Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
07/1982
07/20/1982US4340448 Potentiometric detection of hydrogen peroxide and apparatus therefor
07/20/1982CA1128128A1 Electrochemical sensor, particularly for internal combustion engine exhaust gas composition determination, and method of its manufacture
07/20/1982CA1127944A1 Detection process
07/20/1982CA1127943A1 Kit for determining the level of ldl cholesterol in body fluids
07/20/1982CA1127871A1 Ceramic insulator for an exhaust gas oxygen sensor
07/20/1982CA1127870A1 Temperature compensated titania type oxygen sensor
07/14/1982EP0055810A2 A dielectric moisture monitor
07/13/1982US4339721 Electrostatic voltmeter
07/13/1982US4339719 Conductivity sensor for monitoring corrodents being deposited in a steam turbine
07/13/1982US4339327 For separating organic molecules
07/13/1982US4339320 Ceramic carrier tube surrounding solid electrolyte body permits efficient heat transfer
07/13/1982US4339318 Solid electrolyte type
07/13/1982US4339317 Device for performing measurements on fluids, directly in the sample container
07/13/1982CA1127714A1 Method of making and structure for a solid state ion responsive and reference electrodes
07/13/1982CA1127571A1 Method of magnetic separation of cells and the like, and microspheres for use therein
07/13/1982CA1127470A1 Reference electrode printing process and mask for exhaust gas oxygen sensor
07/12/1982EP0018375A4 Apparatus and process for continuous flow isoelectric focusing.
07/06/1982US4338566 Magnetic particle method using water soluble adhesive for detecting flaws in magnetizable workpieces
07/06/1982US4338563 Corrosion measurement with secondary temperature compensation
07/06/1982US4338440 Calcium ion selective membrane component
07/06/1982US4338356 Method of producing flat solid electrolyte layer of flat film type oxygen sensor
07/06/1982US4338281 Thin film semiconductor gas sensor having an integrated heating element
07/06/1982US4338175 All solid state electrode system
07/06/1982US4338174 Disposable gas sensor useful for monitoring gas in blood
07/06/1982US4338117 Having an exyben probe and conduit cast in a ceramic block
07/06/1982US4338033 Densitometer
07/06/1982US4337746 System for feedback control of air/fuel ratio in internal combustion engine
07/06/1982US4337745 Closed loop air/fuel ratio control system with oxygen sensor signal compensation
07/06/1982US4337658 Humidity sensor
07/06/1982CA1127240A1 Method for determining the concentration of sugar and electrocatalytic sugar sensor suitable therefor
06/1982
06/30/1982EP0055104A2 Sensor element and method for fabricating same
06/30/1982EP0054813A2 A capacitance humidity sensor and a method for preparation thereof
06/30/1982EP0054688A2 Air electrode
06/29/1982US4337431 Eddy current test apparatus for annular welds
06/29/1982US4337131 Process for electrophoresis
06/29/1982CA1126879A1 Trace water measurement
06/29/1982CA1126817A1 Gas sensor with closely wound termination springs
06/29/1982CA1126816A1 Resistance type oxygen sensor
06/29/1982CA1126815A1 Device for determining ionic activity
06/24/1982WO1982002093A1 Method for measuring the partial pressure of a gas and probe for implementing such method
06/23/1982EP0054441A1 Device for testing blades of turbo machines
06/22/1982US4336455 Smoke detectors
06/22/1982US4336161 Composite materials comprising deformable xerogel within the pores of particulate rigid supports useful in chromatography
06/22/1982US4336111 Method for determining the strength of a metal processing solution
06/22/1982US4336091 Encapsulating an elongated ribbon of porous material in a nonporous material
06/22/1982US4336031 Method for the calibration of an oxygen sensing unit and calibration agent therefor
06/22/1982US4335966 Method of preparing concrete mixtures
06/22/1982CA1126339A1 On line moisture detection apparatus
06/22/1982CA1126338A1 Solid state ion selective electrodes
06/22/1982CA1126337A1 Flow-through electrochemical system
06/22/1982CA1126335A1 Potentiostat for use with electrochemical cells
06/22/1982CA1126286A1 Calcium ion-selective electrodes and membrane for use therein
06/22/1982CA1126203A1 Method and apparatuses for electrophoretic immunoassay
06/16/1982EP0053735A1 Circuitry for a coin tester
06/16/1982EP0053689A2 Electrochemical apparatus for measuring ionic concentration
06/16/1982EP0053628A1 Determination of moisture level in materials
06/15/1982US4335369 Oxygen sensor
06/15/1982US4335352 Yield strength determination of ferromagnetic materials
06/15/1982US4335017 Filling pores of support with xerogel precursor, gelation
06/15/1982US4334974 The insulating plate can be made of alumina or zirconia
06/15/1982US4334972 Ampholyte and its use in separation processes
06/15/1982US4334940 Method of making solid electrolyte oxygen sensor with integral heater
06/15/1982US4334880 Analytical device having semiconductive polyacetylene element associated with analyte-binding substance
06/15/1982US4334879 Absorption of liquid by porous blade, applying to film in uniform fine line; electrophoresis of blood
06/15/1982US4334541 Thermal protective circuit for a hyperemia-inducing physiological sensor
06/15/1982US4334510 Electrochemical sensor for measuring relative concentrations of reactive species in a fluid mixture and a system comprising said sensor, especially for regulation
06/15/1982CA1125885A1 Apparatus and method for detecting wet and icy conditions on the surface of a pathway
06/15/1982CA1125858A1 Apparatus and method for detecting substances and regulating current
06/15/1982CA1125857A1 Process for producing a solid electrolyte oxygen gas sensing element
06/09/1982EP0053295A2 Multifrequency eddy current testing device
06/08/1982US4333812 Bubble-preventing plug
06/08/1982US4333811 Device for monitoring a component in a fluid mixture
06/08/1982US4333810 Ion exchange membrane; electrical measuring instruments; detectors; vapor phase
06/08/1982CA1125372A1 Internally, electrically heated electrochemical sensing element
06/08/1982CA1125371A1 Electrochemical cell for the detection of chlorine
06/02/1982EP0052718A1 Method and apparatus for the determination of substances in biological solutions by differential pH measurement
06/01/1982US4333067 Ceramic type sensor device
06/01/1982US4332772 Wheatstone bridge to detect combustibility
06/01/1982US4332658 Chemical substance detection apparatus
06/01/1982US4332646 Electrolytic detection of defects in coating
06/01/1982US4332472 Automatic cataphoresis apparatus
06/01/1982US4332225 Internal combustion engine with oxygen sensor heater control
06/01/1982CA1124791A1 Electrochemical cell
06/01/1982CA1124679A1 Electrode sputtering process for exhaust gas oxygen sensor
06/01/1982CA1124678A1 Exhaust electrode process for exhaust gas oxygen sensor
05/1982
05/27/1982WO1982001772A1 Reference electrode
05/26/1982EP0052542A1 Electrochemical sensor for trace gases in a fluid-mixture, and regulation system of the air-fuel ratio in an air-fuel mixture using such a sensor
05/26/1982EP0052391A2 Apparatus for the fractionation of a solution by electrophoresis
05/26/1982EP0052215A2 Device for a capacitive measurement of a filling level
05/26/1982EP0052148A1 Method and apparatus for determining glucose in biological fluids
05/25/1982US4331923 Salts monitoring device
05/25/1982US4331920 Magnetic or magneto-inductive materials tester with improved processing circuit
05/25/1982US4331919 Apparatus for magnetic testing ferromagnetic sheet or strip material using rectangular coils
05/25/1982US4331699 Method for evaluating electroless plating
05/25/1982US4331031 Method and apparatus for testing the rain resistance of fabrics and garments or other articles made therefrom
05/25/1982CA1124328A1 Multifrequency eddy current testing device
05/19/1982EP0052058A1 Device for the detection of faults in a metallic product by means of eddy currents
05/18/1982US4330748 Frequency correction circuitry for pipeline sensor apparatus
05/18/1982US4330718 Humidity sensor and a humidity detection circuit using the humidity sensor
05/18/1982US4330633 Solid electrolyte
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