LandOfFree - US Patents - Listing for Electricity: measuring and testing

Electricity: measuring and testing – Testing potential in specific environment

Lightning detection and data acquisition system

Electricity: measuring and testing – Testing potential in specific environment

Lightning detection and data acquisition system

Electricity: measuring and testing – Testing potential in specific environment – Voltage probe

Lightning detection apparatus and methodology

Electricity: measuring and testing – Testing potential in specific environment – Voltage probe

Lightning detection system utilizing triangulation and field amp

Electricity: measuring and testing – Testing potential in specific environment

Lightning detector

Electricity: measuring and testing – Testing potential in specific environment – Voltage probe

Lightning discharge identification system

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

Lightning ground system attachable admittance testing instrument

Electricity: measuring and testing – Testing potential in specific environment – Voltage probe

Lightning strike detector

Electricity: measuring and testing – Testing potential in specific environment – Voltage probe

Lightning warning system

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Inertia control – instrument damping and vibration damping

Limited rotation instrument rebalance apparatus employing a wipe

Electricity: measuring and testing – Electrolyte properties

Line card loss of battery detector

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

Line current detector

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – For fault location

Line diagnostics for wireline modems

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – For fault location

Line differential protection system for a power transmission...

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – For fault location

Line differential protection system for a power transmission...

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

Line fault discriminator

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

Line frequency deviation monitor

Electricity: measuring and testing – Magnetic – Displacement

Line hall effect detector and method of sensing angular...

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Calibration

Line impedance calibration using actual impedance determination