Changjian WEI

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Air conditioner and control method therefor
- Patent number 11,815,282
- Issue date Nov 14, 2023
- QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
- Wei Xu
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air conditioner
- Patent number 11,339,978
- Issue date May 24, 2022
- QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
- Changjian Wei
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
AIR CONDITIONER AND CONTROL METHOD THEREFOR
- Publication number 20210285683
- Publication date Sep 16, 2021
- Qingdao Haier Air-conditioning Electronic Co., Ltd
- Wei XU
- F24 - HEATING RANGES VENTILATING
Information Patent Application
AIR CONDITIONER
- Publication number 20210215358
- Publication date Jul 15, 2021
- Qingdao Haier Air-conditioning Electronic Co., Ltd
- Changjian WEI
- F24 - HEATING RANGES VENTILATING