Min LIU

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Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Air source heat pump system and defrosting control method thereof
- Patent number 12,130,051
- Issue date Oct 29, 2024
- Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Dongfang Zhao
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air conditioning heat pump system using ejector, air conditioner, a...
- Patent number 11,236,926
- Issue date Feb 1, 2022
- Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Min Liu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Outdoor unit of an air conditioning system, air conditioning system...
- Patent number 11,035,597
- Issue date Jun 15, 2021
- Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Min Liu
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Heat recovery variable-frequency multi-split heat pump system and c...
- Patent number 10,132,530
- Issue date Nov 20, 2018
- Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Min Liu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
AIR SOURCE HEAT PUMP SYSTEM AND DEFROSTING CONTROL METHOD THEREOF
- Publication number 20230132393
- Publication date Apr 27, 2023
- Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Dongfang ZHAO
- F24 - HEATING RANGES VENTILATING
Information Patent Application
AIR SOURCE HEAT PUMP SYSTEM AND DEFROSTING CONTROL METHOD THEREOF
- Publication number 20220120472
- Publication date Apr 21, 2022
- Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Dongfang ZHAO
- F24 - HEATING RANGES VENTILATING
Information Patent Application
AIR CONDITIONING HEAT PUMP SYSTEM USING EJECTOR, AIR CONDITIONER, A...
- Publication number 20190242610
- Publication date Aug 8, 2019
- Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
- Min Liu
- B60 - VEHICLES IN GENERAL
Information Patent Application
Outdoor Unit of an Air Conditioning System, Air Conditioning System...
- Publication number 20190032968
- Publication date Jan 31, 2019
- QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
- Min LIU
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
HEAT RECOVERY VARIABLE-FREQUENCY MULTI-SPLIT HEAT PUMP SYSTEM AND C...
- Publication number 20170010027
- Publication date Jan 12, 2017
- Min LIU
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...