Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
04/1986
04/01/1986US4579643 Electrochemical device
04/01/1986US4579642 Ion selective membrane in liquid junction covered by immobilized enzyme membrane
04/01/1986US4579641 Working electrode of platinum and hydrogen permeable layer and reference electrode of polymer-silver complex
04/01/1986US4579631 Measurement of oxygen concentration
04/01/1986US4578988 Method for measuring changes in a physical property of liquid and semisolid materials
04/01/1986CA1202679A1 Reference electrode assembly
04/01/1986CA1202678A1 Solid electrolyte gas sensing apparatus
04/01/1986CA1202677A1 Device for determining ionic analyte activity and method of making same
03/1986
03/27/1986WO1986001924A1 Method and apparatus for producing electromagnetic surveillance fields
03/27/1986WO1986001896A1 Method for detecting surface defects by means of foucault currents and device for implementing such method
03/27/1986WO1986001895A1 Method and device for detecting by using foucault currents typical defects on a product
03/27/1986WO1986001894A1 Ion selective electrode
03/26/1986EP0175467A1 Gas chromatograph/mass spectrometer interface
03/26/1986EP0175463A1 Electrode for use in electrolytic cell
03/26/1986EP0175257A2 Method for structural inspection by measurement of electrical quantities, and apparatus and measuring head for carrying out the method
03/25/1986US4578643 Simulation apparatus for eddy current inspection techniques
03/25/1986US4578174 Oxygen sensor with heater
03/25/1986US4578173 Analysis of potassium ion
03/25/1986US4578172 Air/fuel ratio detector
03/25/1986US4578171 Air/fuel ratio detector
03/25/1986US4578170 Ph probes; easy replacement; safety
03/25/1986US4578169 Apparatus for total and fractional analyses of proteins
03/25/1986US4578154 Method and apparatus for measuring dissolved gas concentrations
03/25/1986US4578048 Slidable type constant velocity universal joint
03/25/1986CA1202368A1 Sensor for detection of weld beads or the like
03/25/1986CA1202367A1 Electro-chemical cell for determining a particular property or component of a fluid
03/25/1986CA1202196A1 Capacitive humidity sensor and method for the manufacture of same
03/25/1986CA1202195A1 Gas sensor
03/19/1986EP0174712A2 Semiconductor devices having electrically conductive paths
03/19/1986EP0174572A2 Cyclohexane-1,2-dicarboxylic amides, ionic-selectives membranes and test apparatus containing these compounds
03/19/1986EP0174362A1 Analytic instrument
03/19/1986CN85201752U Liquid conductance detecting device with a microcomputer
03/18/1986US4576706 Carbon fiber electrodes, ion exchanging
03/18/1986US4576705 Apparatus with polarographic sensor to detect concentrations of plurality of gas components
03/18/1986US4576704 Apparatus for the electrochemical detection of the oxygen content of liquids
03/18/1986US4576703 Preparatory electroelution device
03/18/1986US4576702 Analytical electroelution device
03/18/1986US4576693 Nucleic acid sequencing electrophoresis apparatus and method of fabricating
03/18/1986US4576667 Process for preparing a sintered ceramic article with porous region
03/18/1986US4576174 Micro electrode
03/18/1986US4576097 Pipeline inspection vehicles
03/18/1986US4576035 Self-calibrating differential condition sensor
03/18/1986CA1202079A1 Ph and co.sub.2 sensing device
03/18/1986CA1201901A1 Electrical slit scanning apparatus
03/13/1986WO1986001602A1 Electromagnetic inspection
03/13/1986WO1986001601A1 Ion-sensitive electrode and method of making the same
03/13/1986WO1986001600A1 Ion analyzer calibration cell
03/13/1986WO1986001599A1 Gas sensors, and methods of making and using them
03/12/1986EP0174222A1 Method of mass spectrometry by time-of-flight, and spectrometer therefor
03/12/1986EP0174017A1 Improvements relating to capacitive devices for measuring the diameter of a dielectric fibre
03/12/1986EP0173801A2 Electrochemical measuring cell
03/12/1986EP0173800A2 Electrochemical measuring cell with a complementary electrode
03/11/1986US4575808 Method of recording densitogram representing densities of fractionated substances
03/11/1986US4575711 Alarm terminal device
03/11/1986US4575462 Determination of atomic ratio of constituents
03/11/1986US4575441 Exhaust gas sensor and process for producing same
03/11/1986US4575410 Solid state electrode system for measuring pH
03/11/1986US4575260 Thermal conductivity probe for fluid identification
03/11/1986US4574627 Air-fuel ratio detector and method of measuring air-fuel ratio
03/11/1986CA1201807A1 Method of measuring moisture content of dielectric materials
03/11/1986CA1201768A1 Electrochemical device, cell and a method of operating the same
03/11/1986CA1201767A1 Portable sf.sub.6 decomposition sensor
03/10/1986CN85107130A Method and instrument for testing the quality of lubrication oil
03/10/1986CN85102036A Dielectric materials and electric units temperature feature detection apparatus
03/05/1986EP0173631A2 Apparatus for electrophoretically fractionating protein-containing solutions
03/05/1986EP0173157A1 Air-fuel ratio detector
03/05/1986EP0173081A1 Electrophoresis system in series for multiple agarose slab gels
03/05/1986EP0173067A2 Device for signalling water, especially for oil and petrol tanks
03/05/1986EP0173062A2 Moisture indicator
03/05/1986EP0172892A1 Method and device employing photoresponsive semiconductor electrode for determining analyte.
03/04/1986US4574264 Thin film oxygen sensor with microheater
03/04/1986US4574042 Oxygen meter for automobile
03/04/1986US4574040 For slabgels, tube gels or both
03/04/1986CA1201525A1 Test system for defect determination in welding seams
03/04/1986CA1201481A1 Eddy current probe with defect-noise discrimination
03/04/1986CA1201480A1 Liquid conductivity monitor
03/04/1986CA1201479A1 Electrolytic multi-cell testing apparatus
02/1986
02/27/1986WO1986001297A1 Method and apparatus for monitoring redox reactions
02/26/1986EP0172746A2 Electrochemical device
02/26/1986EP0172683A2 Mass spectrometer
02/26/1986EP0172503A2 Process for the production 0f appropriate electrodes for the reduction of oxygen and oxygen-containing compounds
02/26/1986EP0172461A2 Apparatus and method for measuring the concentration of a paramagnetic gas
02/26/1986EP0172402A1 Circuit for the fluctuation compensation of the transfer factor of a magnetic-field sensor
02/26/1986EP0172184A1 Method and apparatus for measuring the moisture of seeds in high frequency with multiple corrections
02/26/1986CN85200800U Water detector for loose fibre
02/25/1986US4573013 Magnetic inspection of reinforcing steel rods in prestressed concrete
02/25/1986US4573010 Miniature cell adaptor to accommodate small samples in resistivity cells
02/25/1986US4572900 Organic semiconductor vapor sensing method
02/25/1986US4572671 Densitometer for an electrophoresis apparatus
02/25/1986US4572349 Coin checking device for use in a coin handling machine
02/25/1986CA1201169A1 Method and apparatus for measuring gas partial pressure in living body
02/25/1986CA1201168A1 Polarographic gas sensors
02/19/1986EP0171959A2 Electrode for measuring hydrogen ion concentration
02/19/1986EP0171910A1 Method of manufacturing electrochemical cell
02/19/1986EP0171741A2 NMR Spectroscopy body probes with at least one surface coil
02/19/1986EP0171740A2 Long life portable oxygen sensor
02/19/1986EP0171680A2 Thermal plate for an electrophoretic apparatus
02/19/1986EP0171676A2 Free-flow electrophoretic separation method and apparatus therefor
02/19/1986CN85201010U Electrical resistivity equipment for measuring liquid-solid transformation of some material
02/18/1986US4571543 Specific material detection and measuring device