QIHAI DU

Follow

Person

Qingdao City, Shandong Province, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Air duct system and a refrigeration appliance having the same
- Patent number 11,920,850
- Issue date Mar 5, 2024
- Qingdao Haier Refrigerator Co., Ltd.
- Bo Mi
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Ice crushing device and refrigerator
- Patent number 11,448,442
- Issue date Sep 20, 2022
- QINGDAO HAIER CO., LTD.
- Kui Zhang
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Ice maker and refrigerator
- Patent number 11,397,036
- Issue date Jul 26, 2022
- QINGDAO HAIER CO., LTD.
- Jianjun Xue
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
AIR DUCT SYSTEM AND A REFRIGERATION APPLIANCE HAVING THE SAME
- Publication number 20220325939
- Publication date Oct 13, 2022
- QINGDAO HAIER REFRIGERATOR CO., LTD.
- BO MI
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
ICE MAKER AND REFRIGERATOR
- Publication number 20210364211
- Publication date Nov 25, 2021
- QINGDAO HAIER CO., LTD.
- Jianjun XUE
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
ICE CRUSHING DEVICE AND REFRIGERATOR
- Publication number 20210018239
- Publication date Jan 21, 2021
- QINGDAO HAIER CO., LTD.
- KUI ZHANG
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...