Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
06/1999
06/08/1999US5910445 System for the detection of protein contamination on an electrode
06/08/1999US5910257 Purifying, removing the radioactive impurities in phosphoric acid by dipping a semiconductor into the heated phosphoric acid, the radioactive deposit on semiconductor
06/08/1999US5910239 Potentiometric CO2 sensor having an open titanate- or stannate-based reference electrode
06/08/1999CA2192019C Amperometric dual-electrode sensors
06/03/1999WO1999027369A1 Method and apparatus for making quantitave measurements of localized accumulations of magnetic particles
06/03/1999WO1999027367A1 Device and method for detecting analytes
06/03/1999WO1999027358A1 A testing method for machined workpieces
06/03/1999WO1999027357A1 Materials, method and apparatus for detection and monitoring of chemical species
06/03/1999WO1999027356A1 Improvements in or relating to electrochemical assays
06/03/1999WO1999026533A1 Methods, kits, electrodes and compositions for assessing the level of an analyte of interest in fluid samples
06/03/1999CA2310467A1 A testing method for machined workpieces
06/02/1999EP0919810A1 Gas analyser
06/02/1999EP0919808A1 Sulfur dioxide gas sensor
06/02/1999EP0919807A1 Oxygen Sensor
06/02/1999EP0918999A2 Non-destructive process and device for determining the parameters of ferromagnetic materials
06/02/1999EP0918988A1 Apparatus and method for gas chromatography
06/02/1999EP0918986A1 Sensors for detecting analytes in fluids
06/02/1999EP0918985A1 Method for manufacturing an element formed with semiconductor(s) and fire detector comprising such an element
06/02/1999DE19854889A1 Sensor for determining nitrogen oxides in vehicle exhaust gas
06/02/1999DE19853841A1 High voltage detection electrode for particles in gases
06/02/1999DE19852247A1 Sensitive sensor for nitrogen oxides
06/02/1999DE19817671A1 Manipulation of electrochemical process on electrode
06/02/1999DE19803990A1 Measurement of proportion of paramagnetic gas particles, e.g. oxygen, in gas
06/02/1999DE19752965A1 External ignition IC engine exhaust-gas cleaning system monitoring method
06/02/1999DE19750988A1 Apparatus to determine extent to which ion-exchange unit is exhausted
06/02/1999DE19750788A1 Ionization measurement chamber
06/02/1999CN2322145Y Intelligent steel cable fault detector
06/02/1999CN2322144Y Organic material moisture dynamic investigator
06/02/1999CN1218180A Ultra high purity gas analysis using atmospheric pressure ionization mass spectrometry
06/01/1999US5909118 Combination of a flux coupling coefficient, a resonant pick-up coil circuit and a driving frequency spectrum for increasing the spatial resolution of polar coordinates sensors
06/01/1999US5909114 Coulometric analysis method and a device therefor
06/01/1999US5908552 Column for capillary chromatographic separations
06/01/1999US5908546 Detection of hydrogen chloride
06/01/1999US5908162 Spray gun having an anti-back-ionization probe with a control system therefor
06/01/1999CA2112910C Fluid sampling system
05/1999
05/28/1999CA2222835A1 Method and apparatus for real-time detection of airborne conductive contaminants
05/27/1999WO1999026305A1 Method for determining materials conversion in electrochemical reactions and electrochemical unit
05/27/1999WO1999026186A1 High throughput optical scanner
05/27/1999WO1999026062A1 Multiple frequency quantitative coating characterization
05/27/1999WO1999026061A1 Gas sensor
05/27/1999WO1999026060A1 Exhaust gas sensor
05/27/1999WO1999026055A1 Method, device and installation for analysing a gas effluent for determining dust rate
05/27/1999WO1999026051A2 Calorimetric hydrocarbon gas sensor
05/27/1999WO1999025474A1 Catalytic structure and method of making the same
05/27/1999WO1999012045A3 Apparatus for measuring minority carrier lifetimes in semiconductor materials
05/27/1999DE19841568A1 Automatic regeneration of washing up machine water softener
05/27/1999DE19752400A1 Method and apparatus for determining the quality of a mold or mold material
05/27/1999DE19749535A1 Schaltung zum Beheizen eines Bauteils Circuit for heating of a component
05/27/1999DE19749395A1 Sensor element connection contact
05/27/1999CA2310672A1 High throughput optical scanner
05/26/1999EP0918215A2 Gas sensor
05/26/1999EP0917728A1 Ion storage time-of-flight mass spectrometer
05/26/1999EP0917653A1 Method of and apparatus for torque magnetometry
05/26/1999EP0917441A1 Ferromagnetic foreign body screening method and apparatus
05/26/1999EP0750744B1 Miniaturized flow-measurement chamber with integrated chemo and/or bio-sensor elements
05/26/1999EP0679253B1 Improvements in or relating to electrochemical reactions
05/26/1999CN2321001Y Cooprative micro pressure sampling device for capillary electrophoretic apparatus
05/26/1999CN2321000Y Optical detecting head for capillary electrophoretic apparatus
05/26/1999CN2320999Y Carbon monoxide alarm
05/26/1999CN1217790A Measure sensor and method for producing same
05/26/1999CN1217653A Functionalized nanotubes
05/26/1999CN1043488C Solid polymer electrolyte capillary type oxygen sensor
05/25/1999US5907765 Method for forming a semiconductor sensor device
05/25/1999US5907408 Surface plasmon sensor
05/25/1999US5907280 Static electrification assisted dielectrokinesis detection of plastics and other materials
05/25/1999US5907278 For measuring characteristics of motor oil in a vehicle
05/25/1999US5907154 Ionization device
05/25/1999US5906726 Housings with apertures, counter electrodes, resistors and electroconductors
05/25/1999US5906724 Apparatus for separation of nucleated blood cells from a blood sample
05/25/1999US5906723 Electrochemical detector integrated on microfabricated capillary electrophoresis chips
05/25/1999US5906719 Sensor device
05/25/1999US5906718 Electrochemical gas sensor for the detection of nitrogen dioxide
05/25/1999CA2254466A1 Oxygen sensor
05/25/1999CA2112901C Sample introducing apparatus and sample modules for mass spectrometer
05/20/1999WO1999024887A1 Circuit for heating a component
05/20/1999WO1999024828A1 Serpentine electrophoresis channel with self-correcting bends
05/20/1999WO1999024827A1 Microfabricated capillary array electrophoresis device and method
05/20/1999WO1999024826A1 A gas sensor
05/20/1999WO1999024825A1 Production of the chalcogenide glass layer of a heavy metal electrode by means of laser ablation
05/20/1999WO1999024824A1 Measuring device comprising a sampling cell and used for detecting small amounts of samples in liquids
05/20/1999WO1999024823A1 Nanoelectrode arrays
05/20/1999WO1999024822A1 Rapid screening assay methods and devices
05/20/1999WO1999024808A1 Fugitive emission sensing system
05/20/1999WO1999024807A2 Permittivity sensor
05/20/1999WO1999024783A1 Microelectromechanical positioning apparatus
05/20/1999WO1999024377A1 Boron nitride sealing element
05/20/1999WO1999024369A2 Amperometric halogen control system
05/20/1999WO1999017107A3 Micro-structured bio-sensor, use of said bio-sensor and method for immobilising bio-catalysts
05/20/1999DE19751128A1 Electro-chemical oxygen sensor
05/20/1999DE19750832A1 Splitting of components of a mixture by capillary electrophoresis
05/20/1999DE19748556A1 Magnetic flux measurement system
05/20/1999DE19746000A1 Verfahren zur Ermittlung von Defekten in Werkstücken sowie Anlage und Magnetfeldmeßgerät zur Durchführung dieses Verfahrens Method for determining defects in metals as well as plant and fluxgate for implementing this method
05/20/1999CA2310267A1 Rapid screening assay methods and devices
05/20/1999CA2304723A1 Microelectromechanical positioning apparatus
05/19/1999EP0916942A1 Method for producing electrochemical element and electrochemical element
05/19/1999EP0916941A2 Method and apparatus for detecting a functional condition of an NOx occlusion catalyst
05/19/1999EP0916092A1 Analytical method and apparatus
05/19/1999EP0916089A1 Process and device for suppressing cross girder signals when inspecting prestressed concrete construction elements by the residual magnetic field measurement method
05/19/1999EP0916088A1 Mobility-based and normalized capillary electrophoresis
05/19/1999EP0916087A1 Solid state oxygen sensor