| Patents for G01R 22 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters (4,127) |
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| 03/09/1999 | US5880464 Optical meter reader using a shadow |
| 02/18/1999 | WO1999008119A1 Electricity meter with a housing, an electric terminal arrangement and a printed circuit board |
| 02/18/1999 | WO1999008118A1 Counter |
| 02/09/1999 | US5869960 Digital power consumption meter for displaying instantaneous and consumed electric power of an electrical device |
| 01/27/1999 | CN1206111A Power supply circuit for electricity meter |
| 01/21/1999 | WO1999002998A1 Device for monitoring one or more consumption meters |
| 01/20/1999 | EP0892273A1 Supply circuit for an electricity meter |
| 01/20/1999 | CN2304915Y Electronic three phase kilowatt-hour meter |
| 01/20/1999 | CN1205437A Analogue magnetic card watt-hour meter |
| 01/17/1999 | CA2242799A1 Power supply circuit for an electricity meter |
| 01/13/1999 | CN2304128Y Civil electricity automatic-metering apparatus |
| 01/07/1999 | WO1998044355A3 Electricity meter |
| 12/30/1998 | EP0887650A1 Robust electrical utility meter |
| 12/09/1998 | CN2300112Y Watt-hour meter for single-phase electric pump |
| 12/09/1998 | CN2300111Y Cluster digital watt-hour meter |
| 12/03/1998 | WO1998054591A1 Automated communication of electricity meter data |
| 11/18/1998 | EP0878892A2 Method for detection and/or calculation of billing amounts of consumption quantities |
| 11/12/1998 | WO1998050797A1 Programmable monitoring device for electric consumption |
| 11/10/1998 | US5834932 Watthour meter system |
| 11/04/1998 | EP0739489B1 Measuring process for measuring chargeable electrical consumption from an electrical network and electronic electricity meter |
| 10/29/1998 | DE19713120C1 Elektrizitätszähler Electricity meters |
| 10/27/1998 | US5828576 Power monitor apparatus and method with object oriented structure |
| 10/15/1998 | WO1998045718A1 Device for monitoring power consumption |
| 10/15/1998 | WO1998018012A3 Electrical energy meter oscillator compensation |
| 10/14/1998 | EP0871272A1 Method for determining the energy saving potential of an electrical energy consuming system and method for operating an electrical energy consuming system |
| 10/08/1998 | WO1998044355A2 Electricity meter |
| 10/07/1998 | EP0643841B1 System and process for the measurement of the electric energy consumption of a plurality of consumers |
| 10/07/1998 | CN2293796Y Integral pulse counter |
| 09/23/1998 | EP0671009B1 Programmable electrical energy meter and methods therefor |
| 09/09/1998 | EP0862746A1 Electronic metering device including automatic service sensing |
| 09/09/1998 | CN2290941Y Intelligence integratly metering lighting distributing box |
| 09/09/1998 | CN2290859Y Electronic fee watt-hour meter |
| 09/08/1998 | US5804993 Detecting circuit |
| 09/02/1998 | CN2290058Y Permanent parameter installation apparatus for intelligence watt-hour meter |
| 09/01/1998 | US5801643 Remote utility meter reading system |
| 08/27/1998 | WO1998037528A1 Remote utility meter reading system |
| 08/26/1998 | CN2289247Y All electronic pre-payment IC card electric energy meter |
| 08/20/1998 | DE19704492A1 Meter data reading and processing method |
| 08/19/1998 | CN2288452Y Intelligent watt-hour meter |
| 08/19/1998 | CN2288451Y Miniature electronic watt-hour meter |
| 08/12/1998 | EP0857978A2 Programmable electrical energy meter and methods therefor |
| 08/05/1998 | EP0856738A1 Externally powered device with an electronic display and/or a communication interface |
| 07/29/1998 | CN2286881Y Detection device for preventing from fraudulent use of electricity |
| 07/23/1998 | WO1998018013A3 Energy meter with power quality monitoring and diagnostic systems |
| 07/16/1998 | DE19701008A1 Data acquisition system and device for selecting and displaying time variable values |
| 07/09/1998 | DE19720315C1 Tariff charge calculation method for water, gas or electricity supply services |
| 06/09/1998 | US5764523 Electronic watt-hour meter |
| 06/04/1998 | DE19648770A1 Appts. for outputting meter data esp. from electricity meter |
| 06/03/1998 | CN1183860A Energy management and building automation system |
| 05/27/1998 | CN1182879A Power line-carrier intelligent measuring system for preventing fraudulent use electric energy |
| 05/20/1998 | EP0843151A1 Probe scanning apparatus for probe microscope |
| 05/20/1998 | CN1182216A Probe scanning apparatus for probe microscope |
| 05/20/1998 | CN1182215A Concentrated intelligent watt-hour meter |
| 05/13/1998 | EP0840896A1 Electricity meter |
| 05/05/1998 | US5747985 Optical-electronic demand meter using optical metering outfit |
| 04/30/1998 | WO1998018013A2 Energy meter with power quality monitoring and diagnostic systems |
| 04/30/1998 | WO1998018012A2 Electrical energy meter oscillator compensation |
| 04/29/1998 | EP0627083B1 Method and apparatus for electronic meter testing |
| 04/28/1998 | US5745114 Graphical display for an energy management device |
| 04/21/1998 | US5742512 Electronic electricity meters |
| 04/07/1998 | US5737730 Measuring process for measuring chargeable electrical consumption from an electrical network and electronic electricity meter |
| 04/07/1998 | US5737231 Metering unit with enhanced DMA transfer |
| 03/26/1998 | DE19638614A1 Electricity consumption counter |
| 03/12/1998 | WO1998010394A1 Automatic meter reading data communication system |
| 03/12/1998 | WO1998010299A1 Electronic electric meter for networked meter reading |
| 03/10/1998 | US5726901 System for reporting computer energy consumption |
| 02/05/1998 | WO1998005013A1 An integrated circuit design automatic utility meter: apparatus and method |
| 02/05/1998 | WO1998004926A1 Sigma-delta multiplier circuit for power measurement equipment |
| 02/05/1998 | DE19630605A1 Multiplikationsschaltung für Leistungs-Meßgerät Multiplication circuit for power meter |
| 02/03/1998 | US5715390 Method and apparatus for providing upgrades in electricity meters |
| 01/20/1998 | US5710691 For protecting an appliance receiving power from a household power socket |
| 01/07/1998 | EP0653070B1 High speed power analyzer |
| 01/07/1998 | CN1169537A Electric quantity computer-controlled monitoring instrument |
| 12/09/1997 | US5696695 System for rate-related control of electrical loads |
| 12/04/1997 | WO1997045704A1 Metering systems |
| 11/26/1997 | CN2268939Y Electronic watch |
| 11/13/1997 | DE19606927A1 Electronic energy meter with two analogue-digital converters |
| 11/12/1997 | CN1164786A Method of counting value through multicenter arbitrary fetch count value memory |
| 11/04/1997 | US5684710 System for measuring electrical power interruptions |
| 10/30/1997 | DE19711946A1 Remote counter access method over communications line |
| 10/29/1997 | EP0803741A1 Method and apparatus for electronic testing of electricity meters |
| 10/23/1997 | WO1997039363A1 Apparatus for the measurement of electrical energy consumption |
| 10/22/1997 | EP0801836A2 Energy management and building automation system |
| 10/21/1997 | US5680316 Method for estimating discharge capability of zinc oxide power element, method for screening the element and systems for carrying out these methods |
| 10/15/1997 | CN2264916Y Sensor of intelligent watt-hour meter |
| 10/15/1997 | CN1162120A Method for synchronously metering three-phase/single-phase fundamental electrical energy and harmonic electrical energy and electric meter thereof |
| 10/08/1997 | CN2264373Y Real time multi-user digital watt-hour meter |
| 10/07/1997 | US5675754 For an ac load control device |
| 09/24/1997 | CN1160207A Superwide load electronic KWH meter |
| 09/16/1997 | US5668538 Modular electricity meter arrangement having remotely controllable switch |
| 09/03/1997 | CN1158424A Solid watt-hour meter and distributing collecting system |
| 09/02/1997 | US5663638 Calorimetric RF power meter with dynamic zeroing and constant temperature and power dissipation in the calorimetric bridge |
| 08/06/1997 | CN1156254A Electronic peak-to-valley metering electric-energy meter |
| 07/29/1997 | US5652505 Power consumption measurement device for a multiphase alternating current system |
| 07/23/1997 | CN2258280Y Intelligent kilowatt-hour meter |
| 07/23/1997 | CN2258279Y Device avoiding or indicating fraudulent use of electricity for electronic kilowatt-hour meter |
| 07/22/1997 | US5650936 Power monitor apparatus and method with object oriented structure |
| 07/16/1997 | EP0783786A1 Graphical display for an energy management device |
| 07/09/1997 | EP0783111A2 Electrical heating control device |
| 06/25/1997 | CN2257022Y Card-type multifunctional kilo-watt-hour meter with cipher |