For the Inventor, By the Inventor

Enter assignee name

Latham, NY, United States of America

Plug Power Inc.

USPTO Granted Patents = 182

% Expired Patents = 14.3

EPO Patents = 2

Trademarks = 15

Forward Citations = 2,862

Loading Chart...

Loading Chart...

177 inventors (with patents filed for the assignee):

Arne Watson Ballantine (23 out of 210 patents)

Michael M Walsh (20 out of 20 patents)

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: Sort by Forward Citations

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),

Company Overview

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 synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

182 Patents

#2 in Latham, NY

#144 in New York

#2,232 in US

#4,589 in the World

Latham, NY, United States of America

Plug Power Inc.

Forward Citations = 2,862

177 inventors:

Arne Watson Ballantine (23 out of 210 patents)

Michael M Walsh (20 out of 20 patents)

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Plug Power Inc.. Retrieved from https://idiyas.com/company/plug-power

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]

Loading…