Devices and methods for sampling groundwater
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United States of America Patent
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Jul 1, 2008
Grant Date -
May 25, 2006
app pub date -
Aug 10, 2005
filing date -
Nov 19, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Some embodiments of the present invention are related to devices and methods for sampling groundwater at multiple target depths, wherein each of the devices for sampling groundwater at multiple target depths comprises: a hammer part having a spring for generating inertia and a hammer connected to the spring; a sampling needle part having a needle integral with a impacting part impacted with the hammer; a guiding part for moving the sampling needle part in straight and downward direction; and a sampled water containing part having a sampled water container for collecting the sampled water through the needle.
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