Patents by Inventor Johann Baetsen

Johann Baetsen 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: 20090012652
    Abstract: A duct heater control module for controlling an electric duct heater in an air duct. The duct heater control module includes a microcontroller for receiving an air flow signal from an air flow sensor for controlling the electric duct heater in response thereto. The microcontroller controls short cycling of the current switching relays, determines the nature of the input signal from a thermostat, and drives a status display.
    Type: Application
    Filed: April 24, 2008
    Publication date: January 8, 2009
    Inventors: Mike Nicholson, Brant Gilley, Lyle Mustard, Johann Baetsen