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)
11/1982
11/23/1982CA1136028A1 Magnetic particle inspection process and composition useable with simultaneous illumination by ultraviolet and white light
11/17/1982EP0064666A1 Method of producing ceramic substrate having heater layer formed by using conductive paste
11/16/1982US4359727 Detector of defective coating
11/16/1982US4359709 Made of alpha-type ferric oxide
11/16/1982US4359374 Oxygen sensor
11/16/1982US4359054 Retainer arrangement and method for applying a membrane to a physiological sensing unit
11/16/1982US4359030 System for feedback control of air/fuel ratio in IC engine with means to control supply of current to oxygen sensor
11/16/1982US4358951 With gold-palladium alloy
11/16/1982US4358950 Detecting NOx using thin film zinc oxide semiconductor
11/16/1982CA1135792A1 Moisture sensor
11/16/1982CA1135791A1 Moisture tester
11/16/1982CA1135790A2 Method of making and structure for a solid state ion responsive and reference electrodes
11/10/1982EP0064436A1 Device for introducing or retrieving a member in a steam generator
11/10/1982EP0064337A1 Carbon dioxide measurement
11/10/1982EP0064216A2 Device and method for the contactless measuring of the mechanical-tension condition of a ferromagnetic sheet
11/09/1982US4358423 Method and apparatus for monitoring and controlling the charging operation of an elongated measuring chamber
11/09/1982US4358358 For moving wall type electrophoresis of cellular particles
11/09/1982US4358338 End point detection method for physical etching process
11/09/1982CA1135035A1 Aging treatment for exhaust gas oxygen sensor
11/02/1982US4357576 Conductivity cell
11/02/1982US4357426 Humidity sensitive ceramics
11/02/1982US4357223 Oxygen sensing device
11/02/1982US4357174 Slab gel destaining method
11/02/1982US4357143 Determining ion concentration
11/02/1982US4356628 Method to render accessible an electrical contact region of a composite element
11/02/1982CA1134958A1 Fire detectors
11/02/1982CA1134913A1 Finish measuring method and apparatus
11/02/1982CA1134911A1 Halide ion-selective devices
11/02/1982CA1134608A1 Uncompensated low temperature stoichiometric air/fuel ratio exhaust gas sensor
10/1982
10/28/1982WO1982003689A1 An apparatus analysing combustion gas
10/27/1982EP0063455A1 Method for the fabrication of encapsulated chemoresponsive microelectronic device arrays
10/27/1982EP0063264A1 Method for the manufacture of a temperature sensitive platinum thin film resistance element
10/27/1982EP0063213A2 pH electrode
10/26/1982US4356260 Enzymatic indicator system
10/26/1982US4356150 Multilayer porous oxide and nitride layers deposited over metallic conductive thin films
10/26/1982US4356098 Stable ferrofluid compositions and method of making same
10/26/1982US4356074 Substrate specific galactose oxidase enzyme electrodes
10/26/1982US4356072 Acetylated or succinylated cytochrome c
10/26/1982US4356065 Polarographic oxygen concentration sensor and method of determining oxygen content in the exhaust gases of an internal combustion engine
10/26/1982CA1134442A1 Exhaust gas sensor having porous, metal-impregnated ceramic element
10/26/1982CA1134167A1 Hydrophobic coating of billets
10/20/1982EP0063073A1 Device for locating a member in the openings of a tube sheet
10/20/1982EP0062994A2 Oxygen sensors
10/20/1982EP0062987A1 Methods of manufacturing combustibles sensors
10/19/1982US4355281 Eddy current surface flaw detection employing signal correlation
10/19/1982US4355056 Method of manufacturing a combustibles sensor
10/19/1982US4354913 Membrane having surface containing the reaction product of glutaraldehyde and the enzyme
10/19/1982US4354912 Solid electrochemical sensor
10/19/1982US4354468 System for feedback control of air/fuel ratio in IC engine with subsystem to control current supply to oxygen sensor
10/19/1982US4354406 Method of and device for forming openings in a gelatinous substance
10/19/1982US4354308 Method for manufacture of a selective chemical sensitive FET transducer
10/19/1982CA1133989A1 Method and device for laying a chemical cutback on a roadway
10/13/1982EP0062466A1 Combustible-gas detectors
10/13/1982EP0062330A1 Oxygen sensor with a zirconium dioxide element, method of producing the same and subsequent treatment, use of the sensor for measuring in atmospheres containing sulphur oxides
10/13/1982EP0062250A2 Electroanalytical measuring method with error compensation and apparatus for using this method
10/12/1982US4354244 Method and apparatus for determining the moisture content of particulate material that may contain an unknown amount of moisture in a frozen state
10/12/1982US4354156 Device for detecting ferromagnetic materials
10/12/1982US4353867 Method and apparatus for the determination of substances in biological solutions by differential pH measurement
10/12/1982US4353789 Gas-liquid analyzer
10/12/1982CA1133607A1 Respirator cartridge end-of-service life indicator
10/12/1982CA1133279A1 Flowmeter for providing synchronized flow data and respiratory gas samples to a medical mass spectrometer
10/06/1982EP0061956A1 Method for eddy current non destructive testing with lift off correction and apparatus for using this method
10/06/1982EP0061811A1 Device for positioning an electric cord and mounting a plug at an end thereof
10/06/1982EP0061810A2 Measuring apparatus comprising an electrode with a solid-state sensitive element, and method of manufacturing
10/06/1982EP0061544A1 Method of and apparatus for measuring the liquid content of a mixed-phase fluid
10/05/1982US4352726 Having a polymer made from a giant heterocyclic compound
10/05/1982US4352286 Combustible gas detecting element
10/05/1982CA1133067A1 Eddy current mapping probe and method of operating same
10/05/1982CA1133062A1 Method and apparatus for determining and controlling amount of carbon deposited on a surface by a gas
10/05/1982CA1133060A1 Method for the automatic electro-chemical determination of the end point of a titration
10/05/1982CA1133059A1 Electrode-containing device with capillary transport between electrodes
10/05/1982CA1132903A1 Electrochemiluminescent immunoassay
10/05/1982CA1132890A1 Cytological assay procedure
09/1982
09/30/1982WO1982003275A1 An electrode device for determining the partial pressure of co2
09/29/1982EP0061190A1 An electrode device
09/29/1982EP0061078A2 Self-drive manipulator for the remotely controlled transport of test devices and tools within pipes along given support rails, preferably for nuclear power plants
09/29/1982EP0060944A1 Sensor for oxygen-combustibles gas mixtures
09/28/1982US4352099 Gas sensing unit for use in environment comprising explosive gases
09/28/1982US4352068 Method of measuring activities by means of solid ion conductors
09/28/1982US4352065 Nondestructive electromagnetic inspection of pipelines incorporated in an electrically closed loop
09/28/1982US4352059 Determination of moisture level in materials
09/28/1982US4351711 Electrophoresis method for detecting glycosylated hemoglobin in blood
09/28/1982US4351709 Method of obtaining the mean electrophoretic mobility of particles
09/28/1982US4351184 Surface inspection equipment
09/28/1982US4351182 Having a metal layer which changes to oxide, altering electrical conductivity
09/28/1982US4351181 Linear, gas to voltage transducer circuit
09/28/1982CA1132662A1 Examination apparatus for milk drawn from quarter mammal of a milk cow
09/28/1982CA1132660A1 Method of measuring with redox- or ion-sensitive electrodes
09/28/1982CA1132368A1 Temperature-humidity detecting element and detecting apparatus using the element
09/22/1982EP0060588A1 Device for measuring the variation of a capacitive impedance, the dielectric of which consists of a lubricant
09/22/1982EP0060533A2 Electrochemical analyser
09/22/1982EP0060378A2 Method and apparatus to give information about the localizations of flaws
09/21/1982US4351031 Nondestructive testing system having automatic set-up means
09/21/1982US4350675 Controlled release glass
09/21/1982US4350660 Ammonia gas sensors
09/21/1982US4350579 Testing apparatus for measuring ions in fluids
09/16/1982WO1982003128A1 Silver stains for protein in gels
09/15/1982EP0060082A1 Electrochemical flow cell for liquid chromatography
09/15/1982EP0060075A2 Ionizer having interchangeable ionization chamber
09/15/1982EP0059933A1 Solid electrolyte oxygen sensing element of laminated structure with gas diffusion layer on outer electrode
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