Patents by Inventor Craig Proctor Navin

Craig Proctor Navin 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: 6305845
    Abstract: A container for bulk materials comprises a flexible bulk bag lined with a flexible liner. The bulk bag has a discharge opening that is coverable by a flap. The liner has a discharge spout fastened to the bag flap and releasibly closed by tie off means. The container may be emptied by pulling the flap to a position opening the bag discharge opening and rendering the liner discharge tie-off means accessible for release to open and empty the liner and bag.
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: October 23, 2001
    Assignee: Grayling Industries, Inc.
    Inventor: Craig Proctor Navin