Inventor · disambiguated record
Lanhui Mao
Also filed as: Mao Lanhui
4 granted patents·3 citations·filing 2021–2023
58Inventor score
Technology areasE21B
Files withUNIV SOUTHWEST PETROLEUM4
Top patents by PatentIndex Score
4 records- 0187US11828149B1Fracking tool with electromagnetic intelligent control sliding sleeveUNIV SOUTHWEST PETROLEUM·Filed 2023·Granted Nov 28, 2023·3 cites·13 claims
- 0250US12435569B2Directional well hydraulic clutch drill string full rotation controllerUNIV SOUTHWEST PETROLEUM·Filed 2023·Granted Oct 7, 2025·0 cites·20 claims
- 0348US11927077B2High-frequency composite impactorUNIV SOUTHWEST PETROLEUM·Filed 2022·Granted Mar 12, 2024·0 cites·16 claims
- 0445US11788407B2Downhole signal receiving and transmitting deviceUNIV SOUTHWEST PETROLEUM·Filed 2021·Granted Oct 17, 2023·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →