GENEVA, Aug. 3 -- 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/CN2024/119208) for "HEAT PUMP SYSTEM" on Sep 14, 2024. With publication no. WO/2025/156667, the details related to the patent application was published on Jul 31, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) sy...