ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,720, issued on March 31, was assigned to Haier US Appliance Solutions Inc. (Wilmington, Del.).
"Air conditioning appliances and heat recovery features thereof" was invented by Timothy Scott Shaffer (La Grange, Ky.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air conditioning appliance may include an air plenum, a recovery casing, a first recovery exhaust fan, a heat exchanger core, and a thermal cutoff. The recovery casing may be attached to the air plenum. The recovery casing may define an outdoor casing inlet downstream from the air plenum and an indoor casing outlet downstream from the outdoor casing inlet along an external recovery flow pa...