Assigned to Hansen GmbH KG
  • Fluid-flow valves
    Patent number: 4029295
    Abstract: A valve comprises a casing having two casing parts with a resilient membrane clamped between the parts. A switching member mounted within the casing deforms the membrane in each of a plurality of different switching positions, to selectively open and close communication between a plurality of connections of the valve.
    Type: Grant
    Filed: October 2, 1975
    Date of Patent: June 14, 1977
    Assignee: Hansen GmbH KG
    Inventor: Werner Wassmer