LandOfFree - US Patents - Listing for Electricity: electrical systems and devices,Safety and protection of systems and devices

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific voltage responsive fault sensor

Switchgear voltage sensor

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific circuit breaker or control structure

Switchgear with embedded electronic controls

Electricity: electrical systems and devices – Safety and protection of systems and devices – Arc suppression at switching point

Switching aid device

Electricity: electrical systems and devices – Safety and protection of systems and devices – Circuit interruption by thermal sensing

Switching apparatus

Electricity: electrical systems and devices – Safety and protection of systems and devices

Switching apparatus

Electricity: electrical systems and devices – Safety and protection of systems and devices – Arc suppression at switching point

Switching apparatus and method for varying an impedance of a...

Electricity: electrical systems and devices – Safety and protection of systems and devices – Feeder protection in distribution networks

Switching apparatus for devices for alternating current parallel

Electricity: electrical systems and devices – Safety and protection of systems and devices – Arc suppression at switching point

Switching circuit

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific voltage responsive fault sensor

Switching circuit

Electricity: electrical systems and devices – Safety and protection of systems and devices – Voltage regulator protective circuits

Switching circuit protection apparatus and method

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor

Switching control circuit and self-excited DC-DC converter

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor

Switching control circuit and self-excited DC-DC converter

Electricity: electrical systems and devices – Safety and protection of systems and devices – Arc suppression at switching point

Switching device

Electricity: electrical systems and devices – Safety and protection of systems and devices – Ground fault protection

Switching device and electric apparatus

Electricity: electrical systems and devices – Safety and protection of systems and devices – Transient responsive

Switching device for switching at a high operating voltage

Electricity: electrical systems and devices – Safety and protection of systems and devices – Automatic reclosing

Switching device for the short-circuit and overload protection o

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific quantity comparison means

Switching device having the capability of detecting an...

Electricity: electrical systems and devices – Safety and protection of systems and devices – Impedance insertion

Switching element and protection circuit using the same

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor

Switching element driving device and switching element...