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Dcns

USPTO Granted Patents = 56

% Expired Patents = 48.2

CIPO Patents = 2

EPO Patents = 65

Forward Citations = 109

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100 inventors (with patents filed for the assignee):

Geoffrey Haratyk (6 out of 6 patents)

Virginie Lelarge (4 out of 4 patents)

Daniel Bathany (4 out of 4 patents)

4. Ronan Affre De Saint Rome (3 out of 6 patents)

5. Philippe Thieffry (3 out of 3 patents)

6. Raymond Begoc (3 out of 3 patents)

7. Nicolas Pierre (2 out of 3 patents)

8. Herve Arditty (2 out of 2 patents)

9. Frederic Lelidec (2 out of 2 patents)

10. Jacques Cyrille Moiret (2 out of 2 patents)

11. Thomas Senez (2 out of 2 patents)

12. Stéphanie Biraben (2 out of 2 patents)

13. Fabién Foucaud (2 out of 2 patents)

14. Dominique Monteil (2 out of 2 patents)

15. Zhen Chen (2 out of 8 patents)

Core Competencies:

Underwater Electricity Production

Electrochemical Fuel Cell

Thermal Energy Systems

Nuclear Reactor Management

Battery Overcharging Detection

Offshore Wind Turbine Foundation

Anchoring Harpoon

Submarine Vehicle

Hydrogen Generation

Marine Thermal Energy Plant

Flexible Submarine Conduit

Naval Platform

56 patents: Sort by Forward Citations

1. 10504627 - Method for managing stoppage of a pressurised-water nuclear reactor (2019-12-10),

2. 10481213 - Method and device for detecting an overcharging of an accumulator of a battery (2019-11-19),

3. 10454205 - Underwater connector half and underwater connector comprising such a connector half (2019-10-22),

4. 10199620 - System for attaching a thermal battery to a power section of an underwater craft (2019-02-05),

5. 10193270 - Cartridge of gel for a connection set and connection sets comprising such a cartridge of gel (2019-01-29),

6. 10106036 - Protecting a power supply including a plurality of batteries in parallel against an external short-circuit (2018-10-23),

7. 9975606 - Fairlead for guiding an anchoring element (2018-05-22),

8. 9933240 - Underwater vehicle equipped with electrochemical means of electrical power generation (2018-04-03),

9. 9784386 - Large flexible submarine conduit system (2017-10-10),

10. 9679667 - Submerged electricity production module (2017-06-13),

11. 9676466 - Naval platform provided with at least one hull comprising steerable thrusters (2017-06-13),

12. 9589679 - Passive device regulating pressure in a chamber, chamber and associated installation (2017-03-07),

13. 9570770 - Underwater vehicle having an electrolyte-activated electrochemical fuel cell (2017-02-14),

14. 9568562 - Method for determining the magnetisation of the hull of a ship, and associated device (2017-02-14),

15. 9567721 - Offshore wind turbine foundation, corresponding offshore wind turbine and method for their installation on site (2017-02-14),

Company Overview

DCNS, headquartered in Paris, specializes in advanced underwater technology, focusing on innovative solutions for energy production and management. The company develops electrochemical fuel cells and thermal energy systems, contributing to sustainable underwater electricity generation. Additionally, DCNS is involved in nuclear reactor management and battery overcharging detection, enhancing safety and efficiency in marine environments. Its expertise extends to offshore wind turbine foundations and anchoring systems, as well as the design and development of submarine vehicles, positioning it as a leader in maritime technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

56 Patents

#119 in Paris

#433 in France

#12,761 in the World

Dcns

Forward Citations = 109

100 inventors:

Geoffrey Haratyk (6 out of 6 patents)

Virginie Lelarge (4 out of 4 patents)

Daniel Bathany (4 out of 4 patents)

4. Ronan Affre De Saint Rome (3 out of 6 patents)

5. Philippe Thieffry (3 out of 3 patents)

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

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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