Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
03/1993
03/17/1993EP0499624A4 Methods of determining bacteria populations electrochemically
03/17/1993EP0391900B1 Ntc temperature-sensing device and process for producing ntc temperature-sensing elements
03/16/1993US5194949 Video densitometer
03/16/1993US5194915 Photometric apparatus and process
03/16/1993US5194814 Electrolytic conductivity detector
03/16/1993US5194738 Apparatus for digital imaging
03/16/1993US5194135 Air/fuel ratio sensor
03/16/1993US5194134 Gaseous carbon dioxide detection sensor
03/16/1993US5194133 Sensor devices
03/16/1993CA1314413C Fluid flow detector
03/16/1993CA1314412C Constant temperature sorption hygrometer
03/14/1993WO1993006471A1 Apparatus for checking the contamination condition of electric insulators
03/14/1993CA2096129A1 Apparatus for checking the contamination condition of electric insulators
03/11/1993DE4230355A1 DNA measuring process and appts. - using fluorescent marker at end of mol. which is straightened and passed through zone to detect interval between markers
03/11/1993DE4230313A1 Dielectric constant measuring appts. for liquid fuel testing - measures phase difference on both ends of resistor subjected to h.f. signal, and regulates phase to provide output signal representing dielectric constant
03/11/1993DE4224612A1 Wide range electrochemical ozone sensor - has working electrode of supported graphite-based catalyst and opt. metal oxide(s) or semiconductor oxide on porous plastics support
03/11/1993DE4130135A1 Microelectrode array prodn. - by chemically metallising glass or thermoplastic materials
03/11/1993DE4120246A1 Flame-ionisation detection, esp. of concn. of hydrocarbons in specimen gas flow - feeding combustion mixture and specimen gas flow with diluting air added into burner with electrode arrangement in flame zone
03/11/1993CA2066901A1 Electrode assembly
03/10/1993EP0531169A1 Sequencing large nucleic acid fragments
03/10/1993EP0531127A2 Method for advanced material characterization by laser induced eddy current imaging
03/10/1993EP0531042A2 System and method for evaluation of surface characteristics of a magnetic material
03/10/1993EP0530871A1 Method for producing a liquid phase calibration substance having a pre-established concentration of CO2 suitable for calibrating analytical instruments such as hemogasanalyzers
03/10/1993EP0530754A1 Method for controlling electroosmotic flow
03/10/1993EP0530427A1 Multiple STM-tip unit, method for manufacturing and application thereof in a direct access storage unit
03/10/1993EP0426699B1 Electrochemical measurement probe
03/10/1993EP0393038B1 Electrochemical measurement sensor
03/10/1993EP0379553B1 Gas testing apparatus
03/10/1993EP0377649B1 Halogenated surface with reduced protein interaction
03/10/1993EP0333860B1 Enzymatic sensor
03/10/1993EP0313658B1 Moisture remover
03/10/1993EP0239624B1 Field-inversion gel electrophoresis
03/10/1993CN1069822A 电阻式湿敏元件及其制备方法 Resistive humidity sensor and its preparation method
03/09/1993US5192618 Corrosion protection by femn by ion implantation
03/09/1993US5192417 Lithium ion sensor
03/09/1993US5192416 Method and apparatus for batch injection analysis
03/09/1993US5192414 Electrode probe for use in aqueous environments of high temperature and high radiation
03/09/1993US5192412 Electrophoretic apparatus having arrayed electrophoresis lanes
03/09/1993US5192408 Electrophoresis gel sealing gasket and system
03/09/1993US5192407 Providing a gel with uniform fluorescence, allowing sample to displace fluorescent material thus providing a negative image
03/09/1993US5192406 Silica or glass capillaries bonded to polysiloxanes, polysilazanes or other silicone polymers for separation
03/09/1993US5192405 Zwitterion buffer, quaternary sulfate or sulfonate
03/09/1993US5192404 Method for measuring a minor element in a molten metal
03/09/1993US5192403 Cyclic voltammetric method for the measurement of concentrations of subcomponents of plating solution additive mixtures
03/09/1993US5191869 Gasoline nature sensing system
03/06/1993CA2077462A1 Method for advanced material characterization by laser induced eddy current imaging
03/05/1993CA2077152A1 Catalyst monitoring using a hydrocarbon sensor
03/05/1993CA2076713A1 System and method for non-destructive evaluation of surface characteristics of a magnetic material
03/04/1993WO1993004371A1 Analyzer circuitry for analyzing samples on ion sensitive electrodes
03/04/1993WO1993004370A1 Method and apparatus for electrolytically etching metals to reveal internal quality
03/04/1993WO1993004361A1 Method of determining and controlling the concentration of active substances included for cleaning and disinfection purposes in aqueous cleaning and disinfection-agent solutions
03/04/1993WO1993004360A1 Reference half-cell electrode
03/04/1993WO1993004359A1 Batch deposition of polymeric ion sensor membranes
03/04/1993WO1993004358A1 Moisture measurement in a granulated mix
03/04/1993WO1993004220A1 Glassy carbon containing metal particles
03/04/1993WO1993003850A1 Process for the continuous separation of mixtures of microscopically small dielectric particles and device for implementing the process
03/04/1993DE4228737A1 Device for measuring dielectric constant of fuel flowing into engine - contains single layer coil and metal electrode arrangement forming fuel flow channel, measuring electrostatic capacitance
03/04/1993DE4129259A1 Material characteristics measuring device for electrically conductive body - uses magneto-resistive element within induced magnetic field and measures direct field distribution
03/04/1993CA2116226A1 Method for determining and controlling the concentration of active substances included for cleaning and disinfection in aqueous cleaning and disinfecting solutions
03/04/1993CA2116112A1 Glassy carbon containing metal particles
03/04/1993CA2115919A1 Batch deposition of polymeric ion sensor membranes
03/04/1993CA2114127A1 Method and apparatus for electrolytically etching metals to reveal internal quality
03/03/1993EP0530031A2 Method for determining photoreceptor potentials
03/03/1993EP0529920A2 Toner concentration sensing apparatus
03/03/1993EP0529899A2 Capillary gel column with polyorganosiloxane coupling layer
03/03/1993EP0529861A1 Reference electrode probe for use in aqueous environments of high temperature
03/03/1993EP0529668A1 Chemical sensor for carbon monoxide detection
03/03/1993EP0529616A2 Information processing apparatus and scanning tunnel microscope
03/03/1993EP0529455A2 Method and device for continuously measuring ionic and non-ionic products in moving textiles
03/03/1993EP0529354A1 Device for monitoring rolling contact bearings
03/03/1993EP0529295A1 Single-element thermal conductivity detector
03/03/1993EP0529181A2 Method and system for searching reinforcing steel in concrete
03/03/1993EP0529155A1 Anodic stripping voltammetry
03/03/1993EP0529050A1 Device for determining quality criteria of a biomass
03/03/1993EP0529000A1 NO x? SENSOR ASSEMBLY.
03/03/1993EP0528976A1 Pin hole detector
03/03/1993EP0528924A1 Method and apparatus for bleaching textile webs.
03/03/1993EP0528831A1 Gas chromatograph-mass spectrometer (gc/ms) system for quantitative analysis of reactive chemical compounds
03/03/1993CN2127788Y Combined ion-selective electrode
03/03/1993CN2127787Y Wide-range electrolytic air moisture sensor
03/02/1993US5191293 Park and ride method for determining photoreceptor potentials
03/02/1993US5191285 Speed responsive filtering control system for flaw detection apparatus
03/02/1993US5190872 Monomolecular layer, coupled via glutaraldehyde and aminosilane
03/02/1993US5190856 Improved transfer of DNA fragments from gel to nylon membrane, diagnosis of genetic diseases, cancer
03/02/1993US5190834 Solid oxide fuel cells 2
03/02/1993US5190813 Polytetrafluoroethylene, cation exchange resin, platinum
03/02/1993US5190636 Ion-sensitive film, method of producing the same and ion sensor
03/02/1993US5190632 Multi-colored electrophoresis pattern reading system
03/02/1993US5190629 Crosslinked Polyacrylamide
03/02/1993US5190600 Method of monitoring a heat treatment with carbon penetration
03/02/1993US5189902 Humidity sensor, and a measurement installation including a plurality of such sensors
03/02/1993CA1314072C Inhomogeneity detection system
03/02/1993CA1314071C Soil chemical sensor and precision agricultural chemical delivery system and method
03/01/1993CA2076896A1 Chemical sensor for carbon monoxide detection
02/1993
02/25/1993DE4201216C1 Oxygen@ sensor for gas mixt. - measures difference in flow speed in two stream channels etched into wafer substrate by two thermo anemometers
02/25/1993DE4127663A1 Verfahren zum bestimmen und regeln der konzentration von wirkstoffen zur reinigung und desinfektion in waessrigen reinigungs- und desinfektionsmittelloesungen To determine methods and rules of the concentration of active ingredients for cleaning and disinfection in aqueous detergent and disinfectant loesungen
02/25/1993DE4127405A1 Verfahren zur kontinuierlichen trennung von gemischen mikroskopisch kleiner, dielektrischer teilchen und vorrichtung zur durchfuehrung des verfahrens Process for the continuous separation of mixtures of microscopic dielectric particles and apparatus for performing the method
02/24/1993EP0528554A2 Corrosion sensors
02/24/1993EP0528426A1 A compact ion mobility spectrometer
02/24/1993EP0528021A1 Method and apparatus for magnetic identification and localization of flaws in conductors