|
2015
|
Invention
|
Device and method for detecting unexploded ordinance in mineralized soil.
A detector for detecti... |
|
2014
|
Invention
|
Dual coil for electromagnetic sounding of layered earth. Methods and systems for measuring subsur... |
|
2009
|
Invention
|
Multiple receiver coil dual mode electromagnetic detector. An electromagnetic detection system co... |
|
2008
|
Invention
|
Combined electromagnetic sensor and magnetometer. A combined electromagnetic and magnetometer det... |
|
|
Invention
|
Ground conductivity meter with automatic calibration. A ground conductivity meter that includes a... |
|
2002
|
Invention
|
Apparatus for measuring terrain conductivity. A conductivity meter for measuring conductivity of ... |
|
1999
|
Invention
|
Discrimination of metallic targets in magnetically susceptible soil. A method is disclosed for di... |
|
1998
|
Invention
|
Frequency domain electromagnetic geophysical mapping instruments. A frequency domain electromagne... |
|
1995
|
Invention
|
Method for detecting buried high conductivity objects including scaling of voltages for eliminati... |
|
1991
|
Invention
|
Method and apparatus for surveying terrain resistivity. Terrain resistivity is mapped by collecti... |
|
1990
|
Invention
|
Method and apparatus for surveying terrain resistivity utilizing available vfl electromagnetic fi... |
|
1976
|
Invention
|
Method and apparatus for measuring terrain resistivity. Apparatus is provided which may be made p... |
