| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 06/05/1979 | US4157503 Apparatus and method for testing the thickness of the wall of a moving tube leaving an extruder |
| 06/05/1979 | US4157311 Alumina and an alkali metal carbonate |
| 06/05/1979 | US4157289 Process for preparing slightly soluble silver salt grains |
| 06/05/1979 | US4157288 Polarographic measuring probe with diffusion film membrane |
| 06/05/1979 | US4157283 Sulfide monitoring system and method |
| 06/05/1979 | US4157282 Method for maintaining stoichiometric air/fuel mixtures |
| 06/05/1979 | CA1056032A1 Centralized monitoring system for gas leakage |
| 06/05/1979 | CA1055888A1 Electrophoresis slide mounting means |
| 05/31/1979 | WO1979000306A1 Determination of ldl cholesterol in body fluids |
| 05/31/1979 | WO1979000299A1 Purification of factor viii |
| 05/30/1979 | EP0002152A1 Mass spectrometer |
| 05/29/1979 | US4156840 Thermoelectric metal sorter |
| 05/29/1979 | US4156813 Detector module for gas monitor |
| 05/29/1979 | CA1055429A Inspection apparatus and method for detecting flaws in substantially cylindrical objects |
| 05/22/1979 | USRE30007 Hematocrit measurements by electrical conductivity |
| 05/22/1979 | US4156268 Humidity sensing element and method of manufacture thereof |
| 05/22/1979 | US4156180 Apparatus and method for detecting metabolic activity |
| 05/22/1979 | US4156179 Electrical conductivity indicators and/or methods of using same |
| 05/22/1979 | US4155831 By separation of x and y chromosomes |
| 05/22/1979 | US4155828 Oxygen sensor with a sintered reference source of oxygen |
| 05/22/1979 | US4155827 Determines oxygen content in exhaust gases, particularly of internal combustion engines |
| 05/22/1979 | US4155814 Method and apparatus for galvanostatic and potentiostatic electrochemical investigation of the rate of corrosion processes |
| 05/22/1979 | US4155455 Eddy current and variable reluctance test apparatus for rollers and the like |
| 05/22/1979 | CA1055166A1 Extremely sensitive metallic vapor detection |
| 05/22/1979 | CA1054823A1 Hydrogen adsorption device for detection of hydrogen |
| 05/17/1979 | WO1979000257A1 Identification of materials using their complex dielectric response |
| 05/16/1979 | EP0001919A1 Identification of materials using their complex dielectric response |
| 05/15/1979 | US4155081 Rechargeable battery backup power source for an ionization smoke detector device |
| 05/15/1979 | US4154669 Automatic electrophoresis apparatus |
| 05/15/1979 | US4154668 Three containers formed of non-conducting material |
| 05/15/1979 | US4154664 Exhaust gas of internal combustion engines |
| 05/15/1979 | US4154660 Ion selective electrodes, measuring electrochemical potentials |
| 05/15/1979 | US4154659 Ionic selective electrodes to ionic concentration, determining ion ratio |
| 05/15/1979 | US4154228 Apparatus and method of inserting a microelectrode in body tissue or the like using vibration means |
| 05/15/1979 | US4154087 Microrheoscopic detector for gases |
| 05/08/1979 | US4153875 Eddy-current testing device for metal tubes which are bent at least locally |
| 05/08/1979 | US4153517 Hot char |
| 05/08/1979 | US4153513 Method and apparatus for the continuous determination of the concentration of an enzyme substrate |
| 05/08/1979 | CA1054227A1 Method for evaluating electrode consumption rate |
| 05/08/1979 | CA1054226A1 Ion-selective electrode |
| 05/08/1979 | CA1054224A1 Method for applying electrodes to ceramic electrochemical gas analysers |
| 05/08/1979 | CA1054223A1 apparatus for detecting dissolved hydrogen in a fluid |
| 05/08/1979 | CA1054036A1 Analytical method and apparatus for determination of total nitrogen and/or carbon contents in aqueous systems |
| 05/02/1979 | EP0001611A2 Apparatus and method for detecting substances and for regulating current |
| 05/01/1979 | US4152271 Tracer-containing composition |
| 05/01/1979 | US4152242 Immunodisc electrophoresis |
| 05/01/1979 | US4152235 Ion selective electrode |
| 05/01/1979 | US4152234 Solid closed ended tubular oxygen sensor |
| 05/01/1979 | US4152233 Apparatus for electrochemical gas detection and measurement |
| 05/01/1979 | US4152232 Automobile catalytic exhaust systems |
| 05/01/1979 | US4152215 Apparatus for controlling pH of culture solution for a living organism |
| 05/01/1979 | US4151739 Method for checking gas analysis devices |
| 05/01/1979 | US4151641 Sodium doped alumina ceramics |
| 04/24/1979 | US4151522 Count discriminating fire detection system |
| 04/24/1979 | US4151503 Temperature compensated resistive exhaust gas sensor construction |
| 04/24/1979 | US4151255 PH monitor with automatic buffer standardization |
| 04/24/1979 | US4151254 Strong, hydrophilic disks of polyethylene |
| 04/24/1979 | US4151065 Vertical wicks, multicompartment |
| 04/24/1979 | US4151060 Solid state filter for gas sensors |
| 04/24/1979 | US4151049 Compositions having protein reactive groups, membranes, electrodes coated with such compositions and chemical analysis methods |
| 04/24/1979 | US4150562 Method and means for temperature compensation in exhaust gas sensors |
| 04/24/1979 | US4150495 LEL (lower explosive limit) control with automatic calibration capability |
| 04/18/1979 | EP0001512A1 Gas sensor |
| 04/18/1979 | EP0001511A1 Thermistor and method of fabrication |
| 04/18/1979 | EP0001510A1 Gas sensor |
| 04/18/1979 | EP0001509A1 Variably resistive gas sensor and method of fabrication |
| 04/18/1979 | EP0001508A1 Thermistor and method of fabricating |
| 04/17/1979 | US4150291 Nondestructive tester for fiberglass-aluminum honeycomb structures |
| 04/17/1979 | US4149957 Separation apparatus |
| 04/17/1979 | US4149950 Flow-through ionic test cell |
| 04/17/1979 | US4149949 Electrolyte flow-through type |
| 04/17/1979 | US4149948 Electrochemical cell for detecting hydrogen sulphide in a gaseous mixture |
| 04/17/1979 | US4149938 Electrochemical detection device |
| 04/17/1979 | US4149406 Method and apparatus for determining the time dependency of the length of a fissure in a test specimen during a fracture test |
| 04/17/1979 | CA1052913A1 Analytical apparatus |
| 04/17/1979 | CA1052866A1 Silver, silver chloride electrodes |
| 04/17/1979 | CA1052863A1 Oxygen sensor particularly for use in exhaust system for automotive engines |
| 04/10/1979 | US4149231 Capacitance-to-voltage transformation circuit |
| 04/10/1979 | US4149077 Method for separation and enrichment of lithium isotopes by laser |
| 04/10/1979 | US4148703 Method of electrophoretic purification of enzymes and peptides by means of an adjustable, specialized, geometrically located electrode system |
| 04/10/1979 | US4148612 Method and apparatus for detecting and measuring trace impurities in flowing gases |
| 04/10/1979 | US4148586 Apparatus for galvanic detection of optical absorptions |
| 04/10/1979 | US4148305 Filament of non-precious metal with layer of precious metal on one end |
| 04/10/1979 | US4148211 Sampling system for engine exhaust gas analysis apparatus |
| 04/04/1979 | EP0001226A2 Apparatus for determining the redox potential during the regeneration of contaminated, aqueous sulphuric-acid waste in Pauling apparatuses |
| 04/03/1979 | US4147976 Device for testing and calibrating moisture measuring instrument |
| 04/03/1979 | US4147606 Clinical procedure for measuring lipoprotein triglycerides |
| 04/03/1979 | US4147596 Method and apparatus for monitoring the effectiveness of corrosion inhibition of coolant fluid |
| 04/03/1979 | US4147515 Electro-chemical sensors for gas detection in electron tubes |
| 04/03/1979 | US4147513 Method and apparatus for measuring the O2 content of a gas |
| 04/03/1979 | US4147127 Toner concentration detecting apparatus |
| 04/03/1979 | US4147050 Apparatus for testing a capacitance responsive gaging system |
| 03/27/1979 | US4146887 Exothermic sensor |
| 03/27/1979 | US4146837 Apparatus for detecting and recording surface and internal flaws |
| 03/27/1979 | US4146834 Admittance measuring system for monitoring the condition of materials |
| 03/27/1979 | US4146454 Excitation, mobilizers, initiators |
| 03/27/1979 | US4146437 Method for evaluating a system for electrodeposition of metals |
| 03/27/1979 | US4146436 Determining charge required to dissolve precipitated metals |
| 03/27/1979 | US4145913 Gas detectors |
| 03/27/1979 | CA1051519A1 Arrangement of eddy current scanning coils |