Assignee
ABB POWER T & D CO
US·221 granted patents·12,030 citations·filing 1988–2000
Top patents by PatentIndex Score
221 records- 0198US6184593B1Uninterruptible power supplyABB POWER T & D CO·Filed 1999·Granted Feb 6, 2001·375 cites·19 claims
- 0298US6100817AFixed network RF communications complaint with CEBus protocolABB POWER T & D CO·Filed 1998·Granted Aug 8, 2000·271 cites·50 claims
- 0398US5621629ASwitching power supply for use in an electronic energy meter having a wide range of input voltagesABB POWER T & D CO·Filed 1995·Granted Apr 15, 1997·128 cites·68 claims
- 0497US6073169AAutomatic meter reading system employing common broadcast command channelABB POWER T & D CO·Filed 1997·Granted Jun 6, 2000·264 cites·10 claims
- 0597US5912604AMolded pole automatic circuit recloser with bistable electromagnetic actuatorABB POWER T & D CO·Filed 1997·Granted Jun 15, 1999·199 cites·23 claims
- 0697US5874903ARF repeater for automatic meter reading systemABB POWER T & D CO·Filed 1997·Granted Feb 23, 1999·415 cites·14 claims
- 0797US5638296AIntelligent circuit breaker providing synchronous switching and condition monitoringABB POWER T & D CO·Filed 1996·Granted Jun 10, 1997·145 cites·19 claims
- 0896US6199068B1Mapping interface for a distributed server to translate between dissimilar file formatsABB POWER T & D CO·Filed 1998·Granted Mar 6, 2001·568 cites·27 claims
- 0996US5940009AApparatus and method to detect tampering with an electronic utility meterABB POWER T & D CO·Filed 1997·Granted Aug 17, 1999·164 cites·11 claims
- 1095US6094622ASystem and method for automatically determining the electrical energy service type to which an energy meter is connectedABB POWER T & D CO·Filed 1998·Granted Jul 25, 2000·96 cites·33 claims
- 1195US6088659AAutomated meter reading systemABB POWER T & D CO·Filed 1998·Granted Jul 11, 2000·729 cites·122 claims
- 1295US6005759AMethod and system for monitoring and controlling an electrical distribution networkABB POWER T & D CO·Filed 1998·Granted Dec 21, 1999·370 cites·30 claims
- 1395US5742513AMethods and systems for automatic testing of a relayABB POWER T & D CO·Filed 1996·Granted Apr 21, 1998·245 cites·44 claims
- 1495US5629869AIntelligent circuit breaker providing synchronous switching and condition monitoringABB POWER T & D CO·Filed 1994·Granted May 13, 1997·91 cites·27 claims
- 1595US5548527AProgrammable electrical energy meter utilizing a non-volatile memoryABB POWER T & D CO·Filed 1995·Granted Aug 20, 1996·191 cites·19 claims
- 1694US5933073AApparatus and methods for power network couplingABB POWER T & D CO·Filed 1997·Granted Aug 3, 1999·158 cites·18 claims
- 1794US5537029AMethod and apparatus for electronic meter testingABB POWER T & D CO·Filed 1992·Granted Jul 16, 1996·79 cites·14 claims
- 1894US5455776AAutomatic fault location systemABB POWER T & D CO·Filed 1993·Granted Oct 3, 1995·110 cites·6 claims
- 1993US5892195AArc-resistant switchgear enclosure with arcing chamber venting structureABB POWER T & D CO·Filed 1997·Granted Apr 6, 1999·87 cites·13 claims
- 2093US5710402AArc-resistant switchgear enclosure employing a toggle flap venting systemABB POWER T & D CO·Filed 1996·Granted Jan 20, 1998·108 cites·7 claims
- 2193US5689097AArc-resistant switchgear enclosure with arcing chamber venting structureABB POWER T & D CO·Filed 1995·Granted Nov 18, 1997·89 cites·12 claims
- 2293US5555508AProgrammable electrical energy meter and methods thereforABB POWER T & D CO·Filed 1995·Granted Sep 10, 1996·153 cites·47 claims
- 2393US5185591APower distribution line communication system for and method of reducing effects of signal cancellationABB POWER T & D CO·Filed 1991·Granted Feb 9, 1993·141 cites·48 claims
- 2492US6134124AUniversal distributed-resource interfaceABB POWER T & D CO·Filed 1999·Granted Oct 17, 2000·296 cites·19 claims
- 2592US5923269AEnergy meter with multiple protocols for communication with local and wide area networksABB POWER T & D CO·Filed 1997·Granted Jul 13, 1999·211 cites·33 claims
- 2692US5488565ATamper detection methods and apparatus for load management terminalsABB POWER T & D CO·Filed 1993·Granted Jan 30, 1996·94 cites·14 claims
- 2792US4962496ATransmission of data via power linesABB POWER T & D CO·Filed 1988·Granted Oct 9, 1990·120 cites·6 claims
- 2891US5966010AElectrical energy meter with snap fit interlocking partsABB POWER T & D CO·Filed 1998·Granted Oct 12, 1999·102 cites·15 claims
- 2991US5949017AElectrical transformers containing electrical insulation fluids comprising high oleic acid oil compositionsABB POWER T & D CO·Filed 1997·Granted Sep 7, 1999·61 cites·18 claims
- 3091US5636134AIntelligent circuit breaker providing synchronous switching and condition monitoringABB POWER T & D CO·Filed 1995·Granted Jun 3, 1997·51 cites·17 claims
- 3191US5453903ASub-cycle digital distance relayABB POWER T & D CO·Filed 1993·Granted Sep 26, 1995·112 cites·18 claims
- 3291US5083360AMethod of making a repairable amorphous metal transformer jointABB POWER T & D CO·Filed 1988·Granted Jan 28, 1992·44 cites·5 claims
- 3391US4972290AElectric power system with remote monitoring and control of protective relaysABB POWER T & D CO·Filed 1989·Granted Nov 20, 1990·94 cites·15 claims
- 3490US5457621ASwitching power supply having voltage blocking clampABB POWER T & D CO·Filed 1995·Granted Oct 10, 1995·63 cites·24 claims
- 3589US5796258AAdaptive quadrilateral characteristic distance relayABB POWER T & D CO·Filed 1997·Granted Aug 18, 1998·81 cites·22 claims
- 3689US5773980AOne-terminal fault location system that corrects for fault resistance effectsABB POWER T & D CO·Filed 1997·Granted Jun 30, 1998·77 cites·12 claims
- 3789US5574624AVentilation system for arc-resistant switchgear enclosureABB POWER T & D CO·Filed 1995·Granted Nov 12, 1996·110 cites·6 claims
- 3889US5027297ASystem for time stamping events using a remote master clockABB POWER T & D CO·Filed 1989·Granted Jun 25, 1991·81 cites·16 claims
- 3988US6313640B1System and method for diagnosing and measuring partial dischargeABB POWER T & D CO·Filed 1998·Granted Nov 6, 2001·81 cites·20 claims
- 4088US5798939ASystem for optimizing power network design reliabilityABB POWER T & D CO·Filed 1997·Granted Aug 25, 1998·187 cites·16 claims
- 4188US5544089AProgrammable electrical energy meter using multiplexed analog-to-digital convertersABB POWER T & D CO·Filed 1995·Granted Aug 6, 1996·98 cites·25 claims
- 4287US6236197B1Apparatus and method for detecting tampering in a multiphase meterABB POWER T & D CO·Filed 1999·Granted May 22, 2001·72 cites·23 claims
- 4387US5694108AApparatus and methods for power network couplingABB POWER T & D CO·Filed 1996·Granted Dec 2, 1997·92 cites·16 claims
- 4487US5661664AOne-terminal data fault location system and process for locating a faultABB POWER T & D CO·Filed 1995·Granted Aug 26, 1997·92 cites·23 claims
- 4587US5585611AInterrupter assemblyABB POWER T & D CO·Filed 1994·Granted Dec 17, 1996·74 cites·14 claims
- 4685US5805395AHalf-cycle summation V/Hz relay for generator and transformer over-excitation protectionABB POWER T & D CO·Filed 1996·Granted Sep 8, 1998·71 cites·16 claims
- 4785US5631843AProgrammable electrical energy meter and methods thereforABB POWER T & D CO·Filed 1996·Granted May 20, 1997·76 cites·20 claims
- 4885US5466891AConical composite SF6 high voltage bushing with floating shieldABB POWER T & D CO·Filed 1994·Granted Nov 14, 1995·62 cites·18 claims
- 4985US5428549ATransmission line fault location systemABB POWER T & D CO·Filed 1993·Granted Jun 27, 1995·125 cites·22 claims
- 5085US5060166AMethod and apparatus for rapidly analyzing AC waveforms containing DC offsetsABB POWER T & D CO·Filed 1989·Granted Oct 22, 1991·52 cites·21 claims
Showing the top 50 of 221 patent records by PatentIndex Score.
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