Inventor · disambiguated record
Dawen Huo
Also filed as: HUO DAWEN
1 granted patent·1 pending application·0 citations·filing 2017–2022
1Inventor score
Files withGUANGDONG YONGQUAN VALVE TECH CO LTD2
Top patents by PatentIndex Score
2 records- 0131US11766580B2Valve structure with built-in valve seat of pre-action warning valveGUANGDONG YONGQUAN VALVE TECH CO LTD·Filed 2022·Granted Sep 26, 2023·0 cites·5 claims
- 0221US2019249778A1Reduced-Pressure Type Backflow PreventerGUANGDONG YONGQUAN VALVE TECH CO LTD·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →