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Class Information
Number: 324/694
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 > To determine water content
Description: Subject matter including measurement of the water content of the object or substance being tested.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7609074 |
Electronic moisture tester |
Oct. 27, 2009 |
| 7564250 |
Pulsed methods and systems for measuring the resistance of polarizing materials |
Jul. 21, 2009 |
| 7535237 |
Sensor for measuring moisture and salinity |
May. 19, 2009 |
| 7521944 |
System and method for detecting fluid in terminal block area of field device |
Apr. 21, 2009 |
| 7516002 |
Rain sensor for detecting rain or other material on window of a vehicle or on other surface |
Apr. 7, 2009 |
| 7498823 |
Physical quantity, particularly humidity detection device, and related detecting method |
Mar. 3, 2009 |
| 7494567 |
Combined paper sheet temperature and moisture sensor |
Feb. 24, 2009 |
| 7482820 |
Sensor for measuring moisture and salinity |
Jan. 27, 2009 |
| 7463040 |
Multifunctional conducting polymer structures |
Dec. 9, 2008 |
| 7459920 |
Method of and apparatus for non-destructively measuring moisture content of dried objects |
Dec. 2, 2008 |
| 7453271 |
Apparatus and method for sensing water within a fuel-water separator assembly |
Nov. 18, 2008 |
| 7436187 |
Conductance control for detecting foam and/or an unstable fluid line |
Oct. 14, 2008 |
| 7414408 |
Thin deck water property sensor |
Aug. 19, 2008 |
| 7408364 |
Sensor for measuring moisture and salinity |
Aug. 5, 2008 |
| 7403019 |
Apparatus and method of water absorption test for generator stator winding insulator using cross capacitance |
Jul. 22, 2008 |
| 7376368 |
Water content determination apparatus, image forming apparatus, control method, and program |
May. 20, 2008 |
| 7345491 |
Clothes dryer moisture sensing circuit |
Mar. 18, 2008 |
| 7327132 |
Testing procedure for evaluating diffusion and leakage currents in insulators |
Feb. 5, 2008 |
| 7239246 |
System and method for detecting water leakage |
Jul. 3, 2007 |
| 7194781 |
Windscreen wiper device with life span indicator |
Mar. 27, 2007 |
| 7154282 |
System and method for calibrating moisture meters with associated settable slurry products for determining relative dryness |
Dec. 26, 2006 |
| 7087019 |
Apparatus for testing skin moisture |
Aug. 8, 2006 |
| 7048827 |
Dynamic calibration of papermaking machine |
May. 23, 2006 |
| 7038470 |
Parallel-plate capacitive element for monitoring environmental parameters in concrete |
May. 2, 2006 |
| 7030630 |
Moisture sensor with capacitive moisture measuring element and method of determining air humidity |
Apr. 18, 2006 |
| 7019541 |
Electric conductivity water probe |
Mar. 28, 2006 |
| 6987395 |
Dryness measurement device |
Jan. 17, 2006 |
| 6982562 |
Multiple frequency grain moisture sensor for combines |
Jan. 3, 2006 |
| 6963205 |
Electrically measuring soil dry density |
Nov. 8, 2005 |
| 6946967 |
Protective device for an electric motor with sensor and evaluation unit |
Sep. 20, 2005 |
| 6906534 |
Breathable moisture barrier for an occupant sensing system |
Jun. 14, 2005 |
| 6894512 |
Method for detecting hidden corrosion and a sensor for use in the same |
May. 17, 2005 |
| 6854322 |
Directional coupler sensor |
Feb. 15, 2005 |
| 6853305 |
Air-conduit condensation sensor |
Feb. 8, 2005 |
| 6822460 |
Method and apparatus for detecting a dry/wet state of a thermistor bead using temperature compensation |
Nov. 23, 2004 |
| 6806722 |
Polymer-type humidity sensor |
Oct. 19, 2004 |
| 6799471 |
System and method for conditioning and detection of moisture damage in asphalt mixes |
Oct. 5, 2004 |
| 6798215 |
System and method for measuring moisture content in a conductive environment |
Sep. 28, 2004 |
| 6789474 |
Water content sensing system for ink/water emulsion of lithographic printer |
Sep. 14, 2004 |
| 6700395 |
Soil moisture indicator device |
Mar. 2, 2004 |
| 6686751 |
Method and apparatus for detecting negative ion in water |
Feb. 3, 2004 |
| 6664796 |
Water contamination sensing algorithms for ethanol containing fuel |
Dec. 16, 2003 |
| 6637259 |
Portable grain moisture meter |
Oct. 28, 2003 |
| 6621263 |
High-speed corrosion-resistant rotating cylinder electrode system |
Sep. 16, 2003 |
| 6605947 |
Cup shape sensible container for detecting liquid property |
Aug. 12, 2003 |
| 6603319 |
Water immersion detecting circuit |
Aug. 5, 2003 |
| 6577143 |
Apparatus and method for determining a drying time of a piece of wood |
Jun. 10, 2003 |
| 6568249 |
Test method and apparatus for determining the surface saturated dry condition of aggregates |
May. 27, 2003 |
| 6559659 |
Matric soil moisture sensing device |
May. 6, 2003 |
| 6499338 |
Moisture management of textiles |
Dec. 31, 2002 |
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