Patents by Inventor Howard L. Hill

Howard L. Hill 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).

  • Light weight tire mold for two piece tread ring
    Patent number: 4616986
    Abstract: A mold for molding tires having complimentary sidewall rings and mating with a split tread ring having two halves each being a single cast piece having the tire tread pattern indicia on the inside thereof and extending from the inside tread pattern all the way to the outside diameter of the mold.
    Type: Grant
    Filed: October 19, 1984
    Date of Patent: October 14, 1986
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Howard L. Hill, Gary L. Gillum