|
| Patents for G01R 21 - Arrangements for measuring electric power or power factor (6,609) |
|---|
| 04/27/1976 | US3953795 Transformerless kilowatthour meter for an electrical power line | | 04/20/1976 | US3951389 Elastomer processing method | | 03/30/1976 | US3947763 C-MOS electronic kWh meter and method for metering electrical energy | | 03/30/1976 | US3947762 Process and apparatus for measuring the apparent power fed to an alternating current consumer | | 03/16/1976 | US3944852 Electrical switching device and modulator using same | | 03/09/1976 | US3943440 Sensitivity coding circuit for an electronic instrument | | 03/02/1976 | US3942110 Analog to pulse rate converter | | 02/17/1976 | US3939413 Low cutoff digital pulse filter especially useful in electronic energy consumption meters | | 01/20/1976 | US3934198 Multi-wire electronic kWh meter |
|