Inventor · disambiguated record
Renjie Ji
Also filed as: JI RENJIE
9 granted patents·366 citations·filing 2014–2025
86Inventor score
Files withUNIV CHINA PETROLEUM EAST CHINA9
Top patents by PatentIndex Score
9 records- 0195US11346200B2Method and system for guaranteeing safety of offshore oil well control equipmentUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted May 31, 2022·104 cites·7 claims
- 0295US11243509B2Method for assessing safety integrity level of offshore oil well control equipmentUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Feb 8, 2022·115 cites·3 claims
- 0395US10989019B2Fully-electrically driven downhole safety valveUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Apr 27, 2021·145 cites·5 claims
- 0478US11085245B2Multi-path combined high-low voltage plasma rock-breaking drill bit, drill bit apparatus and drilling methodUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Aug 10, 2021·2 cites·7 claims
- 0560US12447583B2Digital twin control system for product processing qualityUNIV CHINA PETROLEUM EAST CHINA·Filed 2025·Granted Oct 21, 2025·0 cites·1 claims
- 0649US11293231B2Multi-path combined high-low voltage plasma drilling method, drill bit for drilling and drill bit apparatus for drillingUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Apr 5, 2022·0 cites·10 claims
- 0749US11268326B2Multi-path combined high-low voltage plasma drilling power source and drillling systemUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Mar 8, 2022·0 cites·6 claims
- 0845US11922335B2Method and system for evaluating macro resilience of offshore oil well control equipmentUNIV CHINA PETROLEUM EAST CHINA·Filed 2019·Granted Mar 5, 2024·0 cites·2 claims
- 0941US9970270B2Movable combined sand control pipe of axial and radial slotted screen pipesUNIV CHINA PETROLEUM EAST CHINA·Filed 2014·Granted May 15, 2018·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →