| Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609) |
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| 04/07/2011 | US20110082654 Power grid with comparison of differences in remote phasor changes |
| 04/07/2011 | US20110082599 Optimizing Utility Usage by Smart Monitoring |
| 04/07/2011 | US20110082580 Vacuum pumping systems |
| 04/06/2011 | EP2304449A2 Utility metering |
| 04/06/2011 | EP2304448A2 Passive mixer power detector method and apparatus |
| 04/06/2011 | CN201788226U Radio frequency power phase detection device |
| 04/06/2011 | CN201788225U Single-phase intelligent electric energy meter with wireless meter reading module |
| 04/06/2011 | CN201788224U Single-phase stationary electric energy meter with wireless meter reading module |
| 04/06/2011 | CN201787699U Intelligent air conditioner capable of automatically controlling electricity consumption |
| 04/06/2011 | CN102007418A Mobile intelligent metering and charging system for charging uniquely identifiable chargable vehicle destinations and method for employing same |
| 04/06/2011 | CN102004185A Three-phase intelligent energy meter |
| 04/06/2011 | CN101060342B Radio frequency power detector |
| 04/05/2011 | US7920976 Averaging in an intelligent electronic device |
| 03/31/2011 | WO2011037679A1 Whole structure contactless power consumption sensing |
| 03/31/2011 | WO2011036530A1 Power supply system |
| 03/31/2011 | WO2011035707A1 Power metering automatic product with communication function |
| 03/31/2011 | US20110077878 Power supply with data communications |
| 03/31/2011 | DE102009048670A1 Control device e.g. power monitoring device, for controlling power and quality of electrical network, has switching device monitoring power supply and switching power supplies during interference in energy storage mode |
| 03/31/2011 | DE102009029592A1 Program controlled energy-monitoring-and control device for switching cabinet in energy-management system in e.g. factory, has storage device comprising switching output, at which output signal is provided and delivered via network |
| 03/31/2011 | CA2759855A1 Power metering automatic product with communication function |
| 03/30/2011 | EP2300836A1 High density metering system |
| 03/30/2011 | CN201780346U Special intelligent wiring detector for watt-hour meter wiring and electricity inspection |
| 03/30/2011 | CN101995529A System and method for monitoring power filters and detecting power filter failure in wind turbine electrical generator |
| 03/30/2011 | CN101995514A Device and method for measuring reactiv power |
| 03/30/2011 | CN101995513A Algorithms for detecting feeder line radio-frequency power and antenna standing-wave ratio in mobile communication system through RFID |
| 03/30/2011 | CN101995326A Test bed for testing comprehensive performance of LED modules |
| 03/30/2011 | CN101122620B Power supply line |
| 03/24/2011 | US20110071779 Electronic device controller for improving performance of electronic device |
| 03/24/2011 | DE102009029252A1 Mounting device comprises secondary coil, and load connected with secondary coil, where measuring sensor is provided for sensing measured variable, and transmitter is provided for sending data |
| 03/23/2011 | CN101989745A Method for early detection and anticipatory control of consumer-end load shedding in an electrical grid, and apparatus for carrying out the method |
| 03/23/2011 | CN101988943A Power conversion efficiency measurement system and method thereof |
| 03/22/2011 | US7912660 System and method for locating and analyzing arcing phenomena |
| 03/17/2011 | WO2011031430A2 Power measurement techniques of a system-on-chip (soc) |
| 03/17/2011 | US20110066391 Methods and systems for energy prognosis |
| 03/17/2011 | DE102009040284A1 Cosinus(Φ)-Korrektur bei strom- oder leistungsgeregelten Betriebsgeräten für Leuchtmittel Cos (Φ) correction in power or power-regulated ballasts for lamps |
| 03/16/2011 | CN101661057B Device for implementing power measurement based on resistance sampling by linear optocoupler |
| 03/15/2011 | US7908606 Usage metering system |
| 03/10/2011 | WO2011029018A2 Voltage conversion and/or electrical measurements from 400 volts upwards |
| 03/08/2011 | US7904262 Cascading metrology apparatus and methodology |
| 03/08/2011 | US7904261 Method and system for using phasor measurements in state estimation of power systems |
| 03/03/2011 | WO2011024923A1 Magnetic field sensor, as well as magnetic field measurement method, power measurement device, and power measurement method using the same |
| 03/03/2011 | US20110055116 Operationalizing a power usage monitoring system |
| 03/03/2011 | US20110054814 Power meter having multiple ethernet ports |
| 03/01/2011 | US7899630 Metering device with control functionality and method thereof |
| 03/01/2011 | US7899582 Method for calculating availability for line power systems |
| 02/24/2011 | US20110046904 System and method for electric patterns discovery |
| 02/24/2011 | DE202010016329U1 Leistungsmessgerät für elektrische Last jeder Art Power meter for electrical load of any kind |
| 02/23/2011 | CN101981601A Device state detecting device, device state detecting method, device state detecting server, device state detecting system, liver abnormality detecting device, liver abnormality detecting system, liver abnormality detecting method, and device state d |
| 02/22/2011 | US7895017 System to increase SNR of CPV-generated power signal |
| 02/17/2011 | US20110037456 Measuring Transducer for Process Instrumentation, and Method for Monitoring the Condition of the Sensor Thereof |
| 02/17/2011 | DE102009037085A1 Power loss determining method for e.g. lithium ion battery, involves operating energy storage with alternating current, measuring current and voltage at storage, and determining power loss of storage using measured current and voltage |
| 02/16/2011 | EP2283370A1 Individualized self-monitoring system for transformers in power measurement installations and method of self-monitoring and diagnosis of transformers in power measurement installations |
| 02/16/2011 | CN201749162U Power quality monitoring device based on virtual instrument technology |
| 02/16/2011 | CN101976379A Method for assessment and statistics as well as alarm of power factors |
| 02/16/2011 | CN101975900A Superconducting magnet quenching detection system based on active power |
| 02/16/2011 | CN101975887A Electric energy consumption gauge circuit of AC/DC equipment |
| 02/16/2011 | CN101975885A Comprehensive electric energy detector for direct-current power supplies |
| 02/10/2011 | WO2011016621A2 Multi-line power-measuring system which improves efficiency and simplicity |
| 02/10/2011 | US20110035063 Water Management System |
| 02/10/2011 | DE102009048935A1 Busfähiges Steuerungsgerät zur Steuerung mindestens eines Verbrauchers Bus-compatible device controller for controlling at least one load |
| 02/09/2011 | EP2281333A2 Transmission line directional awareness |
| 02/09/2011 | CN201740855U On-line multifunctional monitoring device of generator excited system |
| 02/09/2011 | CN201740813U Electric energy metering and monitoring meter |
| 02/09/2011 | CN201740812U Power measuring circuit in multi-functional check meter |
| 02/09/2011 | CN101971039A System, method, and apparatus for monitoring characteristics of RF power |
| 02/09/2011 | CN101966620A High-speed yaw scanning control device for testing quality of electron beam current |
| 02/09/2011 | CN101526564B Detection device and method for power and standing wave ratio |
| 02/09/2011 | CN101458277B Three phase electric energy measurement apparatus |
| 02/03/2011 | US20110029264 Outside concrete vibrator having an operation display |
| 02/03/2011 | DE102010038557A1 Verfahren und Schaltungsanordnung zur Diagnose einer Halbbrücke Method and circuit for diagnosing a half-bridge |
| 02/02/2011 | CN201732113U Ship electric energy quality detection device |
| 02/02/2011 | CN101965520A Current detector and wattmeter using the same |
| 01/27/2011 | WO2011011289A2 Electrical power system sensor devices, electrical power system monitoring methods, and electrical power system monitoring systems |
| 01/27/2011 | US20110022845 Method and device for issuing a digital residence certificate |
| 01/26/2011 | EP2277055A1 Multi configurable lighting and energy control system and modules |
| 01/26/2011 | CN201724981U Electric energy meter with readable memory data |
| 01/26/2011 | CN201724980U Electric energy metering chip with single-wire two-way serial communication interface |
| 01/26/2011 | CN101957401A Power-distribution electric energy comprehensive measuring apparatus and measuring method thereof |
| 01/26/2011 | CN101957400A Distribution electric energy quality analysis meter and analyzing method |
| 01/26/2011 | CN101957393A Method and device for displaying overall power consumption on display terminal in real time |
| 01/26/2011 | CN101566641B Power system transmission line parameter synchronic measurement and recording device |
| 01/20/2011 | US20110015883 Power integrity analyzer, power integrity analysis method, and program |
| 01/19/2011 | EP2276006A2 Living person anomaly detection system and method |
| 01/19/2011 | EP2276005A2 Apparatus state detector |
| 01/19/2011 | CN101949974A Field tester of alternating current electric energy meter |
| 01/19/2011 | CN101949871A Device for measuring thermal power of nonlinear crystal |
| 01/13/2011 | WO2011005775A1 Metering and control systems and methods to operate the same |
| 01/13/2011 | WO2011004336A1 Electricity meter tampering detection |
| 01/13/2011 | WO2011004048A1 Method and system for measuring traditional reactive power under any operating conditions of three-phase electrical networks |
| 01/13/2011 | US20110010158 Software modeling systems for metering and translating measurements |
| 01/13/2011 | US20110010119 Apparatus for monitoring the maintenance of systems in a nuclear power plant |
| 01/13/2011 | US20110010118 Method and apparatus for monitoring power transmission |
| 01/12/2011 | CN201707387U Detecting device of electric appliance of car seat |
| 01/12/2011 | CN201707379U Automatic detection recorder for submerged arc furnace load |
| 01/12/2011 | CN101943636A Test bench of full automatic valve electric device and test method thereof |
| 01/12/2011 | CN101941387A Vehicle automatic electric energy saving system and method |
| 01/11/2011 | US7870337 Power-aware line intervention for a multiprocessor snoop coherency protocol |
| 01/11/2011 | US7869965 Inferential power monitor without voltage/current transducers |
| 01/06/2011 | WO2010131261A3 Method for validation and introduction of one or more features in electrically powered system |
| 01/06/2011 | US20110004426 System and method for energy monitoring and management using a backplane |