Inventor · disambiguated record
Gongrang Li
Also filed as: LI GONGRANG
3 granted patents·14 citations·filing 2014–2021
57Inventor score
Technology areasC09K
Files withCHINA PETROLEUM & CHEM CORP1SINOPEC OILFIELD SERVICE CORP1UNIV CHINA PETROLEUM EAST CHINA1
Top patents by PatentIndex Score
3 records- 0191US10647902B1Temporary plugging agent for drilling fluid and preparation method thereof, and water-based drilling fluid and use thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted May 12, 2020·14 cites·17 claims
- 0256US12291668B2Coated rubber particle, its preparation and application thereofCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted May 6, 2025·0 cites·12 claims
- 0342US9938445B2Comb polymer, method of preparing the same, and use thereofSINOPEC OILFIELD SERVICE CORP·Filed 2014·Granted Apr 10, 2018·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →