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For the Inventor, By the Inventor

Mississauga, Canada

Hydrogenics Corporation

Calculating rank
USPTO Granted Patents = 111

% Expired Patents = 10.8



Trademarks = 7

Forward Citations = 918

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101 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),
Company Overview
Hydrogenics Corporation, based in Mississauga, Canada, specializes in fuel cell technology and hydrogen generation solutions. The company develops advanced fuel cells and electrolyzers, focusing on efficient thermal management and hydrogen supply systems. Their expertise extends to voltage control, leak detection, and power systems, with a commitment to enhancing the viability of hydrogen as a clean energy source. Hydrogenics plays a pivotal role in the transition to sustainable energy, contributing to various applications across multiple industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

Hydrogenics Corporation USPTO Patent Assignee Logo
111 Patents

#5 in Mississauga

#112 in Canada

#7,120 in the World

Mississauga, CA
Mississauga, Canada

Hydrogenics Corporation

Forward Citations = 918

101 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hydrogenics Corporation. Retrieved from https://idiyas.com/company/hydrogenics

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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