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Cambridge, MA, United States of America

Commonwealth Fusion Systems LLC

USPTO Granted Patents = 12

EPO Patents = 9

Trademarks = 5

Forward Citations = 7

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48 inventors (with patents filed for the assignee):

Brian Labombard (6 out of 8 patents)

Daniel Brunner (6 out of 8 patents)

Robert Mumgaard (5 out of 7 patents)

4. Alexey Radovinsky (5 out of 6 patents)

5. Rui Vieira (4 out of 10 patents)

6. William Beck (4 out of 9 patents)

7. Jeffrey Doody (4 out of 5 patents)

8. Brandon N Sorbom (4 out of 7 patents)

9. Robert S Granetz (3 out of 4 patents)

10. James Irby (3 out of 7 patents)

11. Martin Greenwald (3 out of 5 patents)

12. Philip Michael (3 out of 9 patents)

13. Lihua Zhou (3 out of 4 patents)

14. Zachary S Hartwig (3 out of 11 patents)

15. John D Wright (3 out of 11 patents)

12 patents: Sort by Forward Citations

1. 12700530 - Passive quench protection techniques for non-insulated superconducting magnets (2026-08-04),

2. 12695014 - Conductor and coolant schemes for spiral-grooved, stacked plate, non-insulated superconducting magnets (2026-07-28),

3. 12658342 - Partitioned superconducting cable (2026-06-16),

4. 12580449 - Cooling system for superconducting wind power generator (2026-03-17),

5. 12555711 - Techniques for distributing forces in high field magnets and related systems and methods (2026-02-17),

6. 12488904 - Techniques for removing a vacuum vessel from a tokamak and related systems and methods (2025-12-02),

7. 12456555 - Techniques for automated maintenance of a tokamak and related systems and methods (2025-10-28),

8. 12407238 - Wind turbine generator with high temperature superconducting elements (2025-09-02),

9. 12293871 - Grooved, stacked-plate superconducting magnets and electrically conductive terminal blocks and related construction techniques (2025-05-06),

10. 12050254 - Apparatus for quality control of a superconducting tape (2024-07-30),

11. 11810712 - Grooved, stacked-plate superconducting magnets and electrically conductive terminal blocks and related construction techniques (2023-11-07),

12. 11417464 - Grooved, stacked-plate superconducting magnets and electrically conductive terminal blocks and related construction techniques (2022-08-16),

Commonwealth Fusion Systems LLC is a pioneering company based in Cambridge, MA, specializing in the development of advanced fusion energy technologies. The organization focuses on creating innovative solutions to harness fusion power, aiming to provide a sustainable and virtually limitless energy source. By leveraging cutting-edge research in superconducting materials and plasma physics, Commonwealth Fusion Systems is positioned at the forefront of the global effort to make fusion energy a practical reality, contributing to the future of clean energy.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

12 Patents

#204 in Cambridge, MA

#1,545 in Massachusetts

#25,540 in US

#48,129 in the World

Cambridge, MA, United States of America

Commonwealth Fusion Systems LLC

Forward Citations = 7

48 inventors:

Brian Labombard (6 out of 8 patents)

Daniel Brunner (6 out of 8 patents)

Robert Mumgaard (5 out of 7 patents)

4. Alexey Radovinsky (5 out of 6 patents)

5. Rui Vieira (4 out of 10 patents)

Please report any incorrect information to [email protected]

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