| Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609) |
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| 06/05/2008 | US20080133155 Method and apparatus to generate circuit energy models with multiple clock gating inputs |
| 06/04/2008 | EP1568044B1 Power converter circuitry and method |
| 06/04/2008 | CN201069857Y Offline detection device for passive automatic compensation electric-controlled device |
| 06/04/2008 | CN201069453Y Multi-channel power detection display device |
| 06/04/2008 | CN101194455A Method for transmitting data for controlling an hvdct system |
| 06/03/2008 | US7383138 Semiconductor device |
| 06/03/2008 | US7383137 Method and apparatus for measuring absolute and net power consumption for computer systems |
| 05/29/2008 | US20080125986 System and method for compensating for potential and current transformers in energy meters |
| 05/29/2008 | US20080125985 Method and system for estimating power consumption of integrated circuitry |
| 05/22/2008 | WO2008059528A2 A prepaid smart card operated electronic energy meter with online load optimizer for solar power application |
| 05/22/2008 | US20080120048 Protection device and a method that detect electricity |
| 05/21/2008 | EP1922552A2 Directional power detection by quadrature sampling |
| 05/21/2008 | CN101183485A Distribution transformer automatic gauging device |
| 05/21/2008 | CN101183138A Batch detector methods and apparatus of power amplifier |
| 05/15/2008 | WO2008055507A1 Electricity meter with switch mode voltage supply |
| 05/15/2008 | US20080112102 Sampling frequency control method and protective relay |
| 05/14/2008 | CN201061124Y Intelligent terminal system of oil well |
| 05/14/2008 | CN201061029Y Socket capable of display electric energy |
| 05/14/2008 | CN100388320C Electronic electricity meter |
| 05/14/2008 | CN100387995C Multifunctional AC parameter measuring instrument and its measuring method |
| 05/08/2008 | US20080106146 Management System for In-House Power Quantity Consumed |
| 05/08/2008 | DE10255665B4 Schaltung und Verfahren zur Bestimmung wenigstens eines Spannungs-, Strom- und/oder Leistungswerts einer integrierten Schaltung Circuit and method for determining at least one of voltage, current and / or power value of an integrated circuit |
| 05/08/2008 | DE102007047009A1 High frequency power sensor, has switches switching high frequency signal among amplified, intermediate and damped paths, and detector measuring heat produced by signal, where each path has preset range of power levels |
| 05/07/2008 | CN100386641C Testing method for gain compression point output power of amplifier |
| 05/02/2008 | CA2667825A1 Apparatus and method for mapping a wired network |
| 05/02/2008 | CA2667236A1 Electrical power system control communications network |
| 04/24/2008 | WO2008048154A1 Radio frequency handling device |
| 04/24/2008 | WO2008047428A1 Electronic watthour meter |
| 04/24/2008 | US20080097708 System and method utilizing virtual switching for electrical panel metering |
| 04/24/2008 | US20080097707 VA metering in polyphase systems |
| 04/23/2008 | EP1913407A1 Measurement of dissipated power |
| 04/22/2008 | US7363523 Method and apparatus for controlling power management state transitions |
| 04/17/2008 | WO2008043415A1 Optimisation of use or provision of a resource or service |
| 04/17/2008 | US20080091626 Systems, methods and financial instruments for renewable energy consumer premises equipment financing |
| 04/17/2008 | US20080091625 Billing and payment methods and systems enabling consumer premises equipment |
| 04/15/2008 | US7359809 Electricity metering with a current transformer |
| 04/10/2008 | WO2008042361A1 Integrated energy metering system |
| 04/09/2008 | EP1358494B1 Electrical energy saving method |
| 04/03/2008 | WO2008015622A3 Abrasive compacts |
| 04/03/2008 | WO2007146053A3 Electrical power metering system |
| 04/03/2008 | US20080082276 System for power sub-metering |
| 04/03/2008 | CA2576493A1 Vehicle equipped for providing solar electric power for off-vehicle use and systems in support thereof |
| 04/02/2008 | CN101153882A Method and device for electric power measurement by using hall device |
| 03/28/2008 | CA2604662A1 External access to meter display |
| 03/27/2008 | WO2008036303A2 Wide-area protection and control using power system data having an associated time component |
| 03/27/2008 | CA2663609A1 An apparatus, method, and system for wide-area protection and control using power system data having a time component associated therewith |
| 03/26/2008 | EP1902502A1 System and method for centralized monitoring of distributed power transformer |
| 03/26/2008 | CN100376897C High voltage signal sampling method capable of adapting metering measuring or protection requirement |
| 03/20/2008 | US20080071486 Semiconductor device with its test time reduced and a test method therefor |
| 03/20/2008 | US20080071482 apparatus, method, and system for wide-area protection and control using power system data having a time component associated therewith |
| 03/20/2008 | US20080068031 Micromechanical Microwave Power Meter |
| 03/20/2008 | US20080068006 Electronic revenue meter with automatic service sensing |
| 03/20/2008 | US20080068005 Electronic revenue meter with automatic service sensing |
| 03/20/2008 | US20080068004 Electronic revenue meter with automatic service sensing |
| 03/20/2008 | CA2663067A1 Distributing metering responses for load balancing an amr network |
| 03/19/2008 | EP1899736A2 Systems and methods for utility meter demand data collection |
| 03/19/2008 | CN101144839A Safe monitoring method facing high power contact and its device |
| 03/18/2008 | US7346462 System, method, and article of manufacture for determining parameter values associated with an electrical grid |
| 03/13/2008 | US20080065570 System and method for reporting telecommunications utilization and forecasting |
| 03/13/2008 | US20080065335 Method and apparatus for legacy comparison |
| 03/13/2008 | US20080061791 Procedure for Testing the Function of a Lamp Circuit |
| 03/12/2008 | CN201035096Y Hand-hold microwave wattmeter |
| 03/12/2008 | CN201035062Y Intelligent electric voltage automatic switchover device |
| 03/12/2008 | CN101140303A Single-phase electro-dynamometer and N phase electro-dynamometer |
| 03/11/2008 | US7343255 Dual source real time clock synchronization system and method |
| 03/11/2008 | US7342507 Revenue meter with power quality features |
| 03/06/2008 | WO2007131187A3 Rf power sensor with chopping amplifier |
| 03/06/2008 | US20080059088 Method and system for state estimation in power systems |
| 03/06/2008 | US20080054878 Image forming apparatus with plural ac sources |
| 03/06/2008 | CA2661999A1 Orchestration manager |
| 03/05/2008 | CN101135707A Analysis method for electrical characteristic of parallel connection and parallel-serial connected piezoelectric voltage transformer |
| 03/04/2008 | US7339805 Power supply having voltage blocking clamp |
| 02/28/2008 | WO2008024079A1 Utility vending system and method |
| 02/28/2008 | US20080052253 System and method for message-bus-based advanced meter information system |
| 02/28/2008 | US20080052018 Power source tester |
| 02/28/2008 | US20080052017 Home Energy Use Indicator |
| 02/28/2008 | DE102006040710A1 Grid load-profile estimation method, involves setting of instantaneous grid load for measuring progress of amplitude of voltage harmonic in proportion in grid, where progress of voltage harmonic is used at connecting point of load |
| 02/27/2008 | CN101131407A Microelectron-mechanical reconfigurable broad band microwave power detector and method of manufacturing the same |
| 02/26/2008 | US7337433 System and method for power profiling of tasks |
| 02/26/2008 | US7337081 Metering device with control functionality and method thereof |
| 02/26/2008 | US7337080 Method and apparatus for instrument transformer reclassification |
| 02/21/2008 | US20080046388 Multi-utility energy control and facility automation control system with dashboard having a plurality of interface gateways |
| 02/21/2008 | US20080046205 Intelligent electronic device having network access |
| 02/21/2008 | DE102006038341A1 Dosiersystem zur gesteuerten Freisetzung von Aktivsubstanzen Metering system for the controlled release of active substances |
| 02/20/2008 | EP1889279A1 System and method for analyzing power flow in semiconductor plasma generation systems |
| 02/20/2008 | EP1200925B1 System and method for frequency compensation in an energy meter |
| 02/20/2008 | CN101126781A USB apparatus power consumption test device |
| 02/20/2008 | CN100370674C Power generator and system comprising it |
| 02/19/2008 | US7333901 Transmitter system |
| 02/13/2008 | CN101122620A Power supply line |
| 02/12/2008 | US7330022 Power monitoring system |
| 02/07/2008 | US20080033670 System and method for detecting a device requiring power |
| 02/07/2008 | CA2658298A1 Abrasive compacts |
| 02/07/2008 | CA2657635A1 System and method for locating and analyzing arcing phenomena |
| 02/06/2008 | CN201017012Y Load power indicator |
| 02/06/2008 | CN101118265A Process for real time recognizing voltage stability of electrified wire netting trough recognizing weak links of electric network |
| 01/31/2008 | WO2008013087A1 Standing wave measuring unit in waveguide and standing wave measuring method, electromagnetic wave using device, plasma processing device, and plasma processing method |
| 01/31/2008 | US20080027664 Architectural Level Throughput Based Power Modeling Methodology and Apparatus for Pervasively Clock-Gated Processor Cores |
| 01/25/2008 | CA2596624A1 Device for measuring electrical energy supplied to a railway traction apparatus |
| 01/24/2008 | WO2008011618A2 A method of configuring intelligent electronic devices to facilitate standardized communication messages among a plurality of ieds within a network |