By employing soft switching techniques, i.e. commutation of transistors when applied voltage

Official title: {by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero (using an auxiliary actively switched resonant commutation circuit connected to an intermediate DC voltage or between two push-pull branches of an inverter bridge H02M7/4811; in resonant inverters H02M7/4815; in inverters operating from a resonant DC source H02M7/4826)}

H02M1/0058 (By employing soft switching techniques, i.e. commutation of transistors when applied voltage) appears on 2,748 US grants and 3,257 published applications in this corpus.