Patents for G01R 11 - Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption (8,227) |
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04/30/1992 | WO1992007276A1 Maximum monitor, especially for rate calculation |
04/29/1992 | CN2103147U Freezer power consumpting counting meter |
04/29/1992 | CN2103146U Neodymium iron boron damping device for watt-hour meter |
04/22/1992 | EP0481104A1 Transducer for electricity meter |
04/15/1992 | CN2101877U Electricity saver for single phase kilowatt-hour meter |
04/15/1992 | CN1060359A Arrangement on watt-hour meter for avoiding fraudulent use |
04/15/1992 | CN1016286B Time-sharing and reading devices for walt-hour meter |
04/08/1992 | CN2101244U Kilowatt-hour meter magnetic bearing without guide pin |
04/08/1992 | CN2101243U Kilowatt-hour meter without no-load loss |
04/08/1992 | CN2101242U Energy saving kilowatt-hour meter |
04/08/1992 | CN1016217B Generator circuit |
04/01/1992 | CN2100629U Avoiding or indicating fraudulent use of electricity terminal box of watt-hour meter |
04/01/1992 | CN2100628U False wiring protective device for watt-hour meters |
03/31/1992 | CA1298335C Method of altering the worm wheel depth on a watthour meter |
03/25/1992 | CN2099978U Anti-stealing electricity kilowatt-hour meter |
03/25/1992 | CN2099977U Single-phase kilowatt-hour meter vision-aid dust-proof cover |
03/24/1992 | US5097581 Electrical power meter installing/removing apparatus |
03/17/1992 | US5097383 Porta-temp |
03/10/1992 | CA1296923C Measurement circuit |
02/26/1992 | CN2097409U Instrument for looking up watt-hour meter |
02/18/1992 | US5089771 Reading device for a watt-hour meter |
02/11/1992 | US5088004 Electricity metering device with cover |
02/11/1992 | US5087875 Isolated high voltage transformer for electric power meter |
02/04/1992 | US5086292 Tamper detection device for utility meter |
01/29/1992 | CN2094749U Rare-earth permanent magnet damper |
01/29/1992 | CN1058274A Magnetic bearing of ferrite electricity meter |
01/22/1992 | CN2094064U Monophase watt-hour meters with voltage-stabilizing function |
01/22/1992 | CN2094063U Safety protection of watt-hour meters |
01/15/1992 | CN1057908A Pulse electricity meter |
01/07/1992 | US5079508 Electric power meter adjustment and indication method and apparatus |
01/07/1992 | CA1293995C Real time solid state register having battery backup |
01/01/1992 | CN2092101U Energy-saving watt-hour meter |
01/01/1992 | CN1057526A Circuit capable of protecting electricity against steal |
12/25/1991 | CN2091461U Anti-stealing electricity monitor |
12/25/1991 | CN2091460U Kilowatt-hour meter pulse sensor |
12/11/1991 | CN2090536U Counter-box device for tariffing electricity charge |
12/04/1991 | CN2090064U Self contained measuring device for power transformer |
12/04/1991 | CN2090063U Measuring box with acoustooptic switch for preventing steal electric and operating by children |
12/03/1991 | US5068962 Method of fabricating an energy meter |
11/21/1991 | EP0456868A1 Error compensation device for an induction type electricity meter |
11/19/1991 | US5066906 Time of use register for use with a utility meter |
11/12/1991 | US5064326 Tamper proof service bolt |
11/06/1991 | EP0455518A2 Electricity meter tamper monitoring |
11/06/1991 | CN1014640B Automatic electrical load timingly peak-limiting controller |
11/06/1991 | CN1014639B Intelligent monitor and its management system for electrical load |
10/30/1991 | CN2087785U Kilowatt-hour counter for electric energy meter |
10/23/1991 | CN2087344U New-type protector against embezzling electricity |
10/23/1991 | CN2087343U Magnetic suspension electric-energy meter |
10/16/1991 | CN2086907U Controller for overuse of civil electric power |
10/16/1991 | CN2086906U Pulsive wattmeter |
10/15/1991 | US5057767 Optical communications light shield for energy meter |
10/09/1991 | CN2086417U Anti-reversing meter device |
10/02/1991 | CN2085967U Multipurpose protector for preventing fraudulent use and leakage of electricity |
09/25/1991 | EP0447615A1 Appliance for monitoring housings of apparatus |
09/25/1991 | CN2085524U Electricity limiter |
09/25/1991 | CN2085523U No-load lossless watt-hour meter |
09/17/1991 | US5049810 Watt-hour meter cover with battery hatch reset switch and optical communication port |
09/04/1991 | CN2084198U Protector for avoiding fraudulent using electricity and preventing from getting electric shock |
09/04/1991 | CN2084197U Magnetic thrust bearing for watt-hour meter |
09/04/1991 | CN2084196U Domestic energy saving watt-hour meter |
08/28/1991 | CN2083753U Multi-function electricity fraudulent using-proof switch |
08/21/1991 | CN1053958A Method and apparatus for making current coil in electric meter |
08/14/1991 | CN2082866U Kilowatt-hour meter for rationing power supply |
08/07/1991 | CN2082419U Intelligent kilowatt-hour meter |
08/07/1991 | CN2082418U Multifunctional protection device for using electricity |
08/07/1991 | CN2082417U Infrared-reflective photo-electric pulse converter for electric energy meter |
07/31/1991 | EP0438616A1 Current-voltage transformer for domestic electronic power meters |
07/24/1991 | CA2034636A1 Current-voltage transformer for electronic house-service meter |
07/17/1991 | CN2081098U Civil electricity meter with automatic breaking device |
07/03/1991 | EP0434803A1 Support of opto-electronic pick-up for energy consumption counter. |
06/26/1991 | CN2079757U Low-voltage power measuring box |
06/25/1991 | US5027061 Electromagnetic and thermal shield for electronic energy meter |
06/25/1991 | US5027056 Multifunction register enclosure for energy meter |
06/19/1991 | EP0432386A1 Arrangement to determine the values of electrical variables, that can be derived from at least two electrical input signals of the arrangement |
06/19/1991 | EP0432367A1 Device for calculating the tariff with secure bidirectional interface |
06/19/1991 | CN2079298U Electricity fraudulent use preventing device |
06/18/1991 | US5025206 Test mode actuator and indicator for electronic energy meter |
06/18/1991 | CA1285029C Air gap stabilization in voltage stator |
06/18/1991 | CA1285028C Seasonal reset for electric watthour meter registers |
06/16/1991 | CA2025249A1 Tariff arrangement with secure bidirectional interface |
06/15/1991 | CA2029936A1 Arrangement for ascertaining values of electric quantities which are derivable from measured values of at least two electric input quantities of the arrangement |
06/12/1991 | CN2078882U Energy-economizer of watt-hour meter |
06/12/1991 | CN1052194A Watt-hour meter with function of automatic charge accounting |
06/11/1991 | US5023747 Meter base surge suppresion system |
05/22/1991 | CN2077550U Power moniter for guarding against stealing electricity |
05/22/1991 | CN2077549U Panel used for preventing stealing electricity |
05/15/1991 | CN2077130U Outside control separating type time-share watt-hour meter |
05/15/1991 | CN2077129U Multi-functional electricity-using monitor |
05/08/1991 | CN2076678U Double-mutual inductance type single-phase electric meter |
04/24/1991 | CN2075784U Anti-electricity steeling multifunctional electric meter box |
04/23/1991 | US5010335 Optical port multiplexer for electric metering equipment |
04/23/1991 | CA1283452C Differential switched-capacitor dual slope watthour meter circuit |
04/17/1991 | CN2075345U Protecting connect wire box for electric meter |
04/10/1991 | EP0421320A2 Electricity meter |
04/09/1991 | CA1282857C Terminal base assembly for meter sockets |
04/03/1991 | EP0420548A2 Energy meter |
04/03/1991 | EP0420545A2 Electronic watthour meter |
04/03/1991 | EP0420544A2 Electromagnetic and thermal shield for electronic energy meter |
04/03/1991 | EP0420537A2 Restrictor for multiple switch external control actuator for electronic energy meter |
04/03/1991 | EP0420536A2 Energy meters |