Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
01/1985
01/09/1985EP0130785A1 Gas detecting element
01/09/1985EP0130530A1 Method and apparatus for detecting cells that give off cell constituents
01/08/1985US4493039 Apparatus and method for image reproduction of materials using their magnetic and electric properties
01/08/1985US4492639 Leak detection
01/08/1985US4492622 Clark cell with hydrophylic polymer layer
01/08/1985US4492614 Of gaseous samples by use of solid chloride ion conducting electrolytes
01/08/1985US4492296 Circuit arrangement in a coin acceptor unit
01/08/1985US4492115 Method and apparatus for measuring defects in ferromagnetic tubing
01/08/1985CA1180761A1 Humidity sensor
01/08/1985CA1180759A1 Conductivity detector and method
01/08/1985CA1180651A1 Moisture sensitive element
01/03/1985WO1985000058A1 Method and apparatus for measuring transformation rate
01/02/1985EP0129852A2 Method and device for compensating temperature-dependent characteristic changes in ion-sensitive FET transducer
01/02/1985EP0129766A2 A method of, and apparatus for, measuring electro-kinetic properties of charged particles dispersed in a liquid medium
01/02/1985CA1180385A Process and equipment for the determination of the magnetite and phosphorus contents of magnetite- containing ores
01/02/1985CA1180384A Oxygen gas analyzer using solid electrolyte
01/01/1985US4491798 System for measuring conductivity of a liquid
01/01/1985US4491796 Borehole fracture detection using magnetic powder
01/01/1985US4491784 Piezoelectric moisture measuring device
01/01/1985US4491110 Internal combustion engine combustion chamber pressure sensing apparatus
12/1984
12/27/1984EP0129233A2 Potassium ion-selective membranes
12/27/1984EP0043826B1 Device for determining the content of magnetite and phosphore in minerals
12/27/1984CA1180132A Apparatus and a method for detecting and measuring trace gases in air or other gaseous background
12/25/1984US4490715 Gas detector
12/25/1984US4490679 Probe type paraffin monitor
12/25/1984US4490678 Method of and an apparatus for measuring ion concentrations in solutions
12/25/1984US4490236 Method and means for electrode calibration
12/25/1984US4490235 Electrochemical cell provided with selective electrodes and at least one chemical reactor, for indirect measurement of clinical-chemical parameters
12/25/1984US4490234 Method for measuring ionic concentration utilizing an ion-sensing electrode
12/25/1984US4490216 Lipid membrane electroanalytical elements and method of analysis therewith
12/25/1984US4489603 Moisture sensitive element
12/20/1984WO1984004968A1 Process of determination of the concentration of halogen in organic samples
12/19/1984EP0128716A2 Inlet system for a mass spectrometer
12/19/1984EP0128627A1 Process of determining the concentration of halogen in organic samples
12/19/1984EP0128363A2 Conductionmetric resin separation
12/18/1984US4488939 Vapor corrosion rate monitoring method and apparatus
12/18/1984US4488938 Method and apparatus for coulometric measurement
12/18/1984US4488556 Chemically sensitive field effect transducer apparatus
12/18/1984CA1179632A1 Method for examining cells by electrophoresis
12/12/1984EP0127964A2 Air-to-fuel ratio sensor for engine
12/12/1984EP0127958A2 Sensor electrode systems
12/12/1984EP0127841A1 Silver staining method
12/12/1984EP0127823A1 Gas sensor
12/12/1984EP0127682A1 Method of mounting electronic part
12/12/1984EP0127645A1 Fire alarm and electrode device therefor.
12/11/1984US4488118 Halogen gas leak detector
12/11/1984US4488117 Method of measuring backelectromotive forces of aluminum electrolysis cells
12/11/1984US4488116 Inductive coin sensor for measuring more than one parameter of a moving coin
12/11/1984US4488114 Device for non-destructive testing by eddy currents comprising air-gap correction means
12/11/1984US4488044 Ionization chamber for smoke detector and the like
12/11/1984US4487836 Impedance variations
12/11/1984US4487681 Measuring throwing power of an acid
12/11/1984US4487680 Planar ZrO2 oxygen pumping sensor
12/11/1984US4487679 For quantitave analysis of concentrates in biological fluids
12/11/1984US4487661 Method and device for determining the physical characteristics of a semiconductor material
12/06/1984WO1984004818A1 Precision nondestructive testing of metals
12/06/1984WO1984004816A1 Device for generating a reference potential by means of potentiometric lambda probes
12/06/1984WO1984004815A1 An electrode device for transcutaneously measuring a blood gas parameter and for sensing a bioelectrical signal and an electrode assembly comprising such an electrode device
12/06/1984WO1984004814A1 Device for the electro-chemical determination of the oxygen content in liquids
12/06/1984WO1984004813A1 Method for measuring coagulation of milk
12/05/1984EP0127443A2 Cable corrosion monitor
12/05/1984EP0127438A1 Diagnostic device incorporating a biochemical ligand
12/05/1984EP0127387A2 Gas sensor
12/05/1984EP0127148A1 An electrode device for transcutaneously measuring a blood gas parameter and for sensing a bioelectrical signal and an electrode assembly comprising such an electrode device
12/04/1984US4486292 Semiconductors
12/04/1984US4486291 Measuring apparatus for the determination of oxygen partial pressure in fluids and gases
12/04/1984US4486290 Combination ion selective sensing electrode
12/04/1984US4486272 Electrolytic cell having light transmissive wall
12/04/1984US4485667 Variations in electroconductivity of tin oxide or nickel oxide
12/04/1984CA1179017A2 Metal analysis for acid-soluble elements
12/04/1984CA1178824A1 Gas sensor
11/1984
11/28/1984EP0126639A2 Element for electrophoresis
11/28/1984EP0126638A2 Element for electrophoresis
11/28/1984EP0126623A2 Gas sensor
11/28/1984EP0126617A2 Macromolecule determination by phsysical development
11/28/1984EP0126590A2 Air-to-fuel ratio sensor for engine
11/28/1984EP0126452A2 Electrochemical cell
11/28/1984EP0126426A2 Ion selective electrode and flow type ion sensor using the same
11/28/1984EP0126246A2 Method of measuring the partial oxygen pressure in gases
11/28/1984EP0126103A1 Ion-sensitive measuring electrode device.
11/28/1984EP0126100A1 Method and device to determine wether a limit value, expressed as a percentage of a liquid portion contained in a liquid mixture and having a lower evaporation temperature, has been reached or exceeded.
11/28/1984EP0126095A1 Solid ion-selective electrodes.
11/27/1984US4485369 Petermining oxygen concentration by measuring electrical resistance of solid electrolyte
11/27/1984US4485002 Measuring device for the determination of the activity of carbon in furnace atmospheres
11/27/1984US4485001 Sterilizable pH electrode and method for producing the same
11/27/1984US4484987 Method and membrane applicable to implantable sensor
11/27/1984US4484823 Method of determining the boiling point of a liquid
11/27/1984US4484573 Alarm device for use in a baby's diaper
11/27/1984US4484440 Exhaust manifold of dual type formed with chamber to receive exhaust gas sensor
11/27/1984CA1178661A1 Method for effecting a surface examination of coated components
11/27/1984CA1178456A1 Apparatus and method for measuring the concentration of gases
11/22/1984WO1984004596A1 Method and apparatus for testing using a plurality of frequencies
11/22/1984WO1984004595A1 Moisture sensor
11/21/1984EP0125950A2 Mass spectrometers
11/21/1984EP0125822A2 Electrochemical cell
11/21/1984EP0125807A2 pH and CO2 sensing device
11/21/1984EP0125763A1 Medium for electrophoresis
11/21/1984EP0125762A1 Medium for electrophoresis
11/21/1984EP0125693A2 Method and apparatus for detecting end point of titration
11/21/1984EP0125628A2 Resin interface detection system