Patents by Inventor Douglas M. Aucoin

Douglas M. Aucoin 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).

  • Water-excluding valve assembly for a snorkel
    Publication number: 20030121547
    Abstract: The present invention provides a water-excluding valve assembly for a diving snorkel which can easily be attached to an existing, simple, low cost snorkel giving it features of a more expensive snorkel. This water-excluding valve assembly for a diving snorkel uses a single ball float mechanism to seal off the snorkel airway in the event that the upper end of the snorkel airway tube goes below the water line.
    Type: Application
    Filed: December 28, 2001
    Publication date: July 3, 2003
    Inventor: Douglas M. Aucoin