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Browse by Category: Main > Chemistry
Class Information
Number: 204/426
Name: Chemistry: electrical and wave energy > Apparatus > Electrolytic > Analysis and testing > Solid electrolyte > Gas sample sensor > Planar electrode surface
Description: Apparatus in which the sensing element is generally flat.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Patent Number Title Of Patent Date Issued
8105470 Sensor Jan. 31, 2012
8097137 Gas sensor element and gas sensor Jan. 17, 2012
8097139 Sensor element, gas sensor, and method of manufacturing the sensor element Jan. 17, 2012
8088264 Gas sensor element and gas sensor Jan. 3, 2012
8052854 Carbon dioxide gas sensors and method of manufacturing and using same Nov. 8, 2011
8038861 Laminated gas sensor element and gas sensor Oct. 18, 2011
8032244 Method and system for concrete quality control based on the concrete's maturity Oct. 4, 2011
8021616 Gas sensor Sep. 20, 2011
8016988 Gas sensor Sep. 13, 2011
8012323 Compact electrochemical bifunctional NO.sub.x/O.sub.2 sensors with internal reference for high temperature applications Sep. 6, 2011
8012324 Sensor element, method of manufacturing a sensor element, and gas sensor Sep. 6, 2011
8012325 Plural-cell gas sensor with heater Sep. 6, 2011
7967964 Single cell sensor for measuring the partial pressure of oxygen Jun. 28, 2011
7959778 Sensor control apparatus and method Jun. 14, 2011
7951277 Gas sensor and method for manufacturing the same May. 31, 2011
7938944 Gas concentration measurement apparatus May. 10, 2011
7887684 Lamination-type gas sensor element and gas sensor Feb. 15, 2011
7887685 Multilayer gas sensor having dual heating zones Feb. 15, 2011
7887683 Electrochemical sensor compensated for relative humidity Feb. 15, 2011
7850833 Oxygen sensor and air/fuel ratio control system Dec. 14, 2010
7824531 Multilayered air-fuel ratio sensor Nov. 2, 2010
7820028 Oxides of nitrogen gas sensors and methods Oct. 26, 2010
7811434 Gas sensor Oct. 12, 2010
7799192 Sensor element Sep. 21, 2010
7785457 Sensor element and method for determining ammonia Aug. 31, 2010
7736479 Electrochemical sensor having nonporous working electrode Jun. 15, 2010
7727369 Gas sensor Jun. 1, 2010
7722749 Gas sensor and method for forming same May. 25, 2010
7704358 Oxygen sensor Apr. 27, 2010
7666286 Gas sensor Feb. 23, 2010
7655121 Gas sensor interface device and gas sensor system Feb. 2, 2010
7655123 Gas sensor Feb. 2, 2010
7655131 Gas sensor and method for controlling the same Feb. 2, 2010
7645367 Gas-measuring system with gas sensor and gas generator Jan. 12, 2010
7628900 Sensor element Dec. 8, 2009
7611613 High temperature total NO.sub.x sensor Nov. 3, 2009
7611612 Multilayer ceramic NO.sub.x gas sensor device Nov. 3, 2009
7607340 Gas sensor Oct. 27, 2009
7582197 Gas concentration measuring apparatus with failure monitor Sep. 1, 2009
7578914 Gas concentration measuring apparatus designed to compensate for output error Aug. 25, 2009
7575709 Tape-cast sensors and method of making Aug. 18, 2009
7537678 Detecting electrode and nitrogen oxide sensor using the same May. 26, 2009
7527718 Method of treating gas sensor element May. 5, 2009
7524407 Gas sensor Apr. 28, 2009
7501604 Sensor element for determining gas components in gas mixtures, and method for manufacturing it Mar. 10, 2009
7445698 Gas concentration detecting apparatus Nov. 4, 2008
7445699 Gas sensor Nov. 4, 2008
7445700 Gas sensor and nitrogen oxide sensor Nov. 4, 2008
7438791 Concentration detector Oct. 21, 2008
7416651 Gas sensor Aug. 26, 2008

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