Patents by Inventor Walter J. Walek

Walter J. Walek 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).

  • Selective loading of plastic molding compression molds
    Patent number: 4158537
    Abstract: A shuttle having the same shape as a mold cavity has a slidably removable bottom so that material distributed in the shuttle may be dropped into the mold by removing the slidable bottom with a series of baffles positioned in the mold serving to hold the material in the shuttle in position so it will not be moved out of position as the slidable bottom is removed.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: June 19, 1979
    Assignee: United Technologies Corporation
    Inventors: Frederick L. Cuff, Walter J. Walek