Patents
Patents for G01R 22 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters (4,127)
01/2004
01/01/2004US20040000900 Electrical-energy meter
12/2003
12/30/2003US6671635 Systems for improved monitoring accuracy of intelligent electronic devices
12/24/2003CN2594797Y Penetrative sensing kilowatt-hour meter
12/17/2003CN1131435C Electric energy metering equipment based on electric load
12/17/2003CN1131434C Power supply circuit for electricity meter
12/11/2003WO2003055031A3 System for the remote data acquisition and control of electric energy meters
12/10/2003CN2591797Y Electric energy metering socket
12/04/2003US20030225713 Prepayment system for power distribution using RFID technology
12/03/2003CN2589998Y Anti-interference multi-user pre-payment electric energy meter
12/03/2003CN2589997Y Intelligent limit electric energy metering equipment
12/03/2003CN2589996Y Mini electric energy measuring plug
12/03/2003CN2589995Y Anti-theft arrangement electric device
11/2003
11/27/2003US20030220752 Apparatus and system for protection, control, and management of electricity distribution systems using time synchronization
11/26/2003CN2588380Y Wireless data received/transmitted electric energy tester
11/20/2003US20030216971 User interface for a system using digital processors and networks to facilitate, analyze and manage resource consumption
11/19/2003CN1128367C Electric energy metering controller for oil pumping machine
11/18/2003US6650249 Wireless area network communications module for utility meters
11/13/2003US20030212512 Apparatus and system for protection, control, and management of electricity distribution systems over a network
11/06/2003WO2003091964A1 Method of using flash memory for storing metering data
11/06/2003CA2483415A1 Method of using flash memory for storing metering data
11/05/2003CN1454317A Electronic power meter with phase and non-linearity compensation
11/04/2003CA2299044C Method and apparatus for automatically controlled gain switching of monitors
10/2003
10/30/2003US20030201904 Method of using flash memory for storing metering data
10/29/2003EP1356306A1 Inner component board assembly for an electric utility meter
10/29/2003CN1451969A Electric energy managing network apparatus
10/28/2003US6639518 Automated alarm setpoint learning in an electrical meter
10/28/2003CA2232906C A two-element energy meter having systems for automatic service type detection
10/22/2003CN2582002Y Outdoor high-voltage dry-electric energy meter
10/21/2003US6636893 Web bridged energy management system and method
10/15/2003CN2580446Y Anti-fraudulent use of electricity automatic management system
10/14/2003US6633237 Methods and apparatus for data transfer in electronic energy meters
10/08/2003CN2578837Y Three-phase kilowatt meter
10/02/2003WO2003081264A1 Electronic watthour meter and power-associated quantity calculating circuit
10/02/2003US20030184956 Overall watthour metter enclosure safety replacement window
10/02/2003US20030184280 Power monitoring system
10/01/2003CN2577295Y Intelligent electric-energy metering and controlling integrated electricity meter
10/01/2003CN1445891A Metering socket
09/2003
09/25/2003US20030178985 Electronic revenue meter with automatic service sensing
09/17/2003CN2574063Y Electric energy meter with time code receiver
09/17/2003CN1442697A Device for anti stealing electricity
09/16/2003US6622097 Method and apparatus for reading and controlling electric power consumption
09/10/2003EP1226443B1 Electromagnetic wave sensor
09/03/2003EP1340311A2 Auxiliary metering apparatus and methods
09/03/2003CN2570800Y External-mounted electric meter for valley point active power
09/03/2003CN2570799Y Single-phase multi-rate electronic style electric energy meter
09/03/2003CN1439883A Automatic eliminating method for self d.c. component in power metering system
09/03/2003CN1439881A Intellectual method and device against electric charge evasion
08/2003
08/28/2003WO2003071292A1 Radio frequency power measurement
08/27/2003EP1338897A2 Electrical meter
08/27/2003CN2569154Y Electromagnetic shielding type electronic electric meter
08/27/2003CN2569148Y Power source device for power meter
08/27/2003CN1438488A Intelligent network multifunction full-electronic electric meter of preventing fraudulent use of electricity
08/26/2003US6611134 Open type electricity meter
08/21/2003US20030158677 System and method for on-line monitoring and billing of power consumption
08/13/2003EP1118003A4 Methods and apparatus for defining meter data calculations in an electronic electricity meter
08/06/2003CN2565025Y Strong interference-preventing electronic type electric energy metering counter
07/2003
07/30/2003CN2563581Y Electromechanical integrated non-return meter
07/24/2003WO2003060540A1 Electronic watthour meter, error adjusting method therefor and power computing circuit
07/24/2003WO2003060531A1 Electronic watt-hour meter, error adjusting method, and power calculating circuit
07/23/2003CN2562193Y Single control chip non-contact card pre-paid kilowatt meter
07/23/2003CN2562192Y Single phase mutual inductance energy-saving electronic kilowatt meter
07/23/2003CN2562190Y Kilowatt meter against charge evasion
07/23/2003CN2562189Y Electromechanical integrated kilowatt meter against charge evasion
07/17/2003US20030135338 Real-time energy monitoring system
07/17/2003US20030132742 Compact intelligent electronic device incorporating transformers
07/16/2003CN2560950Y Electronic electric energy meter with new wiring mode
07/08/2003US6590376 Method of deriving a frequency of a pulse signal from alternate sources and method of calibrating same
07/03/2003WO2003055031A2 System for the remote data acquisition and control of electric energy meters
07/03/2003CA2819916A1 System for the remote data acquisition and control of utility meters
07/03/2003CA2471267A1 System for the remote data acquisition and control of electric energy meters
07/02/2003EP1324057A1 Electronic energy meter, in particular domestic meter
07/02/2003CN2558997Y Wide load high voltage dry electric energy metering box
07/01/2003CA2201299C Graphical display for an energy management device
06/2003
06/26/2003WO2003052447A1 Device for measuring the consumption of electrical energy
06/25/2003CN2557954Y Pulse counter for electronic type electricity energy meter
06/19/2003WO2003050549A1 Method and device for controlling energy consumption by a great number of consumers
06/18/2003CN2556649Y Information button type prepayment electric fee controller
06/18/2003CN1111743C Electronic kilowatt meter and its method
06/12/2003US20030110380 Multi-featured power meter with feature key
06/10/2003US6577961 Energy meter having programmable functions
06/05/2003US20030105608 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems
05/2003
05/30/2003CA2366731A1 Power monitoring system
05/29/2003US20030101008 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems
05/28/2003EP1027580B1 A device and a method of metering and displaying energy consumption and a method of calibrating the device
05/28/2003CN2553553Y Corridor public electric energy equipartition apparatus controlled by computer
05/28/2003CN2553385Y Device for preventing illegal using electricity and long-distance electricmeter-reading
05/28/2003CN1421026A System and method for wireless automatic meter reading
05/22/2003WO2003043133A1 Electric power watthour meter with cover handles
05/21/2003CN1419131A Intelligent fraudulent use prevention electric energy measuring method and device thereof
05/15/2003US20030093390 System and method for estimating power consumption of electric apparatus, and abnormality alarm system utilizing the same
05/14/2003EP0643841B2 System and process for the measurement of the electric energy consumption of a plurality of consumers
05/14/2003CN2550925Y Portable electric Meter
05/13/2003US6564159 Methods and apparatus for defining meter data calculations in an electronic electricity meter
05/08/2003WO2003038454A1 Real-time charging electronic watthour meter
05/08/2003US20030085842 Wireless communication device for electric meter and method of manufacture thereof
05/01/2003US20030080725 Wide-band RF signal power decting element and power detecting device using the same
04/2003
04/30/2003CN2548163Y Electric energy measuring apparatus
04/30/2003CN1415075A Electronic watt-hour meter
04/29/2003US6555997 Electricity meter and an input module for an electricity meter
04/24/2003US20030076242 Utility meter having computer network access for receiving an interpretive language program to implement new meter functionality
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