Patents by Inventor Douglas Waco

Douglas Waco 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: 20070205633
    Abstract: A molded vehicle cab roof system housing an HVAC unit and having integral ducts for directing air flow from the interior or exterior of the cab, through the HVAC unit and returning conditioned air to the cab interior and the forward windscreen. The roof system comprises first and second molded panels that are fused together to form an integrated assembly.
    Type: Application
    Filed: February 28, 2007
    Publication date: September 6, 2007
    Inventors: Douglas Waco, Mark Klassen, John Shmalcs