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Paris, undefined

Societe Generale De Constructions Electriques Et Mecaniques (alsthom)

USPTO Granted Patents = 21

Forward Citations = 181

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25 inventors (with patents filed for the assignee):

Roger Gillet (4 out of 11 patents)

Bernard Warszawski (3 out of 15 patents)

Serge Lehmann (2 out of 2 patents)

4. Philippe Alexandre (2 out of 2 patents)

5. Francois Moisson-Franckhauser (1 out of 5 patents)

6. Jean-Jacques Hirsch (1 out of 1 patent)

7. Jean-Claude Belmonte (1 out of 1 patent)

8. Jean-Jacques Hirsch (1 out of 1 patent)

9. Pierre Rassat (1 out of 1 patent)

10. Serge Andre (1 out of 1 patent)

11. Paul Lambert (1 out of 1 patent)

12. Jacques Duport (1 out of 1 patent)

13. Elie Condolios (1 out of 6 patents)

14. Andre Coulon (1 out of 2 patents)

15. Rene Perrin (1 out of 2 patents)

21 patents: Sort by Forward Citations

1. 4317867 - Electrode for an electric cell (1982-03-02),

2. 4172924 - Air battery and electrochemical method (1979-10-30),

3. 4118648 - Salient pole of a synchronous electric machine (1978-10-03),

4. 4111809 - Device for the removal of a liquid layer on water (1978-09-05),

5. 4068142 - Device for fixing winding bars on a stator of an electric rotating (1978-01-10),

6. 4066933 - Static switching device for two direct current machines (1978-01-03),

7. 4040442 - Valve seat construction for valves for controlling the pressure of (1977-08-09),

8. 4027487 - Method for adjusting an automatic sluice with a view to ensuring a (1977-06-07),

9. 4025845 - System with photocouplers for automatic checking of operating thyristors (1977-05-24),

10. 4020371 - Electric rotating machine having a cryo-inductor (1977-04-26),

11. 4016444 - Rotor for an electric machine having a cryo-inductor (1977-04-05),

12. 4015807 - Logic passing device for automatic railway piloting (1977-04-05),

13. 4002493 - Fuel cell structure and system, more particularly for a carbon fuel and (1977-01-11),

14. 3999181 - Non-linear digital-to-analog convertor (1976-12-21),

15. 3997764 - Method for the conversion of a frequency into a number (1976-12-14),

Alstom is a leading global provider of integrated solutions for sustainable mobility, specializing in the design, manufacture, and servicing of innovative and sustainable transport systems. With a presence in over 60 countries and a strong focus on research and development, Alstom offers a comprehensive range of products and services, including trains, signaling solutions, maintenance services, and digital mobility solutions. The company is committed to driving the transition towards a low-carbon future and has a vast portfolio of products and solutions that support sustainable transport and energy efficiency.

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Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

21 Patents

#4 in Paris

#952 in F

#29,031 in the World

Paris, undefined

Societe Generale De Constructions Electriques Et Mecaniques (alsthom)

Forward Citations = 181

25 inventors:

Roger Gillet (4 out of 11 patents)

Bernard Warszawski (3 out of 15 patents)

Serge Lehmann (2 out of 2 patents)

4. Philippe Alexandre (2 out of 2 patents)

5. Francois Moisson-Franckhauser (1 out of 5 patents)

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