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Levallois-Perret, France

Alstom Transport Sa

USPTO Granted Patents = 86

% Expired Patents = 30.2

CIPO Patents = 23

EPO Patents = 96

Trademarks = 4

Forward Citations = 280

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132 inventors (with patents filed for the assignee):

Alain Rodet (9 out of 16 patents)

Yves Longueville (4 out of 6 patents)

Christophe Eche (4 out of 5 patents)

4. Emmanuel Dutarde (4 out of 9 patents)

5. Luigi Laflamme (4 out of 4 patents)

6. Pierre Chanal (3 out of 4 patents)

7. Kiyoshi Arai (3 out of 24 patents)

8. Jose Saiz (3 out of 5 patents)

9. Thierry Jobard (3 out of 4 patents)

10. Makoto Kondou (3 out of 3 patents)

11. Pierre Solomalala (3 out of 5 patents)

12. Benoit Boursat (3 out of 4 patents)

13. Philippe Lasserre (3 out of 3 patents)

14. Francis Demarquilly (2 out of 5 patents)

15. Lionel Graf (2 out of 3 patents)

Core Competencies:

Railway Vehicle

Bogie

Power Supply

Safety Device

Electric Braking

Energy Management

Track Monitoring

Railway Signaling

Communication System

Vehicle Control

Deicing Method

Passenger Accessibility

86 patents: Sort by Forward Citations

1. 12642880 - Air treatment unit for ventilation equipment (2026-06-02),

2. 12496849 - Tire support rim for track roller associated with a flange (2025-12-16),

3. 9817127 - Method for determining the position and/or speed of a guided vehicle and associated system (2017-11-14),

4. 9287223 - Device for electric insulation of a conducting plane (2016-03-15),

5. 9209616 - Power supply circuit for on board energy source or storage device and particularly for super-capacitor storage unit (2015-12-08),

6. 9030163 - Energy recharging device for a vehicle (2015-05-12),

7. 8978563 - Motor-driven bogie for a streetcar (2015-03-17),

8. 8908902 - Device for verifying the integrity of an item of displayed data and associated method (2014-12-09),

9. 8907255 - Method for deicing a power supply line for railway vehicles (2014-12-09),

10. 8820685 - Method for managing the circulation of vehicles on a railway network and related system (2014-09-02),

11. 8786426 - System for monitoring operating functions of railway devices (2014-07-22),

12. 8781803 - Method and device for generating and publishing a railway signaling diagram (2014-07-15),

13. 8742925 - Device for preventing and detecting the falling of an object on a railway line, and method for detecting the falling of an object on the line (2014-06-03),

14. 8712611 - Computerized on-board system for controlling a train (2014-04-29),

15. 8687612 - IP communication architecture between the ground and a vehicle (2014-04-01),

Company Overview

Alstom Transport Sa, headquartered in Levallois-Perret, France, is a leader in railway vehicle technology, focusing on the development and manufacturing of advanced rail transport solutions. The company specializes in key areas such as railway vehicles, bogies, power supply systems, safety devices, electric braking, energy management, track monitoring, and railway signaling. Alstom is committed to enhancing the efficiency and safety of rail systems, contributing to sustainable transport solutions across various regions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

86 Patents

#1 in Levallois-Perret

#308 in France

#8,873 in the World

Levallois-Perret, France

Alstom Transport Sa

Forward Citations = 280

132 inventors:

Alain Rodet (9 out of 16 patents)

Yves Longueville (4 out of 6 patents)

Christophe Eche (4 out of 5 patents)

4. Emmanuel Dutarde (4 out of 9 patents)

5. Luigi Laflamme (4 out of 4 patents)

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