ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,729, issued on May 27, was assigned to ZHEJIANG ZOCH TECHNOLOGY Co. Ltd. (Hangzhou, China).

"Apparatus for assembling a heat pump" was invented by Shicheng Zhang (Hangzhou, China), Yunpeng Hou (Hangzhou, China), Yuzhi Guo (Hangzhou, China), Tong Wu (Hangzhou, China), Pengfei Zhang (Hangzhou, China), Chunyu Dai (Hangzhou, China), Kaiqiang Yan (Hangzhou, China), Binqi Rao (Hangzhou, China), Yan Zhang (Hangzhou, China), Keyun Wang (Hangzhou, China) and Ke Shi (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "For assembling a heat pump, an apparatus includes a loading part located in an initial section of the fully automatic intelligent pr...