Inventor · disambiguated record

Deshuai Zheng

Also filed as: ZHENG DESHUAI

1 granted patent·0 citations·filing 2020–2020

2Inventor score

Technology areasE21B

Files withCHINA PETROLEUM & CHEM CORP1

Top patents by PatentIndex Score

1 record

0128US11814944B2Reactive torque automatic balancing device for screw drilling tool, drilling string, and methodCHINA PETROLEUM & CHEM CORP·Filed 2020·Granted Nov 14, 2023·0 cites·19 claims

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