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 – Circuit interruption by thermal sensing

Electrical surge protector with thermal disconnect

Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation

Electrical surge suppressor

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

Electrical surge suppressor and dual indicator apparatus

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

Electrical surge suppressor and dual indicator apparatus

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

Electrical switch and circuitry for appliance

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

Electrical switches comprising arrangement of mechanical switche

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

Electrical switches with current protection interfaced with a re

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

Electrical switchgear

Electricity: electrical systems and devices – Safety and protection of systems and devices – Motor protective condition responsive circuits

Electrical switching apparatus

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

Electrical switching apparatus employing a circuit for selective

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

Electrical switching apparatus employing battery-powered indicat

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

Electrical switching apparatus employing interlocks for first an

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

Electrical switching apparatus employing twice-energized trip ac

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

Electrical switching apparatus including a second trip...

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

Electrical switching apparatus including glowing contact...

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

Electrical switching apparatus with digital trip unit and automa

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

Electrical switching apparatus with digital trip unit and memory

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

Electrical switching device or trip unit acquiring predetermined

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

Electrical system like a testing system for testing the...