| Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609) |
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| 11/17/2011 | DE19910902B4 Messwerterfassungs- und -Anzeigenvorrichtung Data acquisition and -Anzeigenvorrichtung |
| 11/16/2011 | CN202041580U Digital electricity meter device based on electrical link bus |
| 11/16/2011 | CN202041579U DC (Direct Current) electric energy metering device |
| 11/16/2011 | CN102246049A Mobile terminal and load power measuring method thereof |
| 11/16/2011 | CN102244393A System and method for photovoltaic plant power curve measurement and health monitoring |
| 11/16/2011 | CN102243270A Detection method of oil fume purifier working state and apparatus thereof |
| 11/16/2011 | CN102243269A Power supply measuring device |
| 11/16/2011 | CN102243268A Micro-electro-mechanical directional coupling microwave power sensor and preparation method thereof |
| 11/16/2011 | CN102243267A Method for testing daily power consumption and unit capacity daily power consumption of vending machine |
| 11/16/2011 | CN101593983B Method for quickly positioning oscillating center of electric system |
| 11/16/2011 | CN101567581B Universal intelligent low-voltage monitoring system |
| 11/09/2011 | CN202033416U Electric energy measuring device |
| 11/09/2011 | CN102236047A Power detector circuit for measuring output power of amplifier circuit, and electronic circuit |
| 11/08/2011 | US8055928 Method for characterizing the health of a computer system power supply |
| 11/08/2011 | US8055590 Method and system for remotely monitoring meters |
| 11/08/2011 | US8055461 Distributing metering responses for load balancing an AMR network |
| 11/08/2011 | US8053255 STRAM with compensation element and method of making the same |
| 11/03/2011 | US20110270547 Power measuring device |
| 11/03/2011 | US20110270546 Efficiency meter for photovoltaic power generation systems |
| 11/02/2011 | EP2304448B1 Passive mixer power detector method and apparatus |
| 11/02/2011 | CN202024792U Pump flow rate detection apparatus integrated on a water pump body |
| 11/01/2011 | US8051304 Power supply apparatus with system controller |
| 11/01/2011 | US8050877 Method for the determination of work/power |
| 11/01/2011 | US8050875 Steam trap monitoring |
| 10/27/2011 | WO2011133578A1 Apparatus, system, and method having a wi-fi compatible alternating current (ac) power circuit module |
| 10/27/2011 | WO2011131984A2 Appliance monitoring and control systems |
| 10/27/2011 | WO2011049307A3 Method for performing an asynchronous command in a remote meter-reading system |
| 10/27/2011 | US20110264293 System and method of determining an energy harvesting capability of a location |
| 10/27/2011 | US20110259333 Ventilation System With System Status Display For Maintenance And Service Information |
| 10/26/2011 | CN202018478U Wide-range electric energy metering device for fluctuating load |
| 10/26/2011 | CN102226821A Transmission type detector used for waveguide signal power detection |
| 10/25/2011 | US8044677 Electrical system, voltage reference generation circuit, and calibration method of the circuit |
| 10/20/2011 | WO2011129994A1 Gateway-based ami network |
| 10/20/2011 | US20110254690 Container Power Sensing System and Method |
| 10/20/2011 | CA2796424A1 Gateway-based ami network |
| 10/19/2011 | EP2376927A1 Power metering and merging unit capabilities in a single ied |
| 10/19/2011 | CN202013378U Digital electricity quantity metering device for subway electric passenger train |
| 10/19/2011 | CN102221642A Power factor sampling method and power factor compensation equipment |
| 10/18/2011 | US8041521 Estimating power consumption of computing components configured in a computing system |
| 10/18/2011 | US8040097 Servo motor drive control device for calculating consumed electric energy and regenerated electric energy |
| 10/13/2011 | US20110251933 Energy-saving measurement, adjustment and monetization system and method |
| 10/12/2011 | CN202009265U High-voltage switch controller with metering function |
| 10/12/2011 | CN102216792A Method for monitoring energy usage in the lighting sector using a switch sensing technique |
| 10/12/2011 | CN101718809B System and method for acquiring power quality data |
| 10/12/2011 | CN101672872B Method for quickly measuring circuit power consumption |
| 10/11/2011 | US8036872 Systems and methods for performing automatic real-time harmonics analyses for use in real-time power analytics of an electrical power distribution system |
| 10/05/2011 | EP1435002B1 Apparatus and method for calculating of three-phase power factor |
| 10/05/2011 | CN202002974U Module |
| 10/05/2011 | CN202002973U Network multifunctional power meter |
| 10/05/2011 | CN102209901A Energy consumption monitor for a domestic appliance |
| 10/04/2011 | US8032317 System and methods for metering and analyzing energy consumption of events within a portable device |
| 10/04/2011 | US8032233 Method and apparatus for actively managing consumption of electric power supplied by an electric utility |
| 09/29/2011 | US20110238342 Method for calculating energy efficiency of information technology equipment |
| 09/29/2011 | US20110238340 Virtual Machine Placement For Minimizing Total Energy Cost in a Datacenter |
| 09/29/2011 | DE102010012834A1 Messanordnung zur Erfassung von Wechselströmen Measuring arrangement for detecting alternating currents |
| 09/28/2011 | CN102198903A Method and instrument for comprehensively detecting energy consumption of elevator |
| 09/28/2011 | CN101576582B Method for estimating electrode current according to transformer primary side and secondary side ampere-voltage and parameters thereof |
| 09/27/2011 | US8027795 Load model generation for estimating a load value from a base load value in a system |
| 09/22/2011 | WO2011116186A1 Methods and systems for blind analysis of resource consumption |
| 09/22/2011 | WO2011079190A8 Dynamic load estimation of multiple branch circuits |
| 09/22/2011 | US20110231121 System and method for providing universal additional functionality for power meters |
| 09/22/2011 | DE102007001221B4 Mehrphasen-Elektroenergiezähler Multi-phase electric energy meter |
| 09/21/2011 | EP2366975A1 Power supply and consumption meter with such a power supply |
| 09/21/2011 | CN201984109U 电涡流测功系统 Eddy current dynamometer system |
| 09/21/2011 | CN102193027A Model-based power estimation of photovoltaic power generation system |
| 09/21/2011 | CN101726660B Identification method of transformer internal faults based on leakage magnetic field model |
| 09/20/2011 | US8024138 Power supply circuitry, collection and reporting of power supply parameter information |
| 09/20/2011 | US8024077 Smart transformer |
| 09/20/2011 | US8022690 Intelligent electronic device for providing broadband internet access |
| 09/15/2011 | WO2011111569A1 Power measurement system, voltage measurement device, current measurement device, and power measurement method |
| 09/15/2011 | WO2011066823A3 Method and device for analyzing the energy use during the operation of a production system |
| 09/15/2011 | US20110224927 Energy consumption improvement calculation apparatus, method for controlling same, and energy consumption improvement calculation program |
| 09/15/2011 | US20110221396 Energy consumption output device and method for outputting a still remaining usability |
| 09/14/2011 | CN201974474U 一种国网三相智能电能表 One kind of national network of three-phase smart meter |
| 09/14/2011 | CN201974471U 单相电子式载波电能表 Single-phase electronic energy meter carrier |
| 09/14/2011 | CN201974470U 中频电参数测量仪器 IF electrical parameter measuring instrument |
| 09/14/2011 | CN201974469U 兼容型三相电能表 Compatible three-phase energy meter |
| 09/14/2011 | CN201974468U 一种用于波导信号功率检测的传输式检波器 A method for detecting the transmission signal power of the waveguide-type detector |
| 09/13/2011 | US8020015 Method and apparatus for on-demand power management |
| 09/09/2011 | WO2011107184A1 Electronic component, in particular current sensor |
| 09/08/2011 | US20110218689 Local power management unit and power management system employing the same |
| 09/08/2011 | DE102009047247A1 Belastungszustandsbestimmer, Lastanordnung, Leistungsversorgungsschaltung und Verfahren zum Bestimmen eines Belastungszustandes einer elektrischen Leistungsquelle Belastungszustandsbestimmer, load device, power supply circuit and method for determining a load state of an electrical power source |
| 09/07/2011 | CN102175923A Transmission line dynamic loss measurement system and method |
| 09/07/2011 | CN102175910A Micro-electro-mechanical system (MEMS) microwave power automatic detection system and detection method and preparation method thereof |
| 09/07/2011 | CN102175909A Micro-electro-mechanical system (MEMS) cantilever type microwave power automatic detection system and detection method and preparation method thereof |
| 09/07/2011 | CN102175283A Method and system for detecting purifying capacity of electrostatic oil smoke purifier |
| 09/07/2011 | CN101692123B Micro-electromechanical microwave loss compensating microwave power detector |
| 09/06/2011 | US8014964 Electrical power and energy measurement method and apparatus |
| 09/01/2011 | US20110210862 Method and apparatus for collecting and displaying consumption data from a meter reading system |
| 08/31/2011 | CN102171577A System and method for measuring reactive power |
| 08/31/2011 | CN102170062A Power strip and electric power measurement system |
| 08/31/2011 | CN102169138A Method for processing correction of phase difference of power grid test or counting device |
| 08/31/2011 | CN102169001A Pumping flow detection device integrated on water pump main body |
| 08/30/2011 | US8010815 Computational device power-savings |
| 08/30/2011 | US8010812 Method and apparatus for actively managing consumption of electric power supplied by one or more electric utilities |
| 08/30/2011 | US8010640 Systems and methods for auto-configuration of a generic data device coupled to a utility meter on a wireless network |
| 08/30/2011 | US8010304 Apparatus and method for measuring active and reactive powers |
| 08/25/2011 | US20110208450 Circuit Tracer |
| 08/25/2011 | DE102010009080A1 Verfahren und Vorrichtung zum Auffinden leistungsschwacher PV-Module in einer PV-Anlage Method and apparatus for detecting low-power PV modules in a PV system |
| 08/25/2011 | DE102010009079A1 Verfahren und Vorrichtung zum Auffinden leistungsschwacher PV-Module in einer PV-Anlage mittels des Einsatzes von Trennschaltern Method and apparatus for detecting low-power PV modules in a PV system through the use of circuit breakers |