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

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

Electric light tester and unit operating device

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Meter protection or fraud combatting

Electric meter

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

Electric meter cover

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

Electric meter cover including an integrally molded optical...

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Demand – excess – maximum or minimum

Electric meter for mounting with a standard watthour meter

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

Electric meter having a detachable measuring bar

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

Electric meter having at least two display registers selected ac

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Meter protection or fraud combatting

Electric meter including a switch cover lockable in an open posi

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Meter protection or fraud combatting

Electric meter tamper detection circuit for sensing electric met

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Demand – excess – maximum or minimum

Electric meter with electronic rolling demand register

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

Electric meter with improved sensing head assembly

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

Electric potential sensor

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

Electric power cord with digital multimeter

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

Electric power detecting circuit and gain control circuit using

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

Electric power evaluation system and method thereof

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

Electric power measuring devices

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

Electric power measuring devices

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

Electric power measuring system

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Meter protection or fraud combatting

Electric power meter adjustment and indication method and appara