| Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609) |
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| 02/11/2009 | EP2021812A1 Measuring device comprising a counter-coupled dc amplifier |
| 02/11/2009 | EP2021811A1 Measuring device and method for measuring the power of a high frequency signal |
| 02/11/2009 | CN101364738A Tracing and simulating test method for voltage reactive integrated control system |
| 02/11/2009 | CN101363897A Device and method for burn-in screening array device |
| 02/11/2009 | CN100460878C Magnetic bridge electric power sensor |
| 02/10/2009 | US7490045 Automatic collection and updating of application usage |
| 02/10/2009 | US7489989 System for dispatching and controlling of generation in large-scale electric power systems |
| 02/10/2009 | CA2353929C Utility metering system having waveform capture for power quality monitoring |
| 02/04/2009 | EP2020103A2 System and method for communicating power system information through a radio frequency device |
| 02/04/2009 | CN201191306Y High precision electrical energy meter adopting frequency tracking sampling circuit |
| 02/04/2009 | CN201191304Y Electrical energy meter of ultra-wide metering range |
| 02/04/2009 | CN101359305A Computer power measuring device |
| 02/04/2009 | CN101359006A Intelligent power utilization monitoring device |
| 02/03/2009 | US7486782 Multifunction data port providing an interface between a digital network and electronics in residential or commercial structures |
| 01/29/2009 | WO2008118321A3 Reporting and billing system for clean energy infrastructure |
| 01/29/2009 | WO2008022232A3 Clamp diode reset in a power converter and power outage detection in a switched mode power supply |
| 01/29/2009 | US20090027037 Method for detecting an isolated network |
| 01/29/2009 | US20090026881 Piezoelectric fan, method of cooling a microelectronic device using same, and system containing same |
| 01/28/2009 | CN201188118Y Whole electronic type intelligent electric meter |
| 01/27/2009 | US7484189 Method for searching for potential faults in a layout of an integrated circuit |
| 01/22/2009 | WO2009010892A1 Energy consumption measurement |
| 01/22/2009 | US20090021300 Apparatus and Method for Detecting Output Power From an Amplifier |
| 01/21/2009 | EP2017631A1 Methods and systems for detecting DC influence in a current sensor |
| 01/21/2009 | EP2016432A2 Rf power sensor with chopping amplifier |
| 01/21/2009 | CN100454025C Electric energy meter and power monitor system |
| 01/20/2009 | US7479029 Modular watthour meter socket and test switch |
| 01/20/2009 | CA2549087C Electrical profile monitoring system for detection of atypical consumption |
| 01/15/2009 | WO2009007237A1 Method and apparatus for correcting the phase error in measurement-control equipment for a power network |
| 01/14/2009 | CN201181316Y Ultra-low power consumption full-decompression measuring apparatus |
| 01/14/2009 | CN201181315Y Single-phase anti-electricity theft electric energy meter |
| 01/14/2009 | CN101344545A Computing method of multilevel filter network cascade connection power factor under impedance mismatch condition |
| 01/14/2009 | CN100451665C 能量供给系统 Energy supply system |
| 01/13/2009 | US7477998 System and method for providing universal additional functionality for power meters |
| 01/08/2009 | WO2009005780A1 Automatic utility usage rate analysis methodology |
| 01/08/2009 | WO2009004943A1 Method of calculating electric power consumption saving effect in energy-saving drive support method, energy-saving drive support system, and calculation program for electric power consumption saving effect |
| 01/08/2009 | US20090012651 Including Energy Price in Optimizing Refrigerant System Operation |
| 01/07/2009 | EP2012132A1 Consumption and status measurer |
| 01/07/2009 | CN201177643Y Electrical energy meter of digital transforming plant |
| 01/07/2009 | CN101339644A Method of calculating electric power consumption saving effect in energy-saving drive support method and system |
| 01/07/2009 | CN101339210A Method and device for correcting phase error of electric network measuring and controlling equipment |
| 01/06/2009 | US7474088 Power monitoring system |
| 01/06/2009 | US7474087 Energy meter system and method for calibration |
| 01/06/2009 | US7474080 Method and apparatus for providing economic analysis of power generation and distribution |
| 01/06/2009 | CA2452352C System and method for calibration of data in an electric power monitoring system |
| 01/01/2009 | US20090006012 Power consumption analyzing apparatus and power consumption analyzing method |
| 12/31/2008 | CN201173949Y Three phase electrical energy meter based on NIOS ómicroprocessor |
| 12/31/2008 | CN201173948Y Energy capacity feedback electric energy detection device |
| 12/31/2008 | CN101332971A Passing type microwave power detector based on microelectronic mechanical cantilever beam and manufacturing method |
| 12/30/2008 | US7472027 Method and apparatus of low power energy detection for a WLAN |
| 12/24/2008 | DE102008021922A1 Verfahren und Vorrichtung zur Erzeugung einer Anzeige eines Solarpanel-Betriebszustandes Method and apparatus for generating a display of a solar panel operating status |
| 12/24/2008 | CN201170792Y Apparatus for measuring AC parameter |
| 12/18/2008 | US20080312853 Method and Apparatus for Measuring and Monitoring a Power Source |
| 12/18/2008 | US20080312851 Portable Power Quality Analyzer with Networking Capabilities |
| 12/16/2008 | US7467049 System and method for detecting impaired electric power equipment |
| 12/11/2008 | US20080306699 Method For Measuring the Power Consumption Time of a Cdma Mobile Terminal |
| 12/10/2008 | EP2000780A1 Method and system for detecting and estimating the electric power consumption of a subscriber's facilities |
| 12/10/2008 | CN201163289Y Equipotential high-tension electric energy measuring apparatus of authigenic power supply |
| 12/10/2008 | CN100442021C On-line intelligent analysis and economic diagnosis for steam turbo-generator unit |
| 12/09/2008 | US7463986 Electrical power metering system |
| 12/09/2008 | US7463985 Electric power quality indicator device and method |
| 12/09/2008 | CA2201104C Electronic metering device including automatic service sensing |
| 12/04/2008 | WO2008146984A1 Power measurement system using etm interface and method thereof |
| 12/04/2008 | WO2008033479A3 Distributing metering responses for load balancing an amr network |
| 12/04/2008 | US20080301066 Error propagation in calculation with conditional alternatives |
| 12/04/2008 | US20080300806 Power consumption calculating method |
| 12/03/2008 | EP1996953A1 Measuring device and measuring method for measuring the peak envelope power and the average power |
| 12/03/2008 | CN201159748Y Intelligent electric power metering installation |
| 12/02/2008 | US7460966 Microcontroller that maintains capacitors of an analog circuit in a charged state during low power operation |
| 11/27/2008 | WO2007139842A3 Automated meter reading system, communication and control network for automated meter reading, meter data collector, and associated methods |
| 11/27/2008 | US20080294024 Glucose meter system and monitor |
| 11/26/2008 | EP1994416A2 Energy budget manager |
| 11/26/2008 | CN100437128C Energy metering system |
| 11/20/2008 | WO2008141056A1 System and method for power detection in a power amplifier |
| 11/20/2008 | WO2008027455A3 Orchestration manager |
| 11/20/2008 | US20080288193 Techniques for Analyzing Data Center Energy Utilization Practices |
| 11/20/2008 | US20080288192 System and Method For Monitoring The Effectiveness Of A Brake Function In A Powered System |
| 11/20/2008 | US20080288191 Method for Production of a Data Record and a Field Device, as Well as a System for Recording the Electrical Power Quality of a Power Supply System |
| 11/19/2008 | EP1991879A1 Device and method for measuring electrical power |
| 11/19/2008 | CN101308172A Current integration -type power detection device and power checking module |
| 11/13/2008 | US20080278141 Rf Power Sensing Circuit |
| 11/13/2008 | DE102007021079A1 Verfahren zur Bestimmung von Arbeit/Leistung Method for the determination of work / performance |
| 11/12/2008 | CN201149606Y Direct measurement system for high tension electricity energy |
| 11/12/2008 | CN100433503C Remote energy monitoring apparatus and method |
| 11/06/2008 | WO2008132258A1 Method and practical use system for measuring the imbalance power in electrical installations, and the device for calibration thereof |
| 11/06/2008 | US20080275802 System and method for a utility financial model |
| 11/06/2008 | DE102004032908B4 Batterielastzustand-Erfassungssystem Battery load state detection system |
| 11/05/2008 | EP1988402A2 Method for determining work/power |
| 11/04/2008 | US7447602 System and method for sorting processors based on thermal design point |
| 11/04/2008 | US7447601 Power supply controller method and structure |
| 11/04/2008 | CA2240514C Robust electrical utility meter |
| 10/30/2008 | WO2008081046A3 Polyphase electric energy meter |
| 10/29/2008 | CN201141891Y Power consumption collection module |
| 10/29/2008 | CN101294993A Power detecting instrument of energy-saving lamp |
| 10/28/2008 | US7444247 System and method for reading power meters |
| 10/28/2008 | US7444208 Electrical system wiring diagram generating system, and power supply device and program used for the same |
| 10/23/2008 | US20080262762 Power test device and method thereof |
| 10/22/2008 | CN101291059A Electricity quality analyzer oriented to digitalized electrical system and electricity quality analysis method |
| 10/22/2008 | CN101290514A Energy-saving monitoring system and its energy-saving control method |
| 10/22/2008 | CN101290333A Power testing device and method |
| 10/16/2008 | WO2008033293A3 Distributing metering responses for load balancing an amr network |