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La Defense, France

Areva T & D Sas

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USPTO Granted Patents = 9

% Expired Patents = 55.6

EPO Patents = 42

Trademarks = 1

Forward Citations = 13

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19 inventors (with patents filed for the assignee):

Alexander Usoskin (3 out of 24 patents)

Francis Mumford (3 out of 4 patents)

Saïd Kantas (3 out of 3 patents)

4. Martin Schlaug (2 out of 2 patents)

5. Uwe Ernst (2 out of 2 patents)

6. Xavier Godechot (2 out of 2 patents)

7. Laëtita Dalmazio (2 out of 2 patents)

8. Roger Ledru (1 out of 9 patents)

9. Daniel Piccoz (1 out of 7 patents)

10. Wolfgang Grieshaber (1 out of 14 patents)

11. Floriane Decq (1 out of 2 patents)

12. Patrice Grosjean (1 out of 2 patents)

13. Bernard Gelloz (1 out of 3 patents)

14. Christophe Rech (1 out of 2 patents)

15. Bruno Berthon (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 8389884 - Electrical switch apparatus having two interrupters, such as a busbar disconnector and a grounding disconnector, and including common actuator means for the movable contacts of the interrupters (2013-03-05),

2. 8288674 - Winding for a contact of a medium-voltage vacuum circuit-breaker with improved endurance, and an associated circuit-breaker or vacuum circuit-breaker, such as an AC generator disconnector circuit-breaker (2012-10-16),

3. 8252725 - Fault current limiter with a plurality of superconductiong elements, at least one of which with an electric contact between its superconducting film and its electrically conducting substrate (2012-08-28),

4. 8252724 - Fault current limiter with a plurality of superconducting elements having insulated, electrically conducting substrates (2012-08-28),

5. 8247354 - Fault current limiter with a plurality of superconducting elements connected in a ring-shaped fashion (2012-08-21),

6. 8232497 - Relief valve for discharging a dielectric gas between two volumes of a high-voltage or medium-voltage interrupting chamber (2012-07-31),

7. 8227721 - Power line current interrupter having a vacuum switch chamber (2012-07-24),

8. 8168910 - Contact for a medium-voltage vacuum circuit-breaker with reinforced structure, and an associated circuit-breaker or vacuum circuit-breaker, such as an AC generator disconnector circuit-breaker (2012-05-01),

9. 8164019 - Contact for a medium-voltage vacuum circuit-breaker with improved arc extinction, and an associated circuit-breaker or vacuum circuit-breaker, such as an AC generator disconnector circuit-breaker (2012-04-24),

Company Overview

AREVA T & D Sas is a leading global company specializing in providing high-quality products and services in the energy and power transmission sector. With a strong focus on innovation and sustainability, the company offers a wide range of solutions for electricity transmission and distribution, including grid automation, smart grid technology, and renewable energy integration. AREVA T & D Sas is committed to delivering reliable and efficient solutions to help meet the energy needs of today and tomorrow.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

9 Patents

#8 in La Defense

#1,854 in France

La Defense, France

Areva T & D Sas

Forward Citations = 13

19 inventors:

Alexander Usoskin (3 out of 24 patents)

Francis Mumford (3 out of 4 patents)

Saïd Kantas (3 out of 3 patents)

4. Martin Schlaug (2 out of 2 patents)

5. Uwe Ernst (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Areva T & D Sas. Retrieved from https://idiyas.com/company/areva-t-and-d-sas

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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