173324 ⎘
Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils the emitter and the receiver coils or loops being uncoupled by positioning them perpendicularly to each other
CONCEALED METAL DETECTION SYSTEM
#2METHOD AND APPARATUS FOR AUTONOMOUS GRAVITY AND/OR MAGNETIC FIELD MEASUREMENT
#3System and method for a security post
#4System and method for detecting objects
#5Metal detector coil configuration to eliminate orientation effect
#6Detecting and compensating for magnetic interference in electromagnetic (EM) positional tracking
#7Device and method for detecting electrically conducting objects to be measured in a ground
#8METHOD FOR MEASURING THE BURIAL DEPTH OF A LINE AND DEVICE
#9Low-frequency receiver coil suspension system
#10Low-frequency receiver coil suspension system
#11Device and method for detecting an article
#12Current sensor including a first current sensor and a second current sensor unit
#13Utility locators with retractable support structures and applications thereof
#14Foreign object detection device
#15Homogeneous inversion for multi-component induction tools
#16Apparatus and methods to find a position in an underground formation
#17Full tensor micro-impedance imaging
#18Multi-axial induction borehole imager
#19Term by term gain calibration of triaxial propagation measurements
#20Omni-inducer transmitting devices and methods
#21Apparatus for and method of detecting a conductive object
#22Omni-inducer
#23Omni-inducer
#24Utility locator apparatus and methods
#25Utility locators with retractable support structures and applications thereof
#26Omni-inducer transmitting devices and methods