Patents by Inventor William D. Heim

William D. Heim 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).

  • Belt and method of manufacture
    Patent number: 5533941
    Abstract: A belt includes a bilayer of amorphous, synthetic material and a heat fused, resin-impregnated, underlying bilayer of woven fabric. The belt is molded to have a desired profile. The belt avoids loss of tension and exhibits tensile strength along both its length and breadth. A method of manufacture includes molding the layers and profile in a single process in such a way that a single set of molds can be used for molding a desired profile in a belt of a variety of lengths.
    Type: Grant
    Filed: February 16, 1995
    Date of Patent: July 9, 1996
    Assignee: Belting Industries Co., Inc.
    Inventor: William D. Heim