Patents by Inventor Ian Edwin Sparrowhawk

Ian Edwin Sparrowhawk 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).

  • Publication number: 20020174903
    Abstract: A liquid dispenser, for example a vending machine, includes a valve intermediate a reservoir and an outlet tube. The valve includes a vent port which is opened when the valve is closed to allow the outlet tube to drain quickly and neatly.
    Type: Application
    Filed: March 21, 2002
    Publication date: November 28, 2002
    Applicant: Beta Valve Systems Ltd.
    Inventor: Ian Edwin Sparrowhawk