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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:

Class Number Class Name Patents
73/23.32 Air-fuel ratio 393


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Patent Number Title Of Patent Date Issued
8702936 Device for determining carbon monoxide concentration and related method Apr. 22, 2014
8702934 Gas sensor Apr. 22, 2014
8702962 Carbon dioxide gas sensors and method of manufacturing and using same Apr. 22, 2014
8702937 Gas sensor control apparatus controlling output characteristic of gas sensor Apr. 22, 2014
8695399 Detector for detecting sulfur components Apr. 15, 2014
8689605 Flame safety system for in situ process analyzer Apr. 8, 2014
8679312 Gas sensor system and method for controlling gas sensor Mar. 25, 2014
8678813 Method for producing a stream of hot combustion exhaust gases at a settable temperature, apparatus for carrying out the method and use of the combustion exhaust gases for the targeted ageing o Mar. 25, 2014
8671740 Gas concentration detection sensor Mar. 18, 2014
8673128 Gas sensor element, gas sensor, and production method thereof Mar. 18, 2014
8635899 Flame safety system for in SITU process analyzer Jan. 28, 2014
8632667 Deterioration signal generation device for oxygen sensor Jan. 21, 2014
8632668 Deterioration signal generation device for oxygen sensor Jan. 21, 2014
8631786 Method, systems and sensor for detecting humidity Jan. 21, 2014
8627706 Gas-measuring probe for determining the physical characteristic of a measuring gas Jan. 14, 2014
8623186 Apparatus and process for gas sensor control Jan. 7, 2014
8623187 Gas sensor Jan. 7, 2014
8623188 Gas sensor Jan. 7, 2014
8617372 Array-type NH.sub.3 sensor Dec. 31, 2013
8591712 Gas sensor element and gas sensor Nov. 26, 2013
8586394 Method for producing a subminiature "micro-chip" oxygen sensor for control of internal combustion engines or other combustion processes, oxygen sensor and an exhaust safety switch Nov. 19, 2013
8578756 Particulate matter detection sensor and particulate matter detection sensor unit Nov. 12, 2013
8567231 Gas sensor Oct. 29, 2013
8567234 Gas sensor Oct. 29, 2013
8555699 Detector for detecting sulfur components Oct. 15, 2013
8550016 Method and apparatus of controlling flow rate of primary recirculating exhaust gas in oxyfuel combustion boiler Oct. 8, 2013
8550017 Method and apparatus of controlling exhaust gas in oxyfuel combustion boiler Oct. 8, 2013
8545684 Sensing element and method of making the same Oct. 1, 2013
8538665 Control circuit for an electrochemical gas sensor and method for adjusting an electrochemical gas sensor Sep. 17, 2013
8535498 Electrochemical gas sensor and method for clamping the same Sep. 17, 2013
8524181 Sensor-integrated device Sep. 3, 2013
8516795 Exhaust gas sensor device, engine control device and method Aug. 27, 2013
8513961 Detection method for defect of sensor Aug. 20, 2013
8512531 Gas concentration detection apparatus Aug. 20, 2013
8511141 Stack gas measurement device and method therefor Aug. 20, 2013
8505276 Particulate matter measurement device Aug. 13, 2013
8505303 Impurity detection in combustor systems Aug. 13, 2013
8500442 Combustion gas analysis Aug. 6, 2013
8495905 Gas concentration detection device Jul. 30, 2013
8479561 Gas concentration detection sensor Jul. 9, 2013
8474302 Sensor control unit and gas detection apparatus Jul. 2, 2013
8478501 Methods for determining exhaust emissions and efficiency of a vehicle and a display Jul. 2, 2013
8469718 Sensor apparatus having a sensor connected to a circuit board connected to external terminals Jun. 25, 2013
8464573 Gas concentration detection sensor Jun. 18, 2013
8465636 Ammonium gas sensor Jun. 18, 2013
8459097 Method and control unit for detecting a gas concentration of gas from a gas mixture Jun. 11, 2013
8459243 Method, systems and sensor for detecting humidity Jun. 11, 2013
8449743 Gas sensor May. 28, 2013
8443589 Diesel oxidation catalyst efficiency diagnostic method May. 21, 2013
8441359 Fire distinguishing device May. 14, 2013

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18










 
 
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