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For the Inventor, By the Inventor

Mississauga, Canada

Hydrogenics Corporation


USPTO Granted Patents = 104



Trademarks = 9

Forward Citations = 889

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91 inventors (with patents filed for the assignee):

goldMedal Nathaniel Ian Joos (32 out of 33 patents)

silverMedal David Frank (27 out of 28 patents)

bronzeMedal Joseph Cargnelli (16 out of 16 patents)

4.  Paolo Forte (15 out of 17 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 (5 out of 5 patents)

14.  Andrew Hill (5 out of 5 patents)

15.  Pierre Rivard (5 out of 5 patents)


Core Competencies:
Fuel Cell Technology
Hydrogen Recirculation
Electrolyser Systems
Thermal Management
Fuel Leak Detection
Electrode Fabrication
Powertrain Systems
Current Control
Gas Diffusion Layers
Inerting Systems
Electrochemical Cells
Transient Capabilities

104 patents:

1. 12500253 - Systems and methods to measure or control fuel cell stack excess hydrogen flow using ejector mixing state (2025-12-16),
2. 12500251 - Systems and methods for liquid heating balance of plant components of a fuel cell module (2025-12-16),
3. 12482840 - Fuel leak detection in fuel cell stack (2025-11-25),
4. 12482835 - Thermal management system and method of positioning and adjusting coolant flow for stationary vehicle fuel cell applications (2025-11-25),
5. 12438170 - Electrode pressure balance for a nitrogen blanketing process (2025-10-07),
6. 12438165 - Systems and methods for ventilating a fuel cell enclosure (2025-10-07),
7. 12410818 - Hydrogen recirculation pump heating and sealing assemblies and methods (2025-09-09),
8. 12365999 - Electrolyser and energy system (2025-07-22),
9. 12308501 - Venting of sealed fuel cell enclosure (2025-05-20),
10. 12280679 - Fuel cell powertrain systems and methods for power split and allocation in fuel cell powertrain systems (2025-04-21),
11. 12272847 - System and method for controlling voltage of fuel cell (2025-04-08),
12. 12249721 - Additive application of microporous layer onto gas diffusion layer (2025-03-11),
13. 12100869 - Fuel cell sub-assembly and method of making it (2024-09-24),
14. 12065128 - Methods and systems for managing and controlling emissions in a hybrid system (2024-08-20),
15. 11855320 - Fuel leak detection in fuel cell stack (2023-12-26),
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 - Dec 30 2025

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104 Patents

#4 in Mississauga

#112 in Canada

#7,315 in the World

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Mississauga, Canada

Hydrogenics Corporation

Forward Citations = 889

91 inventors:

goldMedal Nathaniel Ian Joos (32 out of 33 patents)

silverMedal David Frank (27 out of 28 patents)

bronzeMedal Joseph Cargnelli (16 out of 16 patents)

4.  Paolo Forte (15 out of 17 patents)

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

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