| Patents for G01R 11 - Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption (8,227) |
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| 12/21/1999 | US6005384 Methods and apparatus for oscillator compensation in an electrical energy meter |
| 12/15/1999 | CN2354144Y Infrared in intelligent-card electricity-energy meter |
| 12/15/1999 | CN2354143Y Intelligent Ic-card electric meter |
| 12/15/1999 | CN2354142Y Voltage assembly of electic-energy meter |
| 12/08/1999 | CN2352964Y Lang distance watching and writing means for electrician |
| 12/08/1999 | CN1237711A Kilowatt-hour meter charge monitoring apparatus |
| 12/07/1999 | US6000034 Security system and method for revenue class electricity meter |
| 12/02/1999 | DE19820767C1 Dual tariff electricity meter arrangement |
| 12/01/1999 | CN2351765Y Civil metering and controlling device for electricity |
| 11/25/1999 | WO1999060415A1 Apparatus and method for detecting tampering in a multiphase meter |
| 11/24/1999 | CN2350771Y Inserted electric energy meter |
| 11/24/1999 | CN2350770Y Kilowatt-hour metal capable of avoiding fraudulent use of electricity |
| 11/24/1999 | CN1236103A Meter opening detect ion device |
| 11/18/1999 | WO1999058987A1 Method for transmitting and storing value and value store electric power meter using the same |
| 11/18/1999 | CA2332113A1 Method for transmitting and storing value and value store electric power meter using the same |
| 11/17/1999 | CN2349580Y Bar code reading out electricity meter |
| 11/17/1999 | CN2349579Y Device for preventing electricity fraudulent use |
| 11/17/1999 | CN2349578Y Device for preventing electricity fraudulent use |
| 11/10/1999 | CN2348401Y Single-phase prepayment safety electric energy meter |
| 11/10/1999 | CN2348400Y Electric meter avoiding or indicating fraudulent use of electricity |
| 11/10/1999 | CN2348399Y Start adjusting piece for electric energy meter |
| 11/10/1999 | CN2348398Y Watt consumption number collector |
| 11/10/1999 | CN2348397Y Infrared electronic watt-hour meter copying instrument |
| 11/09/1999 | CA2172461C Electric service safety disconnect apparatus with overvoltage and overcurrent protection |
| 11/04/1999 | WO1999056138A1 Method for selecting an outstation using a control centre in a transmission system |
| 11/03/1999 | EP0953845A1 Method by which a central unit selects a secondary unit in a transmission system |
| 11/03/1999 | CN2347178Y 单相电度表 Single-phase watt-hour meter |
| 11/03/1999 | CN1234119A Method and apparatus for oscillator compensation in electrical eneryg meter |
| 10/27/1999 | CN2345984Y Card-inserted type pre-payment electric energy meter |
| 10/27/1999 | CN2345983Y Anti-steal electrical apparatus for single-phase pre-payment electric energy meter |
| 10/20/1999 | CN2344779Y Electric energy measuring cabinet |
| 10/14/1999 | WO1999023495A3 Watthour meter socket adapter |
| 10/13/1999 | EP0949511A1 Device for detecting the opening of a utility meter |
| 10/13/1999 | CN2343589Y Electric energy meter capable of preventing fraudulent use of electricity |
| 10/13/1999 | CN1231425A High-voltage measuring fradulent use preventing electricity supply method and measurer thereof |
| 10/12/1999 | US5966010 Electrical energy meter with snap fit interlocking parts |
| 10/06/1999 | CN2342375Y Coined electric quantity controller |
| 10/06/1999 | CN2342374Y Multifunctional high voltage power metering box |
| 10/06/1999 | CN2342373Y Improved structure for electric meter |
| 10/06/1999 | CN1045507C Wired transmission intelligence power consumption metering controlling instrument |
| 10/06/1999 | CA2266612A1 Device for detecting whether a meter is opened |
| 09/29/1999 | CN2341155Y Hour timer for sale of electric power |
| 09/29/1999 | CN2341154Y Electronic pre-charged watt-hour meter |
| 09/29/1999 | CN2341153Y Kilowatt metering unit |
| 09/29/1999 | CN2341152Y Electronic recorder for electric charges |
| 09/29/1999 | CN2341151Y Sectional number indicator for electric power meter |
| 09/29/1999 | CN1229921A Method and apparatus for electronic meter testing |
| 09/28/1999 | US5959243 Mating ring for a meter cover and base assembly |
| 09/23/1999 | WO1999047935A1 Modular sensor array, metering device, mounting and connection base |
| 09/23/1999 | CA2288831A1 Modular sensor array, metering device, mounting and connection base |
| 09/22/1999 | CN2339993Y Wiring part of precharged electric meter |
| 09/22/1999 | CN2339992Y Multi-core mould-block type single-phase electric meter |
| 09/22/1999 | CN2339991Y 节能电度表 Energy-meter |
| 09/15/1999 | EP0942290A1 Apparatus with non-customized components, at least one customized component, and at least one processor |
| 09/14/1999 | US5951324 Socket assembly for meter center |
| 09/10/1999 | WO1999045616A1 An electricity distribution board having a distribution terminal block, and a distribution terminal block for use in the electricity distribution board |
| 09/08/1999 | EP0940309A2 Connection of a control circuit for an antitheft battery |
| 09/08/1999 | EP0940308A2 Connection of power supply to a control circuit for an antitheft battery |
| 09/08/1999 | CN2337562Y Apparatus for protecting power supply system and avoiding fraudulent use |
| 09/08/1999 | CN2337561Y Single-phase civil electric meter with unit for avoiding fraudulent use |
| 09/08/1999 | CN2337560Y Combined batch meter for avoiding electricity fraudulently used |
| 09/08/1999 | CN2337559Y Fast coupling line device for corrosion-resistant accumulator cell |
| 09/08/1999 | CN1227922A Double-monitoring current comparison type apparatus for avoiding fraudulent use of electricity |
| 09/01/1999 | CN2336363Y Prepayment multi-card KWH-meter |
| 08/31/1999 | US5944555 Apparatus for grounding external metal watthour meter component |
| 08/25/1999 | CN2335148Y Electronic IC card pre-payment electric energy meter |
| 08/25/1999 | CN2335147Y Electric power meter recording device and run indicator thereof |
| 08/25/1999 | CN2335146Y Multi-subscriber electric energy meter |
| 08/18/1999 | CN2334034Y Time interval control watt-hour meter |
| 08/18/1999 | CN2334033Y Counter of kilowatt-hour meter |
| 08/17/1999 | US5940009 Apparatus and method to detect tampering with an electronic utility meter |
| 08/04/1999 | CN2331975Y Two-purpose pre-payment electric energy ment with double free-rate and common fee-rate |
| 08/04/1999 | CN2331974Y Damper for watt-hout meter |
| 08/04/1999 | CN2331973Y Device for protecting three-use watt-hour meter burnout when mistake detection |
| 08/03/1999 | US5933004 Low profile modular revenue meter |
| 07/29/1999 | DE19803176A1 Domestic electricity meter for recording power consumption |
| 07/28/1999 | CN2330994Y Coulometric signal detecting mechanism and its card type electric energy meter |
| 07/26/1999 | CA2259865A1 Meter coupling |
| 07/21/1999 | CN2329973Y Three-phase watt-hout meter capable of avoiding fraudulent use of electricity |
| 07/21/1999 | CN2329972Y Automatic recorder for indicating fraudulent use of electricity |
| 07/21/1999 | CN2329971Y Multifunctional device for avoiding fraudulent use of electricity |
| 07/20/1999 | US5926015 Machine readable display unit |
| 07/15/1999 | WO1999035506A2 Expansion module for modular meter |
| 07/14/1999 | CN2329001Y Anti-fraudulent use electrisity single phase electric meter |
| 07/07/1999 | EP0801836B1 Energy management and building automation system |
| 07/07/1999 | CN2328014Y Assembled watt-hour meter |
| 06/30/1999 | CN2326962Y Electricity meter with harmonic wave inhibiting device |
| 06/30/1999 | CN2326961Y Magnetic thrust bearing type electricity meter |
| 06/30/1999 | CN2326960Y Capacitor type read electricity meter |
| 06/29/1999 | US5917317 Retarding magnet assembly for electricity meter |
| 06/24/1999 | WO1999031519A1 Device for detecting illicit tapping of current from a mains electricity supply |
| 06/23/1999 | EP0923742A1 Electronic electric meter for networked meter reading |
| 06/23/1999 | CN2325780Y Cover for kilowatt-hour meter for fraudulent use of electricity |
| 06/23/1999 | CN2325779Y Examination table connecting rack for kilowatt-hour meter |
| 06/16/1999 | CN2324548Y IC card pre-payment electric energy meter |
| 06/16/1999 | CN2324547Y IC card electric power carrier intelligent electric meter |
| 06/16/1999 | CN2324546Y Electronic counting electric meter |
| 06/16/1999 | CN2324545Y Number transfer electric meter |
| 06/15/1999 | US5912633 Mains signalling systems |
| 06/09/1999 | CN2323376Y Double monitor current comparison type three phase timing counter for timing frandulent use of electricity |