Inventor · disambiguated record
Leqiang Liu
Also filed as: LIU LEQIANG
2 granted patents·3 pending applications·3 citations·filing 2019–2022
38Inventor score
Files withZHEJIANG DUNAN ARTIFICIAL ENV CO LTD5
Top patents by PatentIndex Score
5 records- 0179US11796234B2Electronic expansion valve and air conditioning system with electronic expansion valveZHEJIANG DUNAN ARTIFICIAL ENV CO LTD·Filed 2019·Granted Oct 24, 2023·3 cites·20 claims
- 0247US12480582B2Electronic expansion valveZHEJIANG DUNAN ARTIFICIAL ENV CO LTD·Filed 2022·Granted Nov 25, 2025·0 cites·28 claims
- 0345US2024418268A1Valve Needle Component and Flow Regulating ValveZHEJIANG DUNAN ARTIFICIAL ENV CO LTD·Filed 2022·Application pending·0 cites
- 0443US2023408156A1Valve Needle Assembly and Electronic Expansion Valve Having SameZHEJIANG DUNAN ARTIFICIAL ENV CO LTD·Filed 2021·Application pending·0 cites
- 0542US2024410470A1Valve Head Structure and Flow Regulating Valve with Valve Head StructureZHEJIANG DUNAN ARTIFICIAL ENV CO LTD·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →