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Richland, WA, United States of America

Cogema, Inc.

USPTO Granted Patents = 48

Forward Citations = 368

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40 inventors (with patents filed for the assignee):

Louis Guironnet (7 out of 8 patents)

Michel Bline (6 out of 6 patents)

Bernard Petit (5 out of 7 patents)

4. Bernard Grattier (4 out of 4 patents)

5. Pascal Burfin (4 out of 6 patents)

6. Jean-Claude Leroux (3 out of 4 patents)

7. Michel Verdier (3 out of 10 patents)

8. Dominique Hertz (2 out of 14 patents)

9. Jean-Pierre Denizou (2 out of 6 patents)

10. Bernard Gebelin (2 out of 5 patents)

11. Michel Bordy (2 out of 2 patents)

12. Pierre Amiet (2 out of 5 patents)

13. Philippe Sappey (2 out of 2 patents)

14. Didier Desruelles (2 out of 2 patents)

15. Serge Roillet (1 out of 5 patents)

Core Competencies:

Nuclear Fuel Assembly

Fuel Assembly Design

Underwater Machining

Evaporative Crystallization

Leak Detection

Spacer Grid Technology

Corrosion Resistant Rods

Remote-Controlled Devices

Filtration Systems

Modular Nuclear Elements

Excavation Techniques

Oxidation Processes

48 patents: Sort by Forward Citations

1. 7045104 - Volume reduction of aqueous waste by evaporative crystallization of burkeite and sodium salts (2006-05-16),

2. 6049581 - Nuclear fuel assembly with an upper cap (2000-04-11),

3. 6002736 - Dismountable fuel assembly of a nuclear reactor cooled by light water (1999-12-14),

4. 5966419 - Spacing grid of a fuel assembly for a nuclear reactor and fuel assembly (1999-10-12),

5. 5844958 - Dismountable fuel assembly of a nuclear reactor cooled by light water (1998-12-01),

6. 5812624 - Core of a pressurized water nuclear reactor and top nozzle of a fuel (1998-09-22),

7. 5754611 - Method and device for measuring at least one characteristic length on a (1998-05-19),

8. 5732116 - Spacer grid of a fuel assembly for a nuclear reactor, including attached (1998-03-24),

9. 5559843 - Device for mounting and extracting a locking sleeve of a guide tube in a (1996-09-24),

10. 5380127 - Non-entry method of underground excavation in weak or water bearing (1995-01-10),

11. 5377238 - Device for the underwater machining of a spacer-grid of a fuel assembly (1994-12-27),

12. 5329561 - Device for checking the thickness and the cohesion of the interface of a (1994-07-12),

13. 5328524 - Process for the surface oxidation of a part composed of passivatable (1994-07-12),

14. 5283812 - Bottom nozzle of a fuel assembly for a water-cooled nuclear reactor (1994-02-01),

15. 5263064 - Device for locking a fuel assembly in a transport container (1993-11-16),

Cogema, Inc. is a leading energy company specializing in nuclear fuel cycle management and services. With a strong focus on research and development, Cogema aims to provide innovative solutions for sustainable nuclear energy production. We offer a wide range of services including uranium mining, refining, conversion, enrichment, and fuel fabrication. Our team of experts is committed to ensuring the safety, reliability, and efficiency of nuclear power generation. Visit our website to learn more about our company and the important role we play in the global energy sector.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

48 Patents

#1 in Richland, WA

#146 in Washington

#7,021 in US

#14,113 in the World

Richland, WA, United States of America

Cogema, Inc.

Forward Citations = 368

40 inventors:

Louis Guironnet (7 out of 8 patents)

Michel Bline (6 out of 6 patents)

Bernard Petit (5 out of 7 patents)

4. Bernard Grattier (4 out of 4 patents)

5. Pascal Burfin (4 out of 6 patents)

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