Patents by Inventor Gerals R. Goldgraben

Gerals R. Goldgraben 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).

  • Apparatus for vertical slipforming of concrete walls
    Patent number: 5198235
    Abstract: A device for vertical slipforming of concrete walls includes a rigid frame and at least one slipform assembly suspended from and vertically displaceable with respect to the frame. Concrete is delivered to the interior of each slipform assembly which is incrementally raised as the concrete sets and further concrete is supplied. Thus, concrete panels having a vertical orientation are progressively cast in the slipform assemblies at a job site.
    Type: Grant
    Filed: November 12, 1991
    Date of Patent: March 30, 1993
    Inventors: Stuart W. M. Reichstein, Gerals R. Goldgraben