Patents by Inventor Darrell Huffine

Darrell Huffine 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).

  • Ceramic pulley lagging
    Patent number: 8196738
    Abstract: A lagging for a belt conveyor pulley comprises a continuous and homogeneous rubber volume and a number of small plate-like ceramic lagging elements. The ceramic elements may be of rectangular, square, oval or circular shape in various patterns with and without grooving. The lagging is hot vulcanization bonded to the periphery of a pulley in a manner without seams or other paths for liquid or debris ingress to pulley rubber bond.
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: June 12, 2012
    Assignee: Precision, Inc.
    Inventors: Tim Wolf, Darrell Huffine, Matt Roozeboom