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For the Inventor, By the Inventor

Mississauga, Canada

Hydrogenics Corporation


USPTO Granted Patents = 111

% Expired Patents = 10.8



Trademarks = 7

Forward Citations = 909

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102 inventors (with patents filed for the assignee):

goldMedal Nathaniel Ian Joos (35 out of 36 patents)

silverMedal David Frank (27 out of 28 patents)

bronzeMedal Paolo Forte (18 out of 19 patents)

4.  Joseph Cargnelli (16 out of 16 patents)

5.  Ravi B Gopal (14 out of 14 patents)

6.  Xuesong Chen (12 out of 12 patents)

7.  Joe Cargnelli (11 out of 11 patents)

8.  Ali Rusta-Sallehy (8 out of 8 patents)

9.  Jianming Ye (8 out of 8 patents)

10.  Sonia Sorbera (8 out of 8 patents)

11.  Rami Michel Abouatallah (7 out of 7 patents)

12.  Todd A Simpson (7 out of 7 patents)

13.  Rainey Yu Wang (6 out of 6 patents)

14.  Andrew Hill (6 out of 6 patents)

15.  Richard J Ancimer (5 out of 44 patents)


Core Competencies:
Fuel Cell
Electrolyser
Thermal Management
Hydrogen Supply
Voltage Control
Leak Detection
Power System
Bipolar Plate
Microporous Layer
Gas Diffusion
Fuel Cell Stack
Hybrid Vehicles

111 patents:

1. 12725816 - Assessing health of a fuel stack using fuel cell voltage diagnostics (2026-09-01),
2. 12715425 - Methods and systems for managing and controlling emissions in a hybrid system (2026-08-25),
3. 12674478 - Fluid vortex breaker (2026-07-07),
4. 12614742 - Purge systems and methods in a fuel cell system (2026-04-28),
5. 12603308 - Glueless repeatable finger attachment for monitoring fuel cell voltage (2026-04-14),
6. 12548784 - Raised feed channels to maintain planar bipolar plate alignment (2026-02-10),
7. 12519122 - Modular fuel cell power system architecture for hybrid vehicles (2026-01-06),
8. 12500253 - Systems and methods to measure or control fuel cell stack excess hydrogen flow using ejector mixing state (2025-12-16),
9. 12500251 - Systems and methods for liquid heating balance of plant components of a fuel cell module (2025-12-16),
10. 12482840 - Fuel leak detection in fuel cell stack (2025-11-25),
11. 12482835 - Thermal management system and method of positioning and adjusting coolant flow for stationary vehicle fuel cell applications (2025-11-25),
12. 12438170 - Electrode pressure balance for a nitrogen blanketing process (2025-10-07),
13. 12438165 - Systems and methods for ventilating a fuel cell enclosure (2025-10-07),
14. 12410818 - Hydrogen recirculation pump heating and sealing assemblies and methods (2025-09-09),
15. 12365999 - Electrolyser and energy system (2025-07-22),
Hydrogenics Corporation is a leading provider of hydrogen fuel cell power modules and hydrogen generation technologies. With over 60 years of experience, the company delivers innovative solutions to commercial, industrial, and transportation markets worldwide. Hydrogenics' fuel cell systems are designed to provide clean, reliable, and efficient power for various applications, including stationary power, energy storage, and transportation. Their advanced hydrogen generation technologies enable the production of hydrogen through renewable resources, such as electrolysis. Through its commitment to sustainability and cutting-edge technology, Hydrogenics is driving the transition towards a greener and hydrogen-based economy.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Hydrogenics Corporation
111 Patents

#5 in Mississauga

#112 in Canada

#7,097 in the World

Mississauga, CA
Mississauga, Canada

Hydrogenics Corporation

Forward Citations = 909

102 inventors:

goldMedal Nathaniel Ian Joos (35 out of 36 patents)

silverMedal David Frank (27 out of 28 patents)

bronzeMedal Paolo Forte (18 out of 19 patents)

4.  Joseph Cargnelli (16 out of 16 patents)

5.  Ravi B Gopal (14 out of 14 patents)

Please report any incorrect information to [email protected]
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