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For the Inventor, By the Inventor

Latham, NY, United States of America

Plug Power Inc.


USPTO Granted Patents = 182

% Expired Patents = 14.3


Trademarks = 15

Forward Citations = 2,862

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177 inventors (with patents filed for the assignee):

goldMedal Arne Watson Ballantine (23 out of 209 patents)

silverMedal Michael M Walsh (20 out of 20 patents)

bronzeMedal John W Parks (14 out of 14 patents)

4.  Ryan Hallum (13 out of 13 patents)

5.  Dustan L Skidmore (13 out of 13 patents)

6.  Charles Michael Carlstrom, Jr (12 out of 16 patents)

7.  Daniel O Jones (11 out of 11 patents)

8.  James F McElroy (11 out of 73 patents)

9.  James Howard Kralick (8 out of 14 patents)

10.  Russel Hugh Marvin (8 out of 49 patents)

11.  James D'Aleo (6 out of 6 patents)

12.  Richard L Chartrand (6 out of 6 patents)

13.  Ron H Farkash (5 out of 5 patents)

14.  Robert A Lacy (5 out of 6 patents)

15.  Charles R Elder (5 out of 9 patents)


Core Competencies:
Fuel Cell Stack
Electrochemical Compression
Catalyst Design
Cryogenic Transport
Thermal Management
Hydrogen Purification
Reactant Control
Energy Storage
Power Generation
Humidity Control
Integrated Systems
Diagnostics

182 patents:

1. 12719064 - Three-dimensional plates with curving fluid channels for stack systems (2026-08-25),
2. 12703920 - Electrolyzer stack end plate assembly with fluid-isolating insert(s) (2026-08-11),
3. 12700599 - System for supporting a fuel cell stack (2026-08-04),
4. 12613002 - Systems and methods for dispensing cryogenic liquid fuel as a gas at controlled temperature using cryogenic fluid (2026-04-28),
5. 12612704 - Catalyst with functionalized support (2026-04-28),
6. 12508542 - Method and system for electrochemically compressing gaseous hydrogen (2025-12-30),
7. 12480714 - Heat exchanging channel forming an internal cavity that stores cryogenic material (2025-11-25),
8. 12424640 - Fuel cell information monitor and data transfer (2025-09-23),
9. 12378683 - Sputtering-based catalyst deposition on particles for membrane electrode assembly (MEA) catalyst layer (2025-08-05),
10. 12344942 - Proton exchange membrane water electrolyzer membrane electrode assembly (2025-07-01),
11. 12278410 - Integrated circuit for diagnostics (2025-04-14),
12. 12215829 - Boil-off shielded coupling for hydrogen tank filling (2025-02-04),
13. 12215826 - Support structure for shortened cryogenic transport trailer (2025-02-04),
14. 12095122 - Fuel cell stack (2024-09-17),
15. 12092266 - Support structure for cryogenic transport trailer (2024-09-17),
Plug Power Inc., headquartered in Latham, NY, specializes in fuel cell technology, focusing on the development and manufacturing of advanced fuel cell systems. The company is at the forefront of innovations in areas such as fuel cell stacks, electrochemical compression, and catalyst design, contributing to the evolution of clean energy solutions. Plug Power also emphasizes hydrogen purification, thermal management, and energy storage, positioning itself as a key player in the transition to sustainable energy systems.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Plug Power Inc.
182 Patents

#2 in Latham, NY

#144 in New York

#2,229 in US

#4,579 in the World

Latham, NY (US)
Latham, NY, United States of America

Plug Power Inc.

Forward Citations = 2,862

177 inventors:

goldMedal Arne Watson Ballantine (23 out of 209 patents)

silverMedal Michael M Walsh (20 out of 20 patents)

bronzeMedal John W Parks (14 out of 14 patents)

4.  Ryan Hallum (13 out of 13 patents)

5.  Dustan L Skidmore (13 out of 13 patents)

Please report any incorrect information to [email protected]
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