Patents by Inventor Stephen S. Esh

Stephen S. Esh 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).

  • Dump truck unloader
    Patent number: 4784563
    Abstract: An unloader for an unmodified dump truck which uses a temporarily installed conveyor along the flat bottom to dispense materials. Two struts of angle iron extend out from the conveyor to the bin sides and are pressed against the sides by threaded fittings. The struts hold the end of the conveyor in place, but permit simple and quick installation and removal.
    Type: Grant
    Filed: August 31, 1987
    Date of Patent: November 15, 1988
    Assignee: C. U. Stoltzfus Manufacturing, Inc.
    Inventors: Stephen S. Esh, David B. Nolt