US Patent Issued to QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS, QINGDAO UNIVERSITY OF TECHNOLOGY on Feb. 10 for "Operation and maintenance system for air conditioner production, and production method" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,867, issued on Feb. 10, was assigned to QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS Co. LTD. (Shangdong, China) and QINGDAO UNIVERSITY OF TECHNOLOGY (Shangdong, China).

"Operation and maintenance system for air conditioner production, and production method" was invented by Xiaohan Sun (Qingdao, China), He Zhang (Qingdao, China), Zhigang Zhou (Qingdao, China), Changhe Li (Qingdao, China), Hu Li (Qingdao, China), Yuewen Feng (Qingdao, China), Junjie Zhuang (Qingdao, China), Min Yang (Qingdao, China), Lina Li (Qingdao, China), Yanbin Zhang (Qingdao, China), Mingshun Su (Qingdao, China), Xiao Ma (Qingdao, China), Wanshuai Xu (Qingdao, China) and Benkai Li (Qingdao, China).

Accor...