Patents by Inventor Edward W. Kent

Edward W. Kent 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).

  • Laminated trough for a spiral concentrator and process for construction of same
    Patent number: 4731270
    Abstract: A laminated trough for a spiraled mineral concentrator; the trough composed of two or more laminates, chemically bonded, and the process for constructing the same.The trough includes a top laminate of highly abrasion-resistant soft elastomer, the elastomer applied as a liquid directly to a release treated mold; and a bottom laminate composed of a rigid material which is applied to the soft elastomer before final curing of the latter, the bottom laminate providing structural support for the soft elastomer.An intercoat, chemically bonded to both top and bottom laminates, may also be provided.
    Type: Grant
    Filed: June 16, 1986
    Date of Patent: March 15, 1988
    Inventors: Edward W. Kent, John W. S. Roeder