US Patent Issued to QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS, QINGDAO UNIVERSITY OF TECHNOLOGY on May 12 for "Heat exchanger production line" (Chinese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,311, issued on May 12, was assigned to QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS Co. LTD. (Shandong, China) and QINGDAO UNIVERSITY OF TECHNOLOGY (Shandong, China).

"Heat exchanger production line" was invented by Zhigang Zhou (Qingdao, China), Yudi Fei (Qingdao, China), Hu Li (Qingdao, China), Changhe Li (Qingdao, China), Yuewen Feng (Qingdao, China), Ming Li (Qingdao, China), Wanshuai Xu (Qingdao, China), Xiao Ma (Qingdao, China), Bei Liu (Qingdao, China), Benkai Li (Qingdao, China), Rui Zhang (Qingdao, China), Mingzheng Liu (Qingdao, China), Tinghong Xu (Qingdao, China) and Yanbin Zhang (Qingdao, China).

According to the abstract* released by the U.S. Patent & Trademark O...