Patents by Inventor Todd A. Grubb

Todd A. Grubb 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: 20180340686
    Abstract: A system for increasing flue gas side draft in a heater or boiler assembly is disclosed utilizing an impeller assembly to enable an increase in firing rates beyond the ability of the exhaust stack and to reduce the size of the low flue gas side pressure drop heat pipe air preheaters.
    Type: Application
    Filed: May 16, 2018
    Publication date: November 29, 2018
    Inventors: Hyungsik Lee, Kelly T. Murphy, Ada M. Cardenas, Todd A. Grubb