| Patents for G01R 22 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters (4,127) |
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| 03/11/2009 | CN201207058Y Modularized electric energy measuring device |
| 03/11/2009 | CN101383589A High voltage frequency converting speed regulating system having remote monitoring and saved energy metering |
| 03/04/2009 | CN201204386Y Electric energy meter with data telemetering communication function capable of avoiding fraudulent use of electricity |
| 03/04/2009 | CN201203639Y Wireless communication three-phase electric energy metering monitoring instrument |
| 02/26/2009 | DE102004034858B4 Verteilerschrank mit Zählerplatz Distribution cabinet with counter space |
| 02/19/2009 | US20090045804 Cognitive electric power meter |
| 02/19/2009 | DE102007041675A1 Network i.e. Ethernet system, for use in company, has terminals uncoupled by mains voltage, where each terminal is associated with measuring system for measurement of energy consumption |
| 02/19/2009 | DE102007037058A1 Current transformer module for energy and power measuring device, has housing and wire, which is linearly guided from free end through entry point and from another free end through exit point |
| 02/18/2009 | CN100462725C Electric power meter |
| 02/17/2009 | CA2502944C Automated alarm setpoint learning in an electrical meter |
| 02/17/2009 | CA2491399C Electrical-energy meter |
| 02/11/2009 | EP2021737A1 Method and apparatus for monitoring a building |
| 02/10/2009 | CA2353929C Utility metering system having waveform capture for power quality monitoring |
| 02/04/2009 | CN201191306Y High precision electrical energy meter adopting frequency tracking sampling circuit |
| 02/04/2009 | CN201191305Y Power use management circuit having self-checking function |
| 02/04/2009 | CN201191304Y Electrical energy meter of ultra-wide metering range |
| 02/04/2009 | CN201191301Y Single-phase multi-rate active electric energy meter |
| 02/04/2009 | CN101359006A Intelligent power utilization monitoring device |
| 02/04/2009 | CN100458452C Number frequency converter circuit in electric energy measurement chip |
| 01/28/2009 | CN201188118Y Whole electronic type intelligent electric meter |
| 01/22/2009 | WO2009010617A1 System for control of electric energy consumption in user installations |
| 01/21/2009 | CN201184892Y Composite transformation ratio automatic transition electric force measuring box/cabinet |
| 01/21/2009 | CN100454025C Electric energy meter and power monitor system |
| 01/15/2009 | DE102007036687A1 Consumption data reading out system, has communication device designed in such manner that it sends data sent by optical character recognition modules over local data channel to reading position of supplier via supplier data channel |
| 01/14/2009 | CN201181496Y Control device cooperated with plug-in type watt-hour meter |
| 01/14/2009 | CN201181316Y Ultra-low power consumption full-decompression measuring apparatus |
| 01/14/2009 | CN201181315Y Single-phase anti-electricity theft electric energy meter |
| 01/08/2009 | WO2009004943A1 Method of calculating electric power consumption saving effect in energy-saving drive support method, energy-saving drive support system, and calculation program for electric power consumption saving effect |
| 01/08/2009 | WO2008094551A3 Methods and system for utility network outage detection |
| 01/08/2009 | US20090012916 Energy optimization system and method |
| 01/08/2009 | US20090012728 System and Method for Multi-Rate Concurrent Waveform Capture and Storage for Power Quality Metering |
| 01/07/2009 | EP1218821B1 Improved memory integrity for meters |
| 01/07/2009 | CN201177643Y Electrical energy meter of digital transforming plant |
| 01/07/2009 | CN101339644A Method of calculating electric power consumption saving effect in energy-saving drive support method and system |
| 01/06/2009 | US7474088 Power monitoring system |
| 12/31/2008 | CN201173949Y Three phase electrical energy meter based on NIOS ómicroprocessor |
| 12/31/2008 | CN201173948Y Energy capacity feedback electric energy detection device |
| 12/31/2008 | CN100447749C Method of using flash memory for storing metering data |
| 12/30/2008 | CA2396448C Method and apparatus for determining the internal impedance of a distribution transformer and sensing dc current through an ac power meter |
| 12/24/2008 | DE202008011291U1 Energieverbrauchs-Messgerät für kWh und oder m3 mit Vorwarnung vor Tarifüberschreitung speziell zum Energiesparen in Privathaushalten Energy consumption meter for kWh or m3 with advance warning before heading exceeded specifically to save energy in the home |
| 12/17/2008 | CN201167181Y Socket for monitoring mobile electric energy |
| 12/17/2008 | CN201167180Y Socket for monitoring wall electric energy |
| 12/17/2008 | CN101325857A Technique for fixing PCB plate of electrical equipment |
| 12/17/2008 | CN101325856A Process for manufacturing gold finger coupling sheet |
| 12/17/2008 | CN101325855A Technique for fixing watchcase of electrical equipment |
| 12/17/2008 | CN101325854A Fixed printed board technique for nameplate |
| 12/17/2008 | CN101325853A Process for manufacturing nameplate of fixed printed board |
| 12/17/2008 | CN100443905C Apparatus for generating signals against fraudulent using electricity |
| 12/11/2008 | DE102007047920A1 Device for detecting electrical energy of electrical load, has measuring device for detecting current and voltage of supplied load, and evaluation unit is provided for evaluating received electrical power and electrical function |
| 12/10/2008 | CN201163289Y Equipotential high-tension electric energy measuring apparatus of authigenic power supply |
| 12/10/2008 | CN101322043A Method and system for the calibration of meters |
| 12/10/2008 | CN101322036A Method and apparatus for the remote reading of an energy meter |
| 12/09/2008 | CA2201104C Electronic metering device including automatic service sensing |
| 12/03/2008 | CN201159749Y Three-phase electric energy meter |
| 12/03/2008 | CN201159748Y Intelligent electric power metering installation |
| 12/03/2008 | CN100439926C Integrator for Rogowski coil and its realizing method |
| 11/27/2008 | WO2008142431A1 Energy meter with power source |
| 11/27/2008 | WO2008142429A1 Capacitive voltage sensor |
| 11/27/2008 | WO2008142425A1 Apparatus for monitoring resource consumption |
| 11/27/2008 | DE202008011746U1 Zählerschale zur Anbringung an ein analoges oder digitales Verbrauchsmessgerät Counter cup for attachment to an analog or digital consumption meter |
| 11/27/2008 | DE202008011745U1 Zählerschale zur Anbringung an ein digitales Verbrauchsmessgerät Counter cup for attachment to a digital Consumption Meter |
| 11/20/2008 | WO2008140691A1 Method and apparatus for synchronizing data in a utility system |
| 11/20/2008 | WO2008139178A1 Current measuring apparatus for use with electric motors |
| 11/20/2008 | DE102007023395A1 Communication engineering signals receiving and evaluating arrangement for e.g. street light, has view mark for time period engaged with one of marks, and disengaged according to flow of period, where period serves as additional time |
| 11/20/2008 | DE102007023077A1 Zähleranschlussplatz mit einer Zählertragplatte zur Aufnahme von mindestens zwei Stromzählern Counter terminal space with a meter support plate for receiving at least two electric meters |
| 11/19/2008 | EP1991879A1 Device and method for measuring electrical power |
| 11/19/2008 | CN201153193Y Intelligent measurement and control distribution box |
| 11/19/2008 | CN101308196A Current integration measuring circuit |
| 11/19/2008 | CN101308167A Electronic type watthour meter switching under electrification |
| 11/13/2008 | WO2008065291A3 Electrical energy meter comprising at least one inductive type electricity measuring sensor, and associated sensor |
| 11/12/2008 | CN100433503C Remote energy monitoring apparatus and method |
| 11/04/2008 | CA2240514C Robust electrical utility meter |
| 10/30/2008 | WO2008081046A3 Polyphase electric energy meter |
| 10/29/2008 | EP1155332B1 Modular meter configuration and methodology |
| 10/29/2008 | CN201141892Y Three-phase four-wire electronic split-phase measuring electric energy meter |
| 10/29/2008 | CN101294994A Three-phase four-wire system electric energy quantifier with overload protection |
| 10/28/2008 | CA2269886C Remotely operated meter disconnect switch |
| 10/23/2008 | DE102007017922A1 Stromzählersystem mit fernsteuerbarer Stromunterbrechung Electricity meter system with remotely controllable power interruption |
| 10/15/2008 | EP1980862A2 Electronic electricity meter |
| 10/15/2008 | EP1980861A2 Electricity meter system with remote electricity stoppage |
| 10/14/2008 | US7436165 Device for measuring very short current pulses |
| 10/09/2008 | WO2008081047A3 Poly-phase electric energy meter |
| 10/08/2008 | EP1792288A4 Method of using flash memory for storing metering data |
| 10/08/2008 | CN201130214Y Self-maintain display electronic type electric energy meter |
| 10/07/2008 | CA2466956C Programmable electrical energy meter and methods therefore |
| 10/01/2008 | CN201126447Y Numeralization electric energy metered system |
| 10/01/2008 | CN101275978A Virtual electrical energy meter and manufacturing method thereof |
| 09/25/2008 | DE102007013729A1 Elektronischer Elektrizitätszähler Electricity meter |
| 09/24/2008 | CN201122172Y Electric energy meter capable of measuring electric energy measurement error |
| 09/24/2008 | CN101271129A Sensor type high tension electricity energy gauging method |
| 09/18/2008 | CA2679471A1 System and method for graphically displaying energy consumption and savings |
| 09/17/2008 | CN101266263A Electric power metrological supervision system and supervision method |
| 09/17/2008 | CN100419436C Four-quadrant power measurement |
| 09/10/2008 | CN101261494A Method and its device for time service based on GPS technology |
| 09/03/2008 | CN101256210A Three-phase electric energy meter based on NIOS II microprocessor |
| 09/03/2008 | CN101256209A Three-phase electrical energy computation chip based on NIOS II microprocessor |
| 09/03/2008 | CN101256203A Electric energy consumption meter with power line switch |
| 08/27/2008 | EP1960932A2 Apparatus and methods for multi-channel metering |
| 08/27/2008 | CN101251555A Anti-theft electricity type electronic type electric energy meter |
| 08/13/2008 | EP1955088A1 Method and system for the calibration of meters |