ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,001, issued on Dec. 2, was assigned to HotStart Inc. (Spokane, Wash.).
"Heater systems" was invented by Christopher Michael McFarland (Spokane, Wash.), Benjamin J. Boyce (Spokane, Wash.), Bruce I. Nelson (Spokane, Wash.), Jody Wayne Gaylord (Post Falls, Idaho) and Terry Judge (Spokane, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heater system for heating a piece of equipment. The heater system includes a reversing valve, a refrigerant compressor fluidly coupled to the reversing valve, an evaporator fluidly coupled to the condenser and the reversing valve, a condenser fluidly coupled to the reversing valve, the evaporator, and the piece of ...