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Class Information
Number: 324/693
Name: Electricity: measuring and testing > Impedance, admittance or other quantities representative of electrical stimulus/response relationships > Lumped type parameters > Using resistance or conductance measurement > With object or substance characteristic determination using conductivity effects
Description: Subject matter including means to evaluate the properties of an object by measuring or testing its ability to conduct current.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7618825 |
Method for influencing and monitoring the oxide layer on metallic components of hot CO.sub.2/H.sub.20 cycle systems |
Nov. 17, 2009 |
| 7602196 |
Method to detect and locate a breach in a roof membrane |
Oct. 13, 2009 |
| 7550979 |
System and method for measuring conductivity of fluid |
Jun. 23, 2009 |
| 7518380 |
Chemical impedance detectors for fluid analyzers |
Apr. 14, 2009 |
| 7504834 |
Detection system |
Mar. 17, 2009 |
| 7504835 |
Electrochemical impedance measurement system and method for use thereof |
Mar. 17, 2009 |
| 7489141 |
Surface micro sensor and method |
Feb. 10, 2009 |
| 7483735 |
Apparatus and method for monitoring body composition by measuring body dielectric constant and body impedance based on the method of frequency digital sampling |
Jan. 27, 2009 |
| 7477060 |
Coating impedance monitoring system |
Jan. 13, 2009 |
| 7463040 |
Multifunctional conducting polymer structures |
Dec. 9, 2008 |
| 7459919 |
Device for checking light-metal parts |
Dec. 2, 2008 |
| 7459896 |
Electrode configuration for LiMCA |
Dec. 2, 2008 |
| 7456638 |
MEMS based conductivity-temperature-depth sensor for harsh oceanic environment |
Nov. 25, 2008 |
| 7414416 |
Electrical condition monitoring method for polymers |
Aug. 19, 2008 |
| 7414408 |
Thin deck water property sensor |
Aug. 19, 2008 |
| 7405577 |
Apparatus and method for distinguishing between flat objects |
Jul. 29, 2008 |
| 7362109 |
Gem tester using electrical photoconductivity |
Apr. 22, 2008 |
| 7362110 |
Measurement cell for liquids |
Apr. 22, 2008 |
| 7352191 |
Sensor assembly and method of forming the same |
Apr. 1, 2008 |
| 7309414 |
Method for measuring localized corrosion rate with a multi-electrode array sensor |
Dec. 18, 2007 |
| 7299682 |
Method and apparatus for estimating basicity of a used, all-loss cylinder lubricant |
Nov. 27, 2007 |
| 7295017 |
Method and system for calculating railroad track ballast resistance |
Nov. 13, 2007 |
| 7262067 |
Method for conductive film quality evaluation |
Aug. 28, 2007 |
| 7259566 |
Micro sensor system for liquid conductivity, temperature and depth |
Aug. 21, 2007 |
| 7250776 |
System for on-line assessment of the condition of a thermal coating on a turbine vane |
Jul. 31, 2007 |
| 7239155 |
Electrochemical impedance measurement system and method for use thereof |
Jul. 3, 2007 |
| 7239246 |
System and method for detecting water leakage |
Jul. 3, 2007 |
| 7235987 |
Sensor device using pair of resistive sensor controlled beat oscillators |
Jun. 26, 2007 |
| 7183778 |
Apparatus and method to measure fluid resistivity |
Feb. 27, 2007 |
| 7180302 |
Method and system for determining cracks and broken components in armor |
Feb. 20, 2007 |
| 7180307 |
Coaxial probe |
Feb. 20, 2007 |
| 7176692 |
Measuring probe for potentiometric measurements |
Feb. 13, 2007 |
| 7148707 |
Non-corrosive conductivity sensor unit for measuring conductivity of a fluid |
Dec. 12, 2006 |
| 7148706 |
Embeddable corrosion rate meters for remote monitoring of structures susceptible to corrosion |
Dec. 12, 2006 |
| 7141982 |
Estimation of leakage rates using voltage measurements |
Nov. 28, 2006 |
| 7132837 |
System and method for measuring conductivity on molecular level |
Nov. 7, 2006 |
| 7132831 |
Electrode configuration for resistivity sounding |
Nov. 7, 2006 |
| 7123031 |
System for on-line assessment of the condition of thermal coating on a turbine vane |
Oct. 17, 2006 |
| 7123030 |
Method and apparatus for detecting elevator rope degradation using electrical resistance |
Oct. 17, 2006 |
| 7088116 |
Optoelectronic probe |
Aug. 8, 2006 |
| 7084646 |
Method of detecting a gas bubble in a liquid |
Aug. 1, 2006 |
| 7043372 |
Fluid condition monitoring using broad spectrum impedance spectroscopy |
May. 9, 2006 |
| 7009404 |
Method and device for testing the ESD resistance of a semiconductor component |
Mar. 7, 2006 |
| 7005866 |
Apparatus and process for detecting condensation in a heat exchanger |
Feb. 28, 2006 |
| 6967489 |
Method and apparatus for controllably effecting samples using two signals |
Nov. 22, 2005 |
| 6894511 |
Extracellular recording multiple electrode |
May. 17, 2005 |
| 6861850 |
Device for measuring the internal resistance of a linear lambda probe |
Mar. 1, 2005 |
| 6859050 |
High frequency contactless heating with temperature and/or conductivity monitoring |
Feb. 22, 2005 |
| 6859049 |
Diagnostic complex for measurement of the condition of biological tissues and liquids |
Feb. 22, 2005 |
| 6854322 |
Directional coupler sensor |
Feb. 15, 2005 |
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