Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
02/1989
02/14/1989CA1250020A1 Ambient sensing devices with isolation
02/14/1989CA1250019A1 Electrode for electrochemical sensors
02/14/1989CA1249924A1 Air electrode material for high temperature electrochemical cells
02/14/1989CA1249923A1 Cobalt doped lanthanum chromite material suitable for high temperature use
02/09/1989WO1989001159A1 Receptor membranes
02/09/1989WO1989001149A1 Hydrocarbon flame ionization detector
02/09/1989WO1989001148A1 Combustible gas sensor
02/09/1989WO1988009981A3 Polymers, and their use as gels for electrophoresis
02/09/1989DE3725597A1 Ionometric sensor
02/09/1989DE3725026A1 Electronic control unit for garden irrigating (watering) systems
02/08/1989EP0302727A2 Monitoring apparatus
02/08/1989EP0302661A1 Sensor
02/08/1989EP0302228A2 Probe for measuring the activity of ions and use thereof
02/08/1989EP0302127A1 Polarographic-amperometric sensor
02/08/1989EP0179705B1 Method and apparatus for checking the electrical continuity of a device composed of electrically conductive matter by measuring the impedance
02/08/1989EP0125310B1 Electrophoresis using alternating transverse electric fields
02/08/1989CN2032322U Portable wire rope crack detector
02/07/1989USH576 Electropheresis apparatus having safety device
02/07/1989US4803563 Rotor-in-stator examination magnetic carriage and positioning apparatus
02/07/1989US4803466 Cleaning machine for carpet, upholstery and draperies
02/07/1989US4803435 Method and apparatus for detecting dielectric defects
02/07/1989US4803428 Method and apparatus for non-destructive material testing, particularly for determination of thickness of coating layers on a base material by measuring electrical conductivity or magnetic permeability at the finished specimen
02/07/1989US4802969 Gel plate assembly for electrophoresis
02/07/1989US4802957 Pyridine derivative, imidazole or derivative as amine
02/07/1989US4802369 Sensor structure
02/02/1989DE3810409A1 Enclosure of heated gas indicator sensors
02/02/1989DE3724040A1 Membrane body for membrane-covered electrodes
02/01/1989EP0301906A2 Apparatus and method for providing a combined ultrasonic and eddy current inspection of a tube
02/01/1989EP0301897A2 Oxygen analyzer
02/01/1989EP0301395A2 On-line electrostatic defect detector for polyester base
02/01/1989EP0140895B1 Device for detecting defects in a surface of an object
02/01/1989CN2031929U Electrophoretic tank capable of generating equal-strength alternating current field
01/1989
01/31/1989US4802101 Signal processing method for determining base sequence of nucleic acid
01/31/1989US4801886 Mounting means for water chemistry analysis device
01/31/1989US4801865 Moisture sensor probe with at least two groups of resistive arrays
01/31/1989US4801863 Apparatus for monitoring the mixing relationship of two liquids
01/31/1989US4801862 Method for measuring complex dielectric constant or complex magnetic constant of materials in three-dimensional directions
01/31/1989US4801551 Rugged dissolved carbon dioxide monitor for high purity water
01/31/1989US4801546 Noble metal electrode, recorders, printed circuits, dielectrics
01/31/1989US4801543 Rotating electric field, biological cells
01/31/1989US4801371 Uranyl ion selective electrode
01/31/1989US4801366 Apparatuses and methods for analyzing macro-ions at electrophoretic steady state
01/31/1989US4801359 Solid compositions based on superoxides having high ionic conductivity, their method of manufacture, and their electrochemical applications
01/31/1989US4801211 Humidity and dew point detector
01/31/1989US4801020 Apparatus and method for detecting defects in a spherical object
01/31/1989US4800927 Cable insertion nozzle
01/31/1989CA1249636A1 Method and system of determining physiological status
01/26/1989WO1989000691A1 Enzyme sensor and method of manufacturing same
01/26/1989WO1989000690A1 Ion sensor
01/26/1989WO1989000689A1 High resolution electrophoretic gel and method for separating serum proteins
01/26/1989WO1989000688A1 Electrophoretic gel cooled cell
01/26/1989WO1989000687A1 Manufacture of inert, catalytic or gas-sensitive ceramic layers for gas sensors
01/26/1989WO1989000686A1 Semiconductor for resistive gas sensors with high speed of reaction
01/26/1989DE3723798A1 Test apparatus for substances containing chlorine
01/25/1989EP0300924A2 Process for conducting electrophoresis and transfer
01/25/1989EP0300662A2 Ion-selective electrodes
01/25/1989EP0300651A2 Photoresponsive electrode for determination of redox potential
01/25/1989EP0300641A2 Sensor arrangements
01/25/1989EP0300575A2 Ion sensor containing a selective organic membrane
01/25/1989EP0300364A2 Chloride ion-selective electrode
01/25/1989EP0300267A2 Process for testing metallic work pieces, and receptacle for use in such a process
01/25/1989EP0300266A2 Device for testing metallic work pieces
01/25/1989EP0300082A2 Enzyme electrode
01/25/1989EP0300027A1 Apparatus and methods for sensing fluid components.
01/25/1989CN2031529U Electromechanical integrated device for monitoring harmful gas
01/24/1989US4800165 Measuring impedance
01/24/1989US4800010 Lockable, rotating electrophoresis device
01/24/1989US4800000 Low level moisture measurement system and method
01/24/1989US4799999 Purity of gold
01/24/1989CA1249381A1 Low noise tandem quadrupole mass spectrometers and method
01/24/1989CA1249380A1 Method for the analysis of organic materials
01/24/1989CA1249334A1 Selective chemical detection by energy modulation of sensors
01/24/1989CA1249333A1 Electrochemical sensor and membrane therefor
01/24/1989CA1249332A1 Non-polarizable electrode
01/19/1989DE3723052A1 Herstellung von inerten, katalytisch wirksamen oder gassensitiven keramikschichten fuer gassensoren Production of inert gas sensitive catalytic or ceramic coatings for gas sensors
01/18/1989EP0299780A2 Surface type microelectronic gas and vapor sensor
01/18/1989EP0299779A2 Fast response time microsensors for gaseous and vaporous species
01/18/1989EP0299778A2 Microelectrochemical sensor and sensor array
01/18/1989EP0299660A2 Sample analysis
01/18/1989EP0299658A2 Analysis system
01/18/1989EP0299443A2 Apparatus and process for non-destructive control of ferromagnetic bodies, with the help of magnetization
01/18/1989EP0299373A2 Reference system for the analyses measurement techniques
01/18/1989EP0299372A2 Reference system for the analyses measurement techniques
01/18/1989CN2031097U Detecting and monitoring device for drunk
01/18/1989CN1030480A Preparation technique for twin-channel acetylcholine ion-selective microelectrode
01/17/1989US4799018 Air fuel ratio measuring system
01/17/1989US4799011 Process and device for detecting structural defects in a product utilizing differential detection of eddy currents
01/17/1989US4799010 Process for detecting defects on a surface by eddy currents and device for carrying out said process
01/17/1989US4798693 Method of manufacturing an electrochemical device
01/17/1989US4798664 Ion sensor
01/17/1989US4798655 Multiparameter analytical electrode structure and method of measurement
01/17/1989CA1249078A1 Method of mass analyzing a sample over a wide mass range by use of a quadrupole ion trap
01/17/1989CA1249026A1 Measurement of ligand/anti-ligand interactions using bulk conductance
01/17/1989CA1249025A1 Chemical sensor for n-acetyl primary aromatic amines
01/17/1989CA1248776A1 Method and apparatus for removing foreign matter from a flow cell of a particle study device
01/12/1989WO1989000287A1 Multi-sensor and production thereof
01/12/1989WO1988010420A3 Process for determining the edge layer condition of objects
01/12/1989DE3821070A1 Vorrichtung fuer die nicht-zerstoerende untersuchung von langgestreckten, magnetisch leitenden elementen Device for the non-destructive inspection of elongated magnetic conductive elements
01/12/1989DE3818148A1 Analyser
01/12/1989DE3722213A1 Measurement method for determining the concentration of a medium