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

Measuring pad arrangement for a logging sonde

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

Measuring resistivity changes from within a first cased well to

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

Metal detection apparatus

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

Metal detection apparatus with basket

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

Metal detection system and process using a high voltage to produ

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

Metal detection system with a magnetometer head coupleable...

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

Metal detector

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

Metal detector

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

Metal detector and classifier with automatic compensation for so

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

Metal detector and discriminator using differentiation for backg

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

Metal detector and method in which mineralization effects...

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

Metal detector apparatus utilizing controlled phase response to

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

Metal detector circuit having automatic tuning with multiple rat

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

Metal detector circuit having momentary disabled output

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

Metal detector circuit having selectable exclusion range for unw

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

Metal detector circuit with mode selection and automatic tuning

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

Metal detector employing static discrimination

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

Metal detector for detecting and discriminating between ferrous

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

Metal detector for identifying target electrical characteristics