Patents by Inventor Mark Amundsen

Mark Amundsen 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).

  • Industrial modular ductwork system
    Publication number: 20080012342
    Abstract: A modular, uniform system for the design, manufacture, transporting and installation of ductwork has uniform modules that are reinforced with stiffeners and coupled together in pairs. The module pairs are then attached to one another as they are being installed. Additional support beams and struts are also installed on site. As many of the module pairs as are desired may be fitted together to form a duct system of any desired length.
    Type: Application
    Filed: October 30, 2006
    Publication date: January 17, 2008
    Inventors: Robert Elliott, Mark Downing, Mark Amundsen, Clifton Thompson