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

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Watchdog circuit for transmission line sensor module

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

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Water cut monitoring means and method

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

Patent

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Water moisture measuring instrument and method

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

Patent

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Water resistance load system

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

Patent

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Water resistance load system

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

Patent

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Water-compensated open fault locator

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

Patent

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Watt and var transducer

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

Patent

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Watt hour meter

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

Patent

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Watt hour meter registration calibration method and apparatus

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

Patent

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Watt meter providing electrical signal proportional to power

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

Patent

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Watt-hour counter

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

Patent

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Watt-hour meter

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

Patent

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Watt-hour meter cover with battery hatch reset switch and optica

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

Patent

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Watt-hour meter cover with battery hatch/reset switch and optica

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

Patent

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Watt-hour meter with communication on diagnostic error detection

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

Patent

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Watt-hour meter with digital per-phase power factor...

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

Reexamination Certificate

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Watt/watt hour transducer having current signals and a modulator

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

Patent

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Watt/watthour transducer and amplifier-filter therefor

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

Patent

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Watt/watthour transducer and integrator and current sources ther

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

Patent

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Watthour meter and battery retaining apparatus therefor

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

Patent

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