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For the Inventor, By the Inventor

Southborough, MA, United States of America

Protonex Technology Corporation


USPTO Granted Patents = 42

% Expired Patents = 38.1



Forward Citations = 789

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48 inventors (with patents filed for the assignee):

goldMedal Paul Osenar (17 out of 29 patents)

silverMedal Paul Sabin (8 out of 38 patents)

bronzeMedal 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 17 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:

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),
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 based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Protonex Technology Corporation
42 Patents

#1 in Southborough, MA

#481 in Massachusetts

#8,248 in US

#16,326 in the World

Southborough, MA (US)
Southborough, MA, United States of America

Protonex Technology Corporation

Forward Citations = 789

48 inventors:

goldMedal Paul Osenar (17 out of 29 patents)

silverMedal Paul Sabin (8 out of 38 patents)

bronzeMedal 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)

Please report any incorrect information to [email protected]
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