ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,370, issued on July 22, was assigned to MJC Inc. (Acworth, Ga.).
"Multi-zone variable refrigerant flow heating/cooling unit" was invented by Edward H. Metzger (Acworth, Ga.), Joel John Williams (Norcross, Ga.), Charles Thomas Couch (Rome, Ga.) and Kelly Gene Sprayberry (Marietta, Ga.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for air conditioning including installing an air conditioning unit at a desired location. The air conditioning unit includes a housing that has air supply inlets and exhaust air outlets. The housing encloses a mode control unit that switches a zone coil associated with a zone from a cooling mode to a heating mode b...