| Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609) |
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| 06/16/2011 | US20110140686 Thermal extension structures for monitoring bus bar terminations |
| 06/16/2011 | CA2783295A1 Magneto optical current transducer with improved outage performance |
| 06/15/2011 | EP2331976A1 Method and apparatus for evaluating energy savings |
| 06/15/2011 | CN102095925A Electronic reactive power meter based on Walsh transformation algorithm |
| 06/14/2011 | US7962248 Methods, systems, circuits, and computer program products for reducing peak electrical demand by shifting activation of electrical appliances |
| 06/09/2011 | WO2011068908A1 A method and apparatus for automation of a programmable device |
| 06/09/2011 | WO2011068833A1 Power management states |
| 06/09/2011 | US20110137592 Method and apparatus for providing estimated power consumption information of content |
| 06/09/2011 | US20110137485 System for emergency power supply in case of power grid failure |
| 06/09/2011 | CA2781020A1 A method and apparatus for automation of a programmable device |
| 06/08/2011 | CN1906494B Dual signal RF power level detector |
| 06/07/2011 | CA2340879C Methods and apparatus for updating firmware in an electronic electricity meter |
| 06/03/2011 | WO2011065497A1 Power consumption measurement system, wall socket device, control device, measuring device, and power consumption measuring method |
| 06/03/2011 | WO2011037683A3 Systems and methods for attributing an amount of power consumption to a workload |
| 06/02/2011 | US20110130982 Monitoring System for Power Grid Distributed Power Generation Devices |
| 06/02/2011 | US20110130978 FILTERING TECHNIQUES TO REMOVE NOISE FROM A PERIODIC SIGNAL AND Irms CALCULATIONS |
| 06/01/2011 | CN201852889U Movable detecting platform for large and medium sized photovoltaic power stations |
| 06/01/2011 | CN201852884U Single-phase intelligent electric energy meter with carrier meter reading module |
| 06/01/2011 | CN201852883U Transformer core detection device |
| 06/01/2011 | CN102081117A Pumping unit power hand-held test instrument and application method thereof |
| 05/31/2011 | US7953565 System and method for providing universal additional functionality for power meters |
| 05/31/2011 | US7953519 Energy usage monitoring and balancing method and system |
| 05/31/2011 | US7953518 Energy cost reduction and ad delivery |
| 05/31/2011 | US7951498 Method and apparatus for controlling an integrated fuel cell system |
| 05/26/2011 | US20110125703 Method and system for recognizing power consumption behaviors of electric appliances in a loop |
| 05/26/2011 | US20110125432 Remote monitoring of device operation by tracking its power consumption |
| 05/26/2011 | US20110125422 Method and device for measuring and monitoring |
| 05/26/2011 | US20110125337 Household appliance adapted to work with time of use electricity rates |
| 05/25/2011 | CN102077098A High density metering system |
| 05/25/2011 | CN102074855A Zigbee technology-based wireless intelligent socket for monitoring fine grit electric quantity |
| 05/25/2011 | CN102072976A Method and system for identifying electrical appliance state |
| 05/25/2011 | CN101405675B Method and apparatus for changing power class for a powered device |
| 05/24/2011 | US7949499 Filtering techniques to remove noise from a periodic signal and Irms calculations |
| 05/24/2011 | US7949483 Integration of intelligent motor with power management device |
| 05/19/2011 | US20110119042 Weather-related energy-usage analysis |
| 05/19/2011 | US20110119001 Transmitter power monitor |
| 05/19/2011 | US20110115641 Three-phase multifunction verifier |
| 05/18/2011 | EP2321710A2 Power factor correction using hierarchical context of a power monitoring system |
| 05/18/2011 | EP2321657A2 Improvements in virtual metering |
| 05/18/2011 | CN201837675U Detection and analysis system for losses of low-voltage platform area |
| 05/18/2011 | CN102064436A Electrical equipment energy-consumption monitoring power wire integrating wireless network communication function |
| 05/18/2011 | CN102062813A Single-phase intelligent watt-hour meter with carrier meter reading module |
| 05/18/2011 | CN102062812A Single-phase intelligent electrical energy meter with wireless meter reading module |
| 05/18/2011 | CN102062811A Single-phase static watt-hour meter with wireless meter reading module |
| 05/17/2011 | US7945401 Distributed intelligent remote terminal units |
| 05/12/2011 | US20110112780 Electrical power consumption measuring system |
| 05/12/2011 | US20110112779 Power quality meter and method of waveform anaylsis and compression |
| 05/12/2011 | US20110112701 Power-using device monitor |
| 05/12/2011 | US20110109301 Device And Method For Measuring Current And Power In A Plug Or Receptacle |
| 05/11/2011 | CN201828608U 三相智能电能表 Three-phase smart meter |
| 05/11/2011 | CN201828606U Multi-channel power meter |
| 05/11/2011 | CN102055353A Three-switch double-capacitor three-phase alternating current (AC)-direct current (DC) converter with high power factor |
| 05/11/2011 | CN102055352A Three-phase AC-DC (alternating current-direct current) converter having three-switch, single-capacitor and high power factor |
| 05/05/2011 | US20110106471 Method and System for Disaggregating Heating and Cooling Energy Use From Other Building Energy Use |
| 05/05/2011 | US20110101777 Systems and methods for optimizing power loads in a power distribution unit |
| 05/04/2011 | CN201819970U Automatic testing system for power amplifier |
| 05/04/2011 | CN201819343U Air conditioner with standby power detection and display functions |
| 05/04/2011 | CN102044717A Maximum charge-discharge power control method of lithium-ion battery pack |
| 05/04/2011 | CN102043085A Ultrahigh voltage power grid and current on-load detector |
| 05/04/2011 | CN101477163B Method for monitoring electric consumption |
| 04/28/2011 | WO2011050013A2 Networked device with power usage estimation |
| 04/28/2011 | WO2011049895A1 Power channel monitor for a multicore processor |
| 04/28/2011 | WO2011049307A2 Method for performing an asynchronous command in a remote meter-reading system |
| 04/28/2011 | WO2011048460A1 Selectable delta or wye voltage configuration for power measurement |
| 04/28/2011 | WO2011011289A3 Electrical power system sensor devices, electrical power system monitoring methods, and electrical power system monitoring systems |
| 04/28/2011 | US20110098954 Feedback Mechanism for Scanner |
| 04/28/2011 | US20110098953 Networked Device with Power Usage Estimation |
| 04/28/2011 | US20110098952 High density metering system |
| 04/28/2011 | US20110098867 Automated load assessment device and mehtod |
| 04/28/2011 | US20110095801 Method for controlling the dynamic power signature of a circuit |
| 04/28/2011 | CA2777413A1 Selectable delta or wye voltage configuration for power measurement |
| 04/27/2011 | EP2313789A1 True root-mean-square detection with a sub-threshold transistor bridge circuit |
| 04/27/2011 | CN201813457U CRT (Cathode Ray Tube) television capable of measuring power of whole machine |
| 04/27/2011 | CN201811992U Radio frequency power tester |
| 04/27/2011 | CN201811991U Large air compressor power supply electricity quality monitoring and analysis system |
| 04/27/2011 | CN102037367A RMS detector with automatic gain control |
| 04/27/2011 | CN102034343A Data reporting method of power utilization information acquisition terminal based on random value |
| 04/27/2011 | CN101526816B Indication method of unit production electricity consumption of electric system for cement plants |
| 04/26/2011 | US7933724 Method of tracking the performance of an industrial appliance |
| 04/21/2011 | US20110093223 Battery state-of-charge management method |
| 04/21/2011 | US20110093222 Power cycling test apparatus |
| 04/21/2011 | US20110089934 Selectable delta or wye voltage configuration for power measurement |
| 04/21/2011 | DE102009049434A1 Sensor for detecting e.g. active consumption, of four-wire supply system, has measuring unit detecting digital measuring values, where sensor digitally signs digital measuring values with time and logbook function |
| 04/21/2011 | DE102009048691A1 Gleichstrommessstelle zum Auffinden defekter PV-Module in einer PV-Anlage DC measuring point for finding defective PV modules in a PV system |
| 04/21/2011 | DE102009045783A1 Verfahren zur präzisen Leistungsvorhersage für Batteriepacks Method for accurate performance prediction for battery packs |
| 04/21/2011 | DE102009008530B4 Heizgerät mit einem schmiegsamen elektrischen Wärmeteil Heater with a supple electrical heat part |
| 04/20/2011 | CN201804054U Failure detection system for alternating-current switch machine |
| 04/20/2011 | CN201804043U Synthetic electric energy detection instrument for DC electric power |
| 04/20/2011 | CN102027383A System and methods for metering and analyzing energy consumption of events within a portable device |
| 04/20/2011 | CN102023256A Power measurement techniques of a system-on-chip (soc) |
| 04/20/2011 | CN101650240B Detecting and analyzing apparatus for power efficiency of electric fork truck |
| 04/20/2011 | CN101034947B Mobile phone thimble-type RF calibration clamp |
| 04/19/2011 | US7930129 Uniform power density across processor cores at burn-in |
| 04/19/2011 | US7930070 System, method, and module capable of curtailing energy production within congestive grid operating environments |
| 04/14/2011 | WO2011016621A3 Multi-line power-measuring system which improves efficiency and simplicity |
| 04/13/2011 | CN201796082U Intelligent device for measuring current, voltage and power |
| 04/13/2011 | CN102012456A Reactive power measurement method |
| 04/12/2011 | US7925899 Method, system, and apparatus for runtime power estimation |
| 04/12/2011 | US7925873 Method and apparatus for controlling operating parameters in a computer system |
| 04/12/2011 | US7924021 Procedure for testing the function of a lamp circuit |