Inventor · disambiguated record

Jianlin Yao

Also filed as: YAO JIANLIN

1 granted patent·1 pending application·0 citations·filing 2016–2020

1Inventor score

Technology areasE21B

Files withCCDC PETROLEUM DRILLING & PRODUCTION TECH CO LTD1 CNPC CHUANQING DRILLING ENG CO1

Top patents by PatentIndex Score

2 records

0133US2018106112A1Particle drilling methodCCDC PETROLEUM DRILLING & PRODUCTION TECH CO LTD·Filed 2016·Application pending·0 cites
0229US11225837B2Dual-speed dual—core enhanced drilling equipmentCNPC CHUANQING DRILLING ENG CO·Filed 2020·Granted Jan 18, 2022·0 cites·20 claims

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