Prosecution Insights
Last updated: April 19, 2026

Petrochina Company Limited

4 pending office actions

Portfolio Summary

4
Total Pending OAs
0
Final Rejections
4
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18724757 MULTIPHASE FLOW METERING SYSTEM AND METHOD CURRAN, GREGORY H 2852 Non-Final OA Jun 27, 2024
18561850 METHOD AND SYSTEM FOR FLAME PHOTOMETRIC ONLINE DETECTION OF SULFUR-CONTAINING COMPOUND CONTENT IN NATURAL GAS RAEVIS, ROBERT R 2855 Non-Final OA Nov 17, 2023
18198101 ZSM-35 MOLECULAR SIEVE AND PRODUCTION METHOD THEREFOR, ISOMERIZATION CATALYST AND PRODUCTION METHOD THEREFOR, AND ISOMERIZATION METHOD CHU, YONG LIANG 1731 Non-Final OA May 16, 2023
18036751 INTEGRATED PROCESS AND SYSTEM FOR MEASUREMENT AND TREATMENT OF TOXIC GASES IN DEEP NATURAL GAS BERNS, DANIEL J 1736 Non-Final OA May 12, 2023

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