Inventor · disambiguated record
Yanniu Ren
Also filed as: REN YANNIU
5 granted patents·7 citations·filing 2017–2023
67Inventor score
Technology areasE21B
Files withUNIV SOUTHWEST PETROLEUM5
Top patents by PatentIndex Score
5 records- 0190US11834928B1Drill string rotation controller for directional drillingUNIV SOUTHWEST PETROLEUM·Filed 2022·Granted Dec 5, 2023·4 cites·11 claims
- 0287US11828149B1Fracking tool with electromagnetic intelligent control sliding sleeveUNIV SOUTHWEST PETROLEUM·Filed 2023·Granted Nov 28, 2023·3 cites·13 claims
- 0348US11927077B2High-frequency composite impactorUNIV SOUTHWEST PETROLEUM·Filed 2022·Granted Mar 12, 2024·0 cites·16 claims
- 0444US12180808B2All-metal intelligent control motorUNIV SOUTHWEST PETROLEUM·Filed 2023·Granted Dec 31, 2024·0 cites·18 claims
- 0537US10329849B2Multi-functional drilling experiment platformUNIV SOUTHWEST PETROLEUM·Filed 2017·Granted Jun 25, 2019·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →