Inventor · disambiguated record
Yingju Pei
Also filed as: PEI YINGJU
2 granted patents·1 pending application·0 citations·filing 2023–2024
21Inventor score
Technology areasE21B
Files withUNIV CHENGDU TECHNOLOGY3
Top patents by PatentIndex Score
3 records- 0155US12264544B2Downhole traction systemUNIV CHENGDU TECHNOLOGY·Filed 2023·Granted Apr 1, 2025·0 cites·19 claims
- 0246US12110794B2Two-stage reverse-torque bent screw orientation toolUNIV CHENGDU TECHNOLOGY·Filed 2023·Granted Oct 8, 2024·0 cites·10 claims
- 0345US2024310861A1Method, apparatus and system for automatically adjusting opening degree of fluid control valveUNIV CHENGDU TECHNOLOGY·Filed 2024·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →