| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 04/19/1994 | US5304295 High molecular humidity sensor and manufacturing method thereof by electrochemical method |
| 04/19/1994 | US5304294 Method and apparatus for sensing nox |
| 04/19/1994 | US5304293 Microsensors for gaseous and vaporous species |
| 04/19/1994 | US5304292 Electrophoresis gels |
| 04/19/1994 | US5304290 Miniaturizable semiconductor |
| 04/19/1994 | US5304002 Method of determining blend time in stirred tanks |
| 04/19/1994 | US5303579 Conveyor-belt moisture control sensor apparatus |
| 04/19/1994 | CA1328679C Apparatus for particle determination in liquid metals |
| 04/14/1994 | WO1994008247A1 Capacitive moisture sensor |
| 04/14/1994 | WO1994008236A1 Gas permeable membranes for amperometric gas electrodes and uses thereof |
| 04/14/1994 | WO1994008235A1 Oxygen analyzer |
| 04/14/1994 | WO1994008234A1 Gel electrophoresis sample applicator/retriever |
| 04/14/1994 | WO1994008233A1 Device and method for identifying and quantifying layered substances |
| 04/14/1994 | WO1994007593A1 Improved sensor membranes |
| 04/14/1994 | WO1994004241A3 Polymerized polysiloxane membrane for oxygen sensing device |
| 04/14/1994 | DE4234133A1 Physical parameter monitoring arrangement, esp. for temp. sensing - has semiconductor sensor with resistance varying with measurement parameter, and evaluation device controlling power supply to sensor |
| 04/14/1994 | DE4234021A1 Ion sensitive single rod measurement chain for ion concn. measurement - has reference system with bridge and inner electrolytes in chambers formed in hollow cylinder, and movable casing with seals |
| 04/14/1994 | CA2146246A1 Improvements in and relating to gas-permeable membranes for amperometric gas electrodes and uses thereof |
| 04/14/1994 | CA2145996A1 Improved sensor membranes |
| 04/13/1994 | EP0592300A1 Method for processing the signals captured by a punctual, absolute Eddy-current sensor |
| 04/13/1994 | EP0592298A1 Process and device for the manufacture of a microporous membrane gel plate for separating and transforming macromolecules by electrophoresis |
| 04/13/1994 | EP0592060A1 Digital DNA typing |
| 04/13/1994 | EP0591847A2 Apparatus for monitoring impurities in a gas stream |
| 04/13/1994 | EP0591290A1 Fluorophore assisted carbohydrate electrophoresis diagnosis |
| 04/13/1994 | EP0436679B1 Glucose-level measurement device |
| 04/13/1994 | EP0433311B1 Process and instrument for a three component measurement |
| 04/13/1994 | CN2161924Y Density detecting device |
| 04/13/1994 | CN2161923Y Speech sounds alarm for gas ignition |
| 04/13/1994 | CN1085318A Sym-triazines dye affinity capillary electrophoresis column and its preparation |
| 04/13/1994 | CN1085317A Proton conducting solid electrolyte solid-phase reference electrode hydrogen test probe |
| 04/13/1994 | CN1024232C Humidity-dependent resistor and its preparing method |
| 04/13/1994 | CN1024219C Method and apparatus for testing oil product quality by phase-locked loop |
| 04/12/1994 | US5303167 Absolute pressure sensor and method |
| 04/12/1994 | US5303021 Optical detector for capillary chromatography |
| 04/12/1994 | US5302935 Renewable gas sensor, renewable gas sensor base and method for renewing a gas sensor |
| 04/12/1994 | US5302907 Method of and apparatus for ascertaining a characteristic value of a high-frequency oscillator |
| 04/12/1994 | US5302895 Joint or discontinuity detector for use with pipes and the like |
| 04/12/1994 | US5302510 Using a unique set of DNA restriction fragments composed of coding and measuring fragments of known sizes |
| 04/12/1994 | US5302276 Oxygen sensor for internal combustion engine exhaust gases; cermets |
| 04/12/1994 | US5302275 Sensor element for an oxygen limiting current probe in order to determine the λ value of gas mixtures |
| 04/12/1994 | US5302274 Electrochemical gas sensor cells using three dimensional sensing electrodes |
| 04/12/1994 | US5302272 Fiber optic flow cell for detection of electrophoresis separation with a capillary column and method of making same |
| 04/12/1994 | US5302264 Capillary eletrophoresis method and apparatus |
| 04/12/1994 | US5302262 Taste sensing method for discriminating in detail taste of substances with high reproducibility by using artificial lipid membranes |
| 04/12/1994 | US5301671 Two- and three-dimensional autoradiographic imaging utilizing charge coupled devices |
| 04/12/1994 | US5301543 Moisture monitor in a non-conductive liquid media |
| 04/12/1994 | US5301542 Flexible fuel PI filter sensor |
| 04/12/1994 | CA1328480C Smell sensing element and smell sensing device |
| 04/10/1994 | CA2107257A1 Digital dna typing |
| 04/07/1994 | DE4333348A1 Electrode for measurement of ion concentration in solutions - ion-sensitive electrode consists of sensitive membrane covering inner electrode made up of number of two- or three-dimensional metal wire elements |
| 04/07/1994 | DE4312244A1 Multi-laser determn. of semiconductor surface defect concn. - evaluating accumulation atoms from steeply inclined portion, and dislocations from slowly declining portion of emission curve |
| 04/07/1994 | DE4233686A1 Selective optical display or marking of given atoms or mols. - uses electron flow between micro point and sample for detection to give an image signal |
| 04/07/1994 | DE4233180A1 Layer system for electrochemical probe - includes projecting layer sections to improve adhesion of sensor layer |
| 04/07/1994 | DE4233178A1 Electrochemical oxygen measuring probe for waste gases - has protective sintered glass-contg. foil with gas passages |
| 04/07/1994 | DE4233110A1 Measuring electrical conductivity of liquids, esp. electrolytes - comparing conductivity values obtained for two different ac current frequencies to detect measurement errors |
| 04/07/1994 | DE4232909A1 Electrochemical sensor filling and servicing process - ensures secure fastening of parts and maintenance of hermetic electrolyte space vol. |
| 04/06/1994 | EP0590810A1 Differential conductivity recirculation monitor |
| 04/06/1994 | EP0590734A2 Apparatus and method of damage detection for magnetically permeable members |
| 04/06/1994 | EP0590661A1 A method for measuring concentrations of substrates in a sample liquid by using a biosensor |
| 04/06/1994 | EP0590503A2 Capacitive sensor for the determiniation of variations in mass and/or diameter of a stretch of textile sample |
| 04/06/1994 | EP0590434A1 Process for producing a device having enhanced magnetoresistance and use of the device |
| 04/06/1994 | EP0590290A1 Fitting with sensing probe |
| 04/06/1994 | EP0590042A1 Mass spectrometry apparatus and method relating thereto |
| 04/06/1994 | EP0589968A1 Apparatus for the registration of the contents of humidity and acid in a coolant. |
| 04/06/1994 | EP0589873A1 Sensor for peracetic acid-hydrogen peroxide solution |
| 04/06/1994 | EP0345347B1 Fet electrode |
| 04/06/1994 | CN2160906Y 空气污染监测报警器 Air pollution monitoring alarm |
| 04/06/1994 | CN2160905Y Numeric display rod-inserted type quick hygrometer |
| 04/06/1994 | CN1084970A Explosion insulation burnable gas sensor |
| 04/06/1994 | CN1084969A Quick automatic analysis instrument for cement five elements |
| 04/05/1994 | US5300774 Time-of-flight mass spectrometer with an aperture enabling tradeoff of transmission efficiency and resolution |
| 04/05/1994 | US5300773 Pulsed ionization ion mobility sensor |
| 04/05/1994 | US5300564 Forming a glassy polymer in the presence of a reagent to trap the reagent; having a gas or liquid component in solution to diffuse through the pores; immobilized enzymes; detectors; pollution control; immunoassay |
| 04/05/1994 | US5300442 Scavenging iodine by reacting zinc to form zinc oxide which does not interfere with reduction of chlorine |
| 03/31/1994 | WO1994007257A1 Reducing interferences in plasma source mass spectrometers |
| 03/31/1994 | WO1994007133A1 Viscous electrophoresis polymer medium and method |
| 03/31/1994 | WO1994007132A1 Electrophoretically mediated chemical analysis |
| 03/31/1994 | WO1994007131A1 Monitoring copper-containing metal treatment baths |
| 03/31/1994 | WO1994007130A1 Planar polarographic probe for determining the lambda value of gas mixtures |
| 03/31/1994 | WO1994007129A1 Dosimeter for monitoring the condition of polymeric materials and chemical fluids |
| 03/31/1994 | WO1994007128A1 Determination of the extent of cross-linking prior to the intentional curing of polymers |
| 03/31/1994 | WO1994007098A1 Method and apparatus for determining the solid fraction of a stored cryogenic refrigeration system |
| 03/31/1994 | WO1994006545A1 Electrochemical cell and use thereof in the electrochemical separation or extraction of oxygen |
| 03/31/1994 | WO1994006544A1 Electrochemical cell and its use in the electrochemical separation or extraction of oxygen |
| 03/31/1994 | DE4324661A1 Prodn. of copper-cobalt structure of improved magneto-resistance - comprises forming intermediate prod. and then transforming into final prod. using heat |
| 03/31/1994 | DE4232185A1 Residual humidity measurement for moving material web - using screening effect on generated electrical field to determine humidity-dependent DC resistance of web |
| 03/31/1994 | DE4232184A1 Conductimetric humidity measurement, e.g. for cotton, photographic film, wood, paper, etc - using manually or mechanically operated piezoelectric charge generator and measuring current capacitor |
| 03/31/1994 | DE4232092A1 Electrochemical sensor detecting IC engine exhaust gas oxygen content - uses solid electrolyte sleeve with attached measuring and reference electrodes containing heating element |
| 03/31/1994 | DE4231966A1 Planare polarograhische Sonde zur Bestimmung des Lambda-Wertes von Gasgemischen Polarograhische planar probe for determining the lambda value of gas mixtures |
| 03/31/1994 | DE4231960A1 Coulometric measuring cell detecting halogenide and pseudo-halogenide ions - has generator cathode, indicator electrodes and gas inlet pipe incorporated in common tube |
| 03/31/1994 | CA2144174A1 Electrophoretically mediated chemical analysis |
| 03/31/1994 | CA2123507A1 Electrochemical cell and use thereof in the electrochemical separation or extraction of oxygen |
| 03/31/1994 | CA2123506A1 Electrochemical cell and its use in the electrochemical separation or extraction of oxygen |
| 03/31/1994 | CA2123501A1 Method and apparatus for determining the solid fraction of a stored cryogenic refrigeration system |
| 03/31/1994 | CA2107389A1 Apparatus and method of damage detection for magnetically permeable member |
| 03/30/1994 | EP0589815A2 Two dimensional profiling with a contact force atomic force microscope |
| 03/30/1994 | EP0589503A1 Hydrogen sulfide gas sensor and precursor compounds for manufacture of same |
| 03/30/1994 | EP0588984A1 Method and device for extending the useful life and reducing the temperature dependence of ion-selective plastic-membrane electrodes |
| 03/30/1994 | EP0588888A1 Microprobe for surface-scanning microscopes. |
| 03/30/1994 | EP0588866A1 Device for determining the foaming properties of an at least partially soluble material. |