ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,724, issued on May 27, was assigned to DENSO International America Inc. (Southfield, Mich.) and DENSO Corp. (Kariya, Japan).

"HVAC system" was invented by Dwayne Taylor (Livonia, Mich.), Matt Filipkowski (Lake Orion, Mich.), Mika Gocho (Ann Arbor, Mich.), Aaron Compton (Pinckney, Mich.), Brian Belanger (Rochester Hills, Mich.) and Jonathan Noah-Navarro (Royal Oak, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary loop HVAC system including an evaporator, a condenser, an expansion valve, and a compressor. A refrigerant loop is in fluid communication with each of the evaporator, the condenser, and the expansion valve. An HVAC case inclu...