ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,800, issued on Sept. 29, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).
"Bus heating system and method of controlling the same" was invented by Nam Seok Yun (Hwaseong-si, South Korea) and Wang Hyun Joe (Bucheon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bus heating system and a method of controlling the same, is configured for controlling a water-heating-type main heater unit and a heat-pump-type auxiliary heater unit in conjunction with each other for heating an interior of a bus, improving the efficiency of operation of the main heater unit while reducing the number of switch opera...