Patents by Inventor Christopher J. Nemacheck

Christopher J. Nemacheck 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).

  • Ventilating and heating apparatus with heater shielded by tapered discharge duct
    Patent number: 7203416
    Abstract: The invention provides a ventilating and heating apparatus for installation in a building structure. In some embodiments, the apparatus includes a main housing in which is located a ventilating fan assembly and a heater fan assembly having a heater and a discharge duct terminating in a discharge outlet, wherein the heater is located within and connected to the discharge duct of the heater fan assembly. The heater can be shielded from the discharge outlet by at least one interior wall of the discharge duct. In some embodiments, the discharge duct can have a tapered portion approaching the discharge outlet. In some embodiments, a discharge aperture of a cover is recessed with respect to the discharge outlet of a fan housing.
    Type: Grant
    Filed: November 21, 2003
    Date of Patent: April 10, 2007
    Assignee: Broan-NuTone LLC
    Inventors: Gary J. Craw, Daniel L. Karst, Christopher J. Nemacheck, Kenneth J. Jonas