DD

Denis Dufournet

GS Gec Alsthom T&D Sa: 15 patents #4 of 166Top 3%
AT Alstom Technology: 6 patents #3 of 376Top 1%
SD Societe Anonyme Dite:Alsthom: 2 patents #3 of 35Top 9%
AL Alsthom: 2 patents #7 of 67Top 15%
DE Delle-Alsthom: 1 patents #4 of 11Top 40%
AS Alstom France S.A.: 1 patents #2 of 16Top 15%
AS Areva T&D Sa: 1 patents #23 of 81Top 30%
Overall (All Time): #119,496 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
4945197 High tension circuit breaker including a dielectric gas used for blasting Edmond Thuries, Michel Perret 1990-07-31
4945198 High tension circuit breaker with low operating energy Edmond Thuries, Michel Perret 1990-07-31
4880946 High-or medium-tension compressed-gas circuit breaker taking circuit-breaking energy from the arc Edmond Thuries, Michel Perret 1989-11-14
4774388 Compressed dielectric gas circuit breaker Edmond Thuries, Satoru Yanabu, Michel Perret 1988-09-27
4754109 Compressed dielectric gas high-tension circuit breaker Edmond Thuries, Satoru Yanabu, Michel Perret 1988-06-28
4330103 Earthquake protector Edmond Thuries, Jean-Paul Sadoulet 1982-05-18