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

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Differential protection device

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

Reexamination Certificate

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Differential protection device including a rectifier and a toroi

Electricity: electrical systems and devices – Safety and protection of systems and devices – With tuned circuit

Patent

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Differential protection device of a power transformer

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

Patent

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Differential protective relay

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

Patent

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Differential protective relay apparatus

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

Patent

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Differential protective relay apparatus

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

Patent

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Differential protective relay for electrical buses with...

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

Reexamination Certificate

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Differential relay for protecting an electrical power transmissi

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

Patent

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Differential shunt-type protection circuit

Electricity: electrical systems and devices – Safety and protection of systems and devices – Circuit automatically reconnected only after the fault is...

Patent

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Differential transformer

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

Patent

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Differential transformer core for pulse currents

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

Patent

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Differential-type protective relay

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Diffusion capacitor for actively triggered ESD clamp

Electricity: electrical systems and devices – Safety and protection of systems and devices – Load shunting by fault responsive means

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Digital calculation type differential relay

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Digital circuit interrupter shunt trip accessory module

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

Patent

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Digital circuit interrupter shunt trip accessory module

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Digital circuit interrupter shunt trip control circuit

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Digital circuit interrupter thermal protection circuit

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Digital circuit interrupter undervoltage release accessory

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

Patent

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Digital circuit interrupter with an improved sampling algorithm

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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