Patents by Inventor Gordon D. Shippy

Gordon D. Shippy 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).

  • Water heater construction and fabrication method therefor
    Patent number: 6029615
    Abstract: A water heater including a tank, a cylindrical jacket surrounding the tank to provide an insulating space therebetween and a cover member mounted on top of the jacket to close off the top of the insulating space. An insulating wall is provided in the insulating space between the tank and the jacket. The insulating wall is comprised of a plastic envelope member and a wall of insulating material which has been foamed-in-place inside the envelope member. The envelope is constructed in such a way as to evenly distribute the foam material inside the envelope during the foamed-in-place operation.
    Type: Grant
    Filed: December 30, 1997
    Date of Patent: February 29, 2000
    Assignee: State Industries, Inc.
    Inventors: R. James Terwilliger, Gordon D. Shippy, Otto Z. Vago