Measuring and testing – Hardness – By penetrator or indentor
Reexamination Certificate
2006-12-13
2009-11-17
Fitzgerald, John (Department: 2856)
Measuring and testing
Hardness
By penetrator or indentor
C073S085000
Reexamination Certificate
active
07617718
ABSTRACT:
The present invention includes a device and method for more particularly evaluating the compaction of soil by automating the use of a prior art dynamic cone penetrometer such that user error and error caused by field conditions are eliminated. Recordation of penetrometer data previously not recorded is made more precise by the present invention such that standardized measurement results. The device further includes means for facilitating the determination of compaction of soils through keyhole openings and a means for automating the collection and processing of the generated compaction data.
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Herrick et al., “A Dynamic Cone Penetrometer for Measuring Soil Penetration Resistance,” Soil Sci. Soc. Am. J., 66:1320-1324 (2002).
Jones et al.: “Guide to Sampling Soil Compaction Using Hand-Held Soil Penetrometers,” Ctr. Env. Mgmt of Mil. Lands., Jan. 2004.
Farrag Khalid A.
Kinast John Arthur
Todres H. A. (Alan)
Fitzgerald John
Husch Blackwell Sanders Welsch & Katz
Pavlik George S.
Sandy Golgart Sales Inc.
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