| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 06/10/1980 | US4207519 Method and apparatus for detecting defects in workpieces using a core-type magnet with magneto-sensitive detectors |
| 06/10/1980 | US4207166 Method and apparatus for electrophoresis |
| 06/10/1980 | US4207162 Detection of hydrazine in water, electrolytic cell, platinum and silver electrodes, gel containing silver oxide |
| 06/10/1980 | US4207161 Polyvinyl chloride or epoxy resin housing, lead anode silver cathode |
| 06/10/1980 | US4207160 Mounting electrode assembly and electrolyte within housing, forming gas-permeable membrane into cap-shape, fitting onto housing |
| 06/10/1980 | US4207159 In the exhaust gas from an automotive internal combustion engine |
| 06/10/1980 | US4207146 Process for testing gases in body fluids for partial pressure and to a testing device therefor |
| 06/10/1980 | US4206647 Titania thermistor and method of fabricating |
| 06/10/1980 | CA1079417A1 Smoke detector |
| 06/10/1980 | CA1079416A1 Heated ion chamber detector for a dynamoelectric machine |
| 06/10/1980 | CA1079359A1 Magnetic testing device for internal surfaces |
| 06/10/1980 | CA1079088A1 Apparatus for measuring the alcohol percentage in the breath of an examinee |
| 06/10/1980 | CA1079085A1 Technique for in situ calibration of a gas detector |
| 06/03/1980 | US4206407 Continuity tester for container linings |
| 06/03/1980 | US4206173 Gas composition sensor |
| 06/03/1980 | US4206027 Multi-probe measuring units and isolation members therefor |
| 05/28/1980 | EP0011530A1 Electrochemical sensor of relative concentrations of reactive substances in a fluid mixture, manufacturing process of the sensor and a system comprising such a sensor, especially for control |
| 05/28/1980 | EP0011382A1 Apparatus and method for monitoring web conductivity |
| 05/28/1980 | EP0011271A1 System for inductively ivestigating or heating electrically conductive materials |
| 05/28/1980 | EP0011213A2 Apparatus for inspecting the walls of a pressure vessel |
| 05/27/1980 | US4205051 Stabilized zirconia for oxygen ion-conductive solid electrolyte |
| 05/27/1980 | US4204929 Permeable membranes difine channels oriented in a first direction |
| 05/27/1980 | US4204917 Method for measuring ion activity |
| 05/27/1980 | US4204767 Automatic cataphoresis apparatus |
| 05/27/1980 | CA1078497A1 Automatic inspection device for steam generator |
| 05/27/1980 | CA1078459A1 Device for detecting unburnt fuel components in a waste gas from a heating installation and the method for operating the device |
| 05/27/1980 | CA1078330A1 Sample concentrator |
| 05/20/1980 | US4204259 Automatic apparatus for continuous determination of boron and lithium concentrations |
| 05/20/1980 | US4204159 Eddy-current test probe with segmented circumferential test gap and method for inspection of materials |
| 05/20/1980 | US4204037 Metabolic production of hydrogen by culturing in an electroanalytical cell, change in potential |
| 05/20/1980 | US4203946 Lower-valence oxide semiconductor material oxidizable to a higher-valence oxide |
| 05/20/1980 | US4203817 Method of and device for moving liquid samples |
| 05/20/1980 | US4203807 On-board detection of antiknock compounds in automotive gasoline |
| 05/20/1980 | US4203726 Thermionic detector |
| 05/20/1980 | US4203199 Solid state sensor |
| 05/20/1980 | CA1078020A1 Technique for protecting sensing electrodes in sulfiding environments |
| 05/20/1980 | CA1078019A1 Gas detecting element |
| 05/14/1980 | EP0011038A1 Electrochemical sensor of relative concentrations of reactive materials in a fluid mixture and system comprising such a sensor, especially for the regulation |
| 05/14/1980 | EP0010823A1 Methods of and apparatus for measuring electrical conductivity |
| 05/14/1980 | EP0010802A1 Potentiometric devices for the detection of a single halide ion species |
| 05/14/1980 | EP0010771A1 Capacitance humidity sensing element |
| 05/13/1980 | US4203156 Titration apparatus with control means |
| 05/13/1980 | US4203087 Absolute humidity sensors and methods of manufacturing humidity sensors |
| 05/13/1980 | US4203069 Method and apparatus for non-destructively testing electrically conductive elongate cylindrical components using an eddy current producing coil with a rotor to concentrate the magnetic field in a selected area |
| 05/13/1980 | US4202749 Probe system for determining acidity of fluid flowing through pressurized pipe line |
| 05/13/1980 | US4202748 Electrochemical measuring cell |
| 05/13/1980 | US4202666 Chromatorgraphy |
| 05/13/1980 | US4202203 Oscillator detector |
| 05/13/1980 | CA1077569A1 Filament for alkali metal ionization detector |
| 05/13/1980 | CA1077566A1 Polarographic membrane apparatus |
| 05/13/1980 | CA1077381A1 Method and apparatus for microcoulometric determination of enzyme activity |
| 05/06/1980 | US4201647 Graphite or carbon black, preactivation by anodic polarization |
| 05/06/1980 | US4201646 Apparatus for stripping voltammetry |
| 05/06/1980 | US4201643 Reducing chloride ion concentration in water, electrolytic cell |
| 05/06/1980 | US4201634 Electrooxiation using a noble metal catalyst conded to a hydrophobic material sensing electrode |
| 05/06/1980 | US4201550 Process and apparatus for the determination of the total organic substance content of gases by a flame ionization detector |
| 05/01/1980 | WO1980000850A1 Method and device for measuring the concentration of an oxidisable substrate in solution by means of an enzymatic reaction |
| 04/30/1980 | EP0010457A1 Device for determining the activity of an ionic analyte of a liquid |
| 04/30/1980 | EP0010374A1 A method of and apparatus for monitoring platelet aggregation and test cell for use in such method and apparatus |
| 04/30/1980 | EP0010136A1 Sensor, especially for the determination of the partial pressure of dissolved gases |
| 04/30/1980 | EP0010091A1 Determination of ldl cholesterol in body fluids |
| 04/29/1980 | US4200834 Combination process sensor |
| 04/29/1980 | US4200608 Detector for fumes of hydrazine and its derivatives |
| 04/29/1980 | US4200512 Electrochemical detection of phosgene in gas mixtures |
| 04/29/1980 | US4200511 Device for electrochemically measuring the concentration of oxygen in combustion gases |
| 04/29/1980 | US4200493 Potentiometers |
| 04/29/1980 | CA1076717A1 Ionization chamber assembly |
| 04/29/1980 | CA1076681A1 Flame sensing apparatus employing a detection electrode |
| 04/22/1980 | US4199428 Sample feeder for use in automatic electrophoresis system |
| 04/22/1980 | US4199425 Protective coating containing rhodium on electrode |
| 04/22/1980 | US4199424 Protective shield for sensing means |
| 04/22/1980 | US4199423 Oxygen responsive |
| 04/22/1980 | US4199412 Halide ion-selective devices and method |
| 04/22/1980 | US4199411 Halide ion-selective devices and methods of determining halides |
| 04/22/1980 | US4199323 Ion exchanging, monitoring electroconductivity |
| 04/22/1980 | US4198939 Method of controlling the air-fuel ratio of an engine air-fuel mixture and a system for executing the method |
| 04/22/1980 | US4198851 Method and structure for detecting the concentration of oxygen in a substance |
| 04/22/1980 | US4198850 Gas sensors |
| 04/22/1980 | CA1076269A1 Ionization detector |
| 04/22/1980 | CA1076206A1 Combination electrode system and method for making same |
| 04/16/1980 | EP0010035A1 Method and device to detect contaminants floating on a body of water |
| 04/16/1980 | EP0009825A1 Humidity variation detecting apparatus |
| 04/16/1980 | EP0009575A1 Device for inspecting heat exchanger tubes |
| 04/16/1980 | EP0009501A1 Organic compounds of tin as membrane components |
| 04/15/1980 | US4198284 Electrophoretic apparatus |
| 04/15/1980 | US4198281 Solvator plug |
| 04/15/1980 | US4198280 Membrane support structure for electrochemical sensing probe |
| 04/15/1980 | US4198279 Oxygen sensor mounting structure |
| 04/15/1980 | US4197853 Electrolytic cells, measuring oxygen and carbon dioxide partial pressure |
| 04/15/1980 | US4197852 Catheter electrode for electrochemical analysis |
| 04/08/1980 | US4197362 Interconnector material for series-connected electrolytic cells operated at high temperatures |
| 04/08/1980 | US4197177 Apparatus for analysis of nitrogen oxides |
| 04/08/1980 | US4197176 Apparatus for measuring surface characteristics of metals and metalloids |
| 04/08/1980 | US4197089 Reducing gas sensor |
| 04/08/1980 | US4196624 Probe assembly |
| 04/08/1980 | CA1075164A1 Adsorption columns for use in radioimmunoassays |
| 04/03/1980 | WO1980000615A1 Process and installation for the continuous preparative separation of molecules and similar particules |
| 04/02/1980 | EP0009430A1 Aqueous gels of agarose, compositions constituted by these gels and tube containing them, and applications of these gels |
| 04/01/1980 | US4196427 Method and apparatus for measuring low concentrations of chlorine and chlorine oxide |
| 04/01/1980 | US4196385 Method and apparatus for measuring the concentration of fluids |