Inventor · disambiguated record

Xiaohan Pei

Also filed as: PEI XIAOHAN

3 granted patents·1 pending application·0 citations·filing 2012–2018

39Inventor score

Technology areasE21B

Files withPETROCHINA CO LTD4

Top patents by PatentIndex Score

4 records

0140US10890052B2Downhole power generation device and separate-zone waterflooding devicePETROCHINA CO LTD·Filed 2018·Granted Jan 12, 2021·0 cites·10 claims
0238US9828831B2Bridge type concentric continuously adjustable water distributorPETROCHINA CO LTD·Filed 2013·Granted Nov 28, 2017·0 cites·9 claims
0335US9874089B2Bridge type concentric direct reading testing and commissioning instrumentPETROCHINA CO LTD·Filed 2013·Granted Jan 23, 2018·0 cites·10 claims
0431US2015027686A1Crude Oil Lifting System and Method Utilizing Vane Pump for Conveying FluidPETROCHINA CO LTD·Filed 2012·Application pending·0 cites

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →