Prosecution Insights
Last updated: April 19, 2026

Hydrogenics Corporation

7 pending office actions

Portfolio Summary

7
Total Pending OAs
1
Final Rejections
6
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18319078 DYNAMIC CONTROL OF PARALLEL CONNECTED FUEL CELL SYSTEMS HANSEN, JARED A 1723 Non-Final OA May 17, 2023
18189851 SUSTAINING STATE OF CHARGE AND STATE OF HEALTH IN FUEL CELL MODULES AND BATTERIES OF A FUEL CELL HYBRID SYSTEM DESTA, ELIAS 2857 Non-Final OA Mar 24, 2023
18069717 BIPOLAR PLATE REACTANT CHANNELS WITH LOCAL VARIATIONS TO INCREASE DIFFUSION THROUGH A GAS DIFFUSION LAYER EGGERDING, ALIX ECHELMEYER 1729 Non-Final OA Dec 21, 2022
18063498 SYSTEMS AND METHODS FOR MANAGING FLOW AND PRESSURE CROSS COUPLING BETWEEN AIR COMPRESSOR FLOW AND FUEL CELL STACK BACKPRESSURE VAN OUDENAREN, MATTHEW W 1728 Non-Final OA Dec 08, 2022
18057534 FUEL CELL STACK HUMIDIFICATION SYSTEM SHEIKH, HAROON S 1751 Non-Final OA Nov 21, 2022
17837721 OPERATING SYSTEMS AND METHODS OF USING A PROPORTIONAL CONTROL VALVE IN A FUEL CELL SYSTEM KERNS, KEVIN P 1735 Non-Final OA Jun 10, 2022
17833482 FASTENERLESS FUEL CELL STACK ENCLOSURE MERKLING, MATTHEW J 1725 Final Rejection Jun 06, 2022

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