Inventor · disambiguated record
Yijin Zeng
Also filed as: ZENG YIJIN
6 granted patents·1 pending application·72 citations·filing 2003–2022
77Inventor score
Top patents by PatentIndex Score
7 records- 0189US9739141B2Data transmission system and method for transmission of downhole measurement-while-drilling data to groundCHINA PETROLEUM & CHEM CORP·Filed 2014·Granted Aug 22, 2017·34 cites·15 claims
- 0259US7158886B2Automatic control system and method for bottom hole pressure in the underbalance drillingEXPLORATION & PRODUCTION RES I·Filed 2004·Granted Jan 2, 2007·37 cites·12 claims
- 0353US2024417616A1Composite material, composition, drilling fluid, and method for plugging formation well wall fracturesCHINA PETROLEUM & CHEM CORP·Filed 2022·Application pending·0 cites
- 0436US10571596B2Resistivity measurement while drilling device and methodCHINA PETROLEUM & CHEM CORP·Filed 2017·Granted Feb 25, 2020·0 cites·14 claims
- 0534US7426965B2Power transmission unit of an impactor, a hydraulic jet impactor and the application thereofCHINA PETROLEUM & CHEMICAL·Filed 2003·Granted Sep 23, 2008·1 cites·26 claims
- 0632US11913324B2Downhole multidimensional imaging feature extraction method and imaging apparatusCHINA PETROLEUM & CHEM CORP·Filed 2020·Granted Feb 27, 2024·0 cites·5 claims
- 0732US10927612B2Downhole auxiliary drilling apparatusCHINA PETROLEUM & CHEM CORP·Filed 2019·Granted Feb 23, 2021·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →