Patents by Inventor Patrick D. McGuire

Patrick D. McGuire 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).

  • Granular material quick change valve assembly
    Patent number: 7234613
    Abstract: A valve assembly including a downwardly directed funnel, a substantially cylindrical body position within a cylindrical base and a cylindrical valve within the cylindrical body atop of the funnel includes a baffle, a latch and a planar semi-circular surface about which the cylindrical valve adapted to rotate to open and close the valve.
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: June 26, 2007
    Inventor: Patrick D. McGuire