Qi Cheng

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Zhuhai, Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Heat exchanger, air conditioner, and refrigerating unit
- Patent number 11,639,817
- Issue date May 2, 2023
- Gree Electric Appliances, Inc. of Zhuhai
- Mingsheng Zhuo
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Control method and device for air conditioning system and air condi...
- Patent number 11,585,561
- Issue date Feb 21, 2023
- Gree Electric Appliances, Inc. of Zhuhai
- Jianming Tan
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Control method and device for controlling air conditioning unit, an...
- Patent number 11,408,634
- Issue date Aug 9, 2022
- Gree Electric Appliances, Inc. of Zhuhai
- Hua Liu
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heat pump reversing valve control based on the valve reversing pres...
- Patent number 11,193,704
- Issue date Dec 7, 2021
- Gree Electric Appliances (Wuhan) Co., Ltd.
- Hailing Zhong
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
Control Method for Heat Pump System and Heat Pump System
- Publication number 20210164714
- Publication date Jun 3, 2021
- Hailing ZHONG
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
HEAT EXCHANGER, AIR CONDITIONER, AND REFRIGERATING UNIT
- Publication number 20210080158
- Publication date Mar 18, 2021
- GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
- Mingsheng ZHUO
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Control Method and Device for Controlling Air Conditioning Unit, an...
- Publication number 20210063045
- Publication date Mar 4, 2021
- GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
- Hua Liu
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Control Method and Device for Air Conditioning System and Air Condi...
- Publication number 20210041129
- Publication date Feb 11, 2021
- GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
- Jianming Tan
- G05 - CONTROLLING REGULATING