| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
|---|
| 05/23/1990 | EP0369751A1 Ion mobility detector |
| 05/23/1990 | EP0369732A1 Electrochemical reduction-oxidation reaction and apparatus |
| 05/23/1990 | EP0369713A2 Oxygen-complexing ultrathin films by interfacial polymerization |
| 05/23/1990 | EP0369238A2 Oxygen sensor and method for producing same |
| 05/23/1990 | EP0369103A1 Testing of electrodes with active layers |
| 05/23/1990 | EP0369064A1 Electrode |
| 05/23/1990 | DE3938056A1 Oxygen sensor - having hollow tubular element, two surfaces, two electrodes and voltage measuring circuit |
| 05/23/1990 | DE3839414A1 Sensor arrangement for detecting gases by means of exothermic catalytic reactions |
| 05/23/1990 | CN1042419A Moisture sensitive sensor |
| 05/22/1990 | US4928065 Voltammetry in low-permitivity suspensions |
| 05/22/1990 | US4927793 Proton conductive material and method of manufacturing thereof |
| 05/22/1990 | US4927518 Using inorganic material for solidification |
| 05/22/1990 | US4927517 NOx sensor having catalyst for decomposing NOx |
| 05/22/1990 | US4927516 Enzyme sensor |
| 05/22/1990 | US4927265 Detector for fluorescence and absorption spectroscopy |
| 05/22/1990 | US4926928 Protective device of restraining rod produced in continuous casting and rolling process |
| 05/22/1990 | CA2002454A1 Method of examining an inside surface-coated metallic pipe and apparatus for use in such method |
| 05/17/1990 | WO1990005312A1 Magnetic susceptibility imaging (msi) |
| 05/17/1990 | WO1990005299A1 Detection of non-metallic materials |
| 05/17/1990 | WO1990005298A1 Method and apparatus for three-dimensional dynamic dielectric levitation |
| 05/17/1990 | WO1990005290A1 A device for the detection of abnormal condition of a portion of an object which is movable relative to the device |
| 05/17/1990 | WO1990005160A1 Thin film chemiresistive sensors |
| 05/17/1990 | WO1990005017A1 Electrophoresis method and apparatus |
| 05/17/1990 | DE3838608A1 Process and arrangement for determining a process variable in the heat treatment of metal parts |
| 05/17/1990 | DE3838074A1 Measuring device |
| 05/16/1990 | EP0368580A2 Eddy current testing system |
| 05/16/1990 | EP0368579A2 Probe unit, driving method thereof, and scanning device for detecting tunnel current having said probe unit |
| 05/16/1990 | EP0368513A2 Mixing apparatus and method |
| 05/16/1990 | EP0368474A2 Enhanced amperometric sensor |
| 05/16/1990 | EP0368209A1 A process for immobilizing an enzyme on an electrode surface |
| 05/16/1990 | EP0367886A1 Hydrophilic monomers, polymers thereof and their applications |
| 05/16/1990 | EP0367788A1 Receptor-based biosensors |
| 05/16/1990 | EP0261577B1 Dicarboxamides, process for their preparation, ion-selective membranes and test devices containing them, and lithium complexes of the dicarboxamides |
| 05/16/1990 | EP0258308B1 Method of supplying buffer solutions to electrophoretic separation procedures |
| 05/16/1990 | CN1008005B Colour hollow spherical corpuscle magnetic powder for magnetic flaw detecting and mfv. thereof |
| 05/15/1990 | US4926156 Apparatus for measuring the partial pressure of gases or vapors |
| 05/15/1990 | US4926128 Method for utilizing measured resistivities of porous rock under differing fluid saturations to identify fluid distribution equilibrium |
| 05/15/1990 | US4926120 In-line metallic debris particle detection system |
| 05/15/1990 | US4926113 Means and method for conductometric phase transition porosimetry |
| 05/15/1990 | US4926112 3-D capacitance density imaging of fluidized bed |
| 05/15/1990 | US4926021 Torch device for analyzing a gas/vapor |
| 05/15/1990 | US4925609 Exhaust system; internal combustion engines |
| 05/15/1990 | US4925545 Gradients, acid complexes, separation |
| 05/15/1990 | US4925544 Electrolyte is solid in polymer matrix |
| 05/15/1990 | US4925474 Method and apparatus for on-line LOI measurement of fibers |
| 05/15/1990 | US4925139 Mechanical stage support for a scanning tunneling microscope |
| 05/15/1990 | US4924708 Method for calculating crack lengths of conductive sensors |
| 05/15/1990 | CA2002816A1 Process and device for separating electrically charged macromolecular compounds by forced-flow membrane electrophoresis |
| 05/15/1990 | CA1269181A1 Mass spectrometer for positive and negative ions |
| 05/15/1990 | CA1269180A1 Discharge ionization mass spectrometer |
| 05/15/1990 | CA1269142A1 Process for detection of mechanical defects at structural members being of fiber composite, the application of the process as well as measuring device and an armour bar for realization of the process |
| 05/14/1990 | EP0314688A4 Method and apparatus for amperometric detection. |
| 05/14/1990 | EP0265519A4 Electrochemiluminescent assays. |
| 05/14/1990 | CA2002707A1 Electrochemical reduction-oxidation reaction and apparatus |
| 05/10/1990 | DE3837963A1 Sensor for electrical hygrometers and method for the production of such a sensor |
| 05/10/1990 | DE3837951A1 Device for measuring the concentration of an undesired gas in air |
| 05/10/1990 | DE3837816A1 Device for measuring the concentration of paramagnetic components in gas mixtures |
| 05/09/1990 | EP0367591A2 Capillary separation system with electric field assisted postseparation mixing |
| 05/09/1990 | EP0367432A1 Biosensor device |
| 05/09/1990 | EP0367379A1 Extended ion source apparatus and method for detecting insulation defects |
| 05/09/1990 | EP0367186A2 Pyroelectric sensing apparatus |
| 05/09/1990 | EP0366897A2 Pre-cast gel systems for two-dimensional electrophoresis |
| 05/09/1990 | EP0366863A2 An oxygen sensor device |
| 05/09/1990 | EP0366795A1 Method of manufacturing a multi-sensor |
| 05/09/1990 | EP0366687A1 Manufacture of inert, catalytic or gas-sensitive ceramic layers for gas sensors |
| 05/09/1990 | CN2057001U Ion concentration monitoring device of potential sensor |
| 05/08/1990 | US4924187 Method for measuring electrical anisotrophy of a core sample from a subterranean formation |
| 05/08/1990 | US4924182 Eddy current method to measure distance between scanned surface and a subsurface defect |
| 05/08/1990 | US4924181 Device having electromagnet for providing a magnetic field inclined with respect to the transportation direction of a ferromagnetic body for non-destructive, magnetic testing of the body |
| 05/08/1990 | US4924173 Shielded capacitance standard |
| 05/08/1990 | US4924091 Scanning ion conductance microscope |
| 05/08/1990 | US4924089 Method and apparatus for the accumulation of ions in a trap of an ion cyclotron resonance spectrometer, by transferring the kinetic energy of the motion parallel to the magnetic field into directions perpendicular to the magnetic field |
| 05/08/1990 | US4923587 Terminal fixing structure for a ceramic base |
| 05/08/1990 | CA1268814A1 Apparatus and methods for fluid level sensing |
| 05/05/1990 | CA2001291A1 Mixing apparatus and method |
| 05/03/1990 | WO1990004779A1 Metal corrosion detection |
| 05/03/1990 | WO1990004778A1 A process and device for determining the internal resistance of lambda probes and for heating regulation using the internal resistance |
| 05/03/1990 | WO1990004777A1 An electrochemical sensor |
| 05/03/1990 | WO1990004776A1 Process for bottling beer |
| 05/03/1990 | WO1990004764A1 A process and device for temperature measurement using the internal resistance of a lambda probe |
| 05/03/1990 | DE3936103A1 Fixing wire to solid electrolyte element - esp. in oxygen sensor, using thermally conductive interlayer to protect element |
| 05/03/1990 | DE3935907A1 Appts. for automatic electrophoresis - having lower section, mounting plate, transverse troughs in support, scan unit, computer and crane arrangement |
| 05/03/1990 | CA2002125A1 Method and apparatus for three-dimensional dynamic dielectric levitation |
| 05/02/1990 | EP0366645A2 Measuring apparatus for determining a chemical parameter in an aqueous sample |
| 05/02/1990 | EP0366566A2 Reference electrode, ion sensor and method of manufacturing the same |
| 05/02/1990 | EP0366408A2 Apparatus for preparative gel electrophoresis |
| 05/02/1990 | EP0366262A2 Detection system |
| 05/02/1990 | EP0366098A2 Gas detector |
| 05/02/1990 | EP0365622A1 Process and apparatus for non-destructive measurement of the magnetic properties of a test object. |
| 05/02/1990 | EP0365567A1 Semiconductor for resistive gas sensors with high speed of reaction |
| 05/02/1990 | CN1041824A Method for identifying corn variety and purity |
| 05/02/1990 | CN1041820A Glass container inspecting machine |
| 05/02/1990 | CN1007852B Induction coupling plasma mass analyzer |
| 05/02/1990 | CN1007839B Liquid ion-exchanger composite used as acetylcholine ion-selective microelectrode |
| 05/02/1990 | CN1007838B Sensor for measurement of oxygen partial pressures in hot gases |
| 05/02/1990 | CN1007837B Coating for tubular zirconium-oxide electrode |
| 05/01/1990 | US4922205 Apparatus for detecting contamination on probe surface |
| 05/01/1990 | US4922201 Eddy current method for measuring electrical resistivity and device for providing accurate phase detection |
| 05/01/1990 | US4922181 Apparatus for monitoring the dielectric constant of an article |
| 05/01/1990 | US4922092 High sensitivity optical imaging apparatus |