Patents Assigned to Culligan International Co.
  • Patent number: 5290443
    Abstract: A faucet-mounted filter in which a housing is positioned in flow transmitting relation with the water flow line. A microporous, filter is positioned to sealingly occlude water flow through the housing so that all water flow through the housing must pas through porous walls of the filter. The pores of the filter walls are no larger than 0.22 micron, as measured by the particles that the pores pass. Thus the filter is capable of microbial filtering.
    Type: Grant
    Filed: October 24, 1991
    Date of Patent: March 1, 1994
    Assignee: Culligan International Co.
    Inventor: William W. Norton