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Class Information
Number: 204/423
Name: Chemistry: electrical and wave energy > Apparatus > Electrolytic > Analysis and testing > Solid electrolyte > Liquid sample sensor > With fugitive protective element
Description: Apparatus in which part of the sensor is designed to protect the remainder from environmental damage and having served this function is designed to decompose leaving the sensor element in contact with the liquid sample.

Patents under this class:

Patent Number Title Of Patent Date Issued
8617372 Array-type NH.sub.3 sensor Dec. 31, 2013
7578913 Probe for determination of oxygen activity in metal melts and methods for its production Aug. 25, 2009
7534332 Gas sensor manufacturing process, and gas sensor May. 19, 2009
7396443 Solid-state electrochemical hydrogen probe for the measurement of hydrogen content in the molten aluminum Jul. 8, 2008
6996976 Apparatus and method for mounting a device to a pipe Feb. 14, 2006
6468407 NOx reduction sensor coating Oct. 22, 2002
6328867 Sensors for measuring the solute contents of liquid ferrous and non-ferrous metals Dec. 11, 2001
6217957 Receptacle for floral-tipped bobby pins Apr. 17, 2001
6156174 Immersion sensor for measuring an electrochemical activity Dec. 5, 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
5902468 Device for conducting electrochemical measurements in glass or salt melts May. 11, 1999
5792329 Apparatus to measure an electro-chemical activity Aug. 11, 1998
5656143 Sensors for the analysis of molten metals Aug. 12, 1997
5580439 Reference electrode for electrochemical determination of oxygen partial pressure in an ionic melt Dec. 3, 1996
5445725 Sensor probe for measuring hydrogen concentration in molten metal and method for measuring hydrogen concentration Aug. 29, 1995
5387329 Extended use planar sensors Feb. 7, 1995
5322609 Device for detecting electrolytes in liquid samples Jun. 21, 1994
5277781 Zirconia oxygen sensor Jan. 11, 1994
5256272 Electrochemical sensor for determining the level of a certain metal in metals and alloys Oct. 26, 1993
5223125 Oxygen sensor for aluminum killed, high silicon steel melts Jun. 29, 1993
5122254 Solid state electrode for the determination of sodium ion concentrations in solutions Jun. 16, 1992
5096552 Monitoring of pyrometallurgical processes Mar. 17, 1992
4814062 Membrane reference electrode Mar. 21, 1989
4717463 Oxygen sensor Jan. 5, 1988
4708783 Apparatus for the determination of silicon in molten metal Nov. 24, 1987
4451350 Sensor for measuring density of oxygen in molten metal May. 29, 1984
4342633 Oxygen sensor Aug. 3, 1982
4338127 Addition and measurement of gases dissolved in molten metals Jul. 6, 1982
4175020 Method of sterilizing reference electrodes and the like Nov. 20, 1979
4105507 Method and system for instantaneously determining the oxygen activity in molten metals Aug. 8, 1978
4007106 Device for measuring oxygen concentration in molten-metal Feb. 8, 1977
3980543 Electrochemical cell structure Sep. 14, 1976

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