Patents by Inventor George D. Barnett

George D. Barnett 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: 4262047
    Abstract: A generally horizontal log of fiberglass honeycomb material defining side-by-side upstanding adjacent cells substantially throughout the log is provided and the log includes a hard outer covering enclosing the log on all sides. The covering is bonded to the opposing side surfaces of the log and the opposite ends of the log include vertical bores therethrough having thrust sleeves of substantially the same length tightly received in and extending through the vertical bores. The hard outer covering of the log is comprised of resin impregnated fiberglass roving and includes an outer layer of fiberglass resin sprayed or flowed over the covering.
    Type: Grant
    Filed: October 30, 1979
    Date of Patent: April 14, 1981
    Inventors: George D. Barnett, Gary L. Barnett
  • Patent number: 4191490
    Abstract: A concrete slab is provided with prestressing cables to be post-tensioned upon setting of the concrete. The post-tensioning cables or strands are equally spaced on predetermined centers and are angled with respect to the longitudinal axis of the slab. All of the strands are parallel and are substantially co-planar with all other strands. The angle between the longitudinal axis of the slab and the strands ranges from approximately 2.degree. to approximately 60.degree..This application is a continuation-in-part application of an application entitled "PRESTRESSED CONCRETE ROADWAY", filed July 12, 1977, assigned Ser. No. 814,993, and describing an invention made by the present inventor now abandoned.
    Type: Grant
    Filed: August 25, 1978
    Date of Patent: March 4, 1980
    Assignee: Barnett, Haynes & Barnett, International
    Inventor: George D. Barnett