Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › 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)
10/1993
10/28/1993WO1993021518A1 Nitric oxide sensor
10/28/1993WO1993021501A1 A hydrocarbon mass flow meter
10/28/1993WO1993020927A1 Apparatus for separating a mixture
10/28/1993DE4313367A1 Electrophoresis unit - provides simultaneous accurate measurement of two or more samples separated by molecular weight, by fluorescent radiation or light absorption
10/28/1993DE4311478A1 Fuel type determination system - has sensors and data store for determining IC engine fuel mix ratio
10/28/1993DE4232781C1 Sepg. individual constituents as sample mixt.
10/28/1993DE4213070A1 Twin spaced apart conductor system for capacitance or resistance monitoring of land fill leakage - has sites which have been sealed against random losses of leachate
10/28/1993CA2133994A1 Nitric oxide sensor
10/28/1993CA2122014A1 Method for producing electro-chemical sensors made of metal, and an electro-chemical sensor produced by this method
10/28/1993CA2118521A1 Polymeric film-based electrochemical sensor apparatus
10/27/1993EP0567276A1 Method for increased resolution in tandem mass spectrometry
10/27/1993EP0567152A2 Humidity sensor
10/27/1993EP0566912A1 Apparatus for retaining an electrode by a magnetically shielded magnet
10/27/1993EP0566784A1 Polyacrylamide gel for electrophoresis
10/27/1993EP0566717A1 Miniaturized sensor element for determining the concentrations of substances in liquids and process for producing the same
10/27/1993EP0566624A1 A.c. field measurement testing system.
10/27/1993EP0462989B1 SENSOR ELEMENT FOR LIMIT CURRENT SENSORS FOR DETERMINING $g(l)-VALUES OF MIXTURES OF GASES
10/27/1993EP0287599B2 Sensor for controlling air circulation valves of motor vehicles
10/27/1993CN2144823Y Composite electrode for surveying acidity and alkalinity of fermented dough
10/27/1993CN2144822Y Soil moisture inductor
10/26/1993US5256966 Method for detecting flaws in a steam generator tube using a flexible eddy current probe having coil bank switching
10/26/1993US5256876 Scanning tunnel microscope equipped with scanning electron microscope
10/26/1993US5256875 Method for generating filtered noise signal and broadband signal having reduced dynamic range for use in mass spectrometry
10/26/1993US5256574 Using silicone polymer filled with electroconductive carbon black
10/26/1993US5256443 Method of producing metallic thin film sensors
10/26/1993US5256273 Electrochemical cell; meters oxygen at cathode based on gaseous phase diffusion; meters hydrogen at anode; current generated is linear to volumetric concentration of oxygen
10/26/1993US5256272 Solid electrolyte solution of strontium fluoride and lanthanum fluoride; dispersed phase of metal fluoride; reference electrode of known metal concentration; measurement of potential difference
10/26/1993US5256269 Method and apparatus for separating biological substances and organic compounds in solution
10/26/1993US5255656 Alcohol concentration sensor for automotive fuels
10/26/1993US5255554 Connecting circuit for an oxygen probe and method for checking for a correct probe connection
10/26/1993US5255553 Method and apparatus for determining specific thermal conductivity parameters of gases
10/26/1993US5255523 Method and apparatus for determining the solid fraction of a stored cryogenic refrigeration system
10/26/1993CA1323678C Plastic container inspection process
10/26/1993CA1323553C Method and device for improved restriction fragment length polymorphism analysis
10/26/1993CA1323508C Binary gas analyzer instrument and analysis method
10/25/1993CA2067068A1 Catalytically inactive compensator and process for making same
10/21/1993DE4312236A1 Integrated circuit for capacitive multicomponent-fuel sensor for vehicle - has compensation resistance, reference sensor, amplitude modulation detectors and combining output buffer
10/21/1993DE4212910A1 Coating sensor for chemical or medical analysis - has selectively permeable polymer membrane of adjustable thickness, solubility and diffusion properties or pore properties, giving specified cut=off mol.wt.
10/21/1993DE4212854A1 Coated ceramic sensor arrangement - determines oxygen@ partial pressure in gas mixt.
10/21/1993DE4212792A1 Operating conditions monitoring for electrochemical sensors - by measuring inlet of amplifier connected by switch to testing voltage at switch signal potential
10/20/1993EP0566289A1 Analysis of hemoglobin variants by capillary electrophoresis
10/20/1993EP0566214A2 Microprobe, preparation thereof and electronic device by use of said microprobe
10/20/1993EP0566196A1 Reservoirs
10/20/1993EP0566022A1 Insulated needle for forming an electrospray
10/20/1993EP0418329B1 Circuit for measuring the internal resistance of a lambda sensor
10/20/1993EP0138841B1 Transfer of macromolecules from a chromatographic substrate to an immobilizing matrix
10/20/1993CN2144305Y Detector for distilled water
10/20/1993CN1022466C Apparatus for making sublevel sedimentary iron spectrum
10/19/1993US5255258 Microprobe, preparation thereof and electronic device by use of said microprobe
10/19/1993US5254944 Inspection probe for inspecting irregularly-shaped tubular members for anomalies
10/19/1993US5254861 Biological aerosol particle detector and method having an electronic pulse detection means
10/19/1993US5254371 Forming cover electrode with evenly distributed microholes; applying silicon dioxide or aluminum oxide particles as colloidal dispersion on activated polymer surface
10/19/1993US5254235 Microelectrode arrays
10/19/1993US5254223 Electrochemical polymerization of poly(oxyphenylene) or poly(oxynaphthylene)
10/19/1993US5253539 Valve for use in an electrochemical analysis system
10/19/1993US5253515 Atomic probe microscope and cantilever unit for use in the microscope
10/19/1993CA1323151C Crosslinked polyetherurethane membranes useful in blood electrolyte sensors
10/18/1993CA2091944A1 Analysis of hemoglobin variants by capillary zone electrophoresis
10/16/1993CA2091738A1 Disposable reservoir
10/14/1993WO1993020435A1 Method and detector for separation processes
10/14/1993WO1993020434A1 Electrophoresis of nucleic acid fragments
10/14/1993WO1993020433A1 Micro fuel-cell oxygen gas sensor
10/14/1993WO1993020432A1 Humidity sensor
10/14/1993WO1993020239A1 Probe method and composition for detecting different dna sequences
10/14/1993WO1993020236A1 Probe composition and method
10/14/1993DE4310607A1 Nozzle analyser for chemical or biochemical electrolyte measurement analysis - contains specimen suction nozzle in one piece with sol. component sensor
10/14/1993DE4303917A1 Quality testing of lacquer layer on plate edge - by measuring electrical property esp. voltage drop
10/14/1993DE4226630A1 Ion selective polymer membrane with long service life
10/14/1993DE4211731A1 Solid electrolyte gas sensor - contains catalytically active or selective reference and measurement electrodes on solid electrolyte to produce characteristic signal patterns for individual components.
10/14/1993CA2133842A1 Humidity sensor
10/13/1993EP0565398A1 Headlights or lights in case of fog
10/13/1993EP0565027A1 Time modulated electrospray
10/13/1993CN1077286A Oxygen probe
10/13/1993CN1077285A Reagent for potassium, sodium and chlorine analyzers
10/13/1993CN1077284A Methods and apparatus for isotopic analysis
10/12/1993US5252949 Thin film of copper manganese oxide whose electrical resistance changes with carbon monoxide concentration
10/12/1993US5252925 Detector assembly for an electromagnetic induction-type conductivity meter
10/12/1993US5252920 Magnetic characteristics measuring apparatus with a balancing mechanism
10/12/1993US5252827 Method and apparatus for analysis of gases using plasma
10/12/1993US5252491 Aqueous carbon dioxide monitor
10/12/1993US5252294 For safely controlled handling of dnagerous materials in particular
10/12/1993US5252292 Electrolytic cell containing polyaniline
10/12/1993US5252192 Electrolytic pump
10/12/1993US5251765 Apparatus and method for segregating rods of undesirable alloy composition
10/12/1993US5251604 System and method for detecting deterioration of oxygen sensor used in feedback type air-fuel ratio control system of internal combustion engine
10/12/1993US5251475 Method and apparatus for determining contents of salt and water in water-in-oil type emulsified product
10/12/1993US5251470 Housing for fast exhaust gas sensors for a cylinder-selective lambda measurement in an internal combustion engine
10/12/1993CA2045484C Plasma mass spectrometer having a hollow tapered member
10/11/1993CA2065811A1 Method and apparatus for measuring dielectric properties of materials
10/07/1993DE4310279A1 Signal processor for evaluating test data e.g. in nuclear reactor testing - uses neural network with interconnection weighting factor correction
10/07/1993DE4210397A1 Gas and temp. sensor arrangement - for temp. independent determination of esp. oxygen@ partial pressure
10/07/1993DE4210396A1 Gas sensor arrangement - esp. for temp. independent determination of oxygen partial pressure
10/06/1993EP0564428A1 Electrical impedance detector for measurement of physical quantities, in particular of temperature, and process for manufacture of the said detector
10/06/1993EP0564273A1 Method and apparatus for effecting reaction of particles
10/06/1993EP0564164A1 Capacitive proximity sensors
10/06/1993EP0563690A1 Electrochemical measuring cell for detection of species in water solutions
10/06/1993EP0563613A2 Device for determining the partial pressure of gases in a gas mixture
10/06/1993EP0563259A1 Discontinuous and nonsequential polymeric gel systems for separation of macromolecules
10/06/1993EP0563236A1 Counterflow device and method to reduce the negative impact of contaminating materials used in moisture sensitive apparatuses or procedures
10/06/1993EP0519933B1 Oxygen sensor for lambda value determination
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