Prosecution Insights
Last updated: April 19, 2026

Ess Tech Inc.

6 pending office actions

Portfolio Summary

6
Total Pending OAs
0
Final Rejections
6
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18486073 ALTERNATIVE LOW COST ELECTRODES FOR HYBRID FLOW BATTERIES AKHTAR, KIRAN QURAISHI 1751 Non-Final OA Oct 12, 2023
18360693 HIGH ENERGY DENSITY ELECTROLYTE WYLUDA, KIMBERLY 1725 Non-Final OA Jul 27, 2023
18316977 REDOX FLOW BATTERY AND BATTERY SYSTEM FRASER, STEWART A 1724 Non-Final OA May 12, 2023
18301927 METHODS AND SYSTEM FOR REDOX FLOW BATTERY IDLE STATE HANSEN, JARED A 1723 Non-Final OA Apr 17, 2023
18301935 METHODS AND SYSTEM FOR REDOX FLOW BATTERY IDLE STATE HANSEN, JARED A 1723 Non-Final OA Apr 17, 2023
17816256 SYSTEMS AND METHODS FOR CIRCULATING ELECTROLYTE AND ELECTRIC CURRENT IN SERIES COUPLED REDOX FLOW BATTERY CELLS GODO, OLATUNJI A 1752 Non-Final OA Jul 29, 2022

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