Inventor · disambiguated record
Yunnan Wei
Also filed as: Wei yunnan
4 granted patents·1 pending application·9 citations·filing 2020–2023
60Inventor score
Files withNINGBO WANAN CO LTD5
Top patents by PatentIndex Score
5 records- 0189US11385661B1Gas pressure regulating deviceNINGBO WANAN CO LTD·Filed 2021·Granted Jul 12, 2022·9 cites·11 claims
- 0266US12455581B2Gas negative pressure valveNINGBO WANAN CO LTD·Filed 2023·Granted Oct 28, 2025·0 cites·11 claims
- 0348US2024344629A1Timed gas cut-off device and gas equipmentNINGBO WANAN CO LTD·Filed 2023·Application pending·0 cites
- 0444US11415236B1Gas pressure regulating deviceNINGBO WANAN CO LTD·Filed 2021·Granted Aug 16, 2022·0 cites·9 claims
- 0539US11668406B2Gas pressure regulatorNINGBO WANAN CO LTD·Filed 2020·Granted Jun 6, 2023·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →