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Alsthom

USPTO Granted Patents = 61

CIPO Patents = 1

Forward Citations = 655

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67 inventors (with patents filed for the assignee):

Edmond Thuries (8 out of 68 patents)

Michel Perret (6 out of 53 patents)

Dante Nicoloso (5 out of 11 patents)

4. Satoru Yanabu (4 out of 26 patents)

5. Andre Coulon (3 out of 14 patents)

6. Georges Obrecht (3 out of 8 patents)

7. Pascal Tixador (2 out of 6 patents)

8. Jean-Louis Maupu (2 out of 7 patents)

9. Denis Dufournet (2 out of 31 patents)

10. Van Doan Pham (2 out of 32 patents)

11. Hugues Chollet (2 out of 3 patents)

12. Jean-Michel Petit (2 out of 2 patents)

13. Yves Brunet (2 out of 4 patents)

14. Jean-Paul Masson (2 out of 8 patents)

15. Bernard Ollivaud (2 out of 5 patents)

Core Competencies:

Toroidal Hybrid Transformer

Broadband Data Transmission

Sagnac Optical Fiber

Superconducting Stator

Electromagnetic Levitation

Thermal Induction Machine

Circuit Breaker Actuator

Fluid-Tight Coupling

Steam Turbine Connection

High-Tension Circuit Breaker

Energy Storage Device

Railway Vehicle Positioning

61 patents: Sort by Forward Citations

1. 5059936 - Toroidal hybrid transformer (1991-10-22),

2. 5057797 - System for transmitting broadband data and/or instructions between an (1991-10-15),

3. 5031311 - Method for extracting packets of blades from a steam turbine (1991-07-16),

4. 4982671 - Vehicle with steerable axles (1991-01-08),

5. 4912406 - Device for determining position of a railway vehicle by measuring (1990-03-27),

6. 4910793 - Two-way transmission system for ground/mobile station communications (1990-03-20),

7. 4854777 - Mechanical connector (1989-08-08),

8. 4848910 - Sagnac type optical fiber interferometer system (1989-07-18),

9. 4845395 - Ceramic core commutator for a rotary electric machine (1989-07-04),

10. 4842225 - Device for operating a railroad switch (1989-06-27),

11. 4841788 - Energy storage device with zero latching force (1989-06-27),

12. 4840539 - Moving blading for steam turbines (1989-06-20),

13. 4840221 - Device for ventilating rheostats and/or fluid radiators in a locomotive (1989-06-20),

14. 4839237 - Method of laying a cobalt-chromium-tungsten protective coating on a (1989-06-13),

15. 4834168 - Device for electromagnetically stirring liquid metal on a continuous (1989-05-30),

Company Overview

Alsthom, based in Paris, specializes in the development and manufacturing of advanced electrical machines and systems. The company is recognized for its innovative technologies, including toroidal hybrid transformers and superconducting stators, which enhance energy efficiency and performance in various applications. Alsthom also focuses on broadband data transmission and electromagnetic levitation, contributing to advancements in transportation and industrial sectors. Its commitment to research in thermal induction machines and circuit breaker actuators positions it as a leader in electrical engineering.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

61 Patents

#114 in Paris

#415 in France

#11,930 in the World

Alsthom

Forward Citations = 655

67 inventors:

Edmond Thuries (8 out of 68 patents)

Michel Perret (6 out of 53 patents)

Dante Nicoloso (5 out of 11 patents)

4. Satoru Yanabu (4 out of 26 patents)

5. Andre Coulon (3 out of 14 patents)

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

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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