| Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609) |
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| 02/01/2007 | US20070027644 Method of finding a maximum power of a photovoltaic generator |
| 02/01/2007 | US20070027643 Systems and methods for monitoring and storing performance and maintenance data related to an electrical component |
| 02/01/2007 | US20070027642 Method for Calculating Power Flow Solution of a Power Transmission Network that Includes Interline Power Flow Controller (IPFC) |
| 02/01/2007 | US20070024269 Magnetic bridge electric power sensor |
| 02/01/2007 | DE102005036317A1 Electronic switch`s e.g. insulated gate bipolar transistor, thermal power loss determining method for inverter, involves detecting instantaneous value of switch`s parameter, and retrieving value correlated with instantaneous value |
| 01/31/2007 | CN1906494A Dual signal RF power level detector |
| 01/30/2007 | US7171317 Load information display device and circuit breaker |
| 01/25/2007 | US20070021873 Predictive control system and method |
| 01/24/2007 | CN1902500A Energy metering system |
| 01/23/2007 | US7167804 Utility meter having programmable pulse output |
| 01/19/2007 | CA2552824A1 Power load pattern monitoring system |
| 01/17/2007 | EP1027759B1 Load indicator |
| 01/10/2007 | EP1740959A1 System and method for reading power meters |
| 01/10/2007 | CN1893249A Power-supply supplyer with load-power using-state displaying function |
| 01/10/2007 | CN1892234A Electrical measurement device and method for air conditioner |
| 01/10/2007 | CN1294420C On-line microwave power micro mechanical sensor and its producing method |
| 01/09/2007 | US7162379 Electronic power-measurement device with intelligent agent |
| 01/09/2007 | US7162378 Point of play terminal |
| 01/09/2007 | US7162377 Testing and emulating a device's power characteristics |
| 01/04/2007 | WO2007001917A2 Systems and methods for utility meter demand data collection |
| 01/04/2007 | US20070005519 Systems and methods for utility meter demand data collection |
| 01/04/2007 | US20070005277 Automated hierarchy classification in utility monitoring systems |
| 01/04/2007 | US20070005276 Apparatus and method for testing state of charge in battery |
| 01/04/2007 | US20070005275 Automated integration of data in utility monitoring systems |
| 01/04/2007 | CA2612012A1 Systems and methods for utility meter demand data collection |
| 01/03/2007 | EP1738184A1 Power quality monitoring |
| 01/02/2007 | US7158898 Method of calculating effective power relating to capacitor, method of measuring effective power consumed by capacitor, capacitor selection method, calculation apparatus for calculating effective power relating to capacitor, and recording medium storing the calculation program therefor |
| 12/28/2006 | WO2006135995A1 System and method for centralized monitoring of distributed power transformer |
| 12/28/2006 | US20060294032 Fee calculation system for electrical energy consumption of motor drive and method for the same |
| 12/28/2006 | DE10161965B4 Verfahren zum Betreiben eines Brennstoffzellenstapels und Brennstoffzellensystem A method of operating a fuel cell stack and fuel cell system |
| 12/28/2006 | CA2615828A1 System and method for centralized monitoring of distributed power transformers |
| 12/27/2006 | CN2852143Y High voltage signal sampling device adapted to metering, measuring or protection demands |
| 12/27/2006 | CN1292259C Electronic watthour meter and power-associated quantity calculation circuit |
| 12/26/2006 | US7155350 System and method utilizing virtual switching for electrical panel metering |
| 12/21/2006 | WO2006135515A1 System and method for analyzing power flow in semiconductor plasma generation systems |
| 12/21/2006 | WO2006083996A3 Data communication protocol in an automatic meter reading system |
| 12/20/2006 | EP1733243A2 Power line sensors and systems incorporating same |
| 12/14/2006 | WO2006007000A3 Method and apparatus for instrument transformer reclassification |
| 12/12/2006 | US7149636 Method and apparatus for non-obtrusive power profiling |
| 12/07/2006 | WO2006128400A1 Method for transmitting data for controlling an hvdct system |
| 11/30/2006 | WO2006128198A2 System and method for detecting impaired electric power equipment |
| 11/30/2006 | US20060271314 Electrical power metering system |
| 11/30/2006 | US20060271313 Power line communication vegetation management system and method |
| 11/30/2006 | US20060271312 System and method for detecting impaired electric power equipment |
| 11/30/2006 | US20060271244 Methods and apparatus for retrieving energy readings from an energy monitoring device |
| 11/29/2006 | CN1287158C Energy measuring method and device |
| 11/22/2006 | EP1723435A1 Energy meter system and method for calibration |
| 11/16/2006 | US20060259447 Method, apparatus and computer program product for reporting energy consumption |
| 11/15/2006 | CN1862265A Apparatus and method for detecting linear index of power amplifier |
| 11/14/2006 | US7136434 Apparatus and method for detecting energy of tone signal |
| 11/14/2006 | CA2298927C Aparatus and method for reducing oscillator frequency pulling during am modulation |
| 11/14/2006 | CA2264913C Electronic electric meter for networked meter reading |
| 11/09/2006 | US20060253407 Monitoring system for an evaporative credit program |
| 11/09/2006 | DE102005019570A1 Personal computer for determining power consumption, has detecting unit for detecting information of bus coupling units, and processing unit for evaluating power consumption in dependence of detected information |
| 11/08/2006 | CN1858600A Electric energy meter and power monitor system |
| 11/08/2006 | CN1283997C Method for measuring maximum and minimum electrical energy depletion in medium voltage power distribution network |
| 11/07/2006 | US7133787 Method of managing electric power generator, managing device, electric power generator, communications device, computer program therefor, and managing system for electric power generator |
| 11/02/2006 | WO2005029243A3 Wide-area electrical demand and supply management |
| 10/26/2006 | US20060241882 Automated utility meter reading system with variable bandwidth receiver |
| 10/26/2006 | US20060241880 Methods and apparatus for monitoring power flow in a conductor |
| 10/18/2006 | CN1849517A Method and apparatus for measuring impedance of electrical component under high interference conditions |
| 10/17/2006 | US7123994 Power consumption management method |
| 10/12/2006 | US20060230002 Utility usage evaluation system and method |
| 10/12/2006 | US20060229831 Power line parameter analysis method and system |
| 10/11/2006 | EP1710925A2 Multi-band high-frequency circuit |
| 10/11/2006 | EP1710591A1 Magnetic bridge electric power sensor |
| 10/11/2006 | CN2826443Y 微波功率显示器 Microwave power monitor |
| 10/05/2006 | WO2006104527A2 Collecting interval data from a relative time battery powered automated meter reading devices |
| 10/05/2006 | US20060224336 System and method for transmitting power system data over a wide area network |
| 10/05/2006 | US20060224335 Collecting interval data from a relative time battery powered automated meter reading devices |
| 10/05/2006 | CA2602468A1 Collecting interval data from a relative time battery powered automated meter reading devices |
| 10/04/2006 | CN1841073A Electronic controlled electro endosmosis |
| 09/28/2006 | WO2006102006A2 Voltage fault detection and protection |
| 09/28/2006 | US20060218104 Method and apparatus for coupling a meter register to an automatic meter reading communication device |
| 09/28/2006 | US20060217907 Digital dynamic filtering and beat frequency reduction for power monitoring |
| 09/28/2006 | US20060217906 Voltage fault detection and protection |
| 09/28/2006 | US20060217905 Power supply with performance display |
| 09/28/2006 | DE19983488B4 System und Verfahren zur Frequenzkompensation in einer Energiemeßvorrichtung System and method for frequency compensation in a Energiemeßvorrichtung |
| 09/26/2006 | US7113754 High frequency signal power detector |
| 09/21/2006 | US20060212238 Power quality monitoring |
| 09/20/2006 | EP1703289A1 Solar powered radio frequency device within an energy sensor system |
| 09/20/2006 | EP1482617B1 Power generator and system comprising it |
| 09/20/2006 | CN1276263C Electrical utility meter having harmonic data templates for power quality alarm thresholds |
| 09/19/2006 | US7110832 Energy management system for an appliance |
| 09/14/2006 | US20060202674 Method for detecting and correcting wiring errors in power monitoring applications |
| 09/13/2006 | EP1700130A1 Energy metering system |
| 09/13/2006 | CN2816823Y Microwave detecting device base on radiating substrate |
| 09/13/2006 | CN1275044C Indirect heating terminal type microwave power micro-mechanical sensor and preparation method thereof |
| 09/06/2006 | EP1698906A1 Electronic Metering Device Including Automatic Service Sensing |
| 09/05/2006 | US7102556 Method and apparatus for obtaining power computation parameters |
| 08/30/2006 | CN2812018Y 10KV and 35KV triphase electronics high-pressure electric energy meter |
| 08/30/2006 | CN2812017Y Single-phase high-voltage electric energy metering module |
| 08/29/2006 | US7099786 Signaling accommodation |
| 08/29/2006 | US7098646 Radio frequency power generation and power measurement |
| 08/24/2006 | US20060190198 Measurement/acquisition system for electric information |
| 08/23/2006 | EP1692532A1 Method for functional testing of a lamp circuit |
| 08/23/2006 | EP0862746B1 Electronic metering device including automatic service sensing |
| 08/23/2006 | CN1271414C Power detection circuit for use in power amplifier |
| 08/10/2006 | WO2006083325A1 Direct current offset cancellation and phase equalization for power metering devices |
| 08/10/2006 | US20060178847 Apparatus and method for wireless real time measurement and control of soil and turf conditions |