Patents by Inventor Albert Van Lith

Albert Van Lith 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: 4063859
    Abstract: Fluid concrete is provided to apparatus which shapes the concrete into a desired form and may stack the finished products for removal by an operator. A concrete receiving portion of the apparatus holds the fluid concrete and discharges selected amounts thereof into a vertically open mold. The mold and the fluid concrete therein are supported during filling by a forming table. A compaction member is inserted into the mold to distribute and compact the fluid concrete therein, after which the mold may be removed from the table and held for vertical movememt by a mold carrier. Withdrawable support plates at the bottom of the mold support the shaped product therein after the mold has been removed from the forming table, with these support plates being selectively withdrawn to allow release of the shaped product from the bottom of the mold. A shaped product stacker is provided beneath the mold in position to receive shaped products released therefrom, and to stack a plurality of such products.
    Type: Grant
    Filed: July 1, 1976
    Date of Patent: December 20, 1977
    Assignee: Gary L. Halle
    Inventors: Gary L. Halle, Albert Van Lith