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