Automated soil measurement device

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United States of America Patent

PATENT NO 9146223
SERIAL NO

13794331

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Abstract

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A filtration system for a soil analysis device and methods of pressure filtration and automated cleaning are disclosed for generating filtrate used in measuring characteristics of a soil sample and preparing the filtration system for repeated measurements. A mixing chamber combines a soil sample and an extractant into a liquid mixture. The filtration system receives and pressure filters the liquid mixture to quickly generate filtrate used to measure characteristics of the sample. The filtrate is passed to a measurement cell for analysis. Once the analysis is complete, the filtration system performs a cleaning process in preparation to receive a subsequent liquid mixture from another soil sample.

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Patent Owner(s)

  • WINFIELD SOLUTIONS, LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gerber-Siff, Bevan San Francisco, US 6 48
Koshnick, Nicholas Carleton Palo Alto, US 13 94
Preiner, Michael John Palo Alto, US 13 99
Prouty, Stephen San Jose, US 17 96
Tirrell, Robert Mountain View, US 3 14
White, Justin Stewart Palo Alto, US 13 99

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