85620267
May 9, 2012
Feb 11, 2014
Electrical inductors; low pass inductor filter used in high power electrical applications; electric voltage transformers; induction voltage regulators; medium voltage power distribution and protection component system composed of breakers and switchgears; static voltage regulators; voltage monitor modules; voltage regulators for electric power; voltage stabilizers; voltage surge protectors; voltage surge suppressors; electronic current wave rectifiers; electronic voltage optimizers; electronic instrument for determining circuit parameter measurements; metering and protection instruments for tracking and monitoring energy usage, namely, energy meters, energy demand indicators, power analyzer, power factor indicators and correctors, frequency meters, protection relays
Electrical and Scientific Apparatus