| 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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| 11/01/1988 | US4782286 Light load adjustment and air gap stabilization in voltage stators |
| 10/19/1988 | CN87102509A Anti-electricity-stealing outdoor power-off box |
| 10/19/1988 | CN87102484A Household single phase kwh meter with anti-electricity-stealing function |
| 10/13/1988 | DE3711094A1 Electronic storage circuit for consumption meters |
| 10/12/1988 | EP0286544A2 Real time solid state register having battery backup |
| 10/04/1988 | US4775834 Pulse width-pulse height multiplicator in a static kWh meter |
| 09/21/1988 | EP0282632A1 Two-rate metering device with two meter trains |
| 09/21/1988 | CN87210003U Watthour meter capable of preventing electricity-stealing and electric shocking |
| 09/21/1988 | CN87101806A 电功率限制器 Electric power limiter |
| 09/20/1988 | US4772213 Watthour meter socket adapter |
| 09/20/1988 | CA1242248A1 Annular rotor disk for electric meter |
| 09/14/1988 | CN87216086U Interface device for transfering watt-hour measurment into pulse measurement |
| 09/07/1988 | CN87216654U Detector against stealing electric power |
| 09/07/1988 | CN87212580U Multi-function device against stealing electric power of kwh meter |
| 09/06/1988 | CA1241697A1 Packaging for electronic demand register |
| 09/06/1988 | CA1241696A1 Memory programmer interface for electronic demand register |
| 08/24/1988 | CN87210645U Multifunctional electromagnetic anti-thief safety device |
| 08/23/1988 | CA1241065A1 Identical left-right current stators for polyphase watthour meter |
| 08/23/1988 | CA1241064A1 Phase lag adjustment in electric meter |
| 08/23/1988 | CA1241063A1 Auxiliary winding for driving electric meter accessories |
| 08/23/1988 | CA1241062A1 Spring loaded installation for electronic register module |
| 08/23/1988 | CA1241061A1 Solid state electronic pulse scaler using ratio of two integers |
| 08/10/1988 | EP0277314A1 Electrical dosimetry control system |
| 08/10/1988 | CN87210149U Power consumption metering box able to defence stealing of electricity |
| 08/10/1988 | CN87206648U Electric meter with wide power factor and having a sensitive coil |
| 08/03/1988 | CN87210684U Multifunctional electric power measurer |
| 08/03/1988 | CN87204339U Voltage compensation type electricity meter |
| 08/03/1988 | CN85106836B Peak power indicator |
| 07/27/1988 | EP0152476B1 Static kwh meter |
| 07/26/1988 | US4760332 Of a kilowatthour meter |
| 07/20/1988 | EP0275000A2 Pulsing counters for water, gas, electricity |
| 07/19/1988 | US4758784 Air core gauge with zero pointer return related application |
| 07/13/1988 | CN87204723U Automatic control devicl against electricity theft. |
| 07/06/1988 | CN87212783U Three-phase electric power batcher |
| 07/06/1988 | CN86103822B Watt-hour meter with memory and telemetering function |
| 06/28/1988 | US4754217 Seasonal reset for electric watthour meter registers |
| 06/22/1988 | CN87209065U Ac watthour meter with timeshare record degree |
| 06/16/1988 | WO1988004433A1 Prepayment metering system using encoded purchase cards |
| 06/15/1988 | EP0270802A1 Device for sealing and simultaneously mechanically locking a cover onto an apparatus |
| 06/07/1988 | US4749938 Meter tampering detection device |
| 06/07/1988 | CA1237776A1 Time-of-use watt-hour meter with demand profile capability |
| 06/01/1988 | CN87208643U Protection and anti-electricity-stealing relay for watt-hour meter |
| 05/25/1988 | CN87211914U Auto controller for time-peak-limiting of power load |
| 05/25/1988 | CN87211333U Power saving device for electricity metre |
| 05/24/1988 | US4747016 Tamper-resistant removable cover for a utility box assembly |
| 05/11/1988 | CN87210235U Linklocking device against electric stealer |
| 05/11/1988 | CN87209448U Energy economizer for watt-hour meter and energy-saving watt-hour meter |
| 05/11/1988 | CN86210840U Automatic interrupter for large power load limiting |
| 05/10/1988 | US4744004 Electricity meter with solid-state circuits |
| 05/04/1988 | CN87201579U Quantitive adjustable vattmeter |
| 05/03/1988 | CA1236066A1 Meter register with incremental indicia wheel movement |
| 04/20/1988 | CN87201861U Coin controlled device of watthour meter |
| 04/13/1988 | CN87102941A Measurement circuit |
| 04/12/1988 | US4736644 Adjustable gear support bracket |
| 03/30/1988 | CN87206765U Device guarding against sneaking current |
| 03/30/1988 | CN87206487U Kilowatt hour-pulse converting deivce for kilowatt hour meter |
| 03/30/1988 | CN87204035U Watt hour meter guarding against sneaking current |
| 03/22/1988 | US4733171 Differential switched-capacitor dual slope watthour meter circuit |
| 03/16/1988 | CN86208650U Monitor for preventing electricity-stealing |
| 03/15/1988 | US4731575 Prepayment metering system using encoded purchase cards |
| 03/09/1988 | CN87207344U Electric-saving device for w-h meters |
| 03/09/1988 | CN87207082U Time-sharing quantity counting controller of w-h meter |
| 03/01/1988 | CA1233524A1 Display temperature compensator for electric meter |
| 03/01/1988 | CA1233522A1 Electric meter with electronic rolling demand register |
| 03/01/1988 | CA1233521A1 Apparatus and method for copying data from one electronic demand register to another |
| 03/01/1988 | CA1233520A1 Operation of electronic demand register following a power outage |
| 03/01/1988 | CA1233519A1 Electronic demand register |
| 03/01/1988 | CA1233518A1 Power supply and power monitor for electric meter |
| 03/01/1988 | CA1233517A1 Test operation of electronic demand register |
| 02/24/1988 | CN87205025U Multifunctional safety kilowatt-hour meter |
| 02/24/1988 | CN87204839U Pulse kilowatt-hour meter |
| 02/24/1988 | CN87200169U Pincer type wattmeter |
| 02/23/1988 | US4727315 Electricity metering equipment |
| 02/17/1988 | CN87204845U Time-sharing measuring general unit of monolithic microcomputer |
| 02/17/1988 | CN86105067A Automatical switching-in and switching-off device of voltage coil of electric meter |
| 02/10/1988 | CN86202410U Expanding apparatus for power limit of kilowatt-hour meter |
| 02/03/1988 | CN86209675U Electric energy measuring device |
| 01/27/1988 | CN87201210U A electricity saver for single-phase watt-hour meter |
| 01/27/1988 | CN87200894U Multifunction device against stealing electricity |
| 01/21/1988 | DE3622771A1 Arrangement for energy measurement in two separate, multi-phase supply circuits |
| 01/20/1988 | CN87203850U Electricity-saving device for kilowatt-hour meter |
| 01/19/1988 | US4720675 Meter locking system |
| 01/13/1988 | CN87105625A Automatic electrical load timingly peak-limiting controller |
| 12/30/1987 | CN86103429A Compensator for total errors of electric energy countings |
| 12/23/1987 | DE3620439A1 Apparatus and method for the purpose of acquiring load data from current pick-offs (current collectors, moving contacts) with the aid of a microprocessor having an integrated multifunction display, cos (y) detection and maximum load monitoring, and a residual current device (fault-current protection circuit breaker) |
| 12/23/1987 | CN86204475U Power-saving electronic switch for single phase watt-hour meter |
| 12/22/1987 | CA1230645A1 Light load adjust apparatus for electric meter |
| 12/16/1987 | CN86103822A Watt-hour meter with memory and telemetering function |
| 12/15/1987 | US4713610 Electric meter with improved sensing head assembly |
| 12/15/1987 | US4713609 Battery backup installation for electric meter |
| 12/10/1987 | DE3619053A1 Electricity cost meter |
| 12/09/1987 | EP0248137A1 System for accumulating verifiable energy demand data from remote electricity meters |
| 12/05/1987 | CN86210119U Electronic energy-saving device used for ac electric meter |
| 12/02/1987 | EP0247029A1 Memory programmer interface for electronic demand register |
| 11/25/1987 | CN87207090U Anti-steal electricity supervision-device for single phase watt-hour meter |
| 11/11/1987 | CN86209218U Electric power comsumption monitor |
| 11/11/1987 | CN86207718U Power-saving watt-hour meter |
| 11/11/1987 | CN86203088U Programmable time sharing and metering controller for electric power |
| 11/05/1987 | WO1987006711A1 Measurement circuit |
| 10/31/1987 | CN86210781U Electricity saving device for electromagnetic watt-hour meter |