| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 04/26/1989 | EP0313293A2 Method and apparatus for use in biological testing |
| 04/26/1989 | EP0313214A2 Heated solid electrolyte oxygen sensor |
| 04/26/1989 | EP0313161A2 Sensor with immunochemical membrane chemically bound to a semiconductor device |
| 04/26/1989 | EP0312623A1 Dielectric probe, method and apparatus including its use |
| 04/26/1989 | EP0312586A1 Spurious resonance control for nmr observe coils. |
| 04/26/1989 | EP0166768B1 Carrier sleeves for measurement heads |
| 04/26/1989 | CN2036672U Measurement device for polarographic flowing system |
| 04/26/1989 | CN2036671U Non-destructive saccharimetric apparatus for melons and fruits |
| 04/26/1989 | CN2036670U Mortar and concrete humidity measuring apparatus |
| 04/26/1989 | CN2036668U Smoke intensity automatic monitoring apparatus |
| 04/25/1989 | US4825169 Ultrasonic streaming current detector |
| 04/25/1989 | US4825168 Remote conductivity sensor using square wave excitation |
| 04/25/1989 | US4825158 Method of detecting conductive material contained in glass fiber by detecting changes in amplitude and frequency of an oscillator and detecting apparatus therefor |
| 04/25/1989 | US4824768 From a thermally decomposable aluminum carboxylate compound |
| 04/25/1989 | US4824551 Cell for measuring gas levels |
| 04/25/1989 | US4824550 Heated solid electrolyte oxygen sensor and securing element therefor |
| 04/25/1989 | US4824549 Exhaust gas sensor for determining A/F ratio |
| 04/25/1989 | US4824548 Electrochemical gas sensor |
| 04/25/1989 | US4824547 Electrophoretic extraction of proteins from two-dimensional electrophoresis gel spots |
| 04/25/1989 | US4824529 Lipid membrane-based device |
| 04/25/1989 | US4824528 Blend of polymer and a phosphoric acid |
| 04/25/1989 | US4823803 Halitosis detector device |
| 04/25/1989 | US4823556 Electronic ice bank control |
| 04/25/1989 | CA1253205A1 Pure water conductivity sensor |
| 04/25/1989 | CA1253059A1 Test for huntington's disease |
| 04/20/1989 | WO1989003585A1 Mass spectrometer apparatus |
| 04/20/1989 | WO1989003535A1 Magnetometer |
| 04/20/1989 | WO1989003529A1 Electrochemical measurement sensor |
| 04/20/1989 | WO1989003528A1 Seal for single wire o2 sensor |
| 04/20/1989 | WO1989003527A1 An electronic moisture measuring instrument |
| 04/20/1989 | WO1989003512A1 Fluid flow detector |
| 04/20/1989 | WO1987000168A3 Ionophores and ion-selective membranes containing the same |
| 04/20/1989 | DE3733986A1 Means and process for manufacturing biosensors on the basis of an oscillating quartz crystal, and use thereof for determining antigens and affinity ligands |
| 04/19/1989 | EP0312348A2 The use of organotin compounds as anionic ionophores |
| 04/19/1989 | EP0312252A2 Apparatus for handling blot processing |
| 04/19/1989 | EP0312034A2 Method of detecting analyte |
| 04/19/1989 | EP0311964A2 Improvement to combustible gas sensors |
| 04/19/1989 | EP0311939A2 Humidity sensor |
| 04/19/1989 | EP0311768A2 Immunosensor |
| 04/19/1989 | CN2036274U Bar type electric controlled suction inflammable material dececter |
| 04/18/1989 | US4823087 Salimeter |
| 04/18/1989 | US4823082 Signal processing method for an electromagnetic induction test |
| 04/18/1989 | US4823007 DNA sequencing gel reading system and method |
| 04/18/1989 | US4822744 System and method for detecting contaminants in a steam power generating system |
| 04/18/1989 | US4822566 Biological binding system |
| 04/18/1989 | US4822474 Residual analyzer assembly |
| 04/18/1989 | US4822465 Hydrogen sulphide sensor |
| 04/18/1989 | US4822456 Ion measuring apparatus and monitoring system |
| 04/18/1989 | US4822445 Apparatus for processing double face adhesive tape |
| 04/18/1989 | CA1252918A1 Scanning tunneling microscope |
| 04/18/1989 | CA1252701A1 Cuvette |
| 04/13/1989 | DE3832298A1 Method for measuring semiconductor surfaces |
| 04/12/1989 | EP0311439A2 Ozone gas sensor and ozone gas detecting device having ozone gas sensor |
| 04/12/1989 | EP0311377A2 Sensor for measurement of a chemical species susceptible to dehydrogenation |
| 04/12/1989 | EP0311353A2 An air-fuel ratio sensor for an internal combustion engine |
| 04/12/1989 | EP0311092A2 Electrode-less detector |
| 04/12/1989 | EP0310927A2 Electrode arrangement with liquid-metal electrode of controllable surface |
| 04/12/1989 | EP0310888A2 Method for the introduction of ions into the ion trap of an ion cyclotron resonance spectrometer and ion cyclotron resonance spectrometer used in this method |
| 04/12/1989 | EP0310824A2 Method and apparatus for the determination of two different substances in a sample using enzyme electrodes |
| 04/11/1989 | US4821204 Method and device for testing for flaws with the eddy-current principle |
| 04/11/1989 | US4820990 For sensing and quantifying |
| 04/11/1989 | US4820980 Gap, wear and tram measurement system and method for grinding machines |
| 04/11/1989 | US4820645 Testing polyelectrolytes |
| 04/11/1989 | US4820643 Measuring and comparing cyclic voltammetric peaks, optical densities, plating times, coating thicknesses, light transmission |
| 04/11/1989 | US4820398 Electrophoresis gel sheet |
| 04/11/1989 | US4820386 Diffusion-type sensor cell containing sensing and counter electrodes in intimate contact with the same side of a proton-conducting membrane and method of use |
| 04/11/1989 | US4820344 Solution of corrosion and metal inhibitors, aliphatic carboxylic acids, polyglycerols, alcohols, surfactant for smoothening car bodies |
| 04/11/1989 | US4819602 System of abnormality detection for oxygen concentration sensor |
| 04/11/1989 | CA1252512A1 Oxygen sensor |
| 04/11/1989 | CA1252307A1 Flow measuring apparatus with analog, essentially linear output |
| 04/06/1989 | WO1989003115A1 Ntc temperature-sensing device and process for producing ntc temperature-sensing elements |
| 04/06/1989 | WO1989003047A1 Apparatus and methods for measuring permitivity in materials |
| 04/06/1989 | WO1989003033A1 Ptc temperature sensors, process for producing ptc temperature-sensing elements for ptc temperature sensors |
| 04/06/1989 | WO1989003032A1 Reference electrode |
| 04/06/1989 | WO1989002930A1 Method and apparatus for detecting single base mutations in dna with denaturing gradient electrophoresis |
| 04/06/1989 | WO1988009808A3 Receptor-based biosensors |
| 04/05/1989 | EP0310206A2 Electrochemical device |
| 04/05/1989 | EP0310063A2 Sensor for measurement of air/fuel ratio |
| 04/05/1989 | EP0309758A2 Procedure and facility for determination and evaluation of surface cracks on workpieces |
| 04/05/1989 | EP0309553A1 Monolithic solid electrolyte oxygen pump |
| 04/05/1989 | EP0190267B1 Electrophoretic process for the separation of biopolymers |
| 04/05/1989 | CN1032236A Computerized moisture tester |
| 04/05/1989 | CN1003810B Sensing glass for ultra-low-resistance electrode |
| 04/04/1989 | US4819181 Performance increasing signal processing device |
| 04/04/1989 | US4818977 Combustible gas detector having temperature stabilization capability |
| 04/04/1989 | US4818945 Non contacting volt meter |
| 04/04/1989 | US4818936 Method and apparatus for identifying and classifying steels |
| 04/04/1989 | US4818935 Method and apparatus for non-destructively detecting defects in metal materials by using rotating magnetic fields generated by multiphase ac current |
| 04/04/1989 | US4818701 Apparatus for transferring biological specimens from a gel to a transfer membrane and method |
| 04/04/1989 | US4818366 Long life reference electrode |
| 04/04/1989 | US4818365 Cured perfluorocarbon copolymer coated metal/metal oxide; ph measurement |
| 04/04/1989 | US4818364 Terminal member for 02 sensor |
| 04/04/1989 | US4818363 Combustion exhaust gas sensor structure, particularly for automotive engine exhaust gases |
| 04/04/1989 | US4818362 Oxygen concentration sensing apparatus |
| 04/04/1989 | US4818361 Combined pH and dissolved carbon dioxide gas sensor |
| 04/04/1989 | US4818360 Method and apparatus for blotting from electrophoresis gels |
| 04/04/1989 | US4817414 Measuring arrangement for detecting the level of combustible gases mixed with air |
| 03/29/1989 | EP0309360A2 Electrochemical captor, with integrated structure, for measuring relative concentrations of reactive components |
| 03/29/1989 | EP0309334A1 Method for producing microcavities and use in an electrochemical sensor and in a gas chromatograph |
| 03/29/1989 | EP0309303A2 Method and device for manufacturing and handling of a transfer membrane |