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Gec Alsthom Sa

USPTO Granted Patents = 110

Forward Citations = 1,114

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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:

Rail Vehicle Bogie

Superconductive Conductor

Impulse Turbine

Circuit Breaker

Optical Fiber Sensor

Electrical Coil Winding

Torque Control

High Voltage Equipment

Position Sensing Apparatus

Vacuum Circuit Breaker

Braking System

Hybrid Circuit Breaker

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),

GEC Alsthom SA is a global company operating in the power generation and rail transport sectors. Established in 1989, the company specializes in manufacturing and supplying equipment and services for power plants, including steam turbines, gas turbines, and generators. GEC Alsthom also offers a wide range of rail transportation solutions, such as locomotives, trains, and signaling systems. With a strong emphasis on innovation and sustainable technologies, the company aims to provide reliable and efficient solutions to meet the evolving needs of the energy and transportation sectors.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

110 Patents

#66 in Paris

#244 in France

#6,948 in the World

Gec Alsthom Sa

Forward Citations = 1,114

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)

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