Patents by Inventor Floyd Jeffrey Mangum

Floyd Jeffrey Mangum 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: 20050262857
    Abstract: An apparatus for checking conditioning mode of a heat pump system includes: (a) a temperature sensing device coupled with the heat pump system at a sensing locus; (b) a comparing device coupled with the temperature sensing device and configured for comparing a first temperature sensed by the temperature sensing device at a first time with a second temperature sensed by the temperature sensing device at a second time to determine an extant conditioning mode; the extant conditioning mode being a first conditioning mode when the second temperature is greater than the first temperature; the extant conditioning mode being a second conditioning mode when the second temperature is less than the first temperature.
    Type: Application
    Filed: May 25, 2004
    Publication date: December 1, 2005
    Inventors: Peter Hrejsa, Floyd Jeffrey Mangum, Mark Olsen, Joe Powell, Gregory Spencer, John Tran, Thomas Wolowicz