| Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609) |
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| 09/11/2012 | US8265776 Energy monitoring system and method |
| 09/11/2012 | CA2770744A1 System and method for communicating device specific data over an advanced metering infrastructure (ami) network |
| 09/10/2012 | CA2770637A1 Wind power prediction method of single wind turbine generator |
| 09/09/2012 | CA2770671A1 Systems, methods, and apparatuses for determining power usage with a meter |
| 09/05/2012 | EP2495535A1 Wireless monitoring device for electric power grid |
| 09/05/2012 | EP2494368A1 Meter and communications apparatus |
| 09/05/2012 | CN202421479U Multi-parameter test device |
| 09/05/2012 | CN202421324U Basic electric quantity type efficiency data acquisition terminal |
| 09/05/2012 | CN202421323U Automatic testing device for photovoltaic inverter |
| 09/05/2012 | CN102656471A Magnetic field sensor, as well as magnetic field measurement method, power measurement device, and power measurement method using the same |
| 09/05/2012 | CN101966620B High-speed yaw scanning control device for testing quality of electron beam current |
| 08/30/2012 | WO2012115676A1 A set of sensor units for communication enabled for streaming media delivery with monitoring and control of power usage of connected appliances |
| 08/30/2012 | WO2012115049A1 Grid connection protection apparatus |
| 08/30/2012 | US20120221265 Systems and methods for phase identification |
| 08/30/2012 | US20120218114 Roll-lock snap-on current transformer |
| 08/29/2012 | EP2491408A1 Selectable delta or wye voltage configuration for power measurement |
| 08/29/2012 | CN202404152U Energy efficiency measuring instrument for electric devices |
| 08/29/2012 | CN202403920U Comprehensive test system based on hybrid power |
| 08/29/2012 | CN102651150A Carbon emission tracker, carbon emission tracking system and carbon emission tracking method |
| 08/29/2012 | CN102650657A System and method for judging negative damping oscillation and forced oscillation based on second order difference method |
| 08/29/2012 | CN102169001B Pumping flow detection device integrated on water pump main body |
| 08/29/2012 | CN101915872B Nonlinear-load electric energy measuring method |
| 08/28/2012 | US8255090 System and method for home energy monitor and control |
| 08/23/2012 | WO2012110621A1 System and method for verifying the operation of lighting systems |
| 08/23/2012 | WO2012110418A1 Method and system for measuring electrical quantity in electrical network |
| 08/23/2012 | WO2012079151A8 Wireless voltage reference broadcast in a distributed energy metering system |
| 08/23/2012 | US20120214646 Apparatus, system and method for power measurement |
| 08/22/2012 | EP2490031A1 Method and system for measuring an electrical quantity in an electrical network |
| 08/22/2012 | CN102648418A Meter and communications apparatus |
| 08/22/2012 | CN102645579A Four-input micro mechanical cantilever beam thermoelectric microwave power sensor and preparation method |
| 08/22/2012 | CN102175283B Method and system for detecting purifying capacity of electrostatic oil smoke purifier |
| 08/22/2012 | CN101718820B Power distribution transformer monitoring terminal and method for calculating current complex power precision thereof |
| 08/21/2012 | CA2501270C Bias technique for electric utility meter |
| 08/16/2012 | US20120209548 Monitoring occurrence of transmission and distribution grid code event by power consumption device |
| 08/16/2012 | US20120209440 Comparible diagnostics for renewable energy power systems |
| 08/16/2012 | US20120206260 Monitoring occurrence of transmission and distribution grid code event by power consumption device |
| 08/15/2012 | EP2487494A1 Monitoring device for electric power grid |
| 08/15/2012 | EP2486413A1 Electromagnetic measuring device for measuring electric current |
| 08/15/2012 | CN202383204U Novel online power and standing wave detection device of power amplifier |
| 08/15/2012 | CN202383184U Current, electric power and electric energy self-powered and wireless monitoring system |
| 08/15/2012 | CN102640008A Method and device for determining an input voltage on a local network station of a power network |
| 08/15/2012 | CN102636691A Intelligent power meter |
| 08/09/2012 | WO2012105459A1 Power measuring apparatus |
| 08/09/2012 | WO2012105049A1 Power strip and power measurement method |
| 08/09/2012 | US20120203481 Wire manager with current and voltage sensing |
| 08/08/2012 | CN202372543U Multichannel alternating-current electric meter |
| 08/08/2012 | CN101907666B Automatic test system for energy consumption of electrical product and automatic test method thereof |
| 08/07/2012 | US8239147 Test apparatus and manufacturing method |
| 08/02/2012 | WO2012102172A1 Power measuring device, power measuring method, and recording medium |
| 08/02/2012 | US20120197563 Electric power meter |
| 08/02/2012 | US20120197562 Determining Energy Consumption in a Structure |
| 08/02/2012 | US20120197561 Network relay device |
| 08/02/2012 | US20120197560 Signal identification methods and systems |
| 08/02/2012 | DE112010003215T5 Mehrleitungs-Leistungsmesssystem zum Verbessern von Effizienz und Einfachheit Multi-line performance monitoring system to improve the efficiency and simplicity |
| 08/01/2012 | EP2482086A1 Power metering automatic product with communication function |
| 08/01/2012 | CN202362361U Microwave power sensor having terminal filled with heat-conducting medium and based on MEMS technique |
| 08/01/2012 | CN202362350U Combined type electricity meter for measuring current, voltage and power factor |
| 08/01/2012 | CN102625916A Electrical power system sensor devices, electrical power system monitoring methods, and electrical power system monitoring systems |
| 08/01/2012 | CN102621379A Measuring Apparatus |
| 07/31/2012 | US8234086 Detection of multiple powered devices connected to an inline power delivery channel |
| 07/31/2012 | US8234017 Electronic smart meter enabling demand response and method for demand response |
| 07/26/2012 | WO2012098698A1 Power strip and electrical power measurement system |
| 07/26/2012 | WO2012098665A1 Power strip and electrical power measurement system |
| 07/26/2012 | WO2012017068A3 Recording a feed energy amount of a photovoltaic system that was possible but not in fact fed |
| 07/26/2012 | US20120191600 Method and system for payment of charges associated with charging an electric vehicle |
| 07/26/2012 | US20120191387 Information processing device, power consumption calculating system and program product |
| 07/26/2012 | DE10164124B4 Elektrisches Hochspannungsnetz High-voltage electric power |
| 07/25/2012 | CN202351321U Fuse-free electric meter with monitoring effect |
| 07/25/2012 | CN102611120A Power factor monitoring and compensating system |
| 07/25/2012 | CN102608414A Embedded electric energy measuring method and application extension method of high voltage electrical switchgear |
| 07/25/2012 | CN102608413A Method and device for detecting maximum power point of photovoltaic power generation |
| 07/25/2012 | CN102608412A Inverse soft meter of doubly-fed wind generator |
| 07/25/2012 | CN102608411A Radiofrequency power detection method |
| 07/24/2012 | US8229708 Methods and apparatus for signal and interference energy estimation in a communication system |
| 07/19/2012 | US20120185710 Determining and optimizing energy consumption of computer systems |
| 07/19/2012 | US20120182006 Advanced metering infrastructure (ami) cartridge for an energy meter |
| 07/18/2012 | CN102597788A Power consumption measurement system, wall socket device, control device, measuring device, and power consumption measuring method |
| 07/18/2012 | CN102590610A Intelligent integral multifunctional electric energy meter and method for controlling load by same |
| 07/18/2012 | CN102590609A Mobile terminal and method for measuring power consumption of mobile terminal |
| 07/18/2012 | CN101614767B Power-measuring device |
| 07/12/2012 | WO2012094373A1 Method and system for energy efficiency and sustainability management |
| 07/12/2012 | US20120179397 Utility monitoring system |
| 07/12/2012 | US20120179396 Systems, methods, and apparatus for powering an ami communication board |
| 07/12/2012 | US20120179395 Information Display System And Method |
| 07/12/2012 | US20120179302 Methods and Apparatus for Controlling Loads Coupled to an Electrical Grid |
| 07/12/2012 | US20120179301 System and method for power grid management |
| 07/12/2012 | CA2823554A1 Method and system for energy efficiency and sustainability management |
| 07/12/2012 | CA2763885A1 Systems, methods, and apparatus for powering an ami communication board |
| 07/11/2012 | EP2474206A2 Cosine (phi) correction in current- or power-controlled operating devices for lighting devices |
| 07/11/2012 | CN202330662U 远程功率相关数据采集柜 Remote power-related data collection cabinet |
| 07/11/2012 | CN202330589U 高精度多模式低压负荷功率特性记录仪 Multi-mode high-precision low-voltage load power characteristics logger |
| 07/11/2012 | CN202330547U 一种高压电机试验功率检测系统 A high voltage electrical power detection system test |
| 07/11/2012 | CN202330546U 便携式电能测量降压装置 Portable power measuring blood pressure device |
| 07/11/2012 | CN202330545U 一种直交牵引变流器纯电感负载功率考核系统 One kind of orthogonal traction converters purely inductive load power appraisal system |
| 07/11/2012 | CN202330488U 光伏电功计量表 Solar electric power meter |
| 07/11/2012 | CN102571225A Radio frequency power self-test device and test method |
| 07/11/2012 | CN102571092A Analog-to-digital conversion (ADC) circuit of electric energy metering chip suitable for zero offset input |
| 07/11/2012 | CN102570842A Combined power and timing signals for equipment |
| 07/11/2012 | CN102565527A Power meter arrangement |
| 07/11/2012 | CN102565526A System for detecting test power of high voltage motor |