ONTARIO POWER GENERATION INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 5201
 
  
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING143
 
  
 
G01K MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR 145
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183
 
  
 
G21C NUCLEAR REACTORS 142
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0219,534 ULTRASOUND MATRIX INSPECTIONApr 19, 17Aug 03, 17[G01N]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7946197 Breaker racking toolMar 26, 08May 24, 11[B25B, H01H]
7563022 Methods and apparatus for inspecting reactor pressure tubesNov 22, 04Jul 21, 09[G01K, G01N]
5620909 Method of depositing thin passivating film on microminiature semiconductor devicesDec 04, 95Apr 15, 97[H01L]
5261597 Temperature responsive 3-way line valve with shape memory alloy actuatorMar 04, 93Nov 16, 93[G05D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0046,213 Gripper mechanism for conveying an objectAbandonedSep 03, 03Mar 03, 05[B25J]
5904749 Gas chromatographic methodExpiredJan 27, 94May 18, 99[B01D]
5783761 Method and apparatus for propeller runner inspectionExpiredJun 02, 97Jul 21, 98[B08B]
5701387 Storage tank water heater tempering systemExpiredDec 19, 94Dec 23, 97[F24H]
5669224 Direct expansion ground source heat pumpExpiredJun 27, 96Sep 23, 97[F25B]
5511308 Method and apparatus for turbine blade rehabilitationExpiredMay 06, 94Apr 30, 96[B23P]
5502753 Instrumentation probeExpiredSep 29, 94Mar 26, 96[G21C]
5365554 Instrumentation probeExpiredSep 22, 92Nov 15, 94[G21C]
5332419 Pneumatic injection of powder or granule through submerged tuyeresExpiredJun 15, 93Jul 26, 94[C21B]
5296844 Electrical contact avoidance deviceExpiredJan 27, 92Mar 22, 94[G08B]
5262717 Method and apparatus for measuring electric motor efficiency and loadingExpiredApr 16, 91Nov 16, 93[G01R]
5136855 Heat pump having an accumulator with refrigerant level sensorExpiredMar 05, 91Aug 11, 92[G01K]
5105453 Wood pole decay detectorExpiredNov 28, 90Apr 14, 92[G01B]
5102615 Metal-clad container for radioactive material storageExpiredFeb 22, 90Apr 07, 92[G21C]
5102618 Vapour phase catalytic exchange apparatusExpiredMar 21, 90Apr 07, 92[G21C]
5058514 Process for controlling acid gas emissions in power plant flue gasesExpiredSep 17, 90Oct 22, 91[F23J]
5018042 Tingle voltage filterExpiredDec 13, 89May 21, 91[H02H]
4909980 Electromagnetic apparatus for positioning objects located behind a conductive wallExpiredJul 26, 88Mar 20, 90[G21C]
4891473 High voltage insulators constructed to have plural dry bands in useExpiredMay 22, 89Jan 02, 90[H01B]
4780116 Low temperature preparative gas chromatography apparatusExpiredNov 20, 87Oct 25, 88[B01D]

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