Assignee
ONTARIO HYDRO
CA·32 granted patents·1,105 citations·filing 1987–1998
Top patents by PatentIndex Score
32 records- 0191US5136855AHeat pump having an accumulator with refrigerant level sensorONTARIO HYDRO·Filed 1991·Granted Aug 11, 1992·109 cites·4 claims
- 0289US5527445AProcess and apparatus for in situ electroforming a structural layer of metal bonded to an internal wall of a metal tubeONTARIO HYDRO·Filed 1995·Granted Jun 18, 1996·62 cites·32 claims
- 0386US5606213ANuclear batteriesONTARIO HYDRO·Filed 1994·Granted Feb 25, 1997·87 cites·17 claims
- 0485US5859484ARadioisotope-powered semiconductor batteryONTARIO HYDRO·Filed 1995·Granted Jan 12, 1999·132 cites·27 claims
- 0582US5252915AMethod and apparatus for detecting stator faults in rotary dynamoelectric machinesONTARIO HYDRO·Filed 1992·Granted Oct 12, 1993·68 cites·5 claims
- 0678US5396172ATransformer fault analyzerONTARIO HYDRO·Filed 1993·Granted Mar 7, 1995·60 cites·3 claims
- 0777US5669224ADirect expansion ground source heat pumpONTARIO HYDRO·Filed 1996·Granted Sep 23, 1997·49 cites·8 claims
- 0875US5141074ALineman's pole strap assemblyONTARIO HYDRO·Filed 1992·Granted Aug 25, 1992·59 cites·7 claims
- 0973US5538615AMetal tube having a section with an internal electroformed structural layerONTARIO HYDRO·Filed 1995·Granted Jul 23, 1996·22 cites·13 claims
- 1071US5516415AProcess and apparatus for in situ electroforming a structural layer of metal bonded to an internal wall of a metal tubeONTARIO HYDRO·Filed 1993·Granted May 14, 1996·17 cites·22 claims
- 1166US5902510ARotary microwave oven for continuous heating of materialsONTARIO HYDRO·Filed 1997·Granted May 11, 1999·38 cites·19 claims
- 1266US5262717AMethod and apparatus for measuring electric motor efficiency and loadingONTARIO HYDRO·Filed 1991·Granted Nov 16, 1993·37 cites·16 claims
- 1365US5191183AApparatus for processing ceramics using microwave oven with resistance heating unitONTARIO HYDRO·Filed 1991·Granted Mar 2, 1993·26 cites·6 claims
- 1463US5956463AAudio monitoring system for assessing wildlife biodiversityONTARIO HYDRO·Filed 1996·Granted Sep 21, 1999·61 cites·30 claims
- 1560US5337854AJib assemblyONTARIO HYDRO·Filed 1992·Granted Aug 16, 1994·18 cites·9 claims
- 1659US5286468AProducing carbon-14 isotope from spent resin wasteONTARIO HYDRO·Filed 1991·Granted Feb 15, 1994·30 cites·22 claims
- 1758US5516969AWaste oil decontamination processONTARIO HYDRO·Filed 1995·Granted May 14, 1996·38 cites·7 claims
- 1856US5561679ARadioluminescent semiconductor light sourceONTARIO HYDRO·Filed 1995·Granted Oct 1, 1996·24 cites·14 claims
- 1956US5143187AEnergy absorber for horizontal lifelines in fall arrest systemsONTARIO HYDRO·Filed 1991·Granted Sep 1, 1992·36 cites·6 claims
- 2054US6264172B1Electric fenceONTARIO HYDRO·Filed 1998·Granted Jul 24, 2001·18 cites·22 claims
- 2154US5511308AMethod and apparatus for turbine blade rehabilitationONTARIO HYDRO·Filed 1994·Granted Apr 30, 1996·18 cites·12 claims
- 2251US5343045AMethod and device for measuring moisture contentONTARIO HYDRO·Filed 1993·Granted Aug 30, 1994·17 cites·12 claims
- 2349US4867940AElectromagnetic method for positioning objects located behind a conductive wallONTARIO HYDRO·Filed 1987·Granted Sep 19, 1989·7 cites·7 claims
- 2447US5510781AUltrasonic rotary shaft position encoderONTARIO HYDRO·Filed 1994·Granted Apr 23, 1996·13 cites·17 claims
- 2545US4909980AElectromagnetic apparatus for positioning objects located behind a conductive wallONTARIO HYDRO·Filed 1988·Granted Mar 20, 1990·6 cites·15 claims
- 2640US6045099ASupport member for use in constructing electrified fenceONTARIO HYDRO·Filed 1998·Granted Apr 4, 2000·11 cites·4 claims
- 2739US5296844AElectrical contact avoidance deviceONTARIO HYDRO·Filed 1992·Granted Mar 22, 1994·12 cites·12 claims
- 2834US5291858ASound conditioning in fishONTARIO HYDRO·Filed 1993·Granted Mar 8, 1994·10 cites·7 claims
- 2930US5102618AVapour phase catalytic exchange apparatusONTARIO HYDRO·Filed 1990·Granted Apr 7, 1992·6 cites·10 claims
- 3027US5869816AApparatus and method for continuous processing of granular materials using microwavesONTARIO HYDRO·Filed 1995·Granted Feb 9, 1999·7 cites·14 claims
- 3118US5783761AMethod and apparatus for propeller runner inspectionONTARIO HYDRO·Filed 1997·Granted Jul 21, 1998·4 cites·9 claims
- 3217US5896258AOil circuit recloser operatorONTARIO HYDRO·Filed 1997·Granted Apr 20, 1999·3 cites·22 claims
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