| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 01/20/1982 | EP0043941A2 Method of monitoring the ion content of very pure water by conductivity measurement |
| 01/20/1982 | EP0043826A1 Device for determining the content of magnetite and phosphore in minerals. |
| 01/19/1982 | US4311959 Capacitive measuring sensor |
| 01/19/1982 | US4311908 Simple electronic apparatus for the analysis of radioactively labeled gel electrophoretograms |
| 01/19/1982 | US4311669 Membrane interface for ion mobility detector cells |
| 01/19/1982 | US4311664 Flame-photometric detector burner of gas chromatograph |
| 01/19/1982 | US4311151 Oxygen measuring electrode assembly |
| 01/19/1982 | CA1116696A2 Ion-selective electrode |
| 01/19/1982 | CA1116695A1 Method and an arrangement for testing the serviceability and for setting and calibrating a test apparatus for the non-destructive electrical or magnetic testing of metallic blanks |
| 01/13/1982 | EP0043775A1 Capacitive sensor and method of making it |
| 01/13/1982 | EP0043653A2 Solid-state ion-sensitive electrode |
| 01/13/1982 | EP0043611A1 Amperometric cell |
| 01/12/1982 | US4310637 Blend with a halogenated polyolefin and an acrylonitrile-diene-styrene terpolymer |
| 01/12/1982 | US4310563 Method for automatically controlling composition of chemical copper plating solution |
| 01/12/1982 | US4310408 Electrophoresis chamber |
| 01/12/1982 | US4310407 For protein analysis in sera |
| 01/12/1982 | US4310402 Lanthanum aluminate or rare earth oxide |
| 01/12/1982 | US4310401 Internal combustion engines |
| 01/12/1982 | US4310400 Thin layer electrode and cell |
| 01/12/1982 | US4310399 Liquid transport device containing means for delaying capillary flow |
| 01/12/1982 | US4309905 Method for detecting non-uniformities of magnetic materials and device for effecting same |
| 01/12/1982 | US4309903 Method and apparatus for analyzing selected material properties with magnetomechanical acoustic emissions |
| 01/12/1982 | US4309897 Exhaust gas sensor seal and protection tube arrangement |
| 01/12/1982 | CA1116319A1 Smoke detectors |
| 01/12/1982 | CA1116315A1 Sample holding element for mass spectrometer |
| 01/12/1982 | CA1116237A1 Humidity sensor of capacitance change type |
| 01/12/1982 | CA1116062A1 Microelectrophoretic apparatus and process |
| 01/06/1982 | EP0043287A2 Electrophoretic gel container |
| 01/06/1982 | EP0043137A1 Method and apparatus for continuously measuring the moisture content of granular food products |
| 01/06/1982 | EP0043001A1 Humidity sensor and method of manufacturing it |
| 01/06/1982 | EP0042914A2 Air-fuel ratio controlling device for internal combustion engines |
| 01/06/1982 | EP0042881A2 Method and apparatus for testing a metallic test piece |
| 01/05/1982 | US4309663 Rate of change detection |
| 01/05/1982 | US4309661 Device for measuring quantity of electric charges on electrified fluid |
| 01/05/1982 | US4309660 Methods and apparatus for measuring electrical conductivity |
| 01/05/1982 | US4309654 Method and apparatus for testing moisture content of pulp insulation during application onto an electrical conductor |
| 01/05/1982 | US4309268 System for hydrodynamic compensation for electrophoresis crescent distortion |
| 01/05/1982 | US4309262 Electrochemical reaction with platinum electrode under oxidizing conditions |
| 01/05/1982 | US4308822 Apparatus for applying sample liquid onto sample bearing film |
| 01/05/1982 | CA1115860A1 Smoke detectors |
| 01/05/1982 | CA1115845A1 Net oil computer or the like |
| 01/05/1982 | CA1115775A1 Carbon monoxide detecting device |
| 12/30/1981 | EP0042789A1 Method for the in situ and continuous high-sensibility measuring of concentrations of gas and volatile products, and apparatus for carrying it out |
| 12/30/1981 | EP0042436A1 Measuring unit for determining the oxygen content of a gas |
| 12/29/1981 | US4308519 Device for detecting the knocking phenomenon in controlled-ignition internal combustion engines, based on the use of ionization probes |
| 12/29/1981 | US4308518 Gas component detector |
| 12/29/1981 | US4308458 Fire detectors utilizing an ionization chamber not subject to condensation of water vapor during variations of temperature |
| 12/29/1981 | CA1115188A1 Process for producing improved solid electrolyte oxygen gas sensors |
| 12/24/1981 | WO1981003709A1 Determination of moisture level in materials |
| 12/23/1981 | EP0042219A1 Glass encapsulated materials |
| 12/23/1981 | EP0042157A1 Electrode for measurement of ion activity |
| 12/23/1981 | EP0042086A2 Device for the determination of the active oxygen content in molten metals |
| 12/22/1981 | US4307373 Solid state sensor element |
| 12/22/1981 | US4307295 Mass spectrometers |
| 12/22/1981 | US4307195 Exectrode for electrochemical analyzing apparatus |
| 12/22/1981 | US4307070 Methods and apparatuses for performing immunoassays |
| 12/22/1981 | US4307061 Self-recovering soot detector, particularly to monitor carbon content in diesel engine exhaust gases |
| 12/22/1981 | US4306958 Coloring-decoloring-drying apparatus for electrophoresis |
| 12/22/1981 | US4306957 Oxygen sensitive element |
| 12/22/1981 | US4306956 Using tracking dye |
| 12/22/1981 | US4306444 Air-fuel ratio detecting system |
| 12/22/1981 | CA1114726A1 Carbon monoxide detecting apparatus |
| 12/22/1981 | CA1114637A1 Lower explosive limit (lel) control with automatic calibration capability |
| 12/16/1981 | EP0041542A1 Compositions including mercaptoorganopolysiloxanes and metal salts of carboxylic acids. |
| 12/15/1981 | US4305803 Gas sensor construction, particularly to determine oxygen content combustion exhaust gases, particularly from internal combustion engines |
| 12/15/1981 | US4305802 Ph sensor electrochemically connected together by a conductive resin in medical equipment |
| 12/15/1981 | US4305799 Method and apparatus for performing uni- and bi-dimensional micro-gel electrophoresis |
| 12/15/1981 | US4305798 Method of preparative, Kohlrausch-regulated electrophoresis using polyethylene glycol derivatized trailing ions |
| 12/15/1981 | US4305724 Combustible gas detection system |
| 12/15/1981 | CA1114194A1 Method and apparatus for detecting the presence of water in oil |
| 12/10/1981 | WO1981003546A1 Method and apparatus for determining glucose in biological fluids |
| 12/10/1981 | WO1981003450A1 Measuring device for determining the hardening duration of binding materials and core compounds |
| 12/10/1981 | WO1981003448A1 Device for determining the hardening duration of binding materials and core compounds |
| 12/10/1981 | WO1981003447A1 Device for determining the hardening duration of binding materials |
| 12/08/1981 | US4305112 Capacitance humidity sensing element |
| 12/08/1981 | US4305039 IR Corrected electrochemical cell test instrument |
| 12/08/1981 | US4304997 Electron capture detector with thermionic emission electron source |
| 12/08/1981 | US4304853 Method of determination for proteases and antiproteases |
| 12/08/1981 | US4304652 Solid electrolyte, gas permeable electrode, oxidation catalyst |
| 12/08/1981 | US4304651 Platinum or alloy lead wire, solid electrolyte |
| 12/08/1981 | US4304124 Charging mechanisms for electrogasdynamic spectral anemometer |
| 12/08/1981 | CA1114072A1 Charge-flow transistors having metallization patterns |
| 12/08/1981 | CA1114021A1 Potentiostated, three-electrode, solid polymer electrolyte (spe) gas sensor having highly invariant background current characteristics with temperature during zero-air operation |
| 12/08/1981 | CA1114020A1 Self-humidifying potentiostated, three-electrode hydrated solid polymer electrolyte (spe) gas sensor |
| 12/08/1981 | CA1114018A1 Method for detecting the fouling of a membrane covered electrochemical cell |
| 12/02/1981 | EP0040691A1 Apparatus for measuring semiconductor surface potential and impurity concentration |
| 12/02/1981 | EP0040662A1 Temperature compensated resistive oxygen sensor and method of making the sensor resistor elements |
| 12/01/1981 | US4303887 Electrical liquid conductivity measuring system |
| 12/01/1981 | US4303885 Digitally controlled multifrequency eddy current test apparatus and method |
| 12/01/1981 | US4303884 Inflatable eddy current inspection probe for inspection of tubular means |
| 12/01/1981 | US4303883 Apparatus for detecting the center of a welded seam in accordance with fundamental harmonic component suppression |
| 12/01/1981 | US4303740 Process for the preparation of highly accurate and stable electrode containing a silver salt |
| 12/01/1981 | US4303613 Ceramic, oxidation catalyst for use in internal combustion engine |
| 12/01/1981 | US4303612 Gas sensitive devices |
| 12/01/1981 | US4303512 Apparatus for indicating the loading on an ion exchanger with respect to a specific metal or group of metals |
| 12/01/1981 | US4303490 Exhaust electrode process for exhaust gas oxygen sensor |
| 12/01/1981 | US4303076 Probe for transcutaneous sampling |
| 12/01/1981 | CA1113568A1 Fluid condition monitoring system |
| 11/26/1981 | WO1981003381A1 Improvements in or relating to measurement apparatus |
| 11/25/1981 | EP0040342A1 Smoke detector |