Patents
Patents for G01R 11 - Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption (8,227)
06/1999
06/09/1999CN2323375Y Separate automatic slot meter
06/08/1999US5910774 Sensor for count and tamper detection
06/02/1999CN2322148Y Intelligent pulse electric energy meter
05/1999
05/26/1999CN2321010Y Energy-saving active watt-hour meter
05/26/1999CN2321009Y Electronic single-phase electric energy meter
05/26/1999CN2321008Y Electronic single-phase electric energy meter
05/14/1999WO1999023495A2 Watthour meter socket adapter
05/12/1999CN2318637Y IC card single-phase computer electric-energy meter
05/11/1999CA2144210C Watthour meter mounting apparatus with safety shield
05/11/1999CA2144205C Watthour meter mounting apparatus with improved electrical connections
05/06/1999EP0913696A2 Modular apparatus for metering of electric energy
05/04/1999US5901028 Electricity meter provided with a system for protection against surges
04/1999
04/28/1999CN2316661Y Apparatus for preventing fraudulent use of electricity for single-phase mechanical sensitive electric energy meter
04/27/1999US5898387 Modular meter based utility gateway enclosure
04/21/1999CN2315572Y Infrared digit take-down device started by laser
04/14/1999CN2314380Y Terminal of watthour meter for recording in distance
04/14/1999CN2314379Y Electronic monophase watthour meter for three users
04/14/1999CN2314378Y Watthour meter
04/14/1999CN2314377Y Intellectual prepayable watthour meter
04/07/1999CN2313228Y Automatic changing-over device for electric-energy meters of different measurement range
04/07/1999CN2313227Y Self-centring magnetic-suspension bearing system for electric meter
03/1999
03/31/1999CN2312461Y Combination type casing of single phase mechanical ammeter
03/24/1999CN2311779Y Three-phase multi-function watt-hour meter
03/24/1999CN2311778Y Civil fraudulent use-avoiding electric meter
03/24/1999CN2311777Y Apparatus for avoiding fraudulent use for electric meter
03/17/1999CN2311001Y Prepay tariff meter for single phase electric energy meter
03/17/1999CN2311000Y Electricity data display device
03/04/1999WO1998057184A3 Improvements in, or relating to, electricity consumption meters
03/03/1999CN2309572Y Power supply measuring box
02/1999
02/24/1999CN2308900Y Network multi-user watt metering device
02/23/1999US5874732 Sensor for detecting rotation of a disk
02/23/1999US5874731 Ambient light filter
02/18/1999WO1999008119A1 Electricity meter with a housing, an electric terminal arrangement and a printed circuit board
02/18/1999WO1999008118A1 Counter
02/17/1999EP0897116A1 Monitoring utility meters
02/16/1999US5871858 Anti-theft battery
02/16/1999US5870911 Electric meter box lock
02/04/1999WO1999005761A1 Surge protectors that indicate failure to a remote location
02/04/1999DE19732731A1 Meter plug clamp for electricity meter
02/03/1999CN2306511Y Electric power carrier user watt-hour meter
02/03/1999CN2306510Y Machinery and electricity integrated prepayment intelligent watt-hour meter
02/03/1999CN2306509Y Rare-earth damping magnetic steel for watt-hour meter
01/1999
01/27/1999CN2305674Y Energy saving electric meter for preventing frandulent use of electricity
01/20/1999CN2304914Y Full closed kilowatt-hour meter cabin against shirking charges
01/20/1999CN2304913Y Casing for kilowatt-hour meter
01/19/1999US5861742 Electric meter cover
01/13/1999CN2304125Y Safety single-phase electricity meter preventing from fraudulent use of electricity
01/13/1999CN2304124Y Universal meter capable of outputting sound signal
01/07/1999EP0889329A1 Electricity meter comprising a system for excess voltage protection
01/06/1999CN2303302Y Kilowatt-hour meter
01/06/1999CN2303301Y Charge received in advance automatic control arrangement for kilowatt-hour meter
01/06/1999CN2303300Y Suspension boaring of kilowatt-hour meter
01/05/1999CA2043669C Vent for electricity metering device
01/05/1999CA2043668C Securing mechanism for an electricity metering device
01/01/1999CA2242141A1 Electricity meter with overvoltage protection system
12/1998
12/30/1998CN2302522Y Precision counter to electricity meter
12/30/1998CN2302521Y Time-sharing counting electric meter
12/29/1998US5853300 Watthour socket adapter with improved electrical connections
12/22/1998US5851038 Sealing ring
12/17/1998WO1998057185A1 Meter base assembly
12/17/1998WO1998057184A2 Improvements in, or relating to, electricity consumption meters
12/16/1998CN2300916Y Induction type electric power meter errorless vehicle sampling device
12/09/1998CN2300107Y Electric card pre-paid electric energy meter box
12/02/1998CN2299324Y Intelligent recording meter of power line carrier wave
12/02/1998CN2299323Y 电度表 Electric meter
12/02/1998CN2299322Y 电度表 Electric meter
12/02/1998CN2299321Y 电度表 Electric meter
11/1998
11/25/1998CN2298522Y Electricity meter
11/25/1998CN2298521Y High stable meter
11/24/1998US5841713 For semiconductor wafers
11/18/1998CN2297735Y Measuring mechanism for kilowatt-hour meter
11/18/1998CN1199172A Semi-idleness prepaid watthour meter
11/12/1998WO1998050797A1 Programmable monitoring device for electric consumption
11/11/1998CN2297003Y Sealed anticorrosive rare-earth permanent-magnetic damper
11/10/1998US5834932 Watthour meter system
10/1998
10/15/1998WO1998018012A3 Electrical energy meter oscillator compensation
10/15/1998WO1998014759A3 Sensor for count and tamper detection
10/07/1998CN2293842Y Adjustable overloading compensator
10/07/1998CN2293841Y Electric meter with far-end output port
10/01/1998WO1998043099A1 Casing for an electric apparatus, specially for a supply meter
09/1998
09/30/1998CN2293076Y Killowatt-hour meter
09/30/1998CN2293075Y Kilowatt-hour meter
09/30/1998CN2293074Y Kilowatt-hour meter
09/23/1998CN1193742A Intellectual electric power metering and charging management system
09/22/1998US5812941 Circuit for measuring output powers of channels and stabilizing radiofrequency output in system using linear power amplifier
09/16/1998CN1193112A Voltage-regulating type single-phase electric meter
09/09/1998CN2290858Y Quantitative recording device
09/02/1998CN2290057Y Magnetic damping device for electric energy meter
08/1998
08/27/1998DE19712239C1 Elektrogerätegehäuse, insbesondere für einen Verbrauchszähler Electric equipment housing, in particular for a utility meter
08/26/1998CN2289246Y Low measuring device for avoiding or indicating fraudulent use for distribution transformer
08/26/1998CN2289245Y Device for avoiding or indicating fraudulent use for watt-hour meter
08/19/1998CN2288454Y Open-phase indicator for three-phase active electric energy meter
08/19/1998CN2288449Y Low-pressure transformer for electromagnetic electric energy meter
08/19/1998CN2288448Y Watt-hour meter with function for indicating fraudulent use of electricity
08/19/1998CN2288447Y Drum type single directional watt-hour meter
08/19/1998CN2288446Y Miniaturized damping magnetic steel for watt-hour meter
08/19/1998CN2288445Y Magnetic pushing bearing type watt-hour meter
08/12/1998CN2287725Y Multiple user charging electric meter
08/12/1998CN2287724Y Adjustable Nd-Fe-B brake magnetic steel assembly
08/05/1998CN2287309Y Computer timing instrument for measuring melting time of fuse of voltage inducer
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