LandOfFree - US Patents - Listing for Electricity: measuring and testing,Of geophysical surface or subsurface in situ

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Soil electrode assembly for protecting and supporting an electro

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – For small object detection or location

Sonde locator

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Sonde of electrodes on an earth drill for measuring the electric

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – For small object detection or location

Sonde with replaceable electronics and a rotatable, tubular inne

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Source arrangement and method for generating electromagnetic...

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter

Spatial frequency method and apparatus for investigating earth c

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter

Specific dielectric constant calibration method for an...

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Spontaneous potential log apparatus with randomly occurring nois

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Spontaneous potential measurement apparatus connected between me

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Standoff compensation for imaging in oil-based muds

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Static correction for magnetotelluric data

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – For small object detection or location

Step current inductive antenna for pulse inductive metal...

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Subsurface conductivity imaging systems and methods

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Subsurface conductivity imaging systems and methods

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Subsurface electromagnetic measurements using cross-magnetic...

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter

Subsurface imagery for temperature measurement and fluid...

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter

Subsurface monitoring and borehole placement using a...

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – By magnetic means

Subterranean target location by measurement of time-varying magn

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter

Superconducting conductivity anomaly detection system