Patents by Inventor Barbara Jean Williams

Barbara Jean Williams has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Nonwoven filter media
    Patent number: 6169045
    Abstract: There is provided in accordance with the present invention a lofty filter medium for filtering fluid-borne particles, which comprises a nonwoven fiber web of crimped fibers selected from the group consisting of spunbond fibers and staple fibers, wherein the filter medium has a density between about 0.005 g/cm3 and about 0.1 g/cm3. The lofty filter medium is highly suitable for fluid-borne particle filtration applications, such as filtration media for transmission fluids, hydraulic fluids, swimming pool water, coolant oil or cutting fluid for metalworking, metal forming and metal rolling, air-borne particle filtration and the like.
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: January 2, 2001
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Richard Daniel Pike, John Joseph Lassig, Peter Wyndham Shipp, Jr., Barbara Jean Williams