Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
05/2004
05/27/2004WO2004044569A2 Mems membrane based sensor
05/27/2004WO2004044548A2 Ph measurement system
05/27/2004WO2004044539A2 Non-contact surface conductivity measurement probe
05/27/2004WO2004044272A1 Measurement of the concentration of a reducing agent in an electroless plating bath
05/27/2004WO2004043581A1 Staining apparatus for stacked electrophoresis slab gels
05/27/2004WO2004010537B1 Flexible biochip
05/27/2004WO2003079402A3 Latex based adsorbent chip
05/27/2004WO2003076953A3 An electrical condition monitoring method for polymers
05/27/2004WO2003046567A3 Protein biopolymer markers predictive of alzheimers disease
05/27/2004WO2002099405A8 Method for measuring the concentration of water in argon, hydrogen, nitrogen and helium by means of ionization mobility spectrometry
05/27/2004WO2002079754A3 Contact potential difference sensor to monitor oil properties
05/27/2004WO2001073417A9 Ultra high throughput microfluidic analytical systems and methods
05/27/2004US20040101974 Spot picker device and method for picking gel plugs
05/27/2004US20040101973 Comprising content of acids and bases of different pKS values; pH gradients
05/27/2004US20040101889 Method of detection by enhancement of silver staining
05/27/2004US20040100300 Test probe for electrical devices having low or no wedge depression
05/27/2004US20040100291 Oil deterioration detection apparatus
05/27/2004US20040100290 Method of using an array of electrodes for high throughput development and testing of materials
05/27/2004US20040100285 Multiple frequency grain moisture sensor for combines
05/27/2004US20040100284 Method for detecting PCR product using electrical signal
05/27/2004US20040100277 Non-contact surface conductivity measurement probe
05/27/2004US20040100271 Oxygen sensor abnormality detecting device having offset voltage circuit
05/27/2004US20040100269 Nanotube sensor
05/27/2004US20040100268 Method and apparatus for separating biological molecules
05/27/2004US20040100256 Oil and gas well tubular inspection system using hall effect sensors
05/27/2004US20040099536 Methods of producing electrodes and methods of using such electrodes to accumulate and detect analytes
05/27/2004US20040099531 Methods and apparatus for electrochemically testing samples for constituents
05/27/2004US20040099530 Electrical interface for a sensor
05/27/2004US20040099528 Oxygen sensor deterioration detection apparatus and method
05/27/2004US20040099053 Air/fuel-ratio detecting apparatus
05/27/2004US20040099047 Thin film gas sensor
05/27/2004US20040099041 Element impedance detection apparatus and method for oxygen sensor
05/27/2004DE19901041B4 Vorrichtung und Verfahren zum Messen von Meßgrößen in einer Flüssigkeit Apparatus and method for measuring measurable variables in a liquid
05/27/2004DE19857851B4 Detektionsgerät für physikalische und/oder chemische Größen Detection apparatus for physical and / or chemical quantities
05/27/2004DE10348175A1 Air-fuel ratio sensor used in atmosphere of unburned gas, e.g. exhaust gas, comprises cylindrical housing containing air-fuel ratio sensor element, cover on atmosphere side, and cover on measuring gas side
05/27/2004DE10348036A1 Verfahren zum Herstellen von Gassensorelementen A process for the manufacture of gas sensing elements
05/27/2004DE10343751A1 Methanol content measuring sensor for fluid mixtures, has controller switching between two oscillators that operate capacitor in two different modes to obtain indication of conductance and capacitance, respectively
05/27/2004DE10253595A1 Process for monitoring a reference half-cell comprises intermittently operating a measuring point in an operating mode and in a test mode, measuring the ion concentration in the operating mode, and testing the functionality
05/27/2004DE10253154A1 Biosensor, used to identify analyte in liquid sample, has test field with detector, where detector registers field changes as electrical signals for evaluation
05/27/2004DE10253068A1 Analysis of methylation patterns in a genomic DNA comprises amplification of a target DNA by a method that retains the methylation pattern of the template, followed by analysis of the amplification product by mass spectrometry
05/27/2004DE10252481A1 Reference electrode, used in electrochemical measuring systems, comprises membrane in contact with analyte and made from material formed from transition metal oxide bronze with alkali metals
05/27/2004CA2505827A1 Non-contact surface conductivity measurement probe
05/27/2004CA2448172A1 Oil and gas well tubular inspection system using hall effect sensors
05/26/2004EP1422519A1 Sensor for measuring a gas concentration or ion concentration
05/26/2004EP1422511A1 Zircaloy electrode for measuring the electrochemical corrosion potential (ECP)
05/26/2004EP1422510A1 Improved apparatus and method for the detection and measurement of particulates in molten metal
05/26/2004EP1422493A1 Device and method for identifying metal body
05/26/2004EP1421841A2 Combine harvester
05/26/2004EP1421601A2 A method for dissociating ions using a quadrupole ion trap device
05/26/2004EP1421600A2 A method of reducing space charge in a linear ion trap mass spectrometer
05/26/2004EP1421596A1 Capacitive discharge plasma ion source
05/26/2004EP1421439A1 Electrophoretic display and process for its manufacture
05/26/2004EP1421382A1 Methdo and arrangement for analyzing substances
05/26/2004EP1421375A2 Method and apparatus for determination of water and for normal phase liquid chromatography
05/26/2004EP1421374A2 Voltammetric ion-selective biosensor
05/26/2004EP1421373A2 Apparatus and method for separating an analyte
05/26/2004EP1421372A2 Method and apparatus for calibrating electrochemical sensors
05/26/2004EP1421371A1 Biosensor
05/26/2004EP1421370A1 Self-powered biosensor
05/26/2004EP1421369A2 Sensor
05/26/2004EP1421363A1 Method for measuring properties of a particle distribution
05/26/2004EP1421362A1 Method of measuring density properties of a particle distribution
05/26/2004EP1421360A1 Microscale affinity purification system
05/26/2004EP1421350A1 Combined fluid condition monitor and fluid level sensor
05/26/2004EP1421220A2 Method and nucleic acids for the analysis of colon cancer
05/26/2004EP1421218A2 Model of autoimmune disease and methods for identifying agents against autoimmune disease
05/26/2004EP1421213A2 Labeled nucleoside polyphosphates
05/26/2004EP1420955A1 Water content sensing system for ink/water emulsion of lithographic printing press
05/26/2004CN2618166Y Oxygen content determiner for zirconium oxide
05/26/2004CN2618165Y Capacitance materials water content measuring equipment
05/26/2004CN1500211A Method and device for detecting concentration of oxygen-contg. compound in analyte gas
05/26/2004CN1500210A Solid electrolyte sensor for monitoring con centration of element in flud particularly molten metal
05/26/2004CN1500000A Method for analyzing mass spectra
05/26/2004CN1499949A Analyte measurement
05/26/2004CN1499199A Gas sensor mfg. method
05/26/2004CN1499198A Analyzing electrode for content density and density analyzer
05/26/2004CN1499197A Analyzing electrode and density analyzer
05/26/2004CN1499196A Mfg. method of double glass tube and ion measuring composite electrode
05/26/2004CN1499194A Method of detecting PCR product by using electrical signal
05/26/2004CN1151535C Ion reflection comprising flexible printed circuit board
05/26/2004CN1151375C Method and apparatus for determination of substance coexisting with another substance
05/26/2004CN1151374C Self-addressable self-assembling microelectronic system and devices for molecular biological analysis and diagnostics
05/26/2004CN1151372C Nitrogen oxide sensor
05/26/2004CN1151269C Method for diagnostic DNA testing
05/25/2004US6741084 Precise thermally corrected conductivity measurement
05/25/2004US6741083 Oscillating device for the determination of the purity of single or multi-component liquids from their dielectric permittivity, in a continuous way and through frequency changes in the static permittivity region and an associated measurement procedure
05/25/2004US6741076 Eddy current measuring system for monitoring and controlling a CMP process
05/25/2004US6741074 Method and apparatus for separating electrical runout from mechanical runout
05/25/2004US6740911 α-WO3-gate ISFET devices and method of making the same
05/25/2004US6740874 Ion mobility spectrometer with mechanically stabilized vacuum-tight x-ray window
05/25/2004US6740873 Method for measuring the concentration of nitrogen in argon by means of ion mobility spectrometry
05/25/2004US6740518 Signal detection techniques for the detection of analytes
05/25/2004US6740497 Method and apparatus for detecting cancerous cells using molecules that change electrophoretic mobility
05/25/2004US6740433 Method and apparatus for monitoring a hydrogen containing gas stream
05/25/2004US6740225 Electrical thick film
05/25/2004US6740219 Electrophoresis analysis apparatus and sample vessel used therefor
05/25/2004US6740218 Gas sensor
05/25/2004US6740217 Structure of gas sensor designed to minimize error of sensor output
05/25/2004US6740216 Potentiometric sensor for wellbore applications
05/25/2004US6740214 Microelectrode biosensor and method therefor