| Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609) |
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| 03/17/2010 | CN101672872A Method for quickly measuring circuit power consumption |
| 03/17/2010 | CN100594577C System and method for analyzing power flow in semiconductor plasma generation systems |
| 03/11/2010 | WO2010027441A2 Power and energy meter for measuring electromagnetic radiation |
| 03/11/2010 | WO2009158314A9 System and method for realtime monitoring of resource consumption and interface for the same |
| 03/04/2010 | WO2010024773A1 Method and apparatus for evaluating energy savings |
| 03/04/2010 | WO2009142903A3 Rms detector with automatic gain control |
| 03/04/2010 | US20100057387 Current inputs interface for an electrical device |
| 03/04/2010 | US20100054276 System and method for providing communication between intelligent electronic devices via an open channel |
| 03/04/2010 | US20100052590 Methods and apparatus for monitoring average current and input power in an electronically commutated motor |
| 03/03/2010 | EP2159582A2 Methods and Apparatus for Monitoring Average Current and Input Power in an Electronically Commutated Motor |
| 03/03/2010 | CN201417288Y Power test device of small outer-rotor generator |
| 03/03/2010 | CN201417286Y Integrated power detection device and system thereof |
| 03/03/2010 | CN101661057A Device for implementing power measurement based on resistance sampling by linear optocoupler |
| 03/03/2010 | CN101661056A Methods and apparatus for monitoring average current and input power in an electronically commutated motor |
| 03/02/2010 | US7670045 Microstrip power sensor |
| 02/25/2010 | WO2010020614A1 True root-mean-square detection with a sub-threshold transistor bridge circuit |
| 02/25/2010 | US20100049456 Electrical Power Metering Device and Method of Operation Thereof |
| 02/25/2010 | US20100049455 System and method for monitoring power damping compliance of a power generation unit |
| 02/24/2010 | CN201413569Y Wireless power transmitter |
| 02/24/2010 | CN201413353Y Data acquisition tester for miniature photovoltaic system |
| 02/23/2010 | US7668671 System for managing resource infrastructure and resource consumption in real time |
| 02/18/2010 | US20100042264 Method for calculating availability for line power systems |
| 02/18/2010 | US20100039062 Smart charge system for electric vehicles integrated with alternative energy sources and energy storage |
| 02/18/2010 | DE102009011665A1 Anordnung zur Messung von Stromertrags- und/oder Verbrauchsgrößen in einem Niederspannungsnetz Arrangement for measuring Stromertrags- and / or consumption variables in a low-voltage network |
| 02/11/2010 | US20100036773 Integrated wireless resonant power charging and communication channel |
| 02/11/2010 | US20100036625 Temperature Profiling in an Electricity Meter |
| 02/11/2010 | US20100036624 Stress condition logging in utility meter |
| 02/11/2010 | US20100036623 Electricity detecting system and method having a verifying mechanism for verifying measured electricity values |
| 02/11/2010 | DE102005036317B4 Verfahren und Vorrichtung zum Bestimmen der Verlustleistung eines elektronischen Schalters, Wechselrichter, Windenergieanlage mit Verfahren zur Steuerung Method and apparatus for determining the power dissipation of an electronic switch, inverter, wind turbine with a method of controlling |
| 02/10/2010 | CN201402289Y Electricity quality on-line monitoring device |
| 02/10/2010 | CN201402281Y Wattmeter with various input and output wire sleeve arrangements and matched display device |
| 02/09/2010 | US7660683 Waveform detection, in particular for the representation of the root mean square of a waveform |
| 02/09/2010 | US7659018 Fuel cell power control unit |
| 02/09/2010 | CA2279802C Reduced cost automatic meter reading system and method using locally communicating utility meters |
| 02/03/2010 | EP2149795A1 Method and practical use system for measuring the imbalance power in electrical installations, and the device for calibration thereof |
| 02/03/2010 | CN201398080Y Low-voltage distribution network load measuring-recording and powerless regulating device |
| 02/03/2010 | CN201397359Y Metering and monitoring module for electric power remote terminal unit |
| 02/03/2010 | CN201397351Y Modularized assembled electric power metering device |
| 02/03/2010 | CN201397350Y Modularized assembled electric power metering device |
| 02/02/2010 | CA2299043C Revenue meter with power quality features |
| 01/28/2010 | WO2010009502A1 An authentication system for a plug-in electric drive vehicle |
| 01/28/2010 | US20100023284 Intelligent fuse holder and circuit protection systems |
| 01/28/2010 | US20100023283 Isolated current sensor |
| 01/28/2010 | US20100019758 Ac electric quantity measuring device |
| 01/27/2010 | CN201392959Y Electric-energy measuring wall socket with time control and communication functions |
| 01/27/2010 | CN201392360Y Electric multi-parameter measuring device |
| 01/27/2010 | CN201392354Y Electric energy metering device of modularized assembly |
| 01/27/2010 | CN201392353Y Electric energy meter assembled through modularization |
| 01/27/2010 | CN101636659A Electrical power system control communications network |
| 01/27/2010 | CN100585412C Calculating method for effective power of capacitor and method for testing consumed effective power |
| 01/26/2010 | US7653499 Method and system for automated energy usage monitoring within a data center |
| 01/26/2010 | CA2165212C An electrical metering system having an electrical meter and an external current sensor |
| 01/21/2010 | WO2010007369A2 Utility metering |
| 01/21/2010 | WO2010007186A1 Method and system for calculating the reactive power in disturbed three-phase networks |
| 01/21/2010 | US20100017153 Method and Device for Determining the Electrical Loadability of Overhead Lines by Means of Temperature Measurement |
| 01/21/2010 | CA2729960A1 Utility metering |
| 01/20/2010 | EP2145195A1 System and method for power detection in a power amplifier |
| 01/20/2010 | CN201387448Y Multi-functional electric energy meter with high-reliability data storage function |
| 01/20/2010 | CN100582801C Batch detector methods and apparatus of power amplifier |
| 01/19/2010 | US7649347 Method and apparatus to evaluate notches in an electrical power system |
| 01/14/2010 | US20100010939 Renewable energy system business tuning |
| 01/13/2010 | CN201382974Y Power measurement device for variable-frequency power supply |
| 01/13/2010 | CN201382973Y Energy consumption monitoring system based on wireless sensor network |
| 01/13/2010 | CN101627312A AC electric quantity measuring device |
| 01/07/2010 | WO2009140049A3 System and methods for metering and analyzing energy consumption of events within a portable device |
| 01/06/2010 | CN201378183Y High voltage motor power analyzer |
| 01/06/2010 | CN201378180Y Voltage/electric-quantity inquiring circuit for soy milk grinder |
| 01/05/2010 | US7643950 System and method for minimizing power consumption for an object sensor |
| 01/05/2010 | CA2340732C High function, user configurable electricity meter |
| 01/05/2010 | CA2340731C Methods and apparatus for defining meter data calculations in an electronic electricity meter |
| 12/31/2009 | US20090322314 High density metering system |
| 12/31/2009 | US20090322313 Power measurement apparatus |
| 12/30/2009 | WO2009158314A1 System and method for realtime monitoring of resource consumption and interface for the same |
| 12/30/2009 | WO2009158202A1 High density metering system |
| 12/30/2009 | CN201374809Y Loudspeaker protective device and mobile communication terminal |
| 12/30/2009 | CN201374017Y Control circuit for household appliance capable of inquiring electric quantity and voltage in real time |
| 12/30/2009 | CN201373897Y Meter counting device with shock-absorption device |
| 12/30/2009 | CN101614769A Method for detecting power factors |
| 12/30/2009 | CN101614768A Waveguide type coupling geophone |
| 12/30/2009 | CN101614767A Power-measuring device |
| 12/30/2009 | CN100576728C RF power sensing circuit |
| 12/30/2009 | CN100575964C Electrical power measuring devices |
| 12/29/2009 | US7639000 Apparatus for electronically measuring or distributing electrical energy |
| 12/24/2009 | US20090315534 Method for eliminating the need to zero and calibrate a power meter before use |
| 12/23/2009 | EP2135488A2 System and method for graphically displaying energy consumption and savings |
| 12/23/2009 | CN201368904Y Real-time dynamic monitoring and recording device of power system |
| 12/23/2009 | CN101610005A Electrical control method and system |
| 12/23/2009 | CN100573164C Device and method for measuring photo-electric electric power |
| 12/17/2009 | US20090312969 System to make consumers aware of electricity usage |
| 12/17/2009 | US20090312968 Power consumption feedback systems |
| 12/17/2009 | US20090312967 Producing a phasor representation of an electrical entity in a multiphase ac electric power system |
| 12/17/2009 | US20090312881 System and method for centralized monitoring of distributed power transformer |
| 12/17/2009 | US20090309612 Method and apparatus for determining circular characteristic |
| 12/17/2009 | US20090309570 Methods and systems for managing facility power and cooling |
| 12/17/2009 | DE112008000390T5 Hybrider Monitor für erneuerbare Energien und Datenloger Hybrid monitor for renewable energy and Datenloger |
| 12/15/2009 | CA2508410C Multifunction meter for welding apparatus |
| 12/10/2009 | WO2009148367A1 Device and method for increasing dynamic range for radio frequency diode detector |
| 12/10/2009 | US20090307178 Utility monitoring systems and methods of use |
| 12/10/2009 | US20090306914 System and method for measuring input power of power supplies |
| 12/09/2009 | CN201360133Y Intelligent electric-limiting energy meter |