Patents by Inventor David N. Hubbard

David N. Hubbard 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).

  • Pool system and method of regulating temperature of same
    Publication number: 20080010736
    Abstract: Pool systems and methods of constructing and regulating the temperature of such systems are provided. An exemplary pool system can include a bottom having an integrated thermal regulating element and a wall having both a structural component and a thermally insulative component. The thermal regulating element can be placed in closed-loop fluid communication with a solar energy collector, such as an array of evacuated tube solar energy collectors.
    Type: Application
    Filed: July 17, 2006
    Publication date: January 17, 2008
    Inventors: David N. Hubbard, Richard K. Demetrius