Prosecution Insights
Last updated: April 19, 2026

China National Petroleum Corporation

3 pending office actions

Portfolio Summary

3
Total Pending OAs
1
Final Rejections
2
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18966046 TOE FLAP VALVE FOR INTERNAL CORROSION PREVENTION IN CCUS INJECTION WELL TUBING LEMBO, AARON LLOYD 3672 Non-Final OA Dec 02, 2024
18477066 METHODS OF DELAYING THE DISSOLUTION RATE OF DISSOLVABLE RUBBERS TUCKER, PHILIP C 1745 Non-Final OA Sep 28, 2023
18342554 IMPREGNATED DIAMOND CUTTER WITH AN IMPROVED ROP LOUGHRAN, RYAN PATRICK 1731 Final Rejection Jun 27, 2023

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