Rongbang LUO

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QINGDAO, SHANDONG PROVINCE, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method of adjusting electronic expansion valve of air conditioner
- Patent number 10,828,965
- Issue date Nov 10, 2020
- QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
- Wenming Xu
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF ADJUSTING ELECTRONIC EXPANSION VALVE OF AIR CONDITIONER
- Publication number 20190255915
- Publication date Aug 22, 2019
- QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
- Wenming XU
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD OF CONTROLLING ELECTRONIC EXPANSION VALVE OF AIR-CONDITIONER
- Publication number 20190257563
- Publication date Aug 22, 2019
- QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
- Wenming XU
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...