GENEVA, Nov. 23 -- QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD. (No.218 Qianwangang Road, Economic and Technical Development ZoneQingdao, Shandong 266555), 青岛海信日立空调系统有限公司 (中国山东省青岛市经济技术开发区前湾港路218号) filed a patent application (PCT/CN2024/106998) for "AIR CONDITIONING DEVICE, MULTI-SPLIT AIR CONDITIONING SYSTEM, AND REMOTE UPGRADE SYSTEM" on Jul 23, 2024. With publication no. WO/2025/236411, the details related to the patent application was published on Nov 20, 2025.
Notably, the patent applicat...