Patents by Inventor Douglas B. Waterman

Douglas B. Waterman 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).

  • Measured quantity beverage dispenser
    Patent number: 7537135
    Abstract: A measured quantity beverage dispenser that allows for numerous uses simply by replacing a disposable pouch or cartridge prefilled with a specific quantity of beverage. The measured quantity beverage dispenser efficiently and effectively delivers beverage to an end user by maintaining constant pressure within the disposable pouch. The measured quantity beverage dispenser further prevents accidental leaking or dispensing of beverage.
    Type: Grant
    Filed: April 12, 2005
    Date of Patent: May 26, 2009
    Assignee: Power Delivery Beverage Systems LLC
    Inventors: Nicola J. Luce, Richard Stinchfield, Douglas B. Waterman, Jonathan Marks, David A. McDonald