Inventor · disambiguated record
Qianlong Liu
Also filed as: LIU QIANLONG
3 granted patents·1 pending application·2 citations·filing 2020–2025
53Inventor score
Technology areasE21B
Files withMagnetic Variation Services LLC4
Top patents by PatentIndex Score
4 records- 0178US11649722B2Automated filtering and normalization of logging data for improved drilling performanceMagnetic Variation Services LLC·Filed 2020·Granted May 16, 2023·2 cites·32 claims
- 0275US2025320807A1Geosteering methods and systems for improved drilling performanceMagnetic Variation Services LLC·Filed 2025·Application pending·0 cites
- 0362US12060791B2Automated filtering and normalization of logging data for improved drilling performanceMagnetic Variation Services LLC·Filed 2023·Granted Aug 13, 2024·0 cites·20 claims
- 0453US12359551B2Geosteering methods and systems for improved drilling performanceMagnetic Variation Services LLC·Filed 2020·Granted Jul 15, 2025·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →