Xiaofei Zhang

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Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for calculating household appliance faults
- Patent number 11,175,334
- Issue date Nov 16, 2021
- QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
- Dong Chen
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Home Appliance Network Configuration Method, Home Appliance, and Us...
- Publication number 20200154340
- Publication date May 14, 2020
- QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
- Dong Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and Device for Calculating Household Appliance Faults
- Publication number 20190324078
- Publication date Oct 24, 2019
- QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
- Dong Chen
- G06 - COMPUTING CALCULATING COUNTING