Patents by Inventor M. Keith Hursh

M. Keith Hursh 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).

  • Reusable coffee brewing filter
    Patent number: 5852966
    Abstract: A coffee filter comprising a cylindrical coffee retaining ring, and a cylindrical sleeve, the cylindrical sleeve being sized and fitted so that it may be slidably mounted upon the cylindrical coffee retaining ring so that the inner surface of the cylindrical sleeve is in close proximity with the outer surface of the cylindrical coffee retaining ring; and comprising a sleeve and filter retaining means, fixedly attached to the cylindrical coffee retaining ring and to the cylindrical sleeve, such means being capable upon such slidable mounting of the cylindrical sleeve of fixedly attaching the cylindrical sleeve to the cylindrical coffee retaining ring, and being capable of retaining a sheet of filter paper so that such paper underlies and spans across the lower end of the cylindrical coffee retaining ring.
    Type: Grant
    Filed: May 23, 1997
    Date of Patent: December 29, 1998
    Inventor: M. Keith Hursh