| Patents for G01R 22 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters (4,127) |
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| 09/13/1995 | CN1108390A Automatic time-delay and range-compensation method and watt hour meter making use of the method |
| 08/29/1995 | US5446373 Method of measuring the consumption of electrical energy |
| 08/23/1995 | CN2205970Y Meter for quantity of dc electricity |
| 08/16/1995 | EP0627083A4 Method and apparatus for electronic meter testing. |
| 08/16/1995 | CA2142545A1 Meter for measuring power consumption of an electrical appliance |
| 08/09/1995 | CN1106539A Digital automatic phase amplitude compensation method and watt metering device using the same |
| 08/02/1995 | CN2204426Y D.C digital voltage hour-meter |
| 07/20/1995 | WO1995019573A1 Measuring process for measuring chargeable electrical consumption from an electrical network and electronic electricity meter |
| 07/05/1995 | CN2202927Y Multi-function computer control electricity meter and intelligent writing device |
| 06/28/1995 | EP0671009A4 Programmable electrical energy meter and methods therefor. |
| 06/21/1995 | CN2201672Y Electronic watt meter integral counter |
| 05/23/1995 | US5418086 Battery with coulometric state of charge indicator |
| 05/17/1995 | EP0653070A1 High speed power analyzer |
| 05/17/1995 | CN2197674Y Energy saving watt-hour meter |
| 05/16/1995 | US5416406 Electric charge metering device and method |
| 04/26/1995 | CN2195760Y 预付费电子电能表 Prepaid electronic energy meter |
| 04/19/1995 | CN2195098Y Card insertion intelligent active watt-hour meter |
| 04/11/1995 | US5406075 Externally-mounted utility meter reading arrangement |
| 03/29/1995 | EP0645636A1 Electronic watthour meter |
| 03/22/1995 | EP0644433A1 Electronic watthour meter |
| 03/22/1995 | EP0644431A1 Electronic watthour meter |
| 03/22/1995 | EP0643841A1 System and process for the measurement of the electric energy consumption of a plurality of consumers |
| 03/22/1995 | CN2192889Y Automatic copytype intelligence watt-hour meter for multi-house centralized measuring |
| 03/08/1995 | CN1099869A Clasp type electricity meter |
| 03/01/1995 | CA2105095A1 Electricity cost monitor |
| 02/15/1995 | EP0638952A1 Battery with state-of-charge indicator |
| 02/15/1995 | CN1098786A Intelligent electric power measuring and control system for liquid carry communication |
| 02/10/1995 | CA2129298A1 Battery with coulometric state of charge indicator |
| 02/01/1995 | CN2188777Y Nonlinear load electric energy meter |
| 01/18/1995 | EP0634662A1 Electronic watt-hour meter |
| 01/18/1995 | CN1027470C Integrated poly-phase power meter |
| 12/21/1994 | CN2185895Y Electronic electric energy meter |
| 12/07/1994 | EP0627083A1 Method and apparatus for electronic meter testing |
| 10/26/1994 | CN2181007Y Electric clamp type electronic electricity meter |
| 10/26/1994 | CN2181006Y Set type electronic electricity meter using pwm multiplication operation |
| 10/19/1994 | CN2179978Y Multi-functional intelligent watt-hour meter |
| 10/19/1994 | CN1093810A 集合型电子电度表 Collection of electronic power meter |
| 10/12/1994 | CN2179590Y Distributing 3-phase electronic watt-hour meter |
| 10/12/1994 | CN2179589Y Electronic card pre-paying watt-hour meter |
| 09/07/1994 | CN1091834A Compensation method for increasing metering precision of electronic watt-hour meter |
| 09/01/1994 | WO1994019899A1 Remote automatic meter reading apparatus |
| 08/31/1994 | CN2175937Y Multi-plex intelligent watt-hour meter |
| 08/17/1994 | CN2174711Y Intelligent multi-function digital electric meter |
| 08/17/1994 | CN2174710Y Electric card type prepaying electronic watt-hour meter |
| 07/21/1994 | WO1994016334A1 Electronic watt-hour meter |
| 07/20/1994 | CN2172478Y 多功能电子电度表 Multi-functional electronic meter |
| 07/20/1994 | CN2172477Y Integral electronic watt-hour meter |
| 07/06/1994 | EP0604492A1 Apparatus and method for calibrating power meters |
| 07/06/1994 | CN2171116Y Intelligent kilowatt-hour meter |
| 06/29/1994 | CN2170528Y Magnetic card watt-hour meter |
| 06/28/1994 | US5325051 Electronic watthour meter |
| 06/15/1994 | CN2169139Y Computer watthour meter |
| 06/01/1994 | CN2167377Y Safety Hall type intelligent power electric meter |
| 05/31/1994 | US5317546 Time-of-use calendar events method and apparatus for a meter register |
| 05/25/1994 | CN2166459Y Single-phase intelligent electric meter |
| 05/25/1994 | CN2166458Y Magneti card type electric meter |
| 05/25/1994 | CN1087177A Electronic numerical control watt-hour meter |
| 05/24/1994 | US5315235 Electrical energy meter with programmable register component |
| 05/04/1994 | CN2164053Y Power-frequency fundamental-wave electronic electric energy meter |
| 04/13/1994 | CN2161928Y Prepayment kilowatt-hour meter |
| 04/06/1994 | CN2160916Y Electronic card prepayment digital watt-hour meter |
| 04/06/1994 | CN2160915Y Digital watt-hour meter for multiple consumers |
| 04/06/1994 | CN2160914Y Prepaying type tariff meter for watt-hour meter |
| 04/05/1994 | US5301121 Measuring electrical parameters of power line operation, using a digital computer |
| 03/16/1994 | CN1083930A Apparatus for preventing illegal use of electric energy |
| 03/11/1994 | CA2077955A1 Energy monitor |
| 03/01/1994 | CA1327398C Consumption meter |
| 02/22/1994 | US5289115 Electronic watt-hour meter with selection of time base signals |
| 02/17/1994 | WO1994003818A1 High speed power analyzer |
| 02/16/1994 | CN2156514Y Magnetic disc digital electricity meter |
| 02/16/1994 | CN1082198A 电度表 Electric meter |
| 02/02/1994 | CN1081514A Intelligent type multi-function digital watt-hour meter |
| 02/02/1994 | CN1023662C Slotic electricity meter |
| 01/12/1994 | EP0578025A1 Method of measuring the consumption of electrical energy |
| 01/12/1994 | CN2153065Y Digital sampling type magnetic card electric energy meter for many users |
| 12/14/1993 | CA1325244C Electrical energy analyser |
| 12/09/1993 | WO1993024842A1 System and process for the measurement of the electric energy consumption of a plurality of consumers |
| 12/08/1993 | CN1079307A Prepayment type intelligent watt-hour meter |
| 12/08/1993 | CN1079306A Design method for high-precision microcomputerized watt-hour meter |
| 12/08/1993 | CN1079305A Programmable electric energy meter and methods the refore |
| 11/24/1993 | CN2147545Y Electric spoon type intelligent electric power meter |
| 11/02/1993 | US5258704 Electronic watthour meter |
| 10/27/1993 | CN1077799A Micto-computer inteligent sensor electric meter |
| 09/22/1993 | CN1076526A Method and apparatus for electronic meter testing |
| 09/14/1993 | US5245275 Electronic watthour meter |
| 09/02/1993 | WO1993017390A1 Programmable electrical energy meter and methods therefor |
| 09/02/1993 | WO1993017345A1 Method and apparatus for electronic meter testing |
| 09/01/1993 | CN2141570Y 节能电子电度表 Energy-saving electronic power meter |
| 08/18/1993 | CN2140527Y Kilowatt meter |
| 08/18/1993 | CN2140526Y Multi-user watt-hour measurer |
| 08/11/1993 | EP0555141A1 Electronic energy consumption meter |
| 08/11/1993 | CN2140064Y Magnetic card auto-count liquid crystal indicating watt-hour meter |
| 08/04/1993 | EP0553332A1 Remote meter reading |
| 06/30/1993 | CN2137364Y Intellectual carrier watt-hour meter |
| 06/09/1993 | CN1073008A Remote Meter reading |
| 05/26/1993 | CN2134658Y 电度表 Electric meter |
| 04/21/1993 | CN2130266Y Multi-user central control computerized electric meter |
| 04/01/1993 | WO1993006499A1 Improvements relating to the calibration of power meters |
| 03/31/1993 | EP0534726A1 Meters - e.g. energy consumption meters |
| 03/31/1993 | EP0534583A2 Convertible energy meter |