| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 02/07/1990 | EP0354096A1 Method for the diagnosis of steel corrosion in concrete |
| 02/07/1990 | EP0353830A2 The control of foam build up in a fermenter |
| 02/07/1990 | EP0353818A1 Process for depositing organosilanes on substrates of silicon or silicon oxide for devices of EOS or CHEMFET type |
| 02/07/1990 | EP0353517A2 Method for determining the carburizing potential in gas carburizing furnaces, and apparatus therefor |
| 02/07/1990 | EP0353460A2 Membranes for solid phase protein sequencing |
| 02/07/1990 | CN2052537U Hydraulic clearing type continuous test tank to residual chlorine |
| 02/07/1990 | CN2052536U Ion detecting probe |
| 02/07/1990 | CN2052535U Detector for digit display humidity of grain |
| 02/07/1990 | CN1006739B Intelligent coercimeter |
| 02/07/1990 | CN1006738B Protector for process analyzer system |
| 02/07/1990 | CN1006737B Fast determining device of ball as cast state iron crankshaft pearlite |
| 02/06/1990 | USH745 Ion-selective electrode for measuring carbonate concentration |
| 02/06/1990 | US4899102 Electrode system for a parallel plate dielectric analyzer |
| 02/06/1990 | US4899101 Online capacitive densitometer |
| 02/06/1990 | US4898658 Integrated temperature control/alignment system for high performance capillary electrophoretic apparatus |
| 02/06/1990 | US4898646 Process for identifying Al alloys by electrochemical means |
| 02/06/1990 | US4898476 Arrangement for measuring the water vapor dew point in gases |
| 02/06/1990 | CA1265595A1 Apparatus for detecting surface flaw of pipeline by electromagnetic induction |
| 02/01/1990 | DE3825907A1 Micromechanically fabricated cooling device, especially plate coolers |
| 02/01/1990 | DE3825224A1 Control of a testing head for material testing |
| 02/01/1990 | DE3822024A1 Arrangement and method for increasing the gas selectivity in electrochemical sensors |
| 01/31/1990 | EP0353035A2 Foreign matter detector |
| 01/31/1990 | EP0352925A2 Enzyme electrodes and improvements in the manufacture thereof |
| 01/31/1990 | EP0352717A2 Method, analyzer and sensor for measuring urea concentration |
| 01/31/1990 | EP0352537A2 Temperature compensation for potentiometrically operated isfets |
| 01/31/1990 | EP0352507A2 Circuitry for establishing a parameter of a HF oscillator |
| 01/31/1990 | EP0352371A2 Detector for helium leaks |
| 01/31/1990 | EP0352286A1 Improvements relating to separation of charged molecules. |
| 01/31/1990 | CN1039327A Technique and apparatus for filming on micro-area |
| 01/31/1990 | CN1039234A Process for producting super thin glass sheets |
| 01/30/1990 | US4897628 Metal oxide semiconductor |
| 01/30/1990 | US4897597 Apparatus and methods for detecting wet and icy conditions |
| 01/30/1990 | US4897306 Medium for electrophoresis |
| 01/30/1990 | US4897244 Transfrer probe causes signal when contacting fluid; noncontamination |
| 01/30/1990 | US4897174 Gas sensing apparatus |
| 01/30/1990 | US4897173 Oxiporeductase enzyme, carbon electrodes, electron acceptor |
| 01/30/1990 | US4897169 Stabilization of fluid flow by rapid recirculation through narrow channel |
| 01/30/1990 | US4897162 Glucose sensing apparatus |
| 01/30/1990 | US4897128 Process of determining the zinc content of phosphating baths |
| 01/30/1990 | US4896527 Solvent leak detecting sensor |
| 01/30/1990 | US4896526 Continuous monitoring of a gas mixture |
| 01/30/1990 | CA1264962A1 Protection means for a process analyzer system |
| 01/25/1990 | WO1990000738A1 Biological fluid measuring device |
| 01/25/1990 | WO1990000569A1 Acid-labile subunit (als) of insulin-like-growth factor (igf) binding protein complex |
| 01/25/1990 | WO1989012490A3 Composite membrane |
| 01/25/1990 | DE3824948A1 Eddy-current device for non-destructive testing |
| 01/24/1990 | EP0352138A2 Bioelectrochemical electrodes |
| 01/24/1990 | EP0351960A2 Measurement and control of exhaust gas recirculation with an oxygen pumping device |
| 01/24/1990 | EP0351950A2 Use of plasma to immobilize protein on polymeric surfaces |
| 01/24/1990 | EP0351892A2 Diagnostic aid and assemblies therefor |
| 01/24/1990 | EP0351891A2 Printed electrodes |
| 01/24/1990 | EP0351726A1 Process and apparatus to determine the concentration of de-icing salt dissolved in water |
| 01/24/1990 | EP0351516A2 Precalibrated, disposable, electrochemical sensors |
| 01/24/1990 | CN2051741U Fia-c flowing injection-conductance carbon measuring system |
| 01/24/1990 | CN2051740U Moisture content testing device for whole package of cigarettes |
| 01/24/1990 | CN2051739U Hydrogen testing device |
| 01/24/1990 | CN1039072A Electrolysis process and equipment for producing standard hydrogen sulphide |
| 01/23/1990 | US4896143 Gas concentration sensor with dose monitoring |
| 01/23/1990 | US4896117 Method of and apparatus for tracing faults in electrical conductors |
| 01/23/1990 | US4895705 Electroactive polymers |
| 01/23/1990 | US4895635 Novel caustic-chlorine electrochemical cell monitoring apparatus and method |
| 01/23/1990 | CA1264808A1 Gas calibration method and apparatus |
| 01/18/1990 | DE3823996A1 Method (metal indicator detection) for the complexometric determination of oxyanions/polyanions at picomole sensitivity, use for the continuous post-column detection in liquid chromatographic separation and for detection after separation on thin layer supports |
| 01/18/1990 | DE3823859A1 Device for testing the degree of penetration of moisture of nappies (diapers) |
| 01/17/1990 | EP0351292A2 Amperometric method for measuring acidity |
| 01/17/1990 | EP0350962A2 Pop up electrophoresis apparatus and method |
| 01/17/1990 | CN2051352U Ion testing apparatus |
| 01/17/1990 | CN2051351U High stabilization semi-conductor hydrogen sensitive transducer |
| 01/16/1990 | US4894786 Signal processing method for analyzing autoradiograph |
| 01/16/1990 | US4894636 Oil leakage detection device |
| 01/16/1990 | US4894617 Device for locating steel rods buried in high-density reinforced concrete |
| 01/16/1990 | US4894538 Scanning device for scanning tunneling microscope |
| 01/16/1990 | US4894253 Crosslinking a polymer with radiation or chemical means |
| 01/16/1990 | US4894251 Detection, voltage, measurement |
| 01/16/1990 | US4894138 Aqueous solution of organic acid |
| 01/16/1990 | US4893625 Insertion type electrode arrangement for continuous pO2 measurement in living skin tissue |
| 01/16/1990 | US4893495 Oxygen sensing method and apparatus |
| 01/11/1990 | WO1990000309A1 Icr ion trap |
| 01/11/1990 | DE3823327A1 Reference electrode for measuring electrochemical variables |
| 01/11/1990 | DE3822530A1 Automatic recalibration device |
| 01/10/1990 | EP0350194A2 Control of electrokinetic potential by treatment with redox agents |
| 01/10/1990 | EP0350116A2 Electrochemical cell for measuring ionic activity in a solution and its method of use |
| 01/10/1990 | EP0349911A2 Micromanipulator |
| 01/10/1990 | EP0349528A1 A method and measuring system for contactless measuring the values of magnitudes relating to electrically conductive materials. |
| 01/10/1990 | CN1038697A Nondestructive examination of turbine rotor and evaluation of its remaining life after stress |
| 01/10/1990 | CN1038675A Electrically conductive microemulsions of water in oil type based on perfluorinated compounds and used as catholyte in electrochemical processes |
| 01/10/1990 | CN1038674A Electrically conductive oil in water microemulsions based on perfluorinated compounds and used as catholyte in electrochemical processes |
| 01/10/1990 | CN1006414B Method for analysis of organic materials |
| 01/10/1990 | CN1006413B Metal detector |
| 01/09/1990 | US4893214 Capacitance type sensitive element and a manufacturing method thereof |
| 01/09/1990 | US4893108 Halogen detection with solid state sensor |
| 01/09/1990 | US4893079 Method and apparatus for correcting eddy current signal voltage for temperature effects |
| 01/09/1990 | US4892834 Chemical sensor |
| 01/09/1990 | US4892709 Microdevice for gas and vapor sensing |
| 01/09/1990 | US4892662 Membrane processing method |
| 01/09/1990 | US4892640 Sensor for the determination of electrolyte concentrations |
| 01/09/1990 | US4892639 Electrophoresis plate and method of making same |
| 01/09/1990 | US4892638 Electrophoresis |
| 01/09/1990 | US4891986 Apparatus for inspecting articles |
| 01/09/1990 | CA1264354A1 Process and device for detecting, by eddy currents, typical defects on a product |