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Patents Grants
last 30 patents
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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
Patents Applications
last 30 patents
Information
Patent Application
MULTI-SPLIT AIR CONDITIONER, AND METHOD AND DEVICE FOR CONTROLLING...
Publication number
20240337407
Publication date
Oct 10, 2024
Qingdao Haier Air-Conditioning Electronic Co., Ltd.
Donglai LIU
F24 - HEATING RANGES VENTILATING
Information
Patent Application
CONTROL METHOD AND SYSTEM FOR REFRIGERATION, OIL RETURN AND NOISE R...
Publication number
20220011032
Publication date
Jan 13, 2022
QINGDAO HAIER AIR-CONDITIONING ELECTONIC CO., LTD.
MING ZHANG
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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