Measuring and testing – Moisture content or absorption characteristic of material
Reexamination Certificate
2007-05-29
2007-05-29
Williams, Hezron (Department: 2856)
Measuring and testing
Moisture content or absorption characteristic of material
Reexamination Certificate
active
10518282
ABSTRACT:
The invention provides a soil moisture content measurement system comprising a porous plate arranged to support a soil sample; a hanging water tube extending downwardly from the porous plate, the tube arranged to convey liquid toward and away from the porous plate; a measuring capillary tube in connection with the hanging water tube, the measuring capillary tube arranged to convey liquid toward and away from the hanging water tube; measurement apparatus configured to measure the movement of liquid within the measuring capillary tube; and a data memory configured to receive and store data from the measurement apparatus representing liquid movement measurements within the measuring capillary tube. The invention also provides a related method of measuring soil moisture content.
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Sirotkin V.V., Derwent Abstract Accession, Abstract and Drawing, SU 1807340 A1, No. 94-190806/23, Apr. 7, 1993.
Frank Rodney
Landcare Research New Zealand Limited
Marshall & Gerstein & Borun LLP
Williams Hezron
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