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Gec Alsthom Sa

USPTO Granted Patents = 110

Forward Citations = 1,129

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112 inventors (with patents filed for the assignee):

Michel Perret (17 out of 53 patents)

Edmond Thuries (17 out of 68 patents)

Van Doan Pham (17 out of 32 patents)

4. Denis Dufournet (12 out of 31 patents)

5. Joseph Martin (12 out of 13 patents)

6. Jean-Pierre Dupraz (8 out of 30 patents)

7. Jean-Pierre Gros (6 out of 9 patents)

8. Francois Detanne (5 out of 5 patents)

9. Thierry Verhaege (4 out of 12 patents)

10. Jean-Paul Moncorge (4 out of 4 patents)

11. Jean-Marc Willieme (3 out of 19 patents)

12. Alain Fevrier (3 out of 7 patents)

13. Jean Maineult (3 out of 3 patents)

14. Liming Wei (3 out of 3 patents)

15. Michel Vincent De Paul (3 out of 3 patents)

Core Competencies:

Circuit Breaker

Superconductive Connection

Medium Voltage

Fault Detection

Electrical Insulation

High Voltage

Torque Control

Rail Vehicle

Impulse Turbine

Position Sensing

Energy Storage

Hybrid Current Limiter

110 patents: Sort by Forward Citations

1. 6145445 - Rail vehicle bogie, a method of machining the bogie, and a tool for (2000-11-14),

2. 5557072 - Superconductive conductor presenting improved protection against partial (1996-09-17),

3. 5455225 - Method of producing a metal superconductive ceramic connection (1995-10-03),

4. 5396393 - Pumping station (1995-03-07),

5. 5394042 - Angular position homopolar reluctance sensor (1995-02-28),

6. 5374922 - Device for determining the state of an apparatus, and in particular the (1994-12-20),

7. 5357068 - Sulfur hexafluoride isolating circuit-breaker and use thereof in (1994-10-18),

8. 5350892 - Medium tension circuit-breaker for indoor or outdoor use (1994-09-27),

9. 5331319 - Device for signalling the position of a mobile member (1994-07-19),

10. 5328326 - Impulse turbine with a drum rotor, and improvements to such turbines (1994-07-12),

11. 5322267 - Damper device, in particular for railroad vehicles (1994-06-21),

12. 5321597 - Galvanic isolation device for direct current electrical signals or (1994-06-14),

13. 5321221 - Self-disconnecting circuit-breaker for medium tension, and use thereof (1994-06-14),

14. 5319154 - Method of cooling a current feed for very low temperature electrical (1994-06-07),

15. 5318270 - Valve with a crenellated seat (1994-06-07),

Company Overview

Gec Alsthom Sa, headquartered in Paris, specializes in advanced circuit breaker technology, focusing on high and medium voltage solutions. The company is recognized for its innovations in electrical insulation, fault detection, and superconductive connections, which enhance the reliability and efficiency of electrical systems. Additionally, Gec Alsthom Sa plays a significant role in the rail vehicle sector, contributing to the development of torque control systems that optimize performance and safety in transportation applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

110 Patents

#76 in Paris

#254 in France

#7,166 in the World

Gec Alsthom Sa

Forward Citations = 1,129

112 inventors:

Michel Perret (17 out of 53 patents)

Edmond Thuries (17 out of 68 patents)

Van Doan Pham (17 out of 32 patents)

4. Denis Dufournet (12 out of 31 patents)

5. Joseph Martin (12 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gec Alsthom Sa. Retrieved from https://idiyas.com/company/gec-alsthom-sa

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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