| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 10/02/1979 | CA1063382A1 Sampling system for engine exhaust gas analysis apparatus |
| 10/02/1979 | CA1063379A1 Calibration apparatus for analytical systems |
| 09/25/1979 | US4169126 Temperature-responsive device |
| 09/25/1979 | US4169036 System for loading slab-gel holders for electrophoresis separation |
| 09/25/1979 | CA1063260A1 Indicating presence of a fire |
| 09/25/1979 | CA1063208A1 Incipient fire detector |
| 09/25/1979 | CA1063002A1 Method and apparatus for analyzing gaseous mixtures |
| 09/19/1979 | EP0004184A1 Gas sensing element and method for its production |
| 09/19/1979 | EP0004124A1 Apparatus and method for trace vapour detection |
| 09/18/1979 | US4168466 Moisture tester |
| 09/18/1979 | US4168465 Tapered hole capacitive probe |
| 09/18/1979 | US4168220 Measuring current output difference by using a substitute electrode |
| 09/18/1979 | US4168219 Electrode for measurement of ionic activity, sensor film therefor and method for manufacture thereof |
| 09/18/1979 | US4168212 Determining semiconductor characteristic |
| 09/18/1979 | US4167878 Apparatus for non-destructively testing materials |
| 09/18/1979 | US4167858 Refrigerant deficiency detecting apparatus |
| 09/11/1979 | US4167725 Dew-sensing hygroscopic element |
| 09/11/1979 | US4167667 Respiratory gas moisture separator system for mass spectrometer monitoring systems |
| 09/11/1979 | US4167467 Clinical procedure for measuring lipoprotein free cholesterols |
| 09/11/1979 | US4167457 Passive electrolytic separator |
| 09/11/1979 | US4167300 Measuring electrode, especially glass electrode |
| 09/06/1979 | WO1979000661A1 Organic compounds of tin as membrane components |
| 09/05/1979 | EP0003842A1 Mass spectrometer and method for the elemental analysis of solids |
| 09/05/1979 | EP0003762A1 Fire detector with a monitor circuit |
| 09/04/1979 | US4166952 Method and apparatus for the elemental analysis of solids |
| 09/04/1979 | US4166775 Electrochemical gas monitoring method |
| 09/04/1979 | US4166766 Method for quantitative assay of alkaline phosphatase isoenzymes in serum |
| 09/04/1979 | US4166455 Apparatus and method for non-invasive detection of strictures in conductive fluid conduits |
| 09/04/1979 | US4166380 Quantitative measuring system for combustible gas with audible tick rate |
| 09/04/1979 | CA1061866A1 Oxygen sensor having protective hood around solid electrolyte tube |
| 08/28/1979 | US4166021 Reference electrode |
| 08/28/1979 | US4166020 Enameled steel body |
| 08/28/1979 | US4166019 Electrochemical oxygen meter |
| 08/28/1979 | US4166009 Measuring emf between element and reference electrode of a molybdate or vanadate, solid aluminate electrolyte |
| 08/28/1979 | CA1061410A1 Test circuit for short across water path |
| 08/28/1979 | CA1061230A1 Method for studying enzymatic and other biochemical reactions |
| 08/23/1979 | WO1979000592A1 Method and apparatus for indicating and eliminating defects on metal slabs |
| 08/21/1979 | US4164868 Capacitive humidity transducer |
| 08/21/1979 | US4164862 Multicomponent thermal conductivity analyzer |
| 08/21/1979 | CA1061017A1 Smoke simulating test apparatus for smoke detectors |
| 08/21/1979 | CA1060970A1 Apparatus and method for improving signal discrimination in an electronic detection system |
| 08/21/1979 | CA1060951A1 Stoichiometric air/fuel ratio exhaust gas sensor |
| 08/14/1979 | US4164699 Thermochemical combustible gas detector |
| 08/14/1979 | US4164539 Catalytic gas detector |
| 08/14/1979 | US4164464 Sample concentrator |
| 08/14/1979 | US4164462 Layer of zirconia |
| 08/14/1979 | CA1060545A1 Method and apparatus for determining boiler water conductivity |
| 08/14/1979 | CA1060544A1 Stoichiometric air/fuel ratio exhaust gas sensor |
| 08/08/1979 | EP0003358A2 Process for the continuous chlorination in the liquid phase of olefins as well as a measuring arrangement to determine and adjust the concentration of chlorine as part of an installation for carrying out the process |
| 08/07/1979 | US4163698 In situ reference electrode for diaphragm cells |
| 08/07/1979 | US4163384 Piezoelectric moisture analyzers |
| 08/07/1979 | US4163383 Breath testing system |
| 08/07/1979 | CA1060097A1 Method and device for detection of fluctuation in air/fuel ratio of air-fuel mixture fed to internal combustion engine |
| 08/07/1979 | CA1059902A1 Diagnostic process |
| 07/31/1979 | US4162631 Rare earth or yttrium, transition metal oxide thermistors |
| 07/31/1979 | CA1059645A1 Selective chemical sensitive fet transducers |
| 07/31/1979 | CA1059596A1 Proportioning moisture sensing device for refrigeration systems |
| 07/31/1979 | CA1059339A1 Method and apparatus for measuring the electrophoretic mobility of suspended particles |
| 07/24/1979 | US4162404 Method and apparatus for surface ionization monitor for particulates |
| 07/24/1979 | US4162211 Combination electrode assembly |
| 07/24/1979 | US4162208 Quantitative protein analysis by immunodiffusion |
| 07/24/1979 | US4161875 Apparatus for measuring the alcohol percentage in the breath of an examinee |
| 07/24/1979 | CA1059214A1 Method and apparatus for measuring the polarizing potential of insulated metal structures |
| 07/24/1979 | CA1058907A1 Apparatus for measuring amount of organic carbon in aqueous solution |
| 07/17/1979 | US4161689 Method and apparatus for repairing protectively lined reactor vessels |
| 07/17/1979 | US4161508 Electromagnet-responsive pipette |
| 07/17/1979 | US4161437 Measuring probe for the polarographic determination of partial gas pressures |
| 07/17/1979 | US4161387 Detection devices especially for the detection of flames |
| 07/17/1979 | CA1058707A1 H2s gas sensor device |
| 07/17/1979 | CA1058706A1 Sensor for detecting variation in oxygen concentration in gas |
| 07/17/1979 | CA1058490A1 Method of making an ion-selective electrode |
| 07/10/1979 | US4160948 Monitoring effects of a liquid on metallic installations |
| 07/10/1979 | US4160946 Device for measuring conductivity of a solution |
| 07/10/1979 | US4160908 Particulate enhancement for generator condition monitors |
| 07/10/1979 | US4160714 Measuring chamber unit |
| 07/10/1979 | US4160702 Electrochemical measurement of fatigue damage |
| 07/10/1979 | US4160374 Apparatus for measuring the diffusive resistance of plant stomata |
| 07/10/1979 | CA1058289A1 Pipeline inspection vehicles |
| 07/10/1979 | CA1057972A1 Densitometer |
| 07/03/1979 | US4160205 Detection of bacterial activity |
| 07/03/1979 | US4159933 Sample concentrator |
| 07/03/1979 | US4159638 Thermistor detector circuit and discriminating network for heat absorptive media |
| 07/03/1979 | CA1057823A1 Method for the noncontacting measurement of the electrical conductivity of a lamella |
| 06/28/1979 | WO1979000369A1 Method and device for measuring or detecting a mechanical change of state or its time derivative |
| 06/27/1979 | EP0002451A1 Method and apparatus for the touch-free measuring of impurities in semiconductors |
| 06/26/1979 | US4159234 Electrochemical |
| 06/26/1979 | CA1057426A1 Ion detector |
| 06/26/1979 | CA1057180A1 Hydrophobic polymeric membrane |
| 06/19/1979 | US4158807 Gapped gate charge-flow transistor with a thin film sensor having two modes of conduction within the gapped gate used to sense a property of the ambient environment |
| 06/19/1979 | US4158775 High resolution threshold photoelectron spectroscopy by electron attachment |
| 06/19/1979 | US4158683 Process for obtaining films and blocks of cellulose acetate particularly for rapid and preparative analytical electrophoresis and for immuno-techniques |
| 06/19/1979 | US4158610 Method and apparatus for determining and controlling amount of carbon deposited on a surface by a gas |
| 06/19/1979 | CA1056956A1 Gas sensing element |
| 06/19/1979 | CA1056915A1 Method and apparatus for testing conductivity using eddy currents |
| 06/19/1979 | CA1056914A1 Multiple-frequency permittivity tester |
| 06/19/1979 | CA1056913A1 Humidity measuring device for founder's sand and process for determining the optimum humidity degree for moulding |
| 06/13/1979 | EP0002375A1 Oxygen sensor for use in engine fuel control systems |
| 06/13/1979 | EP0002343A1 A chemical-sensitive field-effect transistor, method of manufacture, and use in a probe and an instrument |
| 06/12/1979 | US4158166 Combustibles analyzer |
| 06/12/1979 | US4157948 Automobile exhaust systems |