Wanying Zhang

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Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Defrosting control method for multi-split system
- Patent number 11,320,185
- Issue date May 3, 2022
- QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
- Baitian Zhuo
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
DEFROSTING CONTROL METHOD FOR MULTI-SPLIT SYSTEM
- Publication number 20200208890
- Publication date Jul 2, 2020
- QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
- BAITIAN ZHUO
- F24 - HEATING RANGES VENTILATING
Information Patent Application
METHOD AND DEVICE FOR CONTROLLING EXPANSION VALVE
- Publication number 20200191430
- Publication date Jun 18, 2020
- Qingdao Haier Air-Conditioning Electronic Co., Ltd
- Jun Wang
- F24 - HEATING RANGES VENTILATING