Prosecution Insights
Last updated: April 19, 2026

Hangzhou Sanhua Research Institute Co. Ltd.

2 pending office actions

Portfolio Summary

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

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18141356 PLATE HEAT EXCHANGER WITH IMPROVED CONNECTION STRENGTH OF ADJACENT HEAT EXCHANGE PLATES LING, FOR K. 3763 Final Rejection Apr 28, 2023
17964014 HEAT EXCHANGER AND METHOD FOR MAKING THE SAME DUONG, THO V 3763 Non-Final OA Oct 11, 2022

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