Patents by Inventor Frederick J. Huffman

Frederick J. Huffman 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: 4921412
    Abstract: A pair of parallel supports or uprights have upper and lower mold platens slidably mounted thereon and an annular piston is provided for moving the lower platen upwardly for mold closing action with stop means being provided for the upper mold platen to obtain a movable mold platen and accurate register for simplified, accurate mold closing and opening actions. A multi-cylinder center post assembly is provided to engage the tire curing bladder at its upper and lower ends and provide improved control action therefore during tire curing cycles.
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: May 1, 1990
    Assignee: Scantland Industries, Inc.
    Inventors: Joe F. Scantland, Frederick J. Huffman
  • Patent number: 4751843
    Abstract: Apparatus for exposing the interior of tires including a rotary disc for receiving and positioning a tire on its side thereon and members engage the bead of a tire for positioning the tire and holding one bead and sidewall portion against the rotary disc to cause the tire to rotate with the disc and permit inspection of at least a portion of the interior wall of a tire being inspected, and a second rotary disc is positioned spaced from the first named means to receive the tire thereon and other members engage a bead and sidewall portion of the tire to expose a different inner sidewall area of the tire for inspection purposes. Other members are present to transfer a test tire from one rotary disc to the other and to turn the tire through a 180.degree. arc while being transported from the first disc to the second disc.
    Type: Grant
    Filed: April 17, 1987
    Date of Patent: June 21, 1988
    Assignee: Scantland Industries, Inc.
    Inventors: Joe F. Scantland, Frederick J. Huffman