Patents by Inventor Robert T. Hipple, deceased

Robert T. Hipple, deceased 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).

  • Triple action mechanism for producing high reduction cups in a double action press
    Patent number: 4020670
    Abstract: This invention relates to apparatus adaptable for use on a double acting press for producing high reduction metallic cups of high quality. The double acting press is provided with a crankshaft having a pair of offset cranks for attachment to the outer punch holder and the redraw horn assembly to produce a time lag between the operation of the outer punch holder and the redraw horn assembly.
    Type: Grant
    Filed: March 19, 1976
    Date of Patent: May 3, 1977
    Assignee: Redicon Corporation
    Inventors: Joseph D. Bulso, Jr., Robert T. Hipple, deceased