Measuring and testing – Sampler – sample handling – etc. – Plural parallel systems
Reexamination Certificate
2008-07-01
2008-07-01
Noland, Thomas P (Department: 2856)
Measuring and testing
Sampler, sample handling, etc.
Plural parallel systems
C073S864660, C073S864670, C175S308000, C166S264000, C166S165000
Reexamination Certificate
active
07392719
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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patent: 5520046 (1996-05-01), Sornein et al.
patent: 5662166 (1997-09-01), Shammai
patent: 6557632 (2003-05-01), Cernosek
patent: 7178415 (2007-02-01), Britt
patent: 10-2004-0046802 (2004-06-01), None
Kim Tae Hee
Kim Yong Je
Lee Bong Joo
Korea Institute of Geoscience and Mineral Resources
Michael Best & Friedrich
Noland Thomas P
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