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For the Inventor, By the Inventor

Westborough, MA, United States of America

American Superconductor Corporation


USPTO Granted Patents = 238

% Expired Patents = 18.1



Forward Citations = 2,419

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168 inventors (with patents filed for the assignee):

goldMedal Gilbert N Riley, Jr (39 out of 74 patents)

silverMedal Martin W Rupich (35 out of 43 patents)

bronzeMedal Alexander Otto (31 out of 34 patents)

4.  Gregory L Snitchler (29 out of 32 patents)

5.  Peter M Winn (23 out of 23 patents)

6.  James F Maguire (22 out of 24 patents)

7.  Eric R Podtburg (22 out of 23 patents)

8.  Douglas C Folts (21 out of 25 patents)

9.  Bruce B Gamble (21 out of 27 patents)

10.  Qi Li (21 out of 26 patents)

11.  Swarn S Kalsi (20 out of 22 patents)

12.  William L Carter (18 out of 28 patents)

13.  Elliott D Thompson (16 out of 18 patents)

14.  Jie Yuan (15 out of 15 patents)

15.  Cornelis Leo Hans Thieme (15 out of 18 patents)


Core Competencies:
High Temperature Superconducting Wires
Electricity Transmission Cooling
Superconducting Cable Assembly
Power Conversion Systems
Static VAR Compensator
Fault Current Limiting
Wind Turbine Generators
Torque Transmission Assembly
Voltage Regulation
Cryogenic Transfer Lines
Composite Substrates
Cooling Technologies

238 patents:

1. 12635422 - Electro-formed metal foils (2026-05-19),
2. 12048253 - Electro-formed metal foils (2024-07-23),
3. 11794872 - Electrical power system for a watercraft (2023-10-24),
4. 11657930 - High temperature superconducting wires having increased engineering current densities (2023-05-23),
5. 11509139 - Load re-balancing on a multi-phase power system (2022-11-22),
6. 11390478 - Roll-to-roll apparatus for processing metal tapes with a ceramic coating (2022-07-19),
7. 11286910 - Yaw auto-calibration for a wind turbine generator (2022-03-29),
8. 11111903 - Yaw auto-calibration for a wind turbine generator (2021-09-07),
9. 10242770 - Long length high temperature superconducting wires with uniform ion implanted pinning microstructures (2019-03-26),
10. 10193340 - Multi-level cascaded H-bridge STATCOM circulating cooling fluid within enclosure (2019-01-29),
11. 10130009 - Natural convection cooling for power electronics systems having discrete power dissipation components (2018-11-13),
12. 10079558 - Switching scheme for static synchronous compensators using cascaded H-bridge converters (2018-09-18),
13. 9887025 - High temperature superconductor wire bundling system and method (2018-02-06),
14. 9653196 - Electricity transmission cooling system (2017-05-16),
15. 9646742 - Electricity transmission cooling system (2017-05-09),
American Superconductor Corporation (AMSC) is a leading energy technologies company focusing on the development and manufacturing of advanced superconductor products. With over three decades of experience, AMSC offers a wide range of solutions for power grid and wind energy applications. Their innovative technologies help to increase the stability and efficiency of power grids around the world, while also enabling wind turbine manufacturers to enhance their turbine performance and reduce costs. For more information about AMSC and their cutting-edge energy solutions, visit their website.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 29 2026

American Superconductor Corporation
238 Patents

#5 in Westborough, MA

#107 in Massachusetts

#1,775 in US

#3,615 in the World

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

American Superconductor Corporation

Forward Citations = 2,419

168 inventors:

goldMedal Gilbert N Riley, Jr (39 out of 74 patents)

silverMedal Martin W Rupich (35 out of 43 patents)

bronzeMedal Alexander Otto (31 out of 34 patents)

4.  Gregory L Snitchler (29 out of 32 patents)

5.  Peter M Winn (23 out of 23 patents)

Please report any incorrect information to [email protected]
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