Patents
Patents for G01R 22 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters (4,127)
09/2004
09/23/2004DE10311441A1 Elektronischer Elektrizitätszähler Electricity meter
09/22/2004EP1460438A1 Modular electricity meter
09/22/2004EP1460435A1 Consumption meter with interchangeable metering modul
09/15/2004EP1457784A1 Consumption indicator having improved efficiency
09/15/2004EP1456683A1 Device for measuring the consumption of electrical energy
09/15/2004EP1456676A2 System for the remote data acquisition and control of electric energy meters
09/15/2004CN2641663Y Electric energy monitoring controller
09/15/2004CN2641662Y Multi-user central controlled multi-function electricity buying controller
09/15/2004CN1529174A Method for preventing fraudulent use of electricity by three-phase three elements and electricity meter with same
09/10/2004WO2003055031A9 System for the remote data acquisition and control of electric energy meters
09/09/2004DE202004009456U1 Electricity meter tamper protection system has meter holder sliding plate closing meter contact access opening and locked by key in commercial cylinder lock
09/08/2004CN2639902Y Electric energy meter capable of remote control and time-sharing charging
09/08/2004CN2639901Y Electronic electric energy meter having remote control function
09/08/2004CN2639900Y Intelligent type electronic ellectric energy meter
09/08/2004CN1527946A Solid-state electricity meter
09/08/2004CN1527058A Prepaying intelligent electric meter reading transcribing device in DCPL network
09/02/2004US20040169500 Kilowatt-hour Counter Using An ADI ADE7755
09/01/2004CN1164951C Open type voltameter
09/01/2004CN1164930C Method and device for measuring residual hydrogen of hydrogen accumulator
08/2004
08/26/2004US20040167676 Method of managing electric power generator, managing device, electric power generator, communication device, computer program therefor, and managing system for electric power generator
08/25/2004CN1163757C Closed electronic anti theft pre-payment intelligent read-write watt-hour meter
08/24/2004CA2422073A1 Energy meter
08/17/2004US6778920 Methods and apparatus for metering energy consumption
08/17/2004US6778099 Wireless area network communications module for utility meters
08/11/2004EP1444527A2 A method and apparatus for reading and controlling electric power consumption
08/11/2004CN2632685Y Pouring wireless remote control high-pressure anti-theft batch meter
08/04/2004CN1517715A Power relevance quantity measuring device
07/2004
07/28/2004EP1108218A4 Methods and apparatus for metering energy consumption
07/27/2004US6767128 Electromagnetic wave sensor
07/22/2004US20040140908 Utility usage rate monitor
07/21/2004EP1438659A1 Utility meter having computer network access for receiving an interpretive language program to implement new meter functionality
07/21/2004EP1438592A1 Inductive current sensor for an electricity meter
07/13/2004US6762598 Method for providing optical test signals for electronic meter testing
07/08/2004US20040133367 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems
07/08/2004DE202004006077U1 Household meter fixing unit has spring retention of sliding cover over opposed claws to prevent incorrect insertion of meter
07/07/2004CN2624213Y Metering power supply terminal block
07/06/2004US6759839 Wide-band RF signal power detecting element and power detecting device using the same
06/2004
06/30/2004CN2622712Y Full electronic and multifunctional prefeeing watt-hour meter
06/30/2004CN2622711Y Single-phase watt measuring collecting card
06/30/2004CN1509410A Utility usage rate monitor
06/24/2004US20040119458 Advanced instrument packaging for electronic energy meter
06/17/2004WO2004051289A1 Alectrical energy metering device and method by using sampling resistors in the whole current loop
06/16/2004CN1504755A Three-phase true value electric energy meter
06/01/2004US6745138 Intelligent electronic device with assured data storage on powerdown
06/01/2004CA2264796C Automatic meter reading data communication system
05/2004
05/26/2004CN1499204A Integrative type coulomb meter box against electric larceny
05/25/2004US6741070 Wide-band RF signal power detecting element and power detecting device using the same
05/19/2004CN2617058Y Metering socket
05/19/2004CN2616911Y Data acquisition device for pulse electric energy meter
05/13/2004DE19723641B4 Hochfrequenz-Leistungsmesser RF power meter
05/13/2004DE10249790A1 Electricity metering method in which an amplitude time integral of an alternating current or voltage is determined by formation of a frequency modulated measurement signal and counting of the signal periods or half-periods
05/13/2004CA2411670A1 Lug for providing both electrical and mechanical connection between buses and watt hour meter sockets
05/11/2004US6735535 Power meter having an auto-calibration feature and data acquisition capabilities
05/11/2004US6734663 Solid-state electricity meter
05/11/2004US6734661 Current Sensor
05/06/2004WO2004038672A1 Automated alarm setpoint learning in an electrical meter
04/2004
04/29/2004WO2002049195A9 Auxiliary metering apparatus and methods
04/28/2004EP1412762A1 Solid-state electricity meter
04/28/2004CN1493002A Electronic watthour meter and power-associated quantity calculation circuit
04/28/2004CN1147732C Photoetric watt-hour meter
04/22/2004WO2004034069A1 System for the control of reticulated services
04/14/2004EP1234289A4 System and method for wireless automatic meter reading
04/14/2004CN2611911Y Singe-phase, multi-user active watt-hour meter for power administration network
04/14/2004CN2611910Y Three-phase, four-line active watt-hour meter for power administrative network
04/14/2004CN2611909Y Reactive power measuring circuit based on digit integration for carrying out phase shift
04/14/2004CN2611907Y Three-phase power metering monitor
04/07/2004EP1242932A4 User interface to facilitate, analyze and manage resource consumption
04/01/2004US20040061623 Adapter for a meter
03/2004
03/31/2004CN2608993Y Multifunctional electric energy meter for industrial and mining electric locomotive
03/30/2004US6714881 Time reference compensation for improved metering accuracy
03/25/2004US20040059469 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems
03/25/2004DE10010545B4 Berechnungssystem für elektrische Leistung Calculation system for electric power
03/16/2004US6708125 Procedure for the determination of the consumption of electrical energy
03/11/2004WO2004021020A1 Housing for a meter
03/09/2004US6703823 Method and apparatus for electronic meter testing
03/03/2004EP1393083A1 Utility usage rate monitor
03/03/2004EP1393019A1 Optical sensor for utility meters
03/03/2004CN1140767C Probe scanning device for probe microscope
02/2004
02/25/2004CN1139818C Fully electronic intelligent kilowatt-hour meter
02/25/2004CN1139817C Control circuit system of card-type kilowatt-hour meter
02/24/2004US6696925 Electrical revenue meter and instrument transformers mobile station
02/24/2004CA2269688C Electrical energy meter oscillator compensation
02/18/2004CN1138983C Method and apparatus for electronic meter testing
02/17/2004US6694270 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems
02/11/2004EP1388737A1 Housing for a meter
02/05/2004US20040024483 Controlling utility consumption
02/04/2004CN2602382Y Intelligence electric metering device for avoiding electric burglary
01/2004
01/29/2004US20040017173 Process for measuring phase currents of a device for controlling electric motors made with IMS technology or the like embedding, for such measure, resistance and temperature control device for power transistors
01/28/2004EP1385207A1 Process for measuring phase currents of a device for controlling electric motors made with ims technology or the like embedding, for such measure, resistance and temperature control device for power transistors
01/22/2004WO2004008414A1 Data communication network for utility meters
01/21/2004CN2600818Y Pre-payment electric meter
01/20/2004US6680615 Method and device for checking the charge state of a battery, in particular a rechargeable battery for a cellular mobile telephone
01/20/2004US6679723 Electric power watthour meter with cover handles
01/15/2004US20040008023 Real-time charging electronic watthour meter
01/15/2004US20040008019 Method and apparatus for electronic meter testing
01/14/2004CN2599592Y Electronic electric energy meter current diverter
01/14/2004CN2599589Y Integrated electric meter box for preventing illegal using electricity
01/08/2004WO2004003573A1 Electrical-energy meter
01/08/2004US20040006439 Method and apparatus for reading and controlling utility consumption
01/07/2004EP1379012A1 Integrated and automated water, gas and electricity meter reading via power line carrier
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