Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609) |
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01/06/2011 | US20110004425 State and topology processor |
01/06/2011 | US20110004421 Method of inference of appliance usage. data processing apparatus and/or computer software |
01/05/2011 | EP2269081A1 Detector device |
01/05/2011 | CN201699480U Low-voltage distribution box control device and low-voltage distribution box combined system |
01/05/2011 | CN201699388U Domestic electricity real-time monitoring and protection device |
01/05/2011 | CN201698000U Automatic testing system of radio-frequency power amplifier based on mixed bus |
01/05/2011 | CN201697985U Intelligent safety detector for three-phase equipment |
01/05/2011 | CN201697980U Measuring display device for saving energy by electric appliances |
01/05/2011 | CN201697959U Industrial electric energy network node sensor |
01/05/2011 | CN101939654A Method and device for measuring the electric power of a universal electric motor powered by sinusoidal alternating voltage |
01/05/2011 | CN101006348B Power quality monitory |
12/30/2010 | US20100332164 Communication device for household electric appliances and monitoring system using said device |
12/30/2010 | US20100327849 Sensor apparatus systems, devices and methods |
12/29/2010 | WO2010149450A1 Determination of amounts of energy drawn |
12/29/2010 | WO2010131264A3 Method and system for revenue generation using energy system |
12/29/2010 | EP2267466A1 Apparatus for measuring the voltage and current generated by photovoltaic panels |
12/29/2010 | CN201689964U Adjustable coupler for directional radio-frequency power meter |
12/29/2010 | CN101933019A Electrical efficiency measurement for data centers |
12/29/2010 | CN101930227A State detection and energy-saving control system for electric equipment and control method thereof |
12/29/2010 | CN101930054A Portable motor parameter-detecting device |
12/29/2010 | CN101930026A Electronic device with power loss detection function |
12/29/2010 | CN101930025A Power dissipation testing device |
12/23/2010 | WO2010106253A4 Method and device for filtering electrical consumption curves and allocating consumption to categories of appliances |
12/23/2010 | WO2010019468A3 Power factor correction using hierarchical context of a power monitoring system |
12/23/2010 | US20100324845 Intelligent electronic device with enhanced power quality monitoring and communication capabilities |
12/23/2010 | US20100324843 Method and Device for Measuring the Electric Power of a Universal Electric Motor Powered by Sinusoidal Alternating Voltage |
12/23/2010 | US20100324842 Method and apparatus for detecting possible correlations between signal patterns |
12/22/2010 | EP2264828A1 Microwave ablation antenna radiation detector |
12/22/2010 | EP2264680A1 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 database maintaining server |
12/22/2010 | EP2263095A2 Mobile intelligent metering and charging system for charging uniquely identifiable chargable vehicle destinations and method for employing same |
12/22/2010 | CN201681121U Through power meter adopting L&C circuit to realize broadband power compensation |
12/22/2010 | CN101925826A Power measuring system, measuring apparatus, load terminal, and device control system |
12/22/2010 | CN101924364A Method for estimating nonlinear state of substation-dispatching center two-stage distributed power grid |
12/22/2010 | CN101477147B Circuit for detecting radio frequency power |
12/22/2010 | CN101027568B Dynamic line rating system with real-time tracking of conductor creep to establish the maximum allowable conductor loading as limited by clearance |
12/16/2010 | US20100318306 Capacitive voltage sensor |
12/16/2010 | US20100318235 System for monitoring energy consumption of an electrical appliance |
12/15/2010 | EP2262105A2 Voltage standing wave ratio detector for power amplifier |
12/15/2010 | EP2260310A2 A method of inference of appliance usage. data processing apparatus and/or computer software |
12/15/2010 | EP2260270A1 Method and system for energy consumption monitoring in an ict environment |
12/15/2010 | CN201674712U Electronic ballast integrating power detection and acoustic resonance inhibition of HID lamp |
12/15/2010 | CN101915872A Nonlinear-load electric energy measuring method |
12/15/2010 | CN101915871A MEMS (Micro Electronic Mechanical System) clamped beam type online microwave power sensor and production method thereof |
12/15/2010 | CN101915870A MEMS (Micro Electronic Mechanical System) cantilever beam type online microwave power sensor and production method thereof |
12/14/2010 | US7853417 Methods and system for utility network outage detection |
12/09/2010 | WO2010139102A1 Energy-saving control device, power connector and switchgear having the same |
12/09/2010 | WO2010082808A4 System for the remote control and management of electric power |
12/08/2010 | EP2257767A2 A power measurement system, method and/or units |
12/08/2010 | CN201666918U Electric energy meter of intelligent transformer substation |
12/08/2010 | CN101910848A Power sensor |
12/08/2010 | CN101907666A Automatic test system for energy consumption of electrical product and automatic test method thereof |
12/08/2010 | CN101907663A On-line monitoring system for transformer substation |
12/08/2010 | CN101907648A Electric energy quality online monitoring device |
12/08/2010 | CN101907647A Distribution transformer monitoring and metering terminal |
12/08/2010 | CN101581740B Method for automatically allocating instruments for testing power, voltage withstanding and grounding |
12/08/2010 | CN101271132B Independent bound attrition pricing method |
12/08/2010 | CN101194455B Method for transmitting data for controlling an HVDCT system |
12/07/2010 | US7848902 Method and apparatus for monitoring a thermal management system of an electro-mechanical transmission |
12/07/2010 | US7847690 System and method for detecting tampering of a utility meter |
12/02/2010 | WO2010138672A1 Calculating utility consumption of at least one unit of a building |
12/02/2010 | US20100305891 Methods for reading data in a utility meter |
12/02/2010 | US20100305890 System and method for evaluating power usage |
12/02/2010 | US20100305889 Non-intrusive appliance load identification using cascaded cognitive learning |
12/02/2010 | US20100305888 Method and Device for Determining Load Flow in an Electrical Power Supply System |
12/02/2010 | US20100305887 Voltage monitoring in an advanced metering infrastructure |
12/02/2010 | US20100301834 Low-Cost Power Measurement Circuit |
12/01/2010 | CN201663358U Intelligent energy consumption monitoring type three-phase distribution cabinet |
11/30/2010 | US7844837 Electronic device and timer therefor with tamper event time stamp features and related methods |
11/25/2010 | US20100299118 Detecting Anomalies In A Sensor Networked Environment |
11/25/2010 | US20100295539 Electronic circuit device for sensing a detection element current and/or a temperature in said detection element |
11/24/2010 | CN201656489U Multifunctional electrical distribution monitoring and reactive compensation controlling analysis system |
11/24/2010 | CN201654127U Versatile electric energy measuring instrument |
11/24/2010 | CN201654122U Mobile-type base-wave/harmonic-wave load measurement measuring device |
11/24/2010 | CN201654121U Automatic measuring device of practical refrigeration power for refrigerator |
11/24/2010 | CN201654120U Power output detection circuit and power control circuit |
11/24/2010 | CN201654119U Heating loss detector for diamond synthesis pressing machine |
11/24/2010 | CN201654106U Multiple-group electric-power measurement transmission device with full-time and multiplex time-sharing measurement |
11/23/2010 | US7840383 Operationalizing a power usage monitoring system |
11/18/2010 | WO2010129991A1 Meter and communications apparatus |
11/18/2010 | WO2010106253A3 Method and device for filtering electrical consumption curves and allocating consumption to categories of appliances |
11/18/2010 | US20100292857 Electrical network command and control system and method of operation |
11/17/2010 | CN201637803U Portable failure data recorder |
11/17/2010 | CN201637778U Power factor sampling and compensating device |
11/11/2010 | WO2010127703A1 Electronic apparatus with means for controlling the power consumption and corresponding method |
11/11/2010 | US20100287012 Method and system for measuring carbon dioxide reduction |
11/11/2010 | US20100286937 Building energy consumption analysis system |
11/11/2010 | US20100286935 Methods for Extrapolating an Energy Measurement |
11/11/2010 | US20100286838 Islanding detection in an electrical power delivery system |
11/10/2010 | CN101881795A Navigation system and method |
11/10/2010 | CN101275976B Hot-wire anemometer calibration apparatus and method in acoustic field |
11/10/2010 | CN101252281B Method and system for testing electric voltage reactive-load integrated control functions |
11/10/2010 | CN101126781B USB apparatus power consumption test device |
11/09/2010 | US7831525 Automated energy transfer calculation and compensation |
11/09/2010 | CA2406444C Apparatus and method for the measurement and monitoring of electrical power generation and transmission |
11/04/2010 | WO2010126610A1 Awarding standings to a vehicle based upon one or more fuel utilization characteristics |
11/04/2010 | US20100280774 Monitoring power-related parameters in a power distribution unit |
11/04/2010 | US20100277843 High-frequency power supply system |
11/03/2010 | CN201622304U Standby energy consumption test instrument |
11/02/2010 | US7826988 Method and apparatus for determining a characteristic curve for an electric variable of a wind energy plant |
10/28/2010 | US20100274404 Process and methodology to collect, analyze, and signal real-time electron sources of an electrical grid |