ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,364, issued on July 14, was assigned to HEFEI MIDEA REFRIGERATOR Co. LTD (Heifei, China), HEFEI HUALING Co. LTD. (Heifei, China) and MIDEA GROUP Co. LTD. (Foshan, China).

"Electrical apparatus, door opening and closing device and control method for clutch thereof" was invented by Bo Peng (Hefei, China), Yafei Zhu (Hefei, China), Bing Shi (Hefei, China), Shuo Yang (Hefei, China), Jinguo Yuan (Hefei, China), Yerui Feng (Hefei, China), Xiuliang Fu (Hefei, China) and Zhuohua Jiang (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a field of electrical technology, and particularly discloses an electrical apparatus, a ...