Prosecution Insights
Last updated: April 19, 2026

Barnes & Thornburg LLP (Cummins Inc.)

11 pending office actions • 2 clients

Portfolio Summary

11
Total Pending OAs
2
Final Rejections
9
Non-Final OAs

Client Portfolio (2 clients)

Client (Assignee)Pending OAs
Hydrogenics Corporation 10
CUMMINS INC. 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18753897 SYSTEMS AND METHODS TO IMPROVE DRIVABILITY IN A FUEL CELL ELECTRIC VEHICLE CUMMINS INC. HORNER, MINATO LEE 3665 Final Rejection Jun 25, 2024
18460333 SYSTEMS AND METHODS FOR MAXIMIZING HYDROGEN PRODUCTION FROM RENEWABLE ENERGY SOURCES Hydrogenics Corporation COHEN, BRIAN W 1759 Non-Final OA Sep 01, 2023
18330023 FUEL CELL PURGE SYSTEM BASED ON TILT LOCATION Hydrogenics Corporation HANSEN, JARED A 1723 Non-Final OA Jun 06, 2023
18319078 DYNAMIC CONTROL OF PARALLEL CONNECTED FUEL CELL SYSTEMS Hydrogenics Corporation HANSEN, JARED A 1723 Non-Final OA May 17, 2023
18304609 HYDROGEN DEGASSING USING MEMBRANE Hydrogenics Corporation CONTRERAS, CIEL P 1794 Non-Final OA Apr 21, 2023
18189851 SUSTAINING STATE OF CHARGE AND STATE OF HEALTH IN FUEL CELL MODULES AND BATTERIES OF A FUEL CELL HYBRID SYSTEM Hydrogenics Corporation 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 Hydrogenics Corporation 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 Hydrogenics Corporation VAN OUDENAREN, MATTHEW W 1728 Non-Final OA Dec 08, 2022
18057534 FUEL CELL STACK HUMIDIFICATION SYSTEM Hydrogenics Corporation 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 Hydrogenics Corporation KERNS, KEVIN P 1735 Non-Final OA Jun 10, 2022
17833482 FASTENERLESS FUEL CELL STACK ENCLOSURE Hydrogenics Corporation MERKLING, MATTHEW J 1725 Final Rejection Jun 06, 2022

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