Probe system for measuring the condition of materials

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United States of America Patent

PATENT NO 4757252
SERIAL NO

06791303

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A probe comprises a plurality of longitudinally extended conductors forming a probe electrode, a laterally displaced ground electrode and two laterally displaced active guard electrodes interposed between the probe electrode and the ground electrode. The conductors are surrounded by solid insulation and the probe guard electrodes are driven at substantially the same potential as the probe electrode. The probe is utilized to measure the condition of materials in which the probe is immersed.

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Patent Owner(s)

  • DREXELBROOK CONTROLS, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Maltby, Frederick L Jenkintown, PA 19 310
Meacham, Jr Thomas E Holland, PA 4 64
Petersen, Steven R Ambler, PA 10 110
Woerner, Edward R North Wales, PA 1 28

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