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)
11/1983
11/15/1983US4415859 Paraffin monitor
11/15/1983US4415858 pH Meter probe assembly
11/15/1983US4415666 Enzyme electrode membrane
11/15/1983US4415428 Support for electrophoresis and method of producing same
11/15/1983US4415418 Gel electrophoresis device and method
11/15/1983US4414839 Gas sensing apparatus and method
11/15/1983CA1157096A1 Systems and method for identifying objects having conductive properties
11/09/1983EP0093566A2 Method and apparatus for non-destructive testing of magnetical permeable bodies
11/08/1983US4414531 Partial pressure of oxygen sensor-I
11/08/1983US4414508 Method and apparatus for automated inspection of fastener holes by eddy current
11/08/1983US4414093 Multifunctional reference electrode
11/08/1983US4414073 Supporting body cell in electrophoretic apparatus
11/08/1983US4413628 pH Monitor electrode electrolyte cartridge
11/08/1983US4413627 Polarographic catheter probe
11/08/1983US4413601 Method for computing a compensation value for an engine having electronic fuel injection control
11/08/1983US4413505 Electrochemical flow cell, particularly use with liquid chromatography
11/08/1983US4413502 Ceramic of cobalt monoxide, magnesium monoxide and nickel monoxide
11/08/1983US4413407 Method for forming an electrode-containing device with capillary transport between electrodes
11/08/1983CA1156680A1 Ph electrode glass compositions
11/02/1983EP0092775A1 Device for the measurement of erythrocyte deformability
11/01/1983US4413231 Eddy current inspection probe for non-destructive inspection of tubes with a probe body having an outer coiled spring sheath and an inner plastic material sheath
11/01/1983US4412904 Electrochemical measuring cell
11/01/1983US4412809 Oxygen density detecting device in combustor
11/01/1983US4412444 Method for detection of hydrocarbonaceous fuel in a fuel injection engine
11/01/1983CA1156311A1 Sorting device for tubular goods
11/01/1983CA1156310A1 Sensor control circuit
11/01/1983CA1156309A1 Buffer overcoat for co.sub.2 ion-selective electrodes
11/01/1983CA1156064A1 Multi-functional sensor
10/1983
10/27/1983WO1983003681A1 Tire defect tester
10/27/1983WO1983003675A1 A method and a device for monitoring large metal structures
10/26/1983EP0092132A2 Oxygen concentration control system
10/26/1983EP0092094A1 Method of and apparatus for eddy current testing
10/26/1983EP0092068A1 Gas and/or vapour alarm device
10/26/1983EP0091924A1 Pulsed electro-analysis
10/25/1983US4412177 Eddy current inspection tool which is selectively operable in a discontinuity detection mode and a discontinuity magnitude mode
10/25/1983US4411764 Position in region of excess hydroxyl ion concentration
10/25/1983US4411741 Chemically sensitive field effect transistor
10/25/1983US4411151 Device for calibrating gas electrodes
10/25/1983CA1155800A1 Silver/silver halide electrodes comprising chromium or nickel
10/25/1983CA1155738A1 Process for detecting proteins specific to hypertension in mammals
10/19/1983EP0091623A1 Ionisation fire detector
10/18/1983US4410885 Conductive fluid detecting method and apparatus
10/18/1983US4410854 Flame ionization detector
10/18/1983US4410632 Gas sensing apparatus and method
10/18/1983US4410631 Compensated reference liquid
10/18/1983US4410409 Amperometric gas sensor, cathode assembly therefor and method of making said cathode assembly
10/18/1983US4409980 Gas sensor with pH-sensitive FET transducer
10/18/1983CA1155495A1 Hydrogen ion sensor having a membrane sheath of an oxygen ion conducting ceramic
10/18/1983CA1155494A1 Oxygen concentration detector and a method of detecting oxygen concentration
10/18/1983CA1155493A1 Heated gas composition sensor structure
10/18/1983CA1155316A1 Electrochemical sensing apparatus with in situ calibration and method of making same
10/11/1983US4409553 Paraffin monitor
10/11/1983US4409549 Carriage mounted apparatus for detecting surface defects in flat surfaced metallic objects
10/11/1983US4409509 Piezoelectrically driven transducer for electron work function and contact potential measurements
10/11/1983US4409482 Stabilization control for a mass spectrometer
10/11/1983US4409183 Apparatus for ascertaining the quantity of ozone in water
10/11/1983US4409135 Paste containing electrically conducting powder to form conducting solid filler in cavity in ceramic substrate
10/11/1983US4409088 Supplying plasticizer
10/11/1983US4408902 Method of and device for determining the boiling point of a liquid
10/11/1983CA1155179A1 Solid electrolyte oxygen-sensing element of laminated structure
10/11/1983CA1155178A1 Detecting and measuring the position of a break in solid formations
10/05/1983EP0090779A2 Method and apparatus for the execution of a gastro-esophageal pHmetric test
10/05/1983EP0090725A1 Inspection device for the tube plate of a heat exchanger
10/05/1983EP0090636A2 Liquid transport device
10/05/1983EP0090482A1 Apparatus for measuring defects in insulation coatings
10/05/1983EP0090190A1 Method and apparatus for magnetically detecting flaws in materials
10/05/1983EP0090048A1 Humidity sensor
10/04/1983US4408282 AC Resistance measuring instrument
10/04/1983US4408128 Electric resistance type wide range moisture meter
10/04/1983US4407907 Porous with fluorine containing solvent
10/04/1983US4407778 Electrical resistance of semiconductor
10/04/1983US4407704 Electrolytic
10/04/1983US4407291 Transcutaneous blood oxygen measuring device
10/04/1983US4407057 Measurement of exhaust gas from internal combustion engines
10/04/1983CA1154793A1 Zirconia ceramics and a method of producing the same
09/1983
09/29/1983WO1983003305A1 Electrical conductivity device for detecting mastitis in dairy cows
09/29/1983WO1983003304A1 Ion selective measuring electrode device
09/28/1983EP0089946A1 Device for determining the mixing ratio of liquids
09/28/1983EP0089630A2 Device for measuring oxygen concentration in exhaust gas
09/28/1983EP0089470A1 Gas detecting apparatus
09/27/1983US4406770 Gas sensor
09/27/1983US4406766 Ceramics, hermetic sealing
09/27/1983US4406754 Method and probe for the rapid determination of sulfur level
09/27/1983US4406751 Electrochemical determination of orthophosphoric monoester phosphohydrolase activity (EC 3.1.3.1 and EC 3.1.3.2: alkaline and acid phosphatases)
09/27/1983US4406238 Sewing machine with cyclic pattern stitching device
09/27/1983US4406154 Low level alkali metal detection in combustion gas streams
09/27/1983CA1154550A1 Compositions including mercaptoorganopolysiloxanes and metal salts of carboxylic acids
09/27/1983CA1154499A1 Moisture meters of a type especially suitable for estimating the moisture content of organic materials
09/21/1983EP0089052A2 Method and measurement device for determining carbon activity in furnace environments
09/21/1983EP0088917A1 Laser microprobe for solid samples in which viewing optics, laser light optics and ion optics are arranged at the same side of a sample mounting
09/21/1983EP0088787A1 Solid state galvanic-cell sensors for measuring gaseous sulfur dioxide
09/20/1983US4405720 Ultra-sensitive, redox
09/20/1983US4405462 Automatic revitalization of sulfide processing and treatment solutions
09/20/1983US4405429 Oxygen detector
09/20/1983CA1154093A1 Method and improved apparatus for obtaining temperature-corrected readings of ion levels and readings of solution temperature
09/20/1983CA1154092A1 Analysis system
09/20/1983CA1154091A1 Transcutaneous carbon dioxide measurement electrode assembly
09/20/1983CA1154090A1 Method and apparatus for forming electrical contact with an analysis slide
09/15/1983WO1983003143A1 Electrical testing
09/15/1983WO1983003139A1 Humidity measuring apparatus
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