Inventor · disambiguated record
Qingfeng Dai
Also filed as: DAI QINGFENG
4 granted patents·27 citations·filing 2018–2020
70Inventor score
Top patents by PatentIndex Score
4 records- 0187USD947467SDog leash handleBEST RUN TECH CO LTD·Filed 2020·Granted Mar 29, 2022·21 cites·1 claims
- 0280US11134657B2Pet leash preventing locking due to jerkBEST RUN TECH LTD·Filed 2018·Granted Oct 5, 2021·4 cites·16 claims
- 0372US11542719B2Flexible connecting structure of prefabricated component and building main bodyHUNAN CONSTR ENG GROUP CO LTD·Filed 2020·Granted Jan 3, 2023·2 cites·10 claims
- 0448US10834903B2Double rope pet leashBEST RUN TECH LTD·Filed 2018·Granted Nov 17, 2020·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →