Inventor · disambiguated record
Fengjing Sun
Also filed as: SUN FENGJING
2 granted patents·1 citations·filing 2020–2023
30Inventor score
Technology areasE21B
Top patents by PatentIndex Score
2 records- 0170US11994011B2Permanent packer and extended gas lift method using permanent packerPETROCHINA CO LTD·Filed 2020·Granted May 28, 2024·1 cites·10 claims
- 0244US11773714B1Experimental method for determining flow patterns in vertical wellbore of gas wells at high-pressure conditionsUNIV SOUTHWEST PETROLEUM·Filed 2023·Granted Oct 3, 2023·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →