Yanfeng ZHAO

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Qingdao, Shandong, CN

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Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC FIELD FRESHNESS-PRESERVING STORAGE CONTAINER AND REFRIGERATOR
- Publication number 20240353155
- Publication date Oct 24, 2024
- QINGDAO HAIER REFRIGERATOR CO., LTD
- Yanfeng ZHAO
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
HEATING METHOD, AND REFRIGERATING AND FREEZING APPARATUS
- Publication number 20240318903
- Publication date Sep 26, 2024
- QINGDAO HAIER REFRIGERATOR CO., LTD
- Yanfeng ZHAO
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERATION SYSTEM AND REFRIGERATING APPLIANCE
- Publication number 20240288210
- Publication date Aug 29, 2024
- QINGDAO HAIER REFRIGERATOR CO., LTD.
- Yanfeng ZHAO
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERATOR
- Publication number 20240191935
- Publication date Jun 13, 2024
- QINGDAO HAIER REFRIGERATOR CO., LTD
- Yanfeng ZHAO
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERATOR
- Publication number 20240183607
- Publication date Jun 6, 2024
- HEFEI HAIER REFRIGERATOR CO.,LTD
- Yanfeng ZHAO
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...