Leqiang LIU

Person

Shaoxing, Zhejiang, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic expansion valve and air conditioning system with electro...
- Patent number 11,796,234
- Issue date Oct 24, 2023
- ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
- Yuchen He
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
Valve Needle Component and Flow Regulating Valve
- Publication number 20240418268
- Publication date Dec 19, 2024
- Zhejiang DunAn Artificial Environment Co., Ltd
- Yuchen HE
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Valve Head Structure and Flow Regulating Valve with Valve Head Stru...
- Publication number 20240410470
- Publication date Dec 12, 2024
- Zhejiang DunAn Artificial Environment Co., Ltd
- Yuchen HE
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Electronic Expansion Valve
- Publication number 20240384799
- Publication date Nov 21, 2024
- Zhejiang DunAn Artificial Environment Co., Ltd
- Yuchen HE
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Valve Needle Assembly and Electronic Expansion Valve Having Same
- Publication number 20230408156
- Publication date Dec 21, 2023
- Zhejiang DunAn Artificial Environment Co., Ltd
- Shaojun ZHAN
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Electronic Expansion Valve and Air Conditioning System with Electro...
- Publication number 20220042728
- Publication date Feb 10, 2022
- Zhejiang DunAn Artificial Environment Co., Ltd
- Yuchen HE
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Leqiang LIU

Person

Patents Grantslast 30 patents

Electronic expansion valve and air conditioning system with electro...

Patents Applicationslast 30 patents

Valve Needle Component and Flow Regulating Valve

Valve Head Structure and Flow Regulating Valve with Valve Head Stru...

Electronic Expansion Valve

Valve Needle Assembly and Electronic Expansion Valve Having Same

Electronic Expansion Valve and Air Conditioning System with Electro...