Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
09/1991
09/04/1991EP0444896A2 Single port thermospray ion source with coaxial vapor flow
09/04/1991EP0444840A1 Thick film reagent spreading and reagent immobilization layer
09/04/1991EP0444800A2 Signal processing method for magnetic-ultrasonic wall thickness measuring apparatus
09/04/1991EP0444753A1 Method of determining gaseous hydrocarbons using gas sensors formed of thin tin oxide films
09/04/1991EP0444697A2 Atomic probe microscope and cantilever unit for use in the microscope
09/04/1991EP0444674A2 Air fuel ratio detecting device
09/04/1991EP0444151A1 Magnetic susceptibility imaging (msi).
09/04/1991EP0444022A1 Capacitive coupled moisture sensor and its use.
09/03/1991US5046028 System for calibrating, monitoring and reporting the status of a pH sensor
09/03/1991US5045828 Fluoropolymer humidity sensors
09/03/1991US5045789 Detector for detecting foreign matter in object by using discriminant electromagnetic parameters
09/03/1991US5045694 Instrument and method for the laser desorption of ions in mass spectrometry
09/03/1991US5045529 Tonometric fluid for blood gas and co-oximetry instruments
09/03/1991US5045285 Gaseous component identification with polymeric film sensor
09/03/1991US5045284 Flow cell for precipitation titration flow injection analysis
09/03/1991US5045173 Container for electrophoretic gel
09/03/1991US5045172 Capillary electrophoresis apparatus
09/03/1991US5045169 Stacked cells
09/03/1991US5045164 Electrophoresis plate for diverting generated fluid
09/03/1991US5045163 Electrochemical method for measuring chemical species employing ion exchange material
09/03/1991US5045158 Electrolyte in process for reduction of oxygen
09/03/1991US5044767 Device for measuring thermal properties of a test substance-the transient plane source (TPS) method
09/03/1991US5044766 Method and apparatus for determining the thermal time constant of fine metal wire segments
09/03/1991US5044764 Method and apparatus for fluid state determination
09/03/1991US5044586 Manipulator for crack detector transducers
09/03/1991CA2034734A1 Amperometric detection cell
09/03/1991CA1288477C Apparatus and methods for measuring permittivity in materials
09/03/1991CA1288476C Electrochemical sensor for hydrogen
08/1991
08/31/1991CA2011141A1 Detector of metalliferous objects
08/31/1991CA2011140A1 Metalliferous objects detector
08/29/1991WO1991012904A1 Method and device for moving molecules by the application of a plurality of electrical fields
08/29/1991DE4011683C1 Measuring electrode for monitoring electroless metal deposition baths - has small surface curvature or area and gives clear deposition assessment
08/29/1991DE4006085A1 Heated solid state gas flow sensor combining compsn. measurement - by integration of reacting layer and heating track on the same substrate using thick-thin film techniques
08/29/1991DE4005761A1 Measuring appts. detecting gases by electrochemical sensor - has variable diffusion block with variable aperture for different ranges during operation without ingress
08/29/1991CA2075969A1 Method and device for moving molecules by the application of a plurality of electrical fields
08/28/1991EP0443320A1 Capillary electrophoresis technique
08/28/1991EP0443259A1 Solid oxide electrochemical oxygen generator
08/28/1991EP0443186A1 Measuring cell for an analyser for thermal conductivity
08/28/1991EP0443091A1 Catalytically inactive gas sensor and production process
08/28/1991EP0443080A1 Method and means of controlling a windscreen wiper
08/28/1991EP0443024A1 Method and apparatus for electrophoretic separations.
08/28/1991EP0442969A1 Wholly microfabricated biosensors and process for the manufacture and use thereof
08/28/1991CN1054147A Thin film electrical component
08/28/1991CN1054134A Defect detector for foam plastic anticorrosion insulating layer of steel pipe
08/28/1991CA2037112A1 Measuring device used to verify the contact established between two electric conductors
08/28/1991CA2034266A1 Thick film reagent spreading and reagent immobilization layer
08/27/1991WO1991013447A1 Moisture sensor
08/27/1991WO1991013174A1 A method for the fluorescent detection of a dna sequence in real time
08/27/1991US5043663 Method and apparatus for detecting angular defects in a tubular member
08/27/1991US5043662 Method and apparatus for producing a uniform magnetic field in a test sample
08/27/1991US5043407 Crosslinked acrylic polymer
08/27/1991US5043053 Reference electrode probe for use in aqueous environments of high temperature and high radiation
08/27/1991US5043051 Variable width electrophoresis device
08/27/1991US5043032 Sensing presence of eddy currents as stack passes through a magnetic field; accuracy, quality control
08/27/1991US5042288 Method of sensing contamination in the atmosphere
08/27/1991CA2076853A1 Method for the fluorescent detection of a dna sequence in real time
08/27/1991CA2053293A1 Humidity-sensing element
08/23/1991WO1991013347A1 Magnetic flaw detector for thin steel belt
08/22/1991WO1991012524A1 Flaw detector for steel sheet
08/22/1991WO1991012523A1 Glass electrode
08/22/1991WO1991012520A1 Fluorescent tag for sugar electrophoresis
08/22/1991WO1991012275A1 Two-dimensional electrophoretic separation of carbohydrates
08/22/1991WO1991012073A1 Enhanced capillary zone electrophoresis and apparatus for performance thereof
08/22/1991DE4005471A1 Precipitation esp. rain, and electromagnetic disturbance field sensor - distinguishes reliability between rain and disturbance field using difference technique
08/22/1991CA2075625A1 Enhanced capillary zone electrophoresis and apparatus for performance thereof
08/21/1991EP0442776A1 Reagent and method for its use in the automatic counting of basophilic leucocytes in blood with devices which measure the variation in resistivity
08/21/1991EP0442693A1 An electromagnetic conductivity meter and a conductivity measuring method
08/21/1991EP0442674A2 Thin film electrical component with polymer substrate
08/21/1991EP0442415A2 Oxygen sensor
08/21/1991EP0442315A1 Method for separating ionic species using capillary electrophoresis
08/21/1991EP0442314A2 An apparatus for detecting deterioration of the lubricating oil
08/21/1991EP0442267A2 Method and apparatus for testing with magnetic powder
08/21/1991EP0442250A2 Control method with redox-potential
08/21/1991EP0442177A1 Electrophoretic sieving in gel-free media with dissolved polymers
08/21/1991EP0442034A1 Thermomagnetic oxygen sensor
08/21/1991EP0441857A1 Detection of non-metallic materials
08/21/1991EP0441856A1 Electrophoresis method and apparatus
08/21/1991EP0441838A1 A device for the detection of abnormal condition of a portion of an object which is movable relative to the device.
08/21/1991EP0441826A1 Thin film chemiresistive sensors
08/21/1991EP0239604B1 Electrophoresis and vacuummolecular transfer apparatus
08/21/1991CN2083294U Multi-point dissolved oxygen electrode having electrolyte
08/21/1991CN2083293U Tester of moisture content of material
08/21/1991CN2083292U Lingemann electronic test instrument for concentration of smoke
08/21/1991CN1053956A Method and apparatus for detecting broken ph sensor
08/21/1991CN1013575B Process for producting super thin glass sheets
08/20/1991US5041786 Method of nondestructively inspecting for flaws in metal stocks including selection of detection coil diameter.
08/20/1991US5041783 Probe unit for an atomic probe microscope
08/20/1991US5041224 Two or more groups of substances having different sensitive wavelength regions
08/20/1991US5041204 Resistance to corrosion of electrodes, and increased long term stability of signals
08/20/1991US5041203 Apparatus and procedure for rotating gel electrophoresis
08/20/1991US5041202 Colorimetric cell
08/20/1991US5040417 Electronic relative humidity/temperature measuring system
08/20/1991US5040411 Windshield moisture sensor
08/14/1991EP0441665A1 Moisture sensor and measuring device with a plurality of such sensors
08/14/1991EP0441659A1 Detecting a break in an enclosure of an electrochemical sensor
08/14/1991EP0441463A1 Capillary electrophoresis technique
08/14/1991EP0441327A2 Toxic substance-detecting device and water quality-monitoring system employing the same
08/14/1991EP0441311A2 Surface microscope apparatus
08/14/1991EP0441222A2 Process and electrode system for determining an analyte or an oxidoreductase as well as suitable compounds
08/14/1991EP0441120A2 Biosensors