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)
11/1994
11/15/1994	US5364793 Methods for the diagnosis of peripheral nerve damage
11/15/1994	US5364521 Apparatus for performing capillary electrophoresis
11/15/1994	US5364520 Capillary column packed with glucomannan gel for capillary electrophoresis and methods for making and using same
11/15/1994	US5363832 Fuel vapor purging control system with air/fuel ratio compensating system for internal combustion engine
11/15/1994	US5363708 Self-clearing material sensing apparatus
11/15/1994	US5363697 Scanning probe microscope, molecular processing method using the scanning probe microscope and DNA base arrangement detecting method
11/15/1994	US5363696 Method and arrangement for oil well test system
11/12/1994	CA2095957A1 Measuring device for measuring the liquid/dry matter mixture ratio and a method of determining the liquid/dry matter mixture ratio
11/11/1994	CA2122690A1 Electrochemical sensor with multiple zones on a disc and its application to the quantitative analysis of glucose
11/10/1994	WO1994026029A1 Method and apparatus for multiplexing devices having long thermal time constants
11/10/1994	WO1994025946A1 Smoke detector sensitivity testing apparatus
11/10/1994	WO1994025866A1 Eddy current sensor for the non-destructive monitoring of metallization of apertures and pipes, and a process for producing the said sensor
11/10/1994	WO1994025865A1 Microprocessor controlled triboelectric instrument
11/10/1994	WO1994025864A1 Sensor unit for determining the gas component concentration
11/10/1994	WO1994025863A2 Process for depositing a large-surface layer through a mask and optional closure of said mask
11/10/1994	WO1994025854A1 Electrochemiluminescent process
11/10/1994	WO1994025853A1 Electrochemiluminescent process
11/10/1994	WO1994025642A1 ELECTROCHEMICAL CATALYTIC REDUCTION OF NOx IN AN O2-CONTAINING EXHAUST EMISSION
11/10/1994	WO1994025144A1 Electrophoretic resolution of charged molecules
11/10/1994	DE4314755A1 Capillary-electrophoresis separation method and device for carrying out chemical and biochemical analyses
11/09/1994	EP0623819A2 System for analyzing the concentration of a number of different ions in a watery solution
11/09/1994	EP0623681A1 Method for measuring sample by enzyme electrodes
11/09/1994	EP0623221A1 Method and device for the detection of structural changes in solid bodies.
11/09/1994	EP0515493B1 Silver sulphide membrane for the determination of halide ions during preparation of photographic emulsions
11/09/1994	CN2182407Y Thin-film gas sensitive element with silicon multiple film
11/08/1994	US5363455 Optical information processor
11/08/1994	US5363314 Fuel character judging system
11/08/1994	US5363091 Catalyst monitoring using ego sensors
11/08/1994	US5363040 Non-destructive eddy current part testing using thermal printing
11/08/1994	US5362975 Diamond-based chemical sensors
11/08/1994	US5362651 Detecting carbon monoxide by exposing sensor comprising metal oxide component /containing at least bismuth, strontium and copper/ and pair of spaced electrodes to carbon monoxide atmosphere, measuring current flow between electrodes
11/08/1994	US5362383 Self-contained reverse osmosis electronic monitoring system
11/08/1994	US5361624 Sensor for dissolved air in brake fluid and method of using the same
11/03/1994	DE4342804C1 Safeguarding device against ozone emissions for ozone-generating and/or ozone-destroying devices
11/03/1994	DE4314819A1 Capacitive sensor device
11/03/1994	DE4314274A1 Method and device for diameter adjustment for sensors of measurement and/or testing devices, which sensors are provided on a rotary-driven test head
11/02/1994	EP0622628A2 Probe sensing the humidity of materials
11/02/1994	EP0622608A1 Scanning apparatus for investigating surface structures with a resolution of microns and method of its manufacture
11/02/1994	EP0621949A1 A moisture sensor.
11/02/1994	EP0621947A1 Method and apparatus for performing and universally detecting capillary isoelectric focusing without mobilization using concentration gradient imaging systems
11/02/1994	EP0382736B1 Receptor membranes
11/02/1994	CN2181691Y Industrial intelligence micro-sodium meter
11/02/1994	CN2181690Y Textile processing parameter integrative tester
11/02/1994	CN1094514A Gas sampling and testing instrument
11/01/1994	US5361030 Leak detector for electro-magnetic induction-type conductivity meter
11/01/1994	US5361027 Apparatus for non-contact dynamic inspections of a plurality of pieces
11/01/1994	US5360978 Multiple-tip scanning tunneling microscopy
11/01/1994	US5360880 Reacting pyrrole with unsaturated aldehyde
11/01/1994	US5360529 Reference half-cell electrode
11/01/1994	US5360528 Wide range oxygen sensor
11/01/1994	US5360523 DNA sequencing
11/01/1994	US5360266 Control and analysis circuit device for measuring reaction heat
11/01/1994	US5359939 Support device for in-line pipe inspection tool
10/1994
10/27/1994	WO1994024717A1 Sulfonated polymers for solid polymer electrolytes
10/27/1994	WO1994024562A1 Surface amplifier
10/27/1994	WO1994024550A1 Sensor for identifying gases and/or determining the concentration of gases in mixtures
10/27/1994	WO1994024549A1 Sensors
10/27/1994	WO1994024262A1 Peroxidase colloidal gold oxidase biosensors for mediatorless glucose determination
10/27/1994	WO1994024236A1 Black and white electrophoretic particles and method of manufacture
10/27/1994	WO1994024213A1 Cyclic-substituted unsymmetrical cyanine dyes
10/27/1994	WO1994024126A1 Ion-sensitive calixarenes
10/27/1994	DE4314007A1 Measuring electrode arrangement
10/27/1994	CA2160680A1 Black and white electrophoretic particles and method of manufacture
10/27/1994	CA2136017A1 Ion-sensitive compounds
10/26/1994	EP0621488A1 A drill-probe for the measurement of the electric resistivity of a soil
10/26/1994	EP0621466A1 System for capacitive level measurement and its use
10/26/1994	EP0620919A1 Method for determining gas hold-up.
10/26/1994	EP0620869A1 A method for the acidic conversion treatment of aluminum containing metal
10/26/1994	EP0615619A4 Magnetometer of increased sensitivity, selectivity and dynamic range.
10/26/1994	EP0614528A4 Gel electrophoresis sample applicator/retriever.
10/26/1994	EP0576548A4 Magnesium electrode.
10/26/1994	EP0363413B1 Electrochemical analyzer for measuring the concentration of atoms or molecules in a fluid and method of making same
10/26/1994	CN2180997Y Cell for measuring oxygen content
10/26/1994	CN2180996Y 磷酸根离子选择性电极 Phosphate ion selective electrode
10/26/1994	CN2180995Y Autamatic alarm for oxygen shortage of automobile
10/26/1994	CN2180994Y Wireless gas alarm
10/26/1994	CN2180988Y Multi-function temp. oxygen measuring apparatus
10/26/1994	CN1094162A Low-stress hidden fragmentation danger detector for pickling boiler pipes
10/25/1994	US5358735 Method for manufacturing solid oxide film and method for manufacturing solid oxide fuel cell using the solid oxide film
10/25/1994	US5358619 A container substrate having dents on surfaces connected by electrolyte filled grooves, bonded to electrode through a gas-permeable film; adhesion, nonpeeling; medical equipment, detectors for amino acids, biosensor
10/25/1994	US5358618 Capillary electrophoresis apparatus with improved electroosmotic flow control
10/25/1994	US5358613 Method and apparatus for injecting liquid into a capillary tube
10/25/1994	US5358612 Introducting sample containing anion or cation of interest into capillary, containing a buffer contacting with ion exchange material, also contains regenerant; applying voltage, exchanging ions of buffer, measuring electroconductivity
10/25/1994	US5357791 OBD-II exhaust gas oxygen sensor
10/20/1994	DE4412525A1 Oxygen sensor
10/20/1994	DE4330909C1 Eddy-current testing probe for insertion into a gap
10/20/1994	DE4312506A1 Electrochemical oxygen sensor
10/20/1994	DE4312289A1 Method and circuit arrangement for controlling the temperature of a resistance heater
10/20/1994	DE4312126A1 Gas diffusion electrode for electrochemical cells
10/20/1994	DE4311849A1 Sensor for the determination of gas components and/or gas concentrations of gas mixtures
10/19/1994	EP0620433A2 Electrochemical sensor
10/19/1994	EP0620432A1 Method for controlling sample introduction in microcolumn separation techniques and sampling device
10/19/1994	EP0620420A1 Method and device for measuring the flow of an electrolytic fluid
10/19/1994	EP0619882A1 Apparatus for direct blotting and automated electrophoresis, transfer and detection and processes utilizing the apparatus thereof
10/19/1994	EP0619881A1 Electrophoresis gel container assemblies
10/19/1994	EP0619867A1 Method and apparatus for determining the solid fraction of a stored cryogenic refrigeration system
10/19/1994	EP0619754A1 Photoionization ion mobility spectrometer.
10/19/1994	CN2179974Y Wire rope flaw detector
10/19/1994	CN1093846A Fiber optic cable monhoring system
10/19/1994	CN1026249C Method and sensor electrode system for the electrochemical determination of an analyte or an oxidoreductase as well as the use of suitable compounds therefor

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