Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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03/07/1984 | EP0101859A2 Apparatus for preparative gel electrophoresis, in particular for separating mixtures on a gradient gel polyacryl amide column |
03/07/1984 | EP0101687A1 Ion-selective electrode and method for making same |
03/06/1984 | US4435681 Bipolar ionic current probe unit and method for measuring positive and negative current densities by means of the same probe unit |
03/06/1984 | US4435268 Membrane immovable in relation to cathode |
03/06/1984 | US4435074 Cleaning apparatus for electrophotography comprising lubricant film applicator means |
03/06/1984 | US4434659 Two-dimensional scanner apparatus |
03/06/1984 | US4434650 For use in detecting the presence of foreign substances in a liquid |
03/06/1984 | EP0084036A4 Liquid contamination detection method and device. |
02/29/1984 | EP0101669A2 Measuring device using a temperature-compensated piezoelectric resonator |
02/29/1984 | EP0101478A1 Procedure for accomplishing liquid contact at slow liquid flow. |
02/28/1984 | US4434428 Deflection detector for ink jet printing apparatus |
02/28/1984 | US4434249 Anionic and cationic polymers |
02/28/1984 | US4434233 Electroconductibity determinbation on aqueous extract |
02/28/1984 | US4434232 Measuring vessels analysis utilizing fixed enzyme |
02/28/1984 | CA1162987A1 Method and means for detecting magnetic deposits in heat exchanger and the like |
02/22/1984 | EP0101249A2 Gas sensor |
02/22/1984 | EP0101236A2 A potentiometric analysis system and method of using such system to analyse blood |
02/22/1984 | EP0101114A1 An apparatus for detecting deposition of ice or the like |
02/22/1984 | EP0101090A2 Probe without external power source for determining the content of dissociable polar liquids |
02/22/1984 | EP0100988A1 Reference electrode |
02/22/1984 | EP0100814A1 Method and apparatus for measuring total corrosion rate |
02/22/1984 | EP0100813A1 Multielectrode probe and circuitry |
02/22/1984 | EP0100791A1 A novel dropping mercury electrode capable of automatic control |
02/21/1984 | US4433320 Dew sensor |
02/21/1984 | US4433319 Thin film of tantalum oxide with two electrodes |
02/21/1984 | US4433299 Method and apparatus for measuring interfacial electrokinetic phenomena |
02/21/1984 | US4433289 With fluorescent pigment |
02/21/1984 | US4433286 Identification of materials using their complex dielectric response |
02/21/1984 | US4433151 Oxy benzoic acid terminated polyether derivatives of 8-hydroxy quinolines |
02/21/1984 | US4432849 Method and apparatus for separating macromolecules or particles in a liquid solution |
02/21/1984 | US4432366 For use in potentiometric electroanalysis in body fluids |
02/21/1984 | US4432226 Method and apparatus for measuring gaseous oxygen |
02/21/1984 | US4432224 Hydrogen sulfide measuring systems and the like |
02/21/1984 | CA1162608A1 Electrochemical sensors |
02/21/1984 | CA1162517A1 Thermostatic plate for an electrophoresis apparatus |
02/21/1984 | CA1162416A1 Ion analysis method and apparatus |
02/16/1984 | WO1984000612A1 Method for measuring acid or alkali concentration |
02/16/1984 | WO1984000564A1 Control process of the heat treatment of aluminium alloy strip |
02/15/1984 | EP0100667A1 Solid state transcutaneous blood gas sensors |
02/15/1984 | EP0100661A2 Moisture sensor and a process for the production thereof |
02/15/1984 | EP0100525A2 Alignment assembly |
02/15/1984 | EP0100463A1 Electrochemical measuring electrode device for simultaneously measuring the partial pressures of two gasses |
02/14/1984 | US4431962 Capacitor monitoring by single resistor adjustment |
02/14/1984 | US4431961 Turnable electrode |
02/14/1984 | US4431919 Detection apparatus, particularly for use in liquid chromatography |
02/14/1984 | US4431508 With hydrophobic coating |
02/14/1984 | US4431507 Enzyme electrode |
02/14/1984 | US4431506 Apparatus for gel electrophoresis |
02/14/1984 | CA1162242A1 Apparatus for analysis of combustible substances |
02/14/1984 | CA1162241A1 Water purity measurement |
02/08/1984 | EP0100235A2 Liquid transport device |
02/08/1984 | EP0100107A2 Adsorbent fractionator with automatic cycle control and process |
02/08/1984 | EP0100009A1 Device for non destructive measuring of the case hardening depth of a material |
02/07/1984 | US4430615 Reflection type probes for eddy current testing instruments |
02/07/1984 | US4430614 Eddy current bearing ball flaw detector |
02/07/1984 | US4430192 Leads made from platinum powder |
02/07/1984 | US4430164 Fault-compensating electro-analytical measuring process and equipment |
02/07/1984 | US4429996 Process of fractionating electrophoretogram signals |
02/07/1984 | CA1161789A1 Solution cracking through electrophoresis |
02/02/1984 | WO1984000464A1 Method of mounting electronic part |
02/02/1984 | WO1984000419A1 Method for determining the bio- and/or techno-synthetic origins of organic substances and means for the implementation thereof |
02/01/1984 | EP0099810A1 Process for determining the biological and/or techno-synthetic origins of organic substances, and device for carrying it out |
02/01/1984 | EP0099776A1 Ionisation level detector of an electric arc controlled gaseous environment |
02/01/1984 | EP0099591A2 Adsorbent fractionator with automatic cycle control and process |
02/01/1984 | EP0099590A2 Adsorbent fractionator with automatic cycle control and process |
02/01/1984 | EP0099589A2 Adsorbent fractionator with automatic cycle control and process |
01/31/1984 | US4429343 Humidity sensing element |
01/31/1984 | US4429273 Oil-water monitor |
01/31/1984 | US4429272 Apparatus for indicating dielectric constant |
01/31/1984 | US4428909 Environmental condition sensor |
01/31/1984 | US4428817 Sensor cell structure for oxygen-combustibles gas mixture sensor |
01/31/1984 | US4428800 Measurement of gaseous fluoride concentration using an internal reference solution |
01/31/1984 | US4428782 To achieve uniform electroconductivity across width |
01/31/1984 | US4428770 Methods of manufacturing metal from a melt, determination of sulfur and carbon therein, sensors therefor and solid electrolyte compositions for said sensors |
01/31/1984 | CA1161524A1 Closed loop air/fuel ratio control system with oxygen sensor signal compensation |
01/25/1984 | EP0099253A2 Micro electrodes and the production thereof |
01/24/1984 | US4427976 Moisture sensor |
01/24/1984 | US4427945 Molded conductivity cell body |
01/24/1984 | US4427940 Electromagnetic inspecting apparatus for magnetizable wire rope |
01/24/1984 | US4427772 Apparatus having automatic calibration for determining hydrogen peroxide concentration |
01/24/1984 | US4427525 Separation of monitoring and calibration gases |
01/24/1984 | US4427496 Method for improving the inspection of printed circuit boards |
01/24/1984 | US4427483 Microelectrode fabricting apparatus |
01/24/1984 | US4427294 Apparatus for densitometric measurement of proteic fractions separated by electrophoresis |
01/24/1984 | US4426987 Method and apparatus for controlling the composition of the combustible mixture of an engine |
01/24/1984 | CA1161116A1 Electromagnetic noncontacting measuring apparatus |
01/24/1984 | CA1161114A1 Non-destructive testing method and apparatus for spot welds |
01/24/1984 | CA1161113A1 Geophysical surveying method |
01/17/1984 | US4426621 Detection circuitry for electrochemical analysis |
01/17/1984 | US4425918 Membrane retainer arrangement for physiological sensing units |
01/17/1984 | CA1160687A1 Conductivity cell |
01/17/1984 | CA1160686A1 Oxygen concentration detector |
01/17/1984 | CA1160685A1 Oxygen concentration detector |
01/17/1984 | CA1160684A1 Oxygen concentration detector |
01/17/1984 | CA1160683A1 Technique for monitoring so.sub.3, h.sub.2so.sub.4 in exhaust gases containing so.sub.2 |
01/11/1984 | EP0097960A2 Bis-crown-ether derivatives and their use |
01/11/1984 | EP0097827A2 Purity control by measuring electrical conductivity |
01/11/1984 | EP0097770A2 Oxygen gas permselective membrane |
01/10/1984 | US4425545 Eddy current probe calibration standard |
01/10/1984 | US4425296 Probe-holding apparatus for holding a probe for checking steam generator tubes particularly in a nuclear reactor installation |