Patents by Inventor Matthew P. Martens

Matthew P. Martens 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).

  • Ball check valve assembly
    Patent number: 6561386
    Abstract: A bag and box liquid container assembly having an exit port formed with the bag and extending outwardly from the box, including a ball check valve assembly, the ball check valve assembly being adapted to be press-fitted onto a fluid tight sealing engagement with the exit port of the bag.
    Type: Grant
    Filed: January 3, 2002
    Date of Patent: May 13, 2003
    Assignee: Juice Tyme
    Inventor: Matthew P. Martens