G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means

Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
11/1992
11/12/1992	DE4115398A1 Bio-sensor integrating CMOS integrated circuit - prepd. by insulating sensor area from circuitry on chip, forming gate oxide dielectric layer, etching using poly:silicon@ layer, etc.
11/12/1992	DE4115397A1 CMOS-IC esp. liq. sensor circuit mfr. - using gate nitride as etch-stop during exposure of ISFET active gate region
11/12/1992	DE4115288A1 Balancing arrangement for signals from e.g. combustion oximeter - uses fixed and adjustable resistors having good thermal coupling and equal and opposite dependence on temp.
11/11/1992	EP0512796A2 Eddy current probe arrays
11/11/1992	EP0512700A1 Method of operating an ion trap mass spectrometer in a high resolution mode
11/11/1992	EP0512500A2 Oxygen sensor and its method of manufacture
11/11/1992	EP0512394A2 Method and apparatus for analyzing sample solutions
11/11/1992	EP0512070A1 Multi-analyte sensing electrolytic cell
11/11/1992	EP0512053A1 Polarographic chemical sensor with external reference electrode
11/11/1992	EP0323973B1 Ion mobility spectrometer
11/10/1992	US5163012 Apparatus for carrying out the comprehensive quality control of printed sheets
11/10/1992	US5162654 For the detection of the fluorescence pattern emitted by biological molecules
11/10/1992	US5162653 Scanning tunneling microscope and surface topographic observation method
11/10/1992	US5162652 Method and apparatus for rapid detection of contraband and toxic materials by trace vapor detection using ion mobility spectrometry
11/10/1992	US5162651 Mass spectrometer
11/10/1992	US5162649 Ion mobility detector
11/10/1992	US5162077 Device for in situ cleaning a fouled sensor membrane of deposits
11/10/1992	US5161532 Porous substrate, two electrodes /one porous/ for generating electrical signal in response to reaction of interstitial fluid component with chemical layer, detector, display generating means, means for sucking fluid from skin
11/10/1992	CA1310077C Three wire amplifier circuit with diagnostic capabilities
11/10/1992	CA1310064C On-line web internal resistivity measuring apparatus
11/09/1992	CA2068127A1 Capacitance flow meter
11/05/1992	DE4211907A1 Liquid contained gas or solid content measuring device - contains degassing or solid removal cell in form of tube or flat membrane supplied with absorbent or reagent by pump
11/04/1992	EP0511763A2 Cantilever type probe, and scanning tunnel microscope and information processing apparatus employing the same
11/04/1992	EP0511662A1 Scanning probe microscope, molecular processing method using the scanning probe microscope and DNA base arrangement detecting method
11/04/1992	CN1018952B Detector for cathode protection condition of offshore platform panel point
11/04/1992	CN1018951B Hydrogen-cracking detector for nodes in ocean platform
11/04/1992	CA2067861A1 Labeling of hydrocarbons
11/03/1992	US5161085 Moisture sensitive element and method of manufacturing the same
11/03/1992	US5160841 Ion source for a mass spectrometer
11/03/1992	US5160626 Gel electrophoresis, sample transferring, identification of macromolecules
11/03/1992	US5160604 Toxic substance-detecting system with fixed microorganism membrane for water quality-monitoring
11/03/1992	US5160598 Exhaust systems
11/03/1992	US5160597 Immunology, diagnostics
11/03/1992	US5160594 Apparatus and methods for isoelectric focusing of amphoteric substances incorporating ion selective membranes in electrode chambers
11/03/1992	US5160419 Electrode for a coulometric type of electrochemical detector
11/03/1992	US5160418 Suspension, coating, platinum group metal oxide
10/1992
10/29/1992	WO1992018860A1 Method and apparatus for determining thermal resistance and structural integrity of coatings on conducting materials by monitoring electrical conductance of the underlying material upon localized heating of the overlying coating
10/29/1992	WO1992018859A1 Method and device for detecting substances in an ambient substance, in particular for detecting chemical warfare agents
10/29/1992	WO1992018858A1 Hydrogen rod electrode with integrated hydrogen source
10/29/1992	WO1992018857A1 Method and apparatus for batch injection analysis and trace metal testing
10/29/1992	WO1992018856A1 Integratable conductivity measuring device
10/28/1992	EP0511046A1 Device for estimating electromagnetic properties of a material at elevated temperatures
10/28/1992	EP0510824A1 Gel-containing microcapillary column
10/28/1992	EP0510774A2 Method and apparatus to measure multiphase flow properties
10/28/1992	EP0510725A2 Electrochemical cell
10/28/1992	EP0510468A2 Corrosion protection of FeMn by ion implantation
10/28/1992	EP0510143A1 Apparatus for measuring physical properties of fluids
10/28/1992	EP0510025A1 Method and apparatus for sample injection into ion mobility spectrometer
10/28/1992	EP0419579B1 Composite membrane
10/28/1992	CN2120337U Multi-function electrostatic test meter controlled by micro-computer
10/28/1992	CN1065728A Multi-function solidification process tester for paint and resin
10/28/1992	CN1065727A Composite ion detector
10/28/1992	CN1065726A Grainhouse injurious insect detector
10/27/1992	US5159274 Device and methods for measuring the quality of contact between two electrical conductors
10/27/1992	US5159247 Rain-actuated control for covering systems
10/27/1992	US5159194 Method and apparatus for mass spectrometry
10/27/1992	US5159049 Method for stabilizing polyacrylamide gels
10/27/1992	US5158661 Electrophoresis temperature control apparatus
10/27/1992	US5157977 Inspection machine
10/27/1992	US5157921 Method for measuring conversion efficiency of catalyst and detecting deterioration thereof with air/fuel ratio sensors
10/27/1992	CA1309463C Automated eddy current metal hardness measurement system
10/27/1992	CA1309461C Integrated structure electrochemical sensor to measure the relative concentration of reactive species
10/22/1992	DE4113033A1 Integrierbare leitfaehigkeitsmessvorrichtung Integrable conductivity
10/22/1992	DE4112500A1 Determn. of gas concn. in gas-air mixt. - involves continuously comparing heat conductivity and heat tone measurements
10/22/1992	DE4112301A1 Gas sensor reference electrode contg. alkali cpd. - for partial pressure determn. of e.g. nitrogen oxide(s), used in multiphase equilibrium avoiding escape of e.g. liq. sodium at high operating temp.
10/21/1992	EP0509887A1 Apparatus for collecting charged particles on the focal plane of a charged particle dispersion apparatus
10/21/1992	EP0509856A1 Scanning probe type microscope combined with an optical microscope
10/21/1992	EP0509388A1 Novel buffer systems for horizontal gel electrophoresis
10/21/1992	EP0509171A1 Method and apparatus for improving the specificity of an ion mobility spectrometer utilizing sulfur dioxide dopant chemistry
10/21/1992	CN2119658U Polytetrafluorethylene internal electrode
10/21/1992	CN1065528A Tester of moisture content in rosin
10/21/1992	CN1065527A Sensor based on nanostructured composite films
10/21/1992	CN1065526A Paper-base humidity sensor
10/21/1992	CN1018780B Hydrogen-sensitive element and manufacturing method thereof
10/20/1992	US5157332 Three-toroid electrodeless conductivity cell
10/20/1992	US5157312 Device including wetness sensor for controlling a windshield wiper
10/20/1992	US5157260 Method and apparatus for focusing ions in viscous flow jet expansion region of an electrospray apparatus
10/20/1992	US5156810 Biosensors employing electrical, optical and mechanical signals
10/20/1992	US5156728 Printed circuit board; wires covered with sintered carbon particles in thermosetting resin; redox layer from oxidative polymerization coating carbon layers
10/20/1992	US5156724 Method for analyzing ionic species using capillary electrophoresis
10/20/1992	US5156298 Method and apparatus for detecting a limit of the usable portion of a batch of fluent material flowing in a conduit
10/20/1992	US5156044 Arrangement for switching in an exhaust-gas probe heater
10/20/1992	CA2066380A1 Material high temperature electromagnetic characteristic evaluating device
10/20/1992	CA1309058C Laser-excitation fluorescence detection electrokinetic separation
10/15/1992	WO1992017791A1 Used battery sorting method and apparatus
10/15/1992	WO1992017788A1 Ionic reservoir at electrode surface
10/15/1992	WO1992017778A1 Analytical devices
10/15/1992	WO1992017776A1 Device for magneto-optic/eddy current imaging
10/15/1992	WO1992017773A1 Tin oxide gas sensors
10/15/1992	WO1992017611A1 Dna silver staining
10/15/1992	WO1992017483A1 Hydrogen sulfide gas sensor and precursor compound for manufacture of same
10/15/1992	WO1992013229A3 Analysis method by capillary electrophoresis with fluorescence detection
10/15/1992	WO1992009885A3 Probe unit for investigating fluids
10/15/1992	DE4140351A1 Light sensitive smoke detector for building or house - increases triggering threshold when ambient light is present using series resistors and light-sensitive element
10/14/1992	EP0508894A1 A method of locally determining the nature of a phase in a three-phase fluid, and application for determining flow parameters of the fluid
10/14/1992	EP0508828A2 Sample observation apparatus and system, and method therefor particularly for biological samples
10/14/1992	EP0476062A4 Miniaturized mass spectrometer system
10/14/1992	CN2118986U Sensor for detecting grain storage
10/14/1992	CN2118985U Monitor for the leakage of highly poisonous gas
10/14/1992	CN2118982U Electronic analyzer for mineral mixing compound

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