Yanfang Cai

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Indoor unit of air conditioner and air conditioner
- Patent number 11,530,821
- Issue date Dec 20, 2022
- QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
- Pengfei Yin
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method and device for adjusting air volume of air conditioner, and...
- Patent number 11,519,630
- Issue date Dec 6, 2022
- QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
- Pengfei Yin
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Outdoor unit of air conditioner
- Patent number D969285
- Issue date Nov 8, 2022
- QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
- Wei Zhang
- D23 - Environmental heating and cooling

Patents Applicationslast 30 patents

Information Patent Application
AIR CONDITIONER INDOOR UNIT AND AIR CONDITIONER
- Publication number 20210156572
- Publication date May 27, 2021
- Qingdao Haier Air-conditioning Electronic Co., Ltd
- Pengfei YIN
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Method and Device for Adjusting Air Supply Volume of Air Conditione...
- Publication number 20200408432
- Publication date Dec 31, 2020
- Qingdao Haier Air-Conditioning Electronic Co., Ltd.
- Pengfei Yin
- F24 - HEATING RANGES VENTILATING