LandOfFree - US Patents - Listing for Electricity: measuring and testing,Measuring, testing, or sensing electricity, per se

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Fault indicator circuit

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With coupling means

Patent

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Fault indicator having a remote test point at which fault occurr

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Nonquantitative

Patent

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Fault indicator having improved trip inhibit circuit

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Nonquantitative

Patent

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Fault indicator having remote light indication of fault detectio

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Nonquantitative

Patent

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Fault indicator including a reed relay responsive to above norma

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage

Patent

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Fault indicator operable from a remote excitation source through

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With coupling means

Patent

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Fault indicator responsive to flow of fault current in a conduct

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Nonquantitative

Patent

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Fault indicator testing apparatus

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage

Patent

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Fault indicator with auto-configuration for overhead or...

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With coupling means

Reexamination Certificate

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Fault indicator with automatically configured trip settings

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With coupling means

Reexamination Certificate

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Fault indicator with combined trip and reset winding

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Nonquantitative

Patent

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Fault indicator with flux concentrating means

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Nonquantitative

Patent

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Fault indicator with hot stick clamping mechanism

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With coupling means

Patent

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Fault indicator with inrush restraint

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Nonquantitative

Patent

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Fault indicator with optically-isolated remote readout circuit

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Using radiant energy

Patent

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Fault isolator for electric utility distribution systems

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage

Patent

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Fault locating arrangement for a two-way repeatered transmission

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage

Patent

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Fault locating system for electric cables and the like

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage

Patent

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Fault location methods and apparatus using current pulse injecti

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage

Patent

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Fault location methods and apparatus using current pulse injecti

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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