GENERAL ELECTRIC CANADA INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1493
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 362
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 3130
 
  
 
B23D PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR 227
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 272
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 292
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
B23B TURNING; BORING 151
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7612293 Insulator arrangementDec 06, 06Nov 03, 09[H01B]
7161255 Isolated generator equipment compartmentMar 30, 05Jan 09, 07[H02K]
7154057 Telescopic switchMar 06, 06Dec 26, 06[H01H]
7114918 Fish friendly hydraulic turbine distributorFeb 20, 04Oct 03, 06[F01D]
7091431 Disconnect switchMay 05, 05Aug 15, 06[H01H]
7044452 Hydraulic turbine draft tube deflector with enhanced dissolved oxygenApr 30, 04May 16, 06[B01F]
6987344 High power rotary transformer with bus duct assemblyFeb 14, 03Jan 17, 06[H01R]
6971843 Hydraulic turbine draft tube with enhanced dissolved oxygenJun 25, 03Dec 06, 05[F01D]
6854958 Hydraulic turbine with enhanced dissolved oxygenJul 09, 03Feb 15, 05[F01D]
6768244 Stator, dynamoelectric machine, and methods for fabricating sameMar 08, 01Jul 27, 04[H02K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7736128 Stress relief grooves for Francis turbine runner bladesExpiredMar 06, 06Jun 15, 10[F01D]
7470112 Split francis turbine runnerExpiredJul 13, 06Dec 30, 08[F04D]
2006/0115,357 Runner for francis type hydraulic turbineAbandonedOct 28, 05Jun 01, 06[F01D]
6969925 Ship lock electrical energy generationExpiredMar 05, 03Nov 29, 05[F03B]
6949858 Insulated code stud for rotor and stator laminationsExpiredFeb 20, 04Sep 27, 05[H02K]
2005/0165,504 Methods and apparatus for facilitating manufacturingAbandonedJan 22, 04Jul 28, 05[G06F]
6906440 Bracket assembly having a plurality of plates for a dynamoelectric machineExpiredJun 13, 00Jun 14, 05[H02K]
6903482 Electrical current collector cleaning and cooling for high voltage rotating machinesExpiredOct 22, 03Jun 07, 05[H02K, H01R]
6867527 Method and apparatus for reducing dynamo-electric machine vibrationExpiredSep 25, 02Mar 15, 05[H02K]
6837644 Dual shaft and rotating machine couplingExpiredMay 30, 03Jan 04, 05[F16D]
2004/0261,531 Method and system for analyzing hydraulic turbine vibrationsAbandonedJun 30, 03Dec 30, 04[G01N]
2004/0122,630 Method and apparatus for linking finite element models to computer-aided design modelsAbandonedDec 19, 02Jun 24, 04[G06F]
6750400 Graded electric field insulation system for dynamoelectric machineExpiredAug 31, 01Jun 15, 04[H02K]
6729843 Partial splitter vane for reaction hydraulic turbineExpiredJan 17, 02May 04, 04[F01D]
6588933 Thrust bearingExpiredOct 19, 01Jul 08, 03[F16C]
6552452 Dynamoelectric machine rotor ventilationExpiredOct 19, 01Apr 22, 03[H02K]
2003/0040,824 Methods and apparatus for facilitating manufacturingAbandonedAug 21, 01Feb 27, 03[G06F]
2003/0005,965 Multi-inlet orificeAbandonedJul 09, 01Jan 09, 03[G05D]
2002/0175,232 Solidified load protection system for grinding millsAbandonedMay 25, 01Nov 28, 02[B02C]
6300701 Rogowski coil method of determination of bearing lubrication in dynamoelectric machinesExpiredFeb 23, 99Oct 09, 01[H02K]

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