AREVA T&D SA

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 985
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 381
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 173
 
  
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 165
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
  
 
H02B BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER 134
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 176
 
  
 
H04Q SELECTING 1109

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8013698 Permanent-magnet magnetic actuator of reduced volumeJan 16, 07Sep 06, 11[H01F]
6704568 Protection system for an electricity network having an infrared data transmission link using the WAP protocolFeb 02, 01Mar 09, 04[H04Q]
6419512 System for interconnecting medium-voltage or high-voltage electrical cells in enclosuresDec 21, 00Jul 16, 02[H01R]
6232571 Medium-voltage circuit-breaker and disconnector module, and a corresponding power distribution substationFeb 15, 00May 15, 01[H01H]
6005307 Switching system including a current-injecting disconnector integrated in a circuit breaker for a generatorFeb 19, 98Dec 21, 99[H02B]
5960372 Method of monitoring electrical wear on selector switch disconnectors in a high voltage stationApr 11, 97Sep 28, 99[H01H]
5898556 Protection system for a three-phase distribution transformer insulated in a liquid dielectricApr 03, 97Apr 27, 99[H02H]
5834909 Device for actuating electrical equipment, in particular a high-voltage section switch or a high-voltage grounding section switchJul 11, 96Nov 10, 98[H01H]
5808257 High-voltage gas-blast circuit-breakerJul 22, 97Sep 15, 98[H01H]
5753860 Conductor bar for a metal-clad high voltage electrical apparatusOct 11, 96May 19, 98[H01B]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7833440 High performance dielectric oil and the use thereof in high voltage electrical equipmentExpiredMay 24, 05Nov 16, 10[H01B]
7775818 Bus bar connection for a gas-insulated switchboard systemExpiredAug 16, 03Aug 17, 10[H01R]
2009/0139,956 Dielectric Insulation Gasket for a Vacuum BottleAbandonedOct 16, 06Jun 04, 09[B65D]
2008/0053,961 Metal-clad electrical equipment including a particle trapAbandonedAug 02, 07Mar 06, 08[H01H]
7336083 Connecting sleeve for a bus bar connection in a gas-insulated switchboard systemExpiredAug 16, 03Feb 26, 08[G01R]
7272885 Method of manufacturing surge arrestorExpiredOct 23, 03Sep 25, 07[H01C]
2007/0140,891 Process for the preparation of semiconducting ceramics composed of metal oxides, in particular of tin oxide, especially for varistorsAbandonedOct 03, 06Jun 21, 07[C22C]
7102866 Power line protectionExpiredMay 07, 03Sep 05, 06[H02H]
7084616 Method and device for measuring an electrical voltageExpiredMar 05, 98Aug 01, 06[G01R]
2005/0236,370 Arc contact element for electrical apparatus production method thereof, corresponding contact assembly and electrical apparatusAbandonedJan 05, 05Oct 27, 05[H01H]
6914762 Protection of electrical power linesExpiredMay 03, 02Jul 05, 05[H02H]
2005/0140,352 Method for detecting saturation in a current transformerAbandonedJul 28, 04Jun 30, 05[H01F]
2005/0099,187 Method of diagnosing a fault on a transformer windingAbandonedOct 01, 04May 12, 05[H02M, G01R]
2005/0003,778 Electrical filtersAbandonedFeb 10, 04Jan 06, 05[H04B]
6839207 Protection system for protecting a poly-phase distribution transformer insulated in a liquid dielectric, the system including at least one phase disconnector switchExpiredOct 21, 02Jan 04, 05[H02H]
2004/0256,032 Method of fabricating contact strips for electrical device connectorsAbandonedJan 27, 04Dec 23, 04[C21D]
6806699 Method and apparatus for monitoring live electrical equipment at high or medium voltageExpiredJul 11, 01Oct 19, 04[G01R]
6783406 Elastic, electrically conductive contact springsExpiredJun 14, 01Aug 31, 04[H01R]
6744614 Metal-clad electrical gear with a rupture disk protected against atmospheric attackExpiredDec 03, 01Jun 01, 04[H02H]
6628496 Protection system for an electricity network having a data transmission radio linkExpiredNov 28, 01Sep 30, 03[H01H, H02H]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.