ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,726, issued on July 14, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).
"Air conditioner" was invented by Ryuzaburo Yajima (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air conditioner includes: a heat exchanger that exchanges heat between air sent to an air conditioning target space and a flammable refrigerant; a fan that generates an air flow in the heat exchanger; one of a heater that heats the air sent to the air conditioning target space, or an electric apparatus that is capable of causing electric discharge; a casing that has an arrangement space in which the heat exchanger, the fan, and the heater or the electric appa...