Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
05/1993
05/04/1993US5208147 Means for measuring a characteristic in a sample fluid
05/04/1993US5207886 Capillary electrophoresis
05/04/1993US5207880 Fluorescent marking of DNA, scanning and modulation
05/04/1993CA1317346C Method, apparatus and solution for calibration of partial pressure value
04/1993
04/29/1993WO1993008480A1 Combustible gas sensor
04/29/1993WO1993008477A1 SELF DIAGNOSTIC pH SENSOR
04/29/1993WO1993008467A1 Sensing gaseous substances
04/29/1993WO1993008466A1 Multiple gas property sensor
04/29/1993WO1993008465A1 Miniature gas sensor
04/29/1993WO1993008464A1 Method and device for biochemical sensing
04/29/1993WO1993008463A1 INSULATED CORE ELECTRODE FOR pH SENSOR
04/29/1993WO1993008382A1 Method and apparatus for initiating regeneration in an engine exhaust particulate filter
04/29/1993WO1993008200A1 β-1,3-GLUCAN POLYSACCHARIDES, COMPOSITIONS, AND THEIR PREPARATION AND USES
04/29/1993DE4235696A1 Controlling application of specimen for electrophoretic device using reciprocally movable specimen carrier - measuring temp. and humidity in region of carrier element to determine waiting and application times
04/29/1993DE4135046A1 Coated electrode for sensor for detection of dielectric properties - is used with fluid, gas-form and/or pourable media and comprises outer and inner conductors forming capacitor enclosed in e.g. dielectric plastic layer
04/29/1993DE4134783A1 Electroconductive porous inorganic material used as filter or sensor - contains porous inorganic substance, pref. aluminosilicate or aluminium phosphate, and semiconducting metal oxide, pref. tin di:oxide, carbon di:oxide and/or zinc oxide
04/29/1993CA2121797A1 Method and device for biochemical sensing
04/29/1993CA2120230A1 .beta.-1,3-glucan polysaccharides, compositions, and their preparation and uses
04/29/1993CA2119436A1 Insulated core electrode for ph sensor
04/28/1993EP0539321A1 Interferometric detector having atomic resolution, its use and method for exploiting the detector
04/28/1993EP0538910A2 Frost and dew sensor
04/28/1993EP0538678A2 O-FID analytical equipment and method
04/28/1993EP0538428A1 Process for producing miniaturised chemo and bio-sensor elements with an ion-selective diaphragm and bases for these elements
04/28/1993EP0538309A1 Process and apparatus for determining carrier concentration in semiconductors
04/28/1993EP0538274A1 IMPROVEMENTS IN OR RELATING TO GLASS pH ELECTRODES.
04/28/1993EP0343210B1 Electrochemical electrodes
04/28/1993EP0198920B1 Flow measuring apparatus with analog, essentially linear output
04/28/1993CN1071511A Air humidity collecting unit
04/28/1993CN1071510A Nox sensor and process for detecting nox
04/28/1993CN1071509A So2 sensor and process for detecting so2
04/28/1993CN1071508A Nox sensor assembly
04/27/1993US5206615 Sensor for measuring solute concentration in an aqueous solution
04/27/1993US5206598 Isothermal capacitance transient spectroscopy method and apparatus
04/27/1993US5206594 Apparatus and process for improved photoionization and detection
04/27/1993US5206588 Apparatus and process for the non-destructive measurement of the ohmic resistance of a thin layer using eddy currents
04/27/1993US5206508 Tandem mass spectrometry systems based on time-of-flight analyzer
04/27/1993US5206506 Ion processing: control and analysis
04/27/1993US5206145 Method of measuring the concentration of a substance in a sample solution
04/27/1993US5205917 Fluorophore assisted carbohydrate electrophoresis diagnosis
04/27/1993US5205253 Engine operation interrupt using engine operating parameters
04/27/1993US5205151 Alcohol concentration sensor testing apparatus
04/27/1993CA1316981C Sample analysis
04/27/1993CA1316715C Thin film moisture sensing elements and process for the manufacture thereof
04/27/1993CA1316710C Combustible gas detector having temperature stabilization capability
04/22/1993DE4134549A1 Milk quality monitoring - by registering milk electroconductivity directly as it flows during milking for comparison with one or more earlier readings
04/22/1993DE4134212A1 Micro-ionisation sensor to detect pollutants in air - comprises ion source, gas passage, ion path, control system, collector electrodes, amplifier and conductor system formed within cylindrical semiconductor element
04/21/1993EP0538084A1 Capacitance monitor for soil moisture
04/21/1993EP0537956A2 Reference electrode system for detection of monovalent cations
04/21/1993EP0537928A1 Magnetic inspection machine
04/21/1993EP0537210A1 Continuous rbcod measurement.
04/21/1993EP0440757B1 Process and device for checking the operability of an exhaust gas probe heater and its supply system
04/21/1993CN1071256A Quick detecting probe for water content in bulk materials
04/20/1993US5204622 Improved probe for inspecting tubes having mechanism for maintaining alignment of probe axis of rotation
04/20/1993US5204266 Method and apparatus for liquid phase calibration of oxygen and carbon dioxide partial pressure
04/20/1993US5204239 Biosensors including lipid bilayer doped with ion channels anchored to a recording electrode by bridging molecules
04/20/1993US5203984 Monitoring system for plant operation condition and its in-situ electrochemical electrode
04/20/1993US5203983 Air-fuel ratio sensor for an internal combustion engine and an air-fuel ratio control apparatus using the same
04/20/1993US5203339 Method and apparatus for imaging a physical parameter in turbid media using diffuse waves
04/20/1993CA1316578C Electronic controller for a water purifying unit
04/20/1993CA1316572C Precalibrated, disposable, electrochemical sensors
04/15/1993WO1993007482A1 Apparatus and method for aligning capillary column and detection optics
04/15/1993WO1993007480A1 End-column conductivity detector for capillary zone electrophoresis
04/15/1993WO1993007479A1 Broad span dynamic precious metal assay method
04/15/1993WO1993007478A1 System and method for improving sample concentration in capillary electrophoresis
04/15/1993WO1993007477A1 Exhaust gas sensor using planar technology to regulate motor vehicle engines
04/15/1993WO1993007471A1 Detecting a radiation signal
04/15/1993WO1993007464A1 Surface energy and surface charge meter
04/15/1993DE4233977A1 IC engine exhaust system catalyser deterioration detector - contains upstream and downstream oxygen sensors, arrangement for evaluating areas of sensor signal graphs
04/15/1993DE4133947A1 Sensor for decomposition prod. of insulating gas pref. sulphur hexa:fluoride - comprises indicator composed of composite material including a filler in matrix which is chemically inert and permeable to prods.
04/14/1993EP0536930A1 Apparatus for interfacing liquid chromatography-mass spectrometry systems
04/14/1993EP0536346A1 Hydrogen rod electrode with integrated hydrogen source
04/14/1993EP0536333A1 Eddy current imaging system
04/14/1993EP0394272B1 Ptc temperature sensors, process for producing ptc temperature-sensing elements for ptc temperature sensors
04/14/1993CN2129953Y Automatic control gor gas alarm and outside electric appliance
04/14/1993CN1071011A Capacitace monitor for soil moisture
04/13/1993US5202667 Electric leakage detector for underground storage tank systems
04/13/1993US5202641 Method, test probe and apparatus for the measurement of alternating current potential drop by confining test current to a skin region of a test specimen
04/13/1993US5202637 Fault detection in electrochemical gas sensing equipment
04/13/1993US5202563 Tandem time-of-flight mass spectrometer
04/13/1993US5202562 High sensitive element analyzing method and apparatus of the same
04/13/1993US5202154 Applying oxides of transition metal oxides to the surface of substrate to cover selected area of electrodes and substrates firing
04/13/1993US5202092 Automatic
04/13/1993US5202016 Streaming current detector with head-creating passageway and fluid treatment system using same
04/13/1993US5202011 Containing diffusion membrane
04/13/1993US5202010 Automated capillary electrophoresis apparatus
04/13/1993US5202007 Separations using homo- or copolymers made from unsaturated hydroxyalkyl amides
04/13/1993US5202006 Using barbituric acid buffer
04/13/1993US5202004 Determining contour of surface
04/13/1993US5201229 Sensor for controlling water quality of reactor and method of controlling said water chemistry
04/13/1993CA1316212C Cycling biochip sensor
04/13/1993CA1315927C Ion carrier membrane, and ion sensor having same
04/08/1993DE4239319A1 Hybrid manufacture of air gap and gate of Suspended Gate FET without using spacers producing gate separately from base structure, with air gap height based on height difference of channel and field isolators
04/08/1993DE4202556C1 Measurement probe for temp. and dampness - has moisture and temp. sensitive resistor made of cement, graphite and quartz sand
04/08/1993DE4132549A1 Measurement value acquiring appts. for semiconducting gas sensors - contains LC oscillator based on asymmetrical differential amplifier circuit with bipolar or unipolar transistor pair
04/08/1993DE4131927A1 Sensor element prepn. with ion-selective electrode - by working cavity into chip and filling with ion-selective membrane soln.
04/08/1993DE4126810A1 Determining the remanence of ferromagnetic component for non-destructive materials testing - magnetising component with field of cooled magnetising coil and determining remanence taking account of premagnetisation
04/07/1993EP0536034A1 Method for the elaboration of a high critical temperature superconducting material
04/07/1993EP0535898A1 Hydrophilic polyurethane membranes for electrochemical glucose sensors
04/07/1993EP0535586A2 Nucleotide sequence determination employing matched dideoxynucleotide terminator concentrations
04/07/1993EP0370003B1 Sensor construction