| 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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| 06/09/1999 | CN2323375Y Separate automatic slot meter |
| 06/08/1999 | US5910774 Sensor for count and tamper detection |
| 06/02/1999 | CN2322148Y Intelligent pulse electric energy meter |
| 05/26/1999 | CN2321010Y Energy-saving active watt-hour meter |
| 05/26/1999 | CN2321009Y Electronic single-phase electric energy meter |
| 05/26/1999 | CN2321008Y Electronic single-phase electric energy meter |
| 05/14/1999 | WO1999023495A2 Watthour meter socket adapter |
| 05/12/1999 | CN2318637Y IC card single-phase computer electric-energy meter |
| 05/11/1999 | CA2144210C Watthour meter mounting apparatus with safety shield |
| 05/11/1999 | CA2144205C Watthour meter mounting apparatus with improved electrical connections |
| 05/06/1999 | EP0913696A2 Modular apparatus for metering of electric energy |
| 05/04/1999 | US5901028 Electricity meter provided with a system for protection against surges |
| 04/28/1999 | CN2316661Y Apparatus for preventing fraudulent use of electricity for single-phase mechanical sensitive electric energy meter |
| 04/27/1999 | US5898387 Modular meter based utility gateway enclosure |
| 04/21/1999 | CN2315572Y Infrared digit take-down device started by laser |
| 04/14/1999 | CN2314380Y Terminal of watthour meter for recording in distance |
| 04/14/1999 | CN2314379Y Electronic monophase watthour meter for three users |
| 04/14/1999 | CN2314378Y Watthour meter |
| 04/14/1999 | CN2314377Y Intellectual prepayable watthour meter |
| 04/07/1999 | CN2313228Y Automatic changing-over device for electric-energy meters of different measurement range |
| 04/07/1999 | CN2313227Y Self-centring magnetic-suspension bearing system for electric meter |
| 03/31/1999 | CN2312461Y Combination type casing of single phase mechanical ammeter |
| 03/24/1999 | CN2311779Y Three-phase multi-function watt-hour meter |
| 03/24/1999 | CN2311778Y Civil fraudulent use-avoiding electric meter |
| 03/24/1999 | CN2311777Y Apparatus for avoiding fraudulent use for electric meter |
| 03/17/1999 | CN2311001Y Prepay tariff meter for single phase electric energy meter |
| 03/17/1999 | CN2311000Y Electricity data display device |
| 03/04/1999 | WO1998057184A3 Improvements in, or relating to, electricity consumption meters |
| 03/03/1999 | CN2309572Y Power supply measuring box |
| 02/24/1999 | CN2308900Y Network multi-user watt metering device |
| 02/23/1999 | US5874732 Sensor for detecting rotation of a disk |
| 02/23/1999 | US5874731 Ambient light filter |
| 02/18/1999 | WO1999008119A1 Electricity meter with a housing, an electric terminal arrangement and a printed circuit board |
| 02/18/1999 | WO1999008118A1 Counter |
| 02/17/1999 | EP0897116A1 Monitoring utility meters |
| 02/16/1999 | US5871858 Anti-theft battery |
| 02/16/1999 | US5870911 Electric meter box lock |
| 02/04/1999 | WO1999005761A1 Surge protectors that indicate failure to a remote location |
| 02/04/1999 | DE19732731A1 Meter plug clamp for electricity meter |
| 02/03/1999 | CN2306511Y Electric power carrier user watt-hour meter |
| 02/03/1999 | CN2306510Y Machinery and electricity integrated prepayment intelligent watt-hour meter |
| 02/03/1999 | CN2306509Y Rare-earth damping magnetic steel for watt-hour meter |
| 01/27/1999 | CN2305674Y Energy saving electric meter for preventing frandulent use of electricity |
| 01/20/1999 | CN2304914Y Full closed kilowatt-hour meter cabin against shirking charges |
| 01/20/1999 | CN2304913Y Casing for kilowatt-hour meter |
| 01/19/1999 | US5861742 Electric meter cover |
| 01/13/1999 | CN2304125Y Safety single-phase electricity meter preventing from fraudulent use of electricity |
| 01/13/1999 | CN2304124Y Universal meter capable of outputting sound signal |
| 01/07/1999 | EP0889329A1 Electricity meter comprising a system for excess voltage protection |
| 01/06/1999 | CN2303302Y Kilowatt-hour meter |
| 01/06/1999 | CN2303301Y Charge received in advance automatic control arrangement for kilowatt-hour meter |
| 01/06/1999 | CN2303300Y Suspension boaring of kilowatt-hour meter |
| 01/05/1999 | CA2043669C Vent for electricity metering device |
| 01/05/1999 | CA2043668C Securing mechanism for an electricity metering device |
| 01/01/1999 | CA2242141A1 Electricity meter with overvoltage protection system |
| 12/30/1998 | CN2302522Y Precision counter to electricity meter |
| 12/30/1998 | CN2302521Y Time-sharing counting electric meter |
| 12/29/1998 | US5853300 Watthour socket adapter with improved electrical connections |
| 12/22/1998 | US5851038 Sealing ring |
| 12/17/1998 | WO1998057185A1 Meter base assembly |
| 12/17/1998 | WO1998057184A2 Improvements in, or relating to, electricity consumption meters |
| 12/16/1998 | CN2300916Y Induction type electric power meter errorless vehicle sampling device |
| 12/09/1998 | CN2300107Y Electric card pre-paid electric energy meter box |
| 12/02/1998 | CN2299324Y Intelligent recording meter of power line carrier wave |
| 12/02/1998 | CN2299323Y 电度表 Electric meter |
| 12/02/1998 | CN2299322Y 电度表 Electric meter |
| 12/02/1998 | CN2299321Y 电度表 Electric meter |
| 11/25/1998 | CN2298522Y Electricity meter |
| 11/25/1998 | CN2298521Y High stable meter |
| 11/24/1998 | US5841713 For semiconductor wafers |
| 11/18/1998 | CN2297735Y Measuring mechanism for kilowatt-hour meter |
| 11/18/1998 | CN1199172A Semi-idleness prepaid watthour meter |
| 11/12/1998 | WO1998050797A1 Programmable monitoring device for electric consumption |
| 11/11/1998 | CN2297003Y Sealed anticorrosive rare-earth permanent-magnetic damper |
| 11/10/1998 | US5834932 Watthour meter system |
| 10/15/1998 | WO1998018012A3 Electrical energy meter oscillator compensation |
| 10/15/1998 | WO1998014759A3 Sensor for count and tamper detection |
| 10/07/1998 | CN2293842Y Adjustable overloading compensator |
| 10/07/1998 | CN2293841Y Electric meter with far-end output port |
| 10/01/1998 | WO1998043099A1 Casing for an electric apparatus, specially for a supply meter |
| 09/30/1998 | CN2293076Y Killowatt-hour meter |
| 09/30/1998 | CN2293075Y Kilowatt-hour meter |
| 09/30/1998 | CN2293074Y Kilowatt-hour meter |
| 09/23/1998 | CN1193742A Intellectual electric power metering and charging management system |
| 09/22/1998 | US5812941 Circuit for measuring output powers of channels and stabilizing radiofrequency output in system using linear power amplifier |
| 09/16/1998 | CN1193112A Voltage-regulating type single-phase electric meter |
| 09/09/1998 | CN2290858Y Quantitative recording device |
| 09/02/1998 | CN2290057Y Magnetic damping device for electric energy meter |
| 08/27/1998 | DE19712239C1 Elektrogerätegehäuse, insbesondere für einen Verbrauchszähler Electric equipment housing, in particular for a utility meter |
| 08/26/1998 | CN2289246Y Low measuring device for avoiding or indicating fraudulent use for distribution transformer |
| 08/26/1998 | CN2289245Y Device for avoiding or indicating fraudulent use for watt-hour meter |
| 08/19/1998 | CN2288454Y Open-phase indicator for three-phase active electric energy meter |
| 08/19/1998 | CN2288449Y Low-pressure transformer for electromagnetic electric energy meter |
| 08/19/1998 | CN2288448Y Watt-hour meter with function for indicating fraudulent use of electricity |
| 08/19/1998 | CN2288447Y Drum type single directional watt-hour meter |
| 08/19/1998 | CN2288446Y Miniaturized damping magnetic steel for watt-hour meter |
| 08/19/1998 | CN2288445Y Magnetic pushing bearing type watt-hour meter |
| 08/12/1998 | CN2287725Y Multiple user charging electric meter |
| 08/12/1998 | CN2287724Y Adjustable Nd-Fe-B brake magnetic steel assembly |
| 08/05/1998 | CN2287309Y Computer timing instrument for measuring melting time of fuse of voltage inducer |