2015
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Invention
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Device and method for detecting unexploded ordinance in mineralized soil. A detector for detectin... |
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Invention
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Device and method for detecting unexploded ordinance in mineralized soil.
A detector for detecti... |
2014
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Invention
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Dual coil for electromagnetic sounding of layered earth. Methods and systems for measuring subsur... |
2009
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Invention
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Multiple receiver coil dual mode electromagnetic detector. An electromagnetic detection system co... |
2008
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Invention
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Combined electromagnetic sensor and magnetometer. A combined electromagnetic and magnetometer det... |
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Invention
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Ground conductivity meter with automatic calibration. A ground conductivity meter that includes a... |
2003
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Invention
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Apparatus for measuring terrain conductivity. A conductivity meter for measuring conductivity of ... |
2000
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Invention
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Improvements in the discrimination of metallic targets in magnetically susceptible soil. A method... |
1999
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Invention
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Electromagnetic geophysical mapping instruments. An electromagnetic geophysical mapping instrumen... |
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Invention
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Discrimination of metallic targets in magnetically susceptible soil. A method is disclosed for di... |
1998
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Invention
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Frequency domain electromagnetic geophysical mapping instruments. A frequency domain electromagne... |
1997
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Invention
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Improvements in time-domain electromagnetic geophysical mapping instruments. In a time domain ele... |
1995
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Invention
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Method for detecting buried high conductivity objects including scaling of voltages for eliminati... |
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Invention
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Method of detecting buried high conductivity objects. A method for surveying terrain uses transie... |
1991
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Invention
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Method and apparatus for surveying terrain resistivity. Terrain resistivity is mapped by collecti... |
1990
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Invention
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Method and apparatus for surveying terrain resistivity utilizing available vfl electromagnetic fi... |
1982
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Invention
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Electromagnetic geophysical surveying system. ABSTRACT A frequency domain geophysical electromagn... |
1976
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Invention
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Method and apparatus for measuring terrain resistivity. Apparatus is provided which may be made p... |
1969
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Invention
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Loudspeaker |
1966
|
Invention
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Electromagnetic prospecting apparatus |