Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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05/25/1993 | US5214267 Apparatus for controlling heater for heating oxygen sensor |
05/25/1993 | US5213675 Reference electrode, ion sensor and method of manufacturing the same |
05/25/1993 | US5213673 Multi-colored electrophoresis pattern reading apparatus |
05/25/1993 | US5213669 Capillary column containing a dynamically cross-linked composition and method of use |
05/25/1993 | US5213668 Monitoring and control of process streams at elevated temperatures |
05/25/1993 | US5212982 Method and apparatus to check the acceptableness of the state of wear in the covering fabric of a driving belt |
05/25/1993 | CA1318353C System employing a biosensor to monitor a characteristic of a select component in a medium |
05/21/1993 | CA2079301A1 Method for the rapid determination of the microorganism content of liquids and fluid solutions, and apparatus for implementing this method |
05/19/1993 | EP0542337A1 An oil sensor and methods of making and using the same |
05/19/1993 | EP0542140A2 Tube arrangement for use in a blood circuit |
05/19/1993 | EP0541922A2 Method and device for catalytic post-combustion of exhaust gas of an internal combustion engine |
05/19/1993 | EP0541895A1 Particle sensor probe |
05/19/1993 | EP0541739A1 Reference electrode with an ion-retention barrier for electro-chemical measuring equipment. |
05/19/1993 | EP0541578A1 Polymerisable porphyrins |
05/19/1993 | EP0327588B1 High sensitivity optical imaging apparatus |
05/19/1993 | DE4238452A1 Automatic electrophoresis unit - includes unit for supplying substrate sheets to buffer wetting unit, or feed unit with controlled shear and feed units, or several feed units for supplying sheets of different length |
05/19/1993 | DE4236942A1 Paramagnetic oxygen@ analyser using pulsed inhomogeneous magnetic field - for non-position dependent gas analysis, consisting of bridge circuit, electrical generator and flowmeter |
05/19/1993 | DE4212505C1 Double wall pipe providing intermediate chamber for lambda sensor support - is insulated to prevent loss of heat from exhaust gas of motor vehicle so that catalyser can be effective from cold start |
05/19/1993 | DE4137877A1 Physico-chemical characterisation process for protein macromolecules - by soaking macromolecules in potassium nitrate soln., warming then using phase-selective AC polarography for selective discrimination of specific structure types |
05/19/1993 | DE4137261A1 Miniaturisiertes sensorelement zur bestimmung der stoffkonzentration in fluessigkeiten und verfahren zu seiner herstellung A miniaturized sensor element for determining the substance concentration in liquids and process for its preparation |
05/19/1993 | DE4131731A1 Sensor for determining chemicals in liq. gps. or glass - has micro-electrode array on silicon@ chip useful e.g. for determining oxygen concn. in blood |
05/19/1993 | CN2133841Y Monitor for oil residue |
05/19/1993 | CN2133840Y Solid electrolyte oxygen meter |
05/19/1993 | CN1072261A On-line hydraulic system pollution particle monitor |
05/19/1993 | CN1020803C Probe for measuring negative offset of under ground pipe-line cathode protection protential and measuring method |
05/19/1993 | CN1020802C Method and system for on-line calibration and validation of process instrumentation |
05/19/1993 | CN1020801C Apparatus for accurately measuring the relative conductivity of sea water and the absolute conductivity of solutions |
05/18/1993 | US5212453 Pulse echo method and apparatus for measuring the moisture content of materials |
05/18/1993 | US5212299 Glyceryl agarose and borate compositions |
05/18/1993 | US5212253 Electrophoresis element comprising a polymer containing a haloacetamido group |
05/18/1993 | US5212018 Titanium, platinum black |
05/18/1993 | US5211830 Sheet-type electrode for use in the measurement of ion concentration |
05/18/1993 | US5211829 Analytical method and apparatus using capillary tube |
05/18/1993 | US5211827 Electrochemical cell with ionic semiconductor separator |
05/18/1993 | US5211820 Gas analysis system for furnaces and the like |
05/18/1993 | US5211154 Method and apparatus for maintaining stoichiometric air-to-fuel ratio in an internal combustion engine |
05/18/1993 | US5211053 Hot gas sensor device with improved thermal isolation from carrier plate |
05/15/1993 | WO1993010258A1 Capillary zone electrophoretic analysis of isoenzymes |
05/15/1993 | CA2099567A1 Capillary zone electrophoretic analysis of isoenzymes |
05/13/1993 | WO1993009433A1 Electrochemical measurement system having interference reduction circuit |
05/13/1993 | WO1993009428A1 Circuit assembly and method for electrical eddy-current testing |
05/13/1993 | WO1993009427A1 Cation-selective polymeric electrodes |
05/13/1993 | WO1993009426A1 Electrochemical detector cell, method and pyrolysis furnace |
05/13/1993 | WO1993008984A1 Bistable magneto-optic single crystal films and method of producing same utilizing controlled defect introduction |
05/13/1993 | WO1993008903A1 Process and capillary columns for separating enantiomers |
05/13/1993 | DE4236960A1 Non-Otto IC engine air-fuel mixture regulating - having at least one cylinder for optimum use of catalyser with probe for determining air ratio, lambda, in hot exhaust gas flow with carbon mon:oxide and nitrogen:oxide |
05/13/1993 | DE4203523C1 Carbon di:oxide sensor arrangement - has single or polycrystalline Aluminium Oxide substrate, solid state ion conductor provided as film over top and bottom of substrate, counter electrode and working electrodes applied to ion conductor |
05/13/1993 | DE4203522C1 Temp. stable oxygen@ sensor - includes two sensor layers which show different dependence of conductivity on partial pressure of oxygen@ but similar variation of conductivity with temp. |
05/13/1993 | DE4137197A1 Gas sensor with temp. gradient region useful in portable battery powered detectors - has temp. sensors provided with exothermic reaction catalyst |
05/13/1993 | DE4137030A1 Elektrochemischer sensor zur messung der gaskonzentration An electrochemical sensor for measuring the gas concentration |
05/13/1993 | DE4136639A1 Electrical detection system for non dissolved gas in HF plant - uses fluid-filled capacitors to detect change in dielectric constant caused by gas penetrating liquid |
05/13/1993 | DE4136217A1 Multiple sample transfer device for automated electrophoretic analysis - in which sample locations lie precisely vertically below associated location of applicator |
05/13/1993 | CA2122362A1 Circuit arrangement and method for electrical eddy-current testing |
05/13/1993 | CA2122264A1 Bistable magneto-optic single crystal films and method of producing same utilizing controlled defect introduction |
05/12/1993 | EP0541520A2 Detector for detecting discontinuities in a pipe |
05/12/1993 | EP0541495A2 Apparatus for accurately measuring the water content of gas |
05/12/1993 | EP0541264A2 Method of performing an instantaneous moisture concentration measurement and for determining the drydown characteristics of an environment |
05/12/1993 | EP0541238A1 Capillary column for high performance electrophoretic separation and detection of SDS proteins and system for using the same |
05/12/1993 | EP0541108A1 Arthrobacter nicotiana strain, activity of the strain, method to isolate the strain, sensor with the activity and use of the strain |
05/12/1993 | EP0540974A2 Apparatus for simultaneous determination of different gas components |
05/12/1993 | EP0540907A1 Oxygen analyzer |
05/12/1993 | EP0540839A1 Probe for atomic force microscope usable for scanning tunneling microscope |
05/12/1993 | EP0540720A1 Time compressed chromatography in mass spectrometry |
05/12/1993 | EP0540691A1 Method for analytically utilizing microfabricated sensors during wet-up |
05/12/1993 | EP0442969A4 Wholly microfabricated biosensors and process for the manufacture and use thereof |
05/12/1993 | EP0318551B1 Polymers, and their use as gels for electrophoresis |
05/12/1993 | CN2132987Y Flow continous-ion electrode analysis meter |
05/12/1993 | CN2132986Y Time siren for canal moisture measured instrument |
05/11/1993 | USRE34248 Primary source of electrical energy using a mixture of fuel and oxidizer |
05/11/1993 | US5210500 Process for contactless measurement of the electrical resistance of a test material |
05/11/1993 | US5210499 In-situ sensor method and device |
05/11/1993 | US5210492 Remote field eddy current flaw detector for metal pipes having a pair of receiver coils providing a differential offset amplitude signal |
05/11/1993 | US5209834 Ordered transport and identification of particles |
05/11/1993 | US5209831 Bufferless electrophoresis system and method |
05/11/1993 | US5209275 Liquid dispensing apparatus and method by sensing the type of liquid vapors in the receiver |
05/11/1993 | US5209206 Air-fuel ratio control system |
05/09/1993 | CA2082324A1 Arthrobacter nicotiana strain, activity of the strain, process for the isolation of the strain, sensor with the activity and use of the strain |
05/09/1993 | CA2082194A1 Device for the simultaneous detection of dissimilar gas components |
05/06/1993 | DE4236711A1 Particulate soot determination e.g. for combustion gases - from EMF variation induced by deposition on an electrode in a solid electrolyte cell |
05/06/1993 | DE4136462A1 Verfahren zur enantiomerentrennung an chiral modifizierten trennoberflaechen durch elektromigration in kapillarsaeulen Process for the separation of enantiomers on chiral modified trennoberflaechen by capillary electromigration in |
05/06/1993 | DE4136413A1 Flame ionisation detector e.g. for methane and ethane conc. analysis - has second ionisation detector in parallel connected to gas chromatography for measuring hydrocarbon conc. in component gases |
05/06/1993 | DE4136412A1 Infinitely variable system for gas feed dilution - e.g. for hydrocarbon contg. gas samples, fed to flame ionisation detector unit |
05/06/1993 | DE4135580A1 IC engine injection nozzle jet pattern representing appts. - has array of capacitive measuring cells and determines filling with petrol or diesel from nozzle directed at array |
05/05/1993 | EP0539912A2 Method for producing dry-operative ion-selective electrode |
05/05/1993 | EP0539814A2 Electrocatalytic glucose sensor |
05/05/1993 | EP0539743A1 Enhanced fluorescence detection of samples in capillary column |
05/05/1993 | EP0539731A1 Probe of scanning electrochemical microscope and method of manufacturing the same |
05/05/1993 | EP0539552A1 Electrophoresis chamber |
05/05/1993 | EP0539399A1 Device for preparatory electrophoresis |
05/05/1993 | EP0521065A4 Electrophoretic media |
05/05/1993 | EP0406252B1 ELEMENT FOR LIMIT-CURRENT SENSORS FOR DETERMINING THE $g(l) VALUE OF A GAS MIXTURE |
05/05/1993 | CN2131460Y Ph valve dynamic monitoring apparatus for upper digestive tract |
05/05/1993 | CN1020519C Fabrication of humidity sensor made of oxide ceramic membrane |
05/05/1993 | CN1020505C Method for determination of dissolving rate of high molecular electrolytes |
05/04/1993 | US5208544 Noninvasive dielectric sensor and technique for measuring polymer properties |
05/04/1993 | US5208466 Apparatus and method for aligning capillary column and detection optics |
05/04/1993 | US5208458 Interface device to couple gel electrophoresis with mass spectrometry using sample disruption |
05/04/1993 | US5208457 Cesium oxide ion as primary beam |
05/04/1993 | US5208164 Process for monitoring alkanolamine solutions |
05/04/1993 | US5208162 Method and apparatus for monitoring corrosion |