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

Electricity: measuring and testing – Conductor identification or location – Inaccessible

Ohmmeter for circuits carrying unknown currents

Electricity: measuring and testing – Electrolyte properties – Using a conductivity determining device

Oil and fuel contamination monitoring system

Electricity: measuring and testing – Magnetic – Magnetic sensor within material

Oil and gas well tubular inspection system using hall effect...

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters

Oil condition sensor

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters

Oil condition sensor

Electricity: measuring and testing – Electrolyte properties – Using a ph determining device

Oil condition sensor and method for making the same

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters

Oil condition trend algorithm

Electricity: measuring and testing – Conductor identification or location – Inaccessible

Oil detecting device

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

Oil detector

Electricity: measuring and testing – Electrolyte properties – Using a ph determining device

Oil deterioration detection apparatus

Electricity: measuring and testing – Electrolyte properties – Using a ph determining device

Oil deterioration detector

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters

Oil deterioration sensor

Electricity: measuring and testing – Conductor identification or location – Inaccessible

Oil leakage sensor element

Electricity: measuring and testing – Conductor identification or location – Inaccessible

Oil mist dectector

Electricity: measuring and testing – Conductor identification or location – Inaccessible

Oil mist detection method and apparatus

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element

Oil monitor with magnetic field

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters

Oil monitor with magnetic field

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters

Oil monitoring system

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters

Oil quality measurement device