Patents by Inventor Richard Joseph Messemer

Richard Joseph Messemer 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).

  • Method and apparatus for ejecting molded articles
    Patent number: 6346209
    Abstract: An ejector pin assembly for a split mold in which the ejector pin is held in a retracted position in a movable mold half, pushed into the mold cavity by a knock out pin contacted by the ejector pin during opening of the mold and held in contact with the knock out pin until it is pulled into the retracted position by the knock out pin upon opening of the mold.
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: February 12, 2002
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Richard Joseph Messemer, Brian Joseph Wilson, Thomas Andrew Laurich