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For the Inventor, By the Inventor

La Montagne, France

Dcns Sa


USPTO Granted Patents = 10

% Expired Patents = 20.0


Forward Citations = 68

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17 inventors (with patents filed for the assignee):

goldMedal David J Edlund (3 out of 123 patents)

silverMedal William A Pledger (3 out of 53 patents)

bronzeMedal Patton M Adams (2 out of 8 patents)

4.  Curtiss Renn (2 out of 9 patents)

5.  James A Givens (2 out of 8 patents)

6.  Sudha Rani LaVen (2 out of 2 patents)

7.  R Todd Studebaker (2 out of 31 patents)

8.  Vernon Wade Popham (1 out of 10 patents)

9.  Arne LaVen (1 out of 11 patents)

10.  Luc Rouveyre (1 out of 1 patent)

11.  Thomas G Herron (1 out of 18 patents)

12.  Darrell J Elliott (1 out of 3 patents)

13.  Alan E Hayes (1 out of 3 patents)

14.  Redwood Stephens (1 out of 3 patents)

15.  Travis A Bizjak (1 out of 6 patents)


10 patents:

1. 8790840 - Systems and methods for fuel cell thermal management (2014-07-29),
2. 8790618 - Systems and methods for initiating operation of pressure swing adsorption systems and hydrogen-producing fuel processing systems incorporating the same (2014-07-29),
3. 8728676 - System and method for optimizing fuel cell purge cycles (2014-05-20),
4. 8696772 - Steam reforming fuel processor, burner assembly, and methods of operating the same (2014-04-15),
5. 8691463 - Thermally primed hydrogen-producing fuel cell system (2014-04-08),
6. 8673510 - Systems and methods for maintaining hydrogen-selective membranes during periods of inactivity (2014-03-18),
7. 8636828 - Hydrogen purification membranes, components and fuel processing systems containing the same (2014-01-28),
8. 8617754 - Systems and methods for independently controlling the operation of fuel cell stacks and fuel cell systems incorporating the same (2013-12-31),
9. 8617294 - Systems and methods for supplying auxiliary fuel streams during intermittent byproduct discharge from pressure swing adsorption assemblies (2013-12-31),
10. 8608814 - Systems and methods for reliable feedstock delivery at variable delivery rates (2013-12-17),
Company Overview
DCNS SA, headquartered in La Montagne, France, is a prominent player in the naval defense sector, specializing in the design and construction of submarines and surface vessels. The company focuses on advanced maritime technologies, including naval systems integration and innovative solutions for underwater warfare. With a commitment to enhancing maritime security, DCNS SA engages in research and development across various domains, including robotics, cybersecurity, and energy efficiency, contributing to the modernization of naval capabilities globally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

10 Patents

#1 in La Montagne

#1,711 in France

#56,092 in the World

La Montagne, FR
La Montagne, France

Dcns Sa

Forward Citations = 68

17 inventors:

goldMedal David J Edlund (3 out of 123 patents)

silverMedal William A Pledger (3 out of 53 patents)

bronzeMedal Patton M Adams (2 out of 8 patents)

4.  Curtiss Renn (2 out of 9 patents)

5.  James A Givens (2 out of 8 patents)

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