Inventor · disambiguated record
Qiuwen Du
Also filed as: DU QIUWEN
1 granted patent·1 pending application·0 citations·filing 2020–2024
3Inventor score
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2 records- 0148US2025122952A1Balance explosion-proof valveSHENZHEN EVERWIN PRECISION TECH CO LTD·Filed 2024·Application pending·0 cites
- 0221US11418690B2Retractable functional assembly, middle frame assembly and terminal deviceGUANGDONG EVERWIN PRECISION TECH CO LTD·Filed 2020·Granted Aug 16, 2022·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →