LandOfFree - US Patents - Listing for Electricity: measuring and testing,Measuring, testing, or sensing electricity, per se,Plural ranges, scales or registration rates

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Clutch mechanism for time of day watthour meter registers

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Combined display and range selector for use with digital instrum

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Compensating for power outrage in electric energy meter

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Connector for measuring apparatus

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Consumption meter for accumulating digital power consumption sig

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Convertible multirate dial register for energy consumption meter

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Current attenuator useful in a very low leakage current measurin

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Demand meter including means for selectively controlling the len

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Device and method for measuring a first voltage and a second...

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Reexamination Certificate

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Device with automatic compensation of an ac attenuator

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Digital AC meter

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Digital color display system

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Digital measuring method and apparatus for a quasi-analog measur

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Digital meter

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Digital multimeter having visible light communication port

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Reexamination Certificate

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Digital multimeter with microprocessor control

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Digital multimeter with more closely spaced ranges

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Digital multimeter with variable color range indication

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Digital panel meter

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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Digital panel meter

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates

Patent

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