ALSTOM TECHNOLOGY LTD

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 8532
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 3585
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 3369
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 32127
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 2255
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 2139
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 19428
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 1550
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1592
 
  
 
F23D BURNERS 1320

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0341,339 METHOD FOR OBTAINING A CONFIGURATION FOR JOINING A CERAMIC MATERIAL TO A METALLIC STRUCTUREAug 21, 17Nov 30, 17[C04B, B23K, F23R, B32B]
2017/0336,266 TEMPERATURE MEASUREMENT IN SWITCHGEAR STATIONSDec 09, 14Nov 23, 17[G01K, H01Q, H02B, H03H]
2017/0269,161 SYNTHETIC TEST CIRCUITAug 19, 15Sep 21, 17[G01R]
2016/0279,682 ABRASION REMOVAL SYSTEMMar 16, 16Sep 29, 16[B08B]
2016/0224,301 METHODS FOR CREATING DYNAMIC LISTS FROM SELECTED AREAS OF A POWER SYSTEM OF A UTILITY COMPANYApr 05, 16Aug 04, 16[G09G, G06F]
2016/0156,186 MULTI-INTERVAL DISPATCH METHOD FOR ENABLING DISPATCHERS IN POWER GRID CONTROL CENTERS TO MANAGE CHANGES BACKGROUNDFeb 01, 16Jun 02, 16[H02J, G05B]
2016/0148,106 STATE ESTIMATION FOR COOPERATIVE ELECTRICAL GRIDSJan 29, 16May 26, 16[G06N, G01R]
2016/0138,410 ROTATING MACHINEJan 27, 16May 19, 16[F01D]
2016/0025,552 DEVICE AND METHOD FOR MEASURING VIBRATIONS OF A ROTORJul 23, 15Jan 28, 16[G01H, G01M, G01P]
2015/0380,934 PRE-PROCESSING OF DATA FOR AUTOMATIC GENERATION CONTROLSep 03, 15Dec 31, 15[H02J, G05B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9906002 Resistive element, RC module, and RC voltage divider for a high-voltage electrical substation insulated by a dielectric fluidMar 10, 14Feb 27, 18[H02B, G01R, H01C, H01G, H05K]
9899125 Medium- or high-voltage electrical appliance having a low environmental impact and hybrid insulationSep 09, 13Feb 20, 18[H01B, H02B, H01H]
9890897 Support structure comprising a shock absorbing pillarOct 28, 14Feb 13, 18[F16M, E04B, E04C, A47G]
9893873 Electrical power networksJul 22, 15Feb 13, 18[H04L, G01R, H04J, H02H]
9869579 Device and method for measuring vibrations of a rotorJul 23, 15Jan 16, 18[G01H, G01M]
9837801 Gas-insulated medium or high-voltage electrical apparatus including carbon dioxide, oxygen, and heptafluoro-isobutyronitrileSep 17, 14Dec 05, 17[H01B, H02B, H01F]
9780539 Method of extracting a jacket of a gas insulated substation (GIS) under a metal casingFeb 21, 14Oct 03, 17[H02B]
9766272 Very high-voltage DC line voltage sensorNov 14, 13Sep 19, 17[G01R]
9768609 Protection system and method for an electrical variable speed doubly fed induction machineFeb 25, 14Sep 19, 17[H02P, H02H]
9727828 Method for evaluating operational and financial performance for dispatchers using after the fact analysisJul 02, 10Aug 08, 17[H02J, G06Q]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0162,349 SELF-BLAST CIRCUIT BREAKER USING THE TWO-PHASE STATE OF A GAS TO IMPROVE THE CUT-OFF PROPERTIESAbandonedJul 08, 15Jun 08, 17[C01B, H01H]
2016/0352,239 POWER ELECTRONIC CONVERTERAbandonedFeb 19, 14Dec 01, 16[H02M]
2016/0329,178 MANUFACTURED PIECE FOR A GAS-INSULATED HIGH-VOLTAGE CIRCUIT BREAKER TANK WITH PARTICLE TRAPS AND TANK CONTAINING SUCH A PIECEAbandonedMay 05, 15Nov 10, 16[H01H]
2015/0372,582 CONTROL OF A THREE-PHASE VOLTAGE CONVERTER IN UNBALANCED MODEAbandonedFeb 13, 14Dec 24, 15[H02M]
2015/0372,675 METHOD OF SWITCHING A SEMICONDUCTOR DEVICEAbandonedFeb 07, 14Dec 24, 15[H03K]
2015/0357,135 CIRCUIT BREAKER PROVIDED WITH MEANS THAT REDUCE THE SWITCHING ARC BETWEEN PERMANENT CONTACTSAbandonedJan 27, 14Dec 10, 15[H01H]
2015/0357,941 VOLTAGE SOURCE CONVERTER COMPRISING A CHAIN-LINK CONVERTERAbandonedOct 16, 13Dec 10, 15[H02M]
2015/0318,124 IMPROVED CIRCUIT BREAKER APPARATUSAbandonedDec 11, 13Nov 05, 15[H01H]
2015/0155,090 TRANSFORMERAbandonedJul 03, 13Jun 04, 15[H01F]
2015/0131,189 COMPOSITE HIGH VOLTAGE DC CIRCUIT BREAKERAbandonedMar 01, 12May 14, 15[H02H]
2015/0116,881 HIGH VOLTAGE DC CIRCUIT BREAKER APPARATUSAbandonedMar 01, 12Apr 30, 15[H02H]
2015/0107,247 CONTROL SYSTEM FOR OXY FIRED POWER GENERATION AND METHOD OF OPERATING THE SAMEAbandonedOct 18, 13Apr 23, 15[F01K, G05B]
2015/0108,090 CIRCUIT BREAKER APPARATUSAbandonedMay 29, 13Apr 23, 15[H01H]
2015/0074,470 NON-VOLATILE MEMORY ASSEMBLIESAbandonedMar 27, 12Mar 12, 15[G06F]
2015/0000,249 COMBINED CYCLE POWER PLANTAbandonedSep 17, 14Jan 01, 15[F01K]
2015/0003,134 MODULAR MULTILEVEL CONVERTER USING ASYMMETRYAbandonedFeb 16, 12Jan 01, 15[H02J, H02M]
2014/0332,702 HIGH PERFORMANCE PULSE VALVEAbandonedMay 13, 13Nov 13, 14[F16K]
2014/0318,087 VALVE ARRANGEMENTAbandonedJul 10, 14Oct 30, 14[B01D]
2014/0322,007 TURBINE DIAPHRAGM CONSTRUCTIONAbandonedMar 21, 13Oct 30, 14[F01D]
2014/0313,797 POWER ELECTRONIC MODULEAbandonedNov 15, 11Oct 23, 14[H02M]

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