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Class Information
Number: 205/781
Name: Electrolysis: processes, compositions used therein, and methods of preparing the compositions > Electrolytic analysis or testing (process and electrolyte composition) > For nitrogen or nitrogen containing compound > Including nitrogen oxide (e.g., gaseous nitrogen dioxide, dissolved sodium nitrate, etc.)
Description: Subject matter in which the material is analyzed or tested for a nitrogen oxide (e.g., gaseous nitrogen dioxide, dissolved sodium nitrate, etc.).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7611613 |
High temperature total NO.sub.x sensor |
Nov. 3, 2009 |
| 7611612 |
Multilayer ceramic NO.sub.x gas sensor device |
Nov. 3, 2009 |
| 7608176 |
Gas concentration detecting apparatus |
Oct. 27, 2009 |
| 7585402 |
Method of sensor conditioning for improving signal output stability for mixed gas measurements |
Sep. 8, 2009 |
| 7582196 |
Laminated membranes for diffusion limited gas sensors resistant to pressure variations |
Sep. 1, 2009 |
| 7578925 |
System and method for updating a baseline output of a gas sensor |
Aug. 25, 2009 |
| 7537678 |
Detecting electrode and nitrogen oxide sensor using the same |
May. 26, 2009 |
| 7462266 |
Apparatus for detecting concentration of nitrogen oxide |
Dec. 9, 2008 |
| 7455761 |
Nitrogen oxide sensor with attenuated oxygen dependence of the NOx signal |
Nov. 25, 2008 |
| 7427347 |
Method for operating a measuring probe for measuring a gas concentration |
Sep. 23, 2008 |
| 7351318 |
Gas sensing element |
Apr. 1, 2008 |
| 7320746 |
Concentration detector |
Jan. 22, 2008 |
| 7309415 |
Gas sensor and method for measuring a gas component in a gas mixture |
Dec. 18, 2007 |
| 7294252 |
NOx sensor and methods of using the same |
Nov. 13, 2007 |
| 7288175 |
Noiseless gas concentration measurement apparatus |
Oct. 30, 2007 |
| 7252748 |
NOx measurement apparatus |
Aug. 7, 2007 |
| 7220343 |
Solid-state electrochemical NO.sub.x sensors |
May. 22, 2007 |
| 7217355 |
No.sub.x gas sensor method and device |
May. 15, 2007 |
| 7160435 |
Gas sensor and method for controlling the same |
Jan. 9, 2007 |
| 7156966 |
Nox-decomposing electrode and NOx concentration-measuring apparatus |
Jan. 2, 2007 |
| 7153401 |
Current-biased potentiometric NOx sensor for vehicle emissions |
Dec. 26, 2006 |
| 7153402 |
NOx-decomposing electrode and NOx concentration-measuring apparatus |
Dec. 26, 2006 |
| 7153412 |
Electrodes, electrochemical elements, gas sensors, and gas measurement methods |
Dec. 26, 2006 |
| 7114325 |
Control system with a sensor |
Oct. 3, 2006 |
| 7052595 |
Gas sensor for determining the concentration of gas components in gas mixtures and use thereof |
May. 30, 2006 |
| 7001495 |
Gas component sensor for gas oxides |
Feb. 21, 2006 |
| 6923902 |
Methods and apparatus for measuring NOx gas concentration, for detecting exhaust gas concentration and for calibrating and controlling gas sensor |
Aug. 2, 2005 |
| 6922639 |
Gas concentration detecting apparatus |
Jul. 26, 2005 |
| 6911140 |
Gas sensor element and method for determining the concentration of a gas component in a gas mixture |
Jun. 28, 2005 |
| 6849174 |
Gas concentration measuring apparatus designed to minimize error component contained in output |
Feb. 1, 2005 |
| 6843900 |
Potentiometric NOx sensors based on yttria-stabilized zirconia with zeolite modified electrode |
Jan. 18, 2005 |
| 6824661 |
Combined oxygen and NOx sensor |
Nov. 30, 2004 |
| 6808618 |
Chemical sensing apparatus and methods |
Oct. 26, 2004 |
| 6773565 |
NOx sensor |
Aug. 10, 2004 |
| 6767449 |
Method for operating a sensor for determining the concentration of oxidizing gases in gas mixtures |
Jul. 27, 2004 |
| 6764591 |
Potentiometric sensors comprising yttria-stabilized zirconia and measurement method of total NOx sensing without CO interference |
Jul. 20, 2004 |
| 6743352 |
Method and apparatus for correcting a gas sensor response for moisture in exhaust gas |
Jun. 1, 2004 |
| 6699383 |
Method for determining a NOx concentration |
Mar. 2, 2004 |
| 6695964 |
Method and apparatus for measuring NOx gas concentration |
Feb. 24, 2004 |
| 6689266 |
NOx concentration-measuring apparatus |
Feb. 10, 2004 |
| 6673223 |
Gas sensing and oxygen pumping device, and apparatus using the same |
Jan. 6, 2004 |
| 6656337 |
Gas concentration measuring apparatus compensating for error component of output signal |
Dec. 2, 2003 |
| 6645367 |
Method for determining a nitrogen oxide concentration |
Nov. 11, 2003 |
| 6645361 |
Electrochemical gas sensor |
Nov. 11, 2003 |
| 6635162 |
Gas sensor |
Oct. 21, 2003 |
| 6635161 |
NOx sensor control circuit unit and NOx sensor system using the same |
Oct. 21, 2003 |
| 6623618 |
Gas sensor and method for controlling the same |
Sep. 23, 2003 |
| 6623617 |
Method and apparatus for measuring concentration of a component in a gas |
Sep. 23, 2003 |
| 6607643 |
NOx gas detecting apparatus |
Aug. 19, 2003 |
| 6605202 |
Electrodes for solid state gas sensor |
Aug. 12, 2003 |
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