Patents by Inventor Kelvin D. Filer

Kelvin D. Filer 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).

  • Patent number: 6531168
    Abstract: A filter system including a filter element with an upper portion with downwardly tapering side walls having a top for the receipt of a primary flavor material to be brewed and water to be poured there over for brewing purposes. Also included is a closed lower portion coupled at its periphery to the lower extent of the upper portion adapted to support ground flavor material thereon for being brewed and to allow the passage of water from above the flavor material to beneath and through the lower portion. The filter of the system is fabricated of paper in a one-piece configuration with flavor crystals dispersed throughout the entire paper of the filter for disseminating a flavor other than that of the primary flavor material.
    Type: Grant
    Filed: August 1, 2001
    Date of Patent: March 11, 2003
    Inventor: Kelvin D. Filer