Prosecution Insights
Last updated: April 19, 2026

Techwin Co. Ltd.

6 pending office actions

Portfolio Summary

6
Total Pending OAs
1
Final Rejections
5
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18289230 POWDER MATERIAL MEASURING ROTARY VALVE DEVICE CHEYNEY, CHARLES 3754 Non-Final OA Nov 02, 2023
18275095 WATER ELECTROLYSIS DEVICE COMPRISING ELECTROLYTE CORRECTION UNIT HAVING DIAPHRAGM WILKINS III, HARRY D 1794 Non-Final OA Jul 31, 2023
18274877 WATER ELECTROLYSIS APPARATUS WILKINS III, HARRY D 1794 Non-Final OA Jul 28, 2023
18186790 SODIUM HYDROXIDE PRODUCTION DEVICE AND SODIUM HYPOCHLORITE PRODUCTION DEVICE INCLUDING THE SAME CONTRERAS, CIEL P 1794 Non-Final OA Mar 20, 2023
18185062 SODIUM HYPOCHLORITE PRODUCING SYSTEM WILKINS III, HARRY D 1794 Final Rejection Mar 16, 2023
18046075 METHOD OF TREATING BALLAST WATER GERMAIN, ADAM ADRIEN 1777 Non-Final OA Oct 12, 2022

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