Inventor · disambiguated record

Zongfeng Zhao

Also filed as: ZHAO ZONGFENG

1 granted patent·0 citations·filing 2023–2023

1Inventor score

Technology areasE21B

Files withCHINA PETROLEUM & CHEM CORP1

Top patents by PatentIndex Score

1 record

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

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