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Alstom

USPTO Granted Patents = 192

% Expired Patents = 26.0

CIPO Patents = 35

EPO Patents = 5

Trademarks = 16

Forward Citations = 1,748

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308 inventors (with patents filed for the assignee):

Michel Perret (7 out of 53 patents)

Jean-Luc Thomas (6 out of 9 patents)

Denis Dufournet (6 out of 31 patents)

4. Emmanuel Dutarde (5 out of 9 patents)

5. Serge Poullain (5 out of 8 patents)

6. Fabrice Breit (5 out of 5 patents)

7. Jean-Claude Alacoque (5 out of 6 patents)

8. Abdelkrim Benchaib (4 out of 13 patents)

9. Jean Marmonier (4 out of 13 patents)

10. John Fernihough (4 out of 23 patents)

11. Jakob Keller (4 out of 19 patents)

12. Jean-Jacques Laporte (4 out of 7 patents)

13. Christian Oliver Paschereit (3 out of 38 patents)

14. Maxim Konter (3 out of 33 patents)

15. Hans-Peter Bossmann (3 out of 24 patents)

Core Competencies:

Rail Track Construction

Propulsion Unit

Electronic Power Systems

High-Voltage Circuit-Breaker

Wind Turbine

Matrix Converter

Insulating Nozzle

Cooling Systems

Transport Systems

Electrical Substation

Power Regulation

Gas-Insulated Lines

192 patents: Sort by Forward Citations

1. 8444803 - Method for making an insulating and tight wall for a tank (2013-05-21),

2. 8435089 - Marine engine assembly including a pod mountable under a ship's hull (2013-05-07),

3. 7397149 - Method and a system for monitoring and regulating the power consumed by a transport system (2008-07-08),

4. 7328660 - Flexible connection device between a bogey side beam and an axle-box (2008-02-12),

5. 7293506 - Structural system comprising a track for a magnetic levitation transport system powered by a linear electric motor (2007-11-13),

6. 7272885 - Method of manufacturing surge arrestor (2007-09-25),

7. 7271507 - Process and system for controlling an electronic power component and data recording support comprising instructions for executing the process (2007-09-18),

8. 7258309 - Automatic and guided system for transporting people and method for controlling transport modules running in such a system (2007-08-21),

9. 7250088 - Directionally solidified columnar grained article and apparatus for manufacture thereof (2007-07-31),

10. 7225857 - Apparatus for manufacture of directionally solidified columnar grained article thereof (2007-06-05),

11. 7221066 - Energy supply unit for transmitting auxiliary energy to an electrical device (2007-05-22),

12. 7211614 - Insulating nozzle for gas blast circuit breaker (2007-05-01),

13. 7190085 - Wind turbine for producing electrical power and a method of operating the same (2007-03-13),

14. 7188399 - Method of fitting flush glazing (2007-03-13),

15. 7184895 - Method and system of non-intrusively monitoring the mixture ratio of a gas mixture having at least two components (2007-02-27),

Company Overview

Alstom is a leading player in the railway technologies sector, headquartered in Paris, France. The company specializes in the development and manufacturing of advanced rail systems, including rail track construction, propulsion units, and electronic power systems. Alstom's expertise extends to high-voltage circuit-breakers and innovative cooling systems, contributing to the efficiency and reliability of modern rail transport. The organization is committed to sustainable mobility solutions, enhancing the performance and safety of rail networks globally.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

192 Patents

#43 in Paris

#149 in France

#4,385 in the World

Alstom

Forward Citations = 1,748

308 inventors:

Michel Perret (7 out of 53 patents)

Jean-Luc Thomas (6 out of 9 patents)

Denis Dufournet (6 out of 31 patents)

4. Emmanuel Dutarde (5 out of 9 patents)

5. Serge Poullain (5 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Alstom. Retrieved from https://idiyas.com/company/alstom

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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