Patents by Inventor Brad M. Blunn

Brad M. Blunn 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).

  • Patent number: 6919809
    Abstract: A method of selecting a ventilation control strategy from among a plurality of ventilation control strategies. The method comprises the steps of: determining if a CO2 signal is present and valid; selecting a CO2 based ventilation control strategy if the CO2 signal is present and valid; selecting a second ventilation control strategy if the CO2 signal is not present or is invalid; and operating using the selected strategy. The selection step occurs in a zone controller.
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: July 19, 2005
    Assignee: American Standard International Inc.
    Inventors: Brad M. Blunn, Tedd P. Johnson, Eugene R. Shedivy, James K. McKeever, Chad A. Bjorklund, Dwight J. Watercott