Inventor · disambiguated record

Hailong Lv

Also filed as: LV HAILONG

1 granted patent·0 citations·filing 2023–2023

1Inventor score

Technology areasE21B

Files withSHENGLI OILFIELD SHENGJI PETROLEUM EQUIPMENT CO LTD1

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1 record

0128US12371953B2Automatic small repair operation system for oil fieldSHENGLI OILFIELD SHENGJI PETROLEUM EQUIPMENT CO LTD·Filed 2023·Granted Jul 29, 2025·0 cites·10 claims

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