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GEC ALSTHOM T & D SA

Overview
  • Total Patents
    572
About

GEC ALSTHOM T & D SA has a total of 572 patent applications. Its first patent ever was published in 1993. It filed its patents most often in France, EPO (European Patent Office) and United States. Its main competitors in its focus markets electrical machinery and energy, measurement and machines are MUELLER JEAN OHG ELEKTROTECH, SURSUM ELEK ZITAETS GES LEYHAU and COQ NV.

Patent filings per year

Chart showing GEC ALSTHOM T & D SAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Thuries Edmond 100
#2 Perret Michel 76
#3 Marmonier Jean 56
#4 Pham Van Doan 45
#5 Tixier Rene 28
#6 Biquez Francois 27
#7 Dufournet Denis 26
#8 Dupraz Jean-Pierre 23
#9 Willieme Jean-Marc 22
#10 Starck Thierry 20

Latest patents

Publication Filing date Title
EP0929137A1 Arc detection and location in Gas Insulated Substation using half wave oscillation of the gas
EP0921548A1 Interlocking control for a circuit breaker and a load break switch
US6118257A Switchgear for a power station generator and a transformer with a three-position disconnector
BR9805024A Distribution mechanism for a power station generator and a transformer, with a three-position disconnector connected to the transformer
EP0915546A1 Gas insulated high voltage line with integrated power capacitor
CN1224832A Method of determining with great accuracy rate of leakage from case of electrical apparatus
EP0913845A1 Generator circuit breaker with a single mechanical control
JPH11201857A Method for determining with high accuracy leak rate from case of electric apparatus
US6125692A Density sensor for monitoring the rate of leakage from a switchgear case with improved reliability
CA2245994A1 Compressed gas switch with rack and pinion gearset
CN1223449A Compressed air circuit-breaker with rack gearing device
EP0905730A1 Control device for electrical apparatus, for instance a high tension circuit breaker
CA2242600A1 Low-voltage link for transmitting on-off commands
EP0895262A1 Gas circuit breaker with compressible volume and thermal expansion
CN1206234A Low-voltage connection of moving instruction with or without two-position motion
CN1204134A Moisture absorption device for electrical apparatus containing dielectric gas
US5997616A Moisture absorption device for electrical apparatus containing dielectric gas
EP0887810A1 Metal fitting for composite insulator
BR9801638A Generator circuit breaker
EP0877405A1 Circuit breaker with isolating switch