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Class Information
Number: 204/422
Name: Chemistry: electrical and wave energy > Apparatus > Electrolytic > Analysis and testing > Solid electrolyte > Liquid sample sensor
Description: Apparatus which is adapted to be used for the analysis or testing of a liquid sample.

Sub-classes under this class:

Class Number Class Name Patents
204/423 With fugitive protective element 33

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8671735 Device for collecting gases in molten metal and measurement method Mar. 18, 2014
8668822 Method for operating an ISFET sensor Mar. 11, 2014
8653839 Zinc oxide sulfur sensors and method of using said sensors Feb. 18, 2014
8638111 Zinc oxide sulfur sensor measurement system Jan. 28, 2014
8617372 Array-type NH.sub.3 sensor Dec. 31, 2013
8449741 Method for influencing the properties of cast iron, and oxygen sensor May. 28, 2013
8224595 System and method for online monitoring of molten salt corrosion Jul. 17, 2012
8173007 High temperature electrochemical characterization of molten metal corrosion May. 8, 2012
8152978 Apparatus and method for measuring hydrogen concentration in molten metals Apr. 10, 2012
7879203 Method and apparatus for cathodic arc ion plasma deposition Feb. 1, 2011
7685863 Device for measuring the gas content in a molten metal Mar. 30, 2010
7632384 Multi-functional sensor system for molten salt technologies Dec. 15, 2009
7418882 Measuring probe Sep. 2, 2008
7396443 Solid-state electrochemical hydrogen probe for the measurement of hydrogen content in the molten aluminum Jul. 8, 2008
7335287 Solid electrolyte sensor for monitoring the concentration of an element in a fluid particularly molten metal Feb. 26, 2008
7189315 Ion sensor and clinical analyzer using the same Mar. 13, 2007
7179354 Electrochemical sensor Feb. 20, 2007
7169274 Measurement device for determining oxygen activity in metal or slag melts Jan. 30, 2007
7141151 Measurement device for determining oxygen activity in molten metal or slag Nov. 28, 2006
6913849 Method of screening compositions for electrocatalytic activity in a gas diffusion electrode Jul. 5, 2005
6869511 Ceramic electrochemical corrosion potential sensor probe with increased lifetime Mar. 22, 2005
6855238 Measuring device for determining the oxygen activity in metal melts or slag melts Feb. 15, 2005
6846639 Method for detecting pathogens attached to specific antibodies Jan. 25, 2005
6787368 Biosensor method for detecting analytes in a liquid Sep. 7, 2004
6716336 Sensor for determining the concentration of sulphur compounds in a liquid Apr. 6, 2004
6576460 Filtration-detection device and method of use Jun. 10, 2003
6527943 Fuel cell concentration sensor Mar. 4, 2003
6514394 Sensor for application in molten metals Feb. 4, 2003
6509148 Method for fabricating biosensors using hydrophilic polyurethane Jan. 21, 2003
6488837 Methanol sensor operated in a passive mode Dec. 3, 2002
6464940 pH sensor and pH measurement method employing the same Oct. 15, 2002
6420168 Histamine measuring apparatus and a histamine measuring method Jul. 16, 2002
6347543 Measuring sensor and method for its fabrication Feb. 19, 2002
6338960 Histamine measuring apparatus and a histamine measuring method Jan. 15, 2002
6337178 Histamine measuring apparatus and a histamine measuring method Jan. 8, 2002
6329194 Histamine measuring apparatus and a histamine measuring method Dec. 11, 2001
6328867 Sensors for measuring the solute contents of liquid ferrous and non-ferrous metals Dec. 11, 2001
6329154 Histamine measuring apparatus and a histamine measuring method Dec. 11, 2001
6322680 Universal ion-selective meter Nov. 27, 2001
6306285 Techniques for sensing methanol concentration in aqueous environments Oct. 23, 2001
6300141 Card-based biosensor device Oct. 9, 2001
6277559 Histamine measuring apparatus and a histamine measuring method Aug. 21, 2001
6268121 Histamine measuring apparatus and a histamine measuring method Jul. 31, 2001
6258231 Chemical mechanical polishing endpoint apparatus using component activity in effluent slurry Jul. 10, 2001
6254748 Direct methanol feed fuel cell and system Jul. 3, 2001
6156174 Immersion sensor for measuring an electrochemical activity Dec. 5, 2000
6083368 Probe device for continuous measurements of oxygen in running molten metal Jul. 4, 2000
6074547 Process and device for measuring the oxygen potential in a silicon melt Jun. 13, 2000
6013163 Probe for detection of the concentration of various elements in molten metal Jan. 11, 2000
5989408 Process for measuring an electrochemical activity Nov. 23, 1999

1 2 3

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