Patents by Inventor Gary A. McCauley

Gary A. McCauley 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: 4991622
    Abstract: A backflow preventer assembly is provided, which allows for connection of the assembly to the variety of water line configurations. The valve device is attached to at least one rotatable, sealing flange which is rotatable from an in-line configuration to an L-shaped configuration. A rotating sealing flange is provided at each of the inlet opening and outlet opening of the valve device. A stop valve is positioned in each of the rotating flanges.
    Type: Grant
    Filed: December 19, 1989
    Date of Patent: February 12, 1991
    Assignee: CMB Industries
    Inventors: John L. Brewer, Gary A. McCauley