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CIPO Patents = 3

Forward Citations = 221

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11 inventors (with patents filed for the assignee):

Patrick Meynier (2 out of 24 patents)

Maurice Grenier (2 out of 34 patents)

Julien Meunier (1 out of 17 patents)

4. Jean Sauron (1 out of 9 patents)

5. Frédéric Huguet (1 out of 3 patents)

6. Axelle Baroni (1 out of 4 patents)

7. Jean-Pierre Deflandre (1 out of 4 patents)

8. Joelle Bressan (1 out of 1 patent)

9. Jacques Mezon (1 out of 1 patent)

10. Pierre Callot (1 out of 1 patent)

11. J C Hugueny (1 out of 1 patent)

12. Frederic Huguet (0 patent)

8 patents: Sort by Forward Citations

1. 7420879 - Device for seismic emission in an underground formation and method for implementing same (2008-09-02),

2. 7325647 - Mobile system for seismic emission with fixed coupling devices, and method therefor (2008-02-05),

3. 6049508 - Method for seismic monitoring of an underground zone under development (2000-04-11),

4. 5620625 - Method of butt-welding two plastic parts with an identifying code, using (1997-04-15),

5. 5613373 - Process and apparatus for cooling a fluid especially for liquifying (1997-03-25),

6. 5535594 - Process and apparatus for cooling a fluid especially for liquifying (1996-07-16),

7. 5318678 - Method and apparatus for analyzing the state of protection against (1994-06-07),

8. 4963290 - Corrosion inhibitors of steels and aqueous compositions of alkali meal (1990-10-16),

Gaz De France-service National is a leading energy company in France, specializing in providing natural gas services to residential, commercial, and industrial customers. With a history dating back to the 19th century, the company is known for its reliable and efficient gas distribution network, as well as its commitment to sustainability and energy efficiency. Gaz De France-service National offers a range of services including supplying natural gas, installing gas infrastructure, and providing maintenance and repair services for gas appliances.

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Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

8 Patents

#383 in Paris

#1,984 in France

Paris, France

Gaz De France-Service National