Inventor · disambiguated record

Chuanwei Zhao

Also filed as: ZHAO CHUANWEI

2 granted patents·0 citations·filing 2020–2023

21Inventor score

Technology areasE21B

Files withCHINA PETROLEUM & CHEM CORP2

Top patents by PatentIndex Score

2 records

0142US12480372B2Positioning and orientating apparatus for branch well, and positioning and orientating methodCHINA PETROLEUM & CHEM CORP·Filed 2023·Granted Nov 25, 2025·0 cites·15 claims
0231US11946334B2Flow splitting device for gas reverse circulation drillingCHINA PETROLEUM & CHEM CORP·Filed 2020·Granted Apr 2, 2024·0 cites·15 claims

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