Patents by Inventor William C. Weikert

William C. Weikert 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).

  • Concrete railroad tie casting and handling system
    Patent number: 4253817
    Abstract: A system for mass producing prestressed concrete railroad ties using a slip-forming method of casting concrete over a plurality of molds arranged side by side and end to end on a casting bed; a specially equipped continuous casting machine for slip-forming the railroad ties in an upside-down orientation; techniques and equipment for separating and removing finished railroad ties from the casting bed; a plant layout to facilitate casting and handling operations; a specially adapted apparatus for rotating groups of railroad ties to permit stacking thereof in right-side-up orientation.
    Type: Grant
    Filed: July 27, 1978
    Date of Patent: March 3, 1981
    Assignee: Martin Concrete Engineering Company
    Inventors: Frederick M. Stinton, William C. Weikert