| Patents for G01R 22 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters (4,127) |
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| 08/06/1980 | EP0014038A1 Kilowatt-hour meters |
| 07/15/1980 | US4213182 Programmable energy load controller system and methods |
| 05/28/1980 | EP0011094A2 Device for measuring electric energy |
| 03/19/1980 | EP0008630A1 Power/frequency converter with a microcomputer |
| 01/08/1980 | US4182983 Electronic AC electric energy measuring circuit |
| 01/08/1980 | US4182982 Current sensing transducer for power line current measurements |
| 12/04/1979 | CA1067573A1 Seals for alkaline electrochemical devices |
| 08/21/1979 | US4165485 Electronic watt-hour meter |
| 08/07/1979 | US4164004 Electrochemical potential memory device using liquid electrolyte |
| 04/03/1979 | US4147978 System for monitoring electrical energy consumption |
| 10/31/1978 | US4123700 Potentiostated, self-humidifying, solid polymer electrolyte carbon monoxide dosimeter |
| 07/11/1978 | US4100490 Elapsed time indicator and electrolytic timer cell |
| 02/28/1978 | US4077061 Digital processing and calculating AC electric energy metering system |
| 11/15/1977 | US4058768 Two-way electronic kWh meter |
| 11/01/1977 | US4056774 Electronic watthour meter circuit |
| 07/26/1977 | US4038586 Coulomb memory element |
| 03/29/1977 | US4015150 Normally on led coulometric timing system |
| 03/01/1977 | US4010417 Watt hour meter |
| 01/04/1977 | US4001688 Electrolytes |
| 11/16/1976 | US3992668 Electro-thermal readout of coulometers |
| 11/16/1976 | US3992667 Electro-thermal readout coulometer |
| 08/24/1976 | US3976941 Auto-ranging system for an electronic energy meter |
| 05/25/1976 | USRE28832 Coulometric metering device |
| 04/27/1976 | US3953795 Transformerless kilowatthour meter for an electrical power line |
| 03/30/1976 | US3947763 C-MOS electronic kWh meter and method for metering electrical energy |
| 03/02/1976 | US3942110 Analog to pulse rate converter |
| 02/24/1976 | US3940735 Device to indicate need to service or inspect a motor vehicle |