| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) | 
|---|
| 01/14/1992 | US5080771 Capillary gels formed by spatially progressive polymerization using migrating initiator | 
| 01/14/1992 | US5080769 Electrophoresis with electrode baffles | 
| 01/14/1992 | US5080766 Measuring voltage generated in electrolytic cell, gold | 
| 01/14/1992 | US5080765 Method for determining identification and concentration of an atmospheric component | 
| 01/14/1992 | US5079944 Hydrocarbon vapor sensor and system | 
| 01/13/1992 | WO1992001234A1 Process and apparatus for determining concentration in semiconductors | 
| 01/13/1992 | CA2087189A1 Process and apparatus for determining concentration in semiconductors | 
| 01/09/1992 | WO1992000520A2 Eddy current imaging system | 
| 01/09/1992 | WO1992000400A1 Reference electrodes and electrode assemblies for protection of submarine structures | 
| 01/09/1992 | DE4021728A1 Vorrichtung fuer die praeparative elektrophorese Apparatus for preparative electrophoresis | 
| 01/08/1992 | WO1992000795A1 Device for preparatory electrophoresis | 
| 01/08/1992 | EP0464826A1 Eddy current flaw detection apparatus | 
| 01/08/1992 | EP0464820A1 Taste sensing method for discriminating in detail taste of substances with high reproducibility by using artificial lipid membranes | 
| 01/08/1992 | EP0464544A1 Neutral and positively charged dyes for electrophoresis sample loading solutions | 
| 01/08/1992 | EP0464391A1 Measuring device and method for putting it into operation | 
| 01/08/1992 | EP0464244A1 Sensor for detecting reducing gases | 
| 01/08/1992 | EP0464243A1 Oxygen sensor with semiconducting gallium oxide | 
| 01/08/1992 | EP0464128A1 A conductivity or capacity cell and a method for producing the same and a probe including such a cell and a method for measuring of relative humidity with such a probe. | 
| 01/08/1992 | CN1057672A Immobilization of biomolecules by enhanced electrophoretic precipitation | 
| 01/08/1992 | CA2086535A1 Device for preparatory electrophoresis | 
| 01/07/1992 | US5079595 Organic thin film semiconductor device | 
| 01/07/1992 | US5078856 Ion carrier membrane, and ion sensor having same | 
| 01/07/1992 | US5078855 Chemical sensors and their divided parts | 
| 01/07/1992 | US5078854 Voltage sensor using hydrophobic membranes | 
| 01/07/1992 | US5078853 Segmented electrophoretic separation system useful for lipid profiling | 
| 01/07/1992 | US5077971 Air/fuel ratio control system for an internal combustion engine | 
| 01/07/1992 | CA1293992C Device and method for locating rods buried in high-density reinforced concrete | 
| 01/02/1992 | EP0463859A2 Immobilization of biomolecules by enhanced electrophoretic precipitation | 
| 01/02/1992 | EP0463796A1 Complete oil analysis technique | 
| 01/02/1992 | EP0463591A1 Method for determining DNA sequences | 
| 01/02/1992 | EP0463541A1 Zirconia oxygen sensor | 
| 01/02/1992 | EP0463509A1 Defect standard for a rotating internal inspection probe | 
| 01/02/1992 | EP0454763A4 Polysaccharide resolving gels and gel systems for stacking electrophoresis | 
| 01/02/1992 | DE4020385A1 Thermal toning sensor for carbon content in Diesel engine exhaust - has combined ceramic foil heating element and temp. sensor | 
| 01/02/1992 | DE4020113A1 Gas sensor system e.g. for exhaust gases | 
| 01/02/1992 | DE4019869A1 Measuring viscosity of resin in hardening process - applying voltage to electrode or conductive component of product contg. resin and measuring phase shift and amplitude attenuation | 
| 01/02/1992 | DE4019708A1 Increasing lifetime of electrochemical sensors - detecting reduction of sensitivity or fault by switching row of sensors or electrodes with positive convection or diffusion gas transport | 
| 01/01/1992 | CN1057524A Methylmercapto ion selective electrode | 
| 12/31/1991 | US5077525 Electrodeless conductivity sensor with inflatable surface | 
| 12/31/1991 | US5077472 Ion mirror for a time-of-flight mass spectrometer | 
| 12/31/1991 | US5077229 Monolithic chemical sensor of the chemfet type incorporating an ion-selective membrane and method of making the same | 
| 12/31/1991 | US5076906 Covering with electolyte solution, applying potential, detecti ng gas bubbles | 
| 12/31/1991 | US5076904 Electrochemical measuring cell for determining ammonia or hydrazine in a measuring sample | 
| 12/31/1991 | CA1293770C Device for in situ monitoring of corrosion rates of polarized or unpolarized metals | 
| 12/31/1991 | CA1293622C Automatic calibration and control system for a combined oxygen andcombustibles analyzer | 
| 12/30/1991 | CA2045720A1 Method for determining dna sequences | 
| 12/30/1991 | CA2045719A1 Neutral and positively charged dyes for eloctrophoresis sample loading solutions | 
| 12/30/1991 | CA2040766A1 Eddy current imaging system | 
| 12/27/1991 | EP0462819A1 A method of measuring humidity by using an electrochemical cell | 
| 12/27/1991 | EP0462703A1 A method and apparatus for measuring an electrical characteristic of a fibrous dispersion | 
| 12/27/1991 | EP0462260A1 Magnetic document validator | 
| 12/26/1991 | WO1991020156A1 Electrographic process utilizing fluorescent toner and filtered detector for generating an electrical image signal | 
| 12/26/1991 | WO1991019975A1 NOx SENSOR ASSEMBLY | 
| 12/26/1991 | WO1991019973A1 IMPROVEMENTS IN OR RELATING TO GLASS pH ELECTRODES | 
| 12/26/1991 | WO1991019972A1 Process and device for inspecting coated metal surfaces | 
| 12/26/1991 | WO1991019971A1 Nox sensor and process for detecting no¿x? | 
| 12/26/1991 | CA2045423A1 Zirconia oxygen sensor | 
| 12/25/1991 | CN2091459U Carbon monoxide detecting alarm protecting instrument | 
| 12/25/1991 | CN2091458U Flow pattern on-line display device | 
| 12/25/1991 | CN1057363A Installation for study or transformation of surface of samples placed in vacuum or in controlled atmosphere | 
| 12/25/1991 | CN1057338A Portable nondestructive testing instrument for pile foundation | 
| 12/24/1991 | US5075816 Capacitive humidity sensor construction and method for manufacturing the sensor | 
| 12/24/1991 | US5075667 Humidity sensor and method for producing the same | 
| 12/24/1991 | US5074988 Conductive polymer electrode | 
| 12/24/1991 | US5074987 Solid electrolyte oxygen pump generates oxygen for catalytic combustion chamber, then measurement of excess oxygen in exhaust gases | 
| 12/24/1991 | US5074982 Polymer bonded to silica containing material | 
| 12/24/1991 | US5074981 Increased voltages, temperature monitoring | 
| 12/24/1991 | US5074980 Method of characterizing polynucleotides | 
| 12/24/1991 | US5074977 Digital biosensors and method of using same | 
| 12/24/1991 | US5074157 Module | 
| 12/24/1991 | CA1293590C Assaying method for primary amines using aromatic dialdehydes | 
| 12/19/1991 | DE4018993A1 Verfahren und einrichtung zur untersuchung beschichteter metalloberflaechen Method and device for the investigation of coated metal surfaces | 
| 12/18/1991 | EP0461763A2 Non-destructive examination system | 
| 12/18/1991 | EP0461449A2 Indicator electrode for an electrochemical gas measuring cell | 
| 12/18/1991 | EP0461418A1 Apparatus to start an exhaust gas sensor heater | 
| 12/18/1991 | EP0461393A1 Scanning tunnel microscope | 
| 12/18/1991 | EP0461352A2 Preparation of gel-filled separation columns | 
| 12/18/1991 | CN1057109A Method for determination of dissolving rate of high molecular electrolytes | 
| 12/17/1991 | US5073963 Computerized method of matching two-dimensional (2-d) patterns | 
| 12/17/1991 | US5073756 Method and apparatus for measuring the volumetric water content of mineral and/or organic mixtures | 
| 12/17/1991 | US5073753 Hydrocarbon flame ionization detector | 
| 12/17/1991 | US5073603 Method of using dithiothreitol as a crosslinking agent for electrophoresis media | 
| 12/17/1991 | US5073483 Method of staining nucleic acids detected by non-radioactive labelling and kit of reactants for carrying out the method | 
| 12/17/1991 | US5073405 Applying a tapered electrode on a porous ceramic support tube by masking a band inside the tube and drawing in electrode material from the outside of the tube by suction | 
| 12/17/1991 | US5073332 Device to position a device in a cylindrical cavity comprising perforation disposed along a regular network | 
| 12/17/1991 | US5073247 Measuring sensor of oxygen content of hot gas with specially shaped protective tube | 
| 12/17/1991 | US5073246 Slab electrophoresis system with improved sample wells and cooling mechanism | 
| 12/17/1991 | US5073239 Fluid introduction into a capillary by electroendosmosis | 
| 12/17/1991 | CA1293136C Flow cytometry | 
| 12/12/1991 | WO1991019274A1 A computerized method of matching two-dimensional (2-d) patterns | 
| 12/12/1991 | WO1991019204A1 Method for measuring the characteristics of a strip material and device for implementing same | 
| 12/11/1991 | EP0461018A1 Method and device for controlling the thickness and cohesion of a duplex tube interface | 
| 12/11/1991 | EP0460746A1 Electrophoresis devices | 
| 12/11/1991 | EP0460519A2 Metal-free buffer for ion selective electrode-based assays | 
| 12/11/1991 | EP0460442A1 Device for measuring the thickness and/or the unevenness of slivers | 
| 12/11/1991 | EP0460435A2 Reference electrode for chemical sensors | 
| 12/11/1991 | EP0460343A2 Disposable measuring element for analysing liquid or gaseous samples | 
| 12/11/1991 | EP0460265A1 Measuring instrument with a microprocessor and coupling means with a sensor | 
| 12/11/1991 | EP0460255A1 Measuring head for a quadrupole mass spectrometer | 
| 12/11/1991 | EP0460029A1 Environmental monitoring device and method |