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Class Information
Number: 73/23.31
Name: Measuring and testing > Gas analysis > Gas of combustion
Description: Subject matter wherein the gas being tested is the product of a combustion process.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7607340 |
Gas sensor |
Oct. 27, 2009 |
| 7596993 |
Diagnostic method and apparatus for gas sensor |
Oct. 6, 2009 |
| 7589280 |
Electrical connector assembly |
Sep. 15, 2009 |
| 7587951 |
Thermophoresis-resistant gas dilution apparatus for use in emissions analysis |
Sep. 15, 2009 |
| 7582197 |
Gas concentration measuring apparatus with failure monitor |
Sep. 1, 2009 |
| 7581428 |
Sensor system and method |
Sep. 1, 2009 |
| 7578925 |
System and method for updating a baseline output of a gas sensor |
Aug. 25, 2009 |
| 7580808 |
Onboard trip computer for emissions subject to reduction credits |
Aug. 25, 2009 |
| 7574307 |
Engine exhaust emissions measurement correction |
Aug. 11, 2009 |
| 7562556 |
Cleaning system and method for continuous emissions monitoring equipment |
Jul. 21, 2009 |
| 7549317 |
Particle-based flow sensor |
Jun. 23, 2009 |
| 7549284 |
Diagnostic device and method of engine exhaust purifying system |
Jun. 23, 2009 |
| 7549350 |
Dilution tunnel |
Jun. 23, 2009 |
| 7550126 |
NO.sub.x augmentation in exhaust gas simulation system |
Jun. 23, 2009 |
| 7546758 |
Anti-corrosion structure of gas sensor |
Jun. 16, 2009 |
| 7537737 |
Installation structure for gas sensor |
May. 26, 2009 |
| 7534332 |
Gas sensor manufacturing process, and gas sensor |
May. 19, 2009 |
| 7527718 |
Method of treating gas sensor element |
May. 5, 2009 |
| 7528607 |
Measurement of CN emissions from engine spark igniter for characterization of spark igniter energy |
May. 5, 2009 |
| 7523641 |
Method to measure exhaust-gas components |
Apr. 28, 2009 |
| 7524407 |
Gas sensor |
Apr. 28, 2009 |
| 7506534 |
Gas sensor and method of manufacturing the gas sensor |
Mar. 24, 2009 |
| 7497138 |
System and method for improving performance of a fluid sensor for an internal combustion engine |
Mar. 3, 2009 |
| 7497933 |
Gas sensor |
Mar. 3, 2009 |
| 7493796 |
Sensor for determining a physical property of a test gas |
Feb. 24, 2009 |
| 7490505 |
Methods and systems for predicting emissions |
Feb. 17, 2009 |
| 7484402 |
Gas sensor |
Feb. 3, 2009 |
| 7472578 |
Gas sensor |
Jan. 6, 2009 |
| 7461538 |
Sensor and method of producing sensor |
Dec. 9, 2008 |
| 7454951 |
Gas sensor |
Nov. 25, 2008 |
| 7454950 |
Vehicle exhaust gas analyzer |
Nov. 25, 2008 |
| 7454949 |
Gas sensor and method for production thereof |
Nov. 25, 2008 |
| 7445700 |
Gas sensor and nitrogen oxide sensor |
Nov. 4, 2008 |
| 7438791 |
Concentration detector |
Oct. 21, 2008 |
| 7428838 |
Calibration for an oil-consumption-measurement system |
Sep. 30, 2008 |
| 7427347 |
Method for operating a measuring probe for measuring a gas concentration |
Sep. 23, 2008 |
| 7416650 |
Gas concentration measuring apparatus |
Aug. 26, 2008 |
| 7412873 |
Method for positioning a measuring sensor in a honeycomb body, corresponding honeycomb body, and motor vehicle |
Aug. 19, 2008 |
| 7406854 |
Gas sensor |
Aug. 5, 2008 |
| 7406855 |
Method and a sensor device for measuring particle emissions from the exhaust gases of a combustion engine |
Aug. 5, 2008 |
| 7402800 |
Method and device for the continuous determination of damage to systems used for the post-treatment of heat engine exhaust gases |
Jul. 22, 2008 |
| 7398673 |
Gas sensor and method of manufacturing the gas sensor |
Jul. 15, 2008 |
| 7399118 |
Thermal gas flowmeter comprising a gas quality indicator |
Jul. 15, 2008 |
| 7377149 |
Sensor |
May. 27, 2008 |
| 7377154 |
Monitoring of exhaust gas limiting values |
May. 27, 2008 |
| 7351318 |
Gas sensing element |
Apr. 1, 2008 |
| 7343778 |
Measurement of automobile exhaust flow |
Mar. 18, 2008 |
| 7342505 |
Gas detection apparatus and method for controlling gas sensor |
Mar. 11, 2008 |
| 7341650 |
Method of manufacturing sensor and sensor |
Mar. 11, 2008 |
| 7340940 |
Particulate deposit avoidance and probe positioning |
Mar. 11, 2008 |
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