| Patents for G01R 22 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters (4,127) |
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| 08/15/2001 | CN2443383Y Double loop resistance on line samping electronic electric energy meter capable of preventing fraudulent use of electricity |
| 08/14/2001 | US6275168 Expansion module for modular meter |
| 08/14/2001 | US6275021 Electricity meter |
| 08/02/2001 | WO2001055987A1 Advanced metering system enabling regulation and billing of utilities by third party interagent |
| 08/02/2001 | WO2001055733A1 System and method for digitally compensating frequency and temperature induced errors in amplitude and phase shift in current sensing of electronic energy meters |
| 07/31/2001 | US6269316 System and method for detecting flicker in an electrical energy supply |
| 07/25/2001 | EP1118003A1 Methods and apparatus for defining meter data calculations in an electronic electricity meter |
| 07/25/2001 | CN2440210Y Electric-energy meter of time-sharing metering according to quantity of electricity |
| 07/17/2001 | US6262672 Reduced cost automatic meter reading system and method using locally communicating utility meters |
| 07/12/2001 | US20010007444 Antenna for electric meter and method of manufacturing thereof |
| 07/11/2001 | EP1114326A1 Electricity meter and an input module for an electricity meter |
| 07/11/2001 | CN2439032Y Electronic electric energy meter counter support |
| 07/11/2001 | CN2439031Y Static multi-user active electric energy meter |
| 07/11/2001 | CN1303540A Method for deriving or calibrating frequency of pulse signal |
| 07/05/2001 | WO2001048723A1 System and method for wireless automatic meter reading |
| 07/05/2001 | CA2396723A1 System and method for wireless automatic meter reading |
| 07/04/2001 | CN1302378A Method for transmitting and storing value and valve store electric power meter using the same |
| 06/28/2001 | WO2001046845A2 A method for managing a utility service utilizing a network |
| 06/21/2001 | DE19957980A1 Watt-hour meter has voltage converter and switch which supply voltage signal to measurement module |
| 06/20/2001 | EP1108218A1 Methods and apparatus for metering energy consumption |
| 06/20/2001 | EP1108217A1 Methods and apparatus for controlling data flow in electricity meter |
| 06/20/2001 | CN1300369A Apparatus and method for detecting tampering in a multiphase meter |
| 06/13/2001 | EP1046042A4 Expansion module for modular meter |
| 06/13/2001 | CN2434683Y Splitting type precharging watt-hour meter |
| 06/12/2001 | US6246332 System and method for detecting voltage and current imbalance in an electrical energy supply |
| 05/30/2001 | EP1102997A1 A current shunt |
| 05/23/2001 | EP1102073A1 Real time flow monitoring |
| 05/23/2001 | EP1102072A1 Real time flow monitoring |
| 05/22/2001 | US6236197 Apparatus and method for detecting tampering in a multiphase meter |
| 05/17/2001 | WO2001035058A1 Low impedance encoder for a utility meter |
| 05/17/2001 | CA2391006A1 Low impedance encoder for a utility meter |
| 05/16/2001 | CN2430694Y Electric meter using IC card spare data |
| 05/16/2001 | CN1065962C Programmable electric energy meter and methods therefore |
| 05/09/2001 | CN2429837Y Modular electronic kilowatt meter |
| 05/03/2001 | WO2001031349A1 Electromagnetic wave sensor |
| 05/02/2001 | CN2428781Y Electronic electric meter with spare data-record storage and special card-insertion device |
| 05/01/2001 | US6226600 Programmable electricity consumption monitor |
| 04/25/2001 | CN2427814Y Single phase electronic electricity meter having anti-fraudulent use and leakage protection function |
| 04/24/2001 | US6222748 Circuit for determining the output power of switched-mode power supply |
| 04/17/2001 | US6219656 Memory integrity for meters |
| 04/17/2001 | US6219655 Method of RF-based communication |
| 03/28/2001 | EP1087211A2 Method for determining energy consumption |
| 03/28/2001 | EP1086379A1 Method for transmitting and storing value and value store electric power meter using the same |
| 03/27/2001 | CA2148076C Power monitor apparatus and method with object oriented structure |
| 02/08/2001 | WO2001010004A1 Double power supply for electricity meter |
| 02/07/2001 | CN2418486Y Dymamic cipher-code input type intelligent electric meter |
| 02/06/2001 | CA2139575C High speed power analyzer |
| 01/31/2001 | CN1281989A Distorting/power failure distinguishing method and equipment |
| 01/31/2001 | CN1281987A IC card public electricity-using metering box and its implementing method |
| 01/30/2001 | US6181294 Antenna for electric meter and method of manufacture thereof |
| 01/25/2001 | WO2001006432A1 User interface to facilitate, analyze and manage resource consumption |
| 01/24/2001 | EP1070967A1 Method and apparatus for electronic meter testing |
| 01/23/2001 | US6178362 Energy management system and method |
| 01/17/2001 | CN2415366Y Electronic type three-phase KWH meter |
| 01/17/2001 | CN1280300A Self-correction multifunctional electronic power meter and its network |
| 01/04/2001 | WO2001001160A1 Methods and apparatus for defining meter data calculations in an electronic electricity meter |
| 01/04/2001 | WO2001001156A1 Methods and apparatus for metering energy consumption |
| 01/04/2001 | WO2001001155A1 Methods and apparatus for controlling data flow in electricity meter |
| 01/03/2001 | EP1065508A2 Tamper/power failure discrimination method and apparatus |
| 01/03/2001 | CN2413293Y Safety three-phase electronic watt-hour meter circuit |
| 12/19/2000 | US6163602 System and method for unified telephone and utility consumption metering, reading, and processing |
| 12/13/2000 | CN2410647Y Kilowatt-hour meter with device for avoiding or indicating fraudulent use of electricity |
| 12/07/2000 | DE10010545A1 Reactive power calculator has phase shift circuit that performs time delay and phase shift to the one bit output data of the delta modulation vessel by using a random access memory |
| 12/06/2000 | EP1018022A4 Energy meter with power quality monitoring and diagnostic systems |
| 12/06/2000 | CN2409524Y Multifunctional watt-hour meter of IC card prepayment |
| 11/23/2000 | DE19949299A1 Installation for external monitoring and following up individual demand on supply and sanitation capacity has a device recording consumption to connect to cold and hot water being installed for an individual consumption as a meter |
| 11/23/2000 | DE19922603A1 Method and device for reading a consumer meter by a remote instrument is fitted with a remote instrument reading module to record consumption electronically and to pass on a data remote transmission link to a data pick-up device. |
| 11/15/2000 | EP1051630A1 Electricity measuring apparatus |
| 11/08/2000 | CN2405229Y Electronic type fraudulent use proof electric meter for more than one user |
| 11/01/2000 | CN2404128Y Radio signal remote control addressable electric meter |
| 11/01/2000 | CN1271862A Control circuit system of card-type kilowatt-hour meter |
| 10/31/2000 | US6141626 Two-element energy meter having systems for automatic service type detection |
| 10/25/2000 | EP1046042A2 Expansion module for modular meter |
| 10/25/2000 | CN2403034Y KWH measuring arrangement for stepping motor |
| 10/18/2000 | CN2401898Y All electronic digital intelligent type pre-payment electric meter |
| 10/18/2000 | CN2401897Y Single phase electronic type compound fee interest electric meter |
| 10/17/2000 | US6133850 Method and apparatus for reducing channel capacity required to report a billable consumption of a utility commodity |
| 10/17/2000 | US6133720 High speed multifunction testing and calibration of electronic electricity meters |
| 10/12/2000 | WO2000017984A9 Energy management system and method |
| 10/04/2000 | CN2399734Y Combined multi-users whole electronic watt-hour meter |
| 09/27/2000 | CN1056925C Multifunction digital watt-hour meter for single-chip processor |
| 09/13/2000 | EP1034594A1 Energy management system and method |
| 09/13/2000 | CN2396400Y Single phase electronic type intelligent network watt-hour meter |
| 09/13/2000 | CN1266190A Power arithmetic system |
| 08/30/2000 | CN1264839A Advanced watt-hour meter device and method thereof |
| 08/29/2000 | US6112159 Robust electrical utility meter |
| 08/29/2000 | CA2130434C Method and apparatus for electronic meter testing |
| 08/23/2000 | CN2393106Y Combined electronic electricity meter |
| 08/16/2000 | EP1027580A1 A device and a method of metering and displaying energy consumption and a method of calibrating the device |
| 08/09/2000 | CN2391202Y Static electric energy meter structure |
| 08/09/2000 | CN1055338C Compensation method for increasing metering precision of electronic watt-hour meter |
| 08/08/2000 | US6100880 Consumption meter with memory, display, and contact-less supply of energy from exterior when external power supply voltage is absent |
| 08/08/2000 | US6100817 Fixed network RF communications complaint with CEBus protocol |
| 08/03/2000 | WO2000045184A1 Advanced instrument packaging for electronic energy meter |
| 07/25/2000 | US6094650 Database analysis using a probabilistic ontology |
| 07/25/2000 | US6094622 System and method for automatically determining the electrical energy service type to which an energy meter is connected |
| 07/19/2000 | EP1020279A1 Power consumption display device for machine |
| 07/19/2000 | EP1019882A1 Automatic meter reading data communication system |
| 07/19/2000 | EP1019737A2 Method and apparatus for electrical power measurement |
| 07/18/2000 | CA2130433C Electrical energy meter and methods therefor |