Inventor · disambiguated record

Qinghong Yan

Also filed as: YAN QINGHONG

1 granted patent·0 citations·filing 2020–2020

5Inventor score

Technology areasE03B

Files withSHANDONG KEYUAN WATER SUPPLY AND DRAINAGE EQUIPMENT ENG CO LTD1

Top patents by PatentIndex Score

1 record

0140US11281243B2Safety device for hydrodynamic pressure regulating pipe networkSHANDONG KEYUAN WATER SUPPLY AND DRAINAGE EQUIPMENT ENG CO LTD·Filed 2020·Granted Mar 22, 2022·0 cites·10 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →