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Southborough, MA, United States of America

Protonex Technology Corporation

Calculating rank

USPTO Granted Patents = 42

% Expired Patents = 38.1

CIPO Patents = 6

EPO Patents = 1

Forward Citations = 836

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48 inventors (with patents filed for the assignee):

Paul Osenar (17 out of 29 patents)

Paul Sabin (8 out of 38 patents)

Philip T Robinson (7 out of 10 patents)

4. Mohammad Allama Enayetullah (7 out of 10 patents)

5. Ronald Rezac (7 out of 7 patents)

6. Seth M Dziengeleski (6 out of 13 patents)

7. Richard M Formato (6 out of 32 patents)

8. Joseph Carl Poshusta (6 out of 13 patents)

9. James D Kazmierczak (5 out of 10 patents)

10. Jerry Lynn Martin (5 out of 19 patents)

11. Thomas Vitella (5 out of 5 patents)

12. Nick Lauder (5 out of 7 patents)

13. Seth Avis (5 out of 6 patents)

14. David J Edlund (4 out of 123 patents)

15. David N Long (4 out of 18 patents)

Core Competencies:

Fuel Cell Systems

Hydrogen Generation

Portable Power Management

Electrochemical Cell Stacks

Membrane Technology

Power Manager Enclosure

Hydrogen Producing Fuel

Cross-Flow Filtration

Solid Oxide Fuel Cells

Device Ports

Vaporizer Techniques

42 patents: Sort by Forward Citations

1. D802533 - Portable power manager enclosure (2017-11-14),

2. 9640965 - Cable gland assembly (2017-05-02),

3. 9634491 - Power managers and methods for operating power managers (2017-04-25),

4. 9634485 - Power manager (2017-04-25),

5. 9343758 - Solid oxide fuel cell systems with hot zones having improved reactant distribution (2016-05-17),

6. 9335811 - Portable electronic device carrier with electronic interface for recharging device battery (2016-05-10),

7. 9056770 - Compositions, devices and methods for hydrogen generation (2015-06-16),

8. 8775846 - Portable power manager having one or more device ports for connecting with external power loads (2014-07-08),

9. D706711 - Portable power manager enclosure (2014-06-10),

10. 8638011 - Portable power manager operating methods (2014-01-28),

11. 8633619 - Power managers and methods for operating power managers (2014-01-21),

12. 8614023 - Solid oxide fuel cell systems with hot zones having improved reactant distribution (2013-12-24),

13. 8603219 - Membrane support module for permeate separation in a fuel cell (2013-12-10),

14. 8586261 - Techniques for packaging and utilizing solid hydrogen-producing fuel (2013-11-19),

15. 8580457 - Fuel cell stack sealed with encapsulating material and method of making the same (2013-11-12),

Company Overview

Protonex Technology Corporation, based in Southborough, MA, specializes in advanced power management solutions, focusing on portable power systems and fuel cell technologies. The company develops solid oxide fuel cells and electrochemical cell stacks, enabling efficient hydrogen generation and power management for various applications. Their innovative fuel cell systems and membrane support modules are designed to enhance energy efficiency and reliability, catering to both commercial and military sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

42 Patents

#1 in Southborough, MA

#483 in Massachusetts

#8,278 in US

#16,400 in the World

Southborough, MA, United States of America

Protonex Technology Corporation

Forward Citations = 836

48 inventors:

Paul Osenar (17 out of 29 patents)

Paul Sabin (8 out of 38 patents)

Philip T Robinson (7 out of 10 patents)

4. Mohammad Allama Enayetullah (7 out of 10 patents)

5. Ronald Rezac (7 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Protonex Technology Corporation. Retrieved from https://idiyas.com/company/protonex-technology

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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