Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
08/1993
08/12/1993CA2107368A1 Method and apparatus for discontinuity detection in magnetisable material
08/11/1993EP0555145A2 Electrophoretic medium, gel holder, slab type electrophoretic apparatus and electrophoretic gel cutter
08/11/1993EP0555143A1 Method for preparing polyacrylamide aqueous gel plate for electrophoresis
08/11/1993EP0555119A1 Process for preparing polyacrylamide gel plate for electrophoresis
08/11/1993EP0554958A1 Apparatus and method for pipe or tube inspection
08/11/1993EP0554955A1 Implantable biomedical sensor device, suitable in particular for measuring the concentration of glucose
08/11/1993EP0554427A1 Reference half-cell electrode.
08/11/1993EP0554327A1 A mass spectrometer-based continuous emissions monitoring system for hazardous waste stack gas measurements
08/11/1993EP0428514B1 Process and device for determining oxidable substances contained in the water of an aqueous sample liquid
08/11/1993EP0372030B1 Method for determining biaxial stresses in ferromagnetic materials
08/11/1993CN2140062Y Magnet powder flaw detector
08/11/1993CN1075209A Catalytic micropower flammable gas sensor
08/10/1993US5235526 For measuring electrical magnitudes
08/10/1993US5235275 Magnetic inspection apparatus for thin steel strip having magnetizer and detection coil within a hollow roller rotated by the steel strip
08/10/1993US5235267 Circuit and a method for measuring a quantity influencing the capacitance-voltage characteristic of a capacitive element
08/10/1993US5235238 Electrode-separated piezoelectric crystal oscillator and method for measurement using the electrode-separated piezoelectric crystal oscillator
08/10/1993US5235182 Spectrometer
08/10/1993US5234838 Adding ester which clusters with ammonia, measuring ion current
08/10/1993US5234837 Pseudo-continuous process for interrogating a combustible gas detector
08/10/1993US5234722 Plasma spraying
08/10/1993US5234586 On-line product identification in a chromatography effluent by subtraction
08/10/1993US5234570 Reference electrode with annular junction
08/10/1993US5234569 Air/fuel ratio sensor for an internal combustion engine
08/10/1993US5234568 Apparatus for simultaneous measurement of a plurality of ionic concentrations
08/10/1993US5234567 For electrochemical detection of alkaline gases
08/10/1993US5234566 Sensitivity and selectivity of ion channel biosensor membranes
08/10/1993US5234559 Apparatus for direct blotting and automated electrophoresis, transfer and detection and processes utilizing the apparatus thereof
08/10/1993CA1321270C Ion mobility detector
08/10/1993CA1321249C Conductive resin structure for connecting metal conductors
08/10/1993CA1321129C Multicolor western blot
08/05/1993WO1993015396A1 Arrayed eddy current probe system
08/05/1993WO1993015395A1 Capillary column containing a dynamically cross-linked composition and method of use
08/05/1993WO1993015394A1 Capillary column containing removable separation gel composition and method of use
08/05/1993WO1993015393A1 Reference electrodes
08/05/1993WO1993015392A1 Differential separation assay
08/05/1993WO1993015223A1 Mutation detecting method using photobridging-stabilised double-stranded dna denaturation gradient electrophoresis
08/05/1993CA2128888A1 Reference electrodes
08/05/1993CA2128861A1 Arrayed eddy current probe system
08/05/1993CA2128418A1 Mutation detecting method using photobridging-stabilized double-stranded dna denaturation gradient electrophoresis
08/05/1993CA2128317A1 Differential separation assay
08/04/1993EP0554112A1 Cleaning of sensor surfaces
08/04/1993EP0553452A2 Oxygen sensors based on cuprate mixed oxides
08/04/1993EP0553233A1 Assay technique.
08/04/1993EP0469146A4 On-capillary gap junction for fluorescence detection in capillary electrophoresis
08/04/1993EP0460029A4 Environmental monitoring device and method
08/04/1993EP0423225A4 Biological fluid measuring device
08/04/1993CN1075007A Corrosion monitor and monitoring method based on digital integration
08/04/1993CN1074973A Apparatus and method for remote eddy current and ultrasonic inspection of turbine generator retaining rings
08/03/1993US5233308 Thermal conductivity cell
08/03/1993US5233297 Transient electromagnetic method and apparatus for inspecting conductive objects utilizing sensors that move during inspection
08/03/1993US5233291 Method of and apparatus for measuring electric characteristics of semiconductor wafer
08/03/1993US5232667 Disposable cartridge contains a detector with electrical heater generating signal and monitoring the electrical input; controllers, medical equipment
08/03/1993US5232573 Integral electrophoresis gel form
08/03/1993US5232565 Detecting radiolabelled sample; adjusting speed of sample movement to increase sensitivity
08/03/1993US5231864 Air-fuel ratio detecting device
08/03/1993CA1320848C Thermally switchable katharometer
08/01/1993CA2088002A1 Salt analyzer switchably capable of employing contact and non-contact conductivity probes
08/01/1993CA2060443A1 Trawl cable vibration meter
07/1993
07/29/1993DE4301580A1 Electronic controller for mixed-fuel IC engine - allows for estimated distillation temp. of refined petroleum constituent and proportion of added alcohol in mixt.
07/28/1993EP0552511A1 Method for controlling the PH of an ascorbic acid type developer
07/28/1993EP0552275A1 Moisture and salinity sensor and method of use
07/28/1993EP0552223A1 Use of benzene derivatives as charge transfer mediators.
07/28/1993EP0552208A1 Electrokinetic potential measurement
07/28/1993EP0552206A1 Method for detection of alien matter contents in gases.
07/28/1993EP0291527B1 Quality control systems
07/28/1993CN1021711C Magnetic powder flaw detector for ring parts
07/27/1993US5231358 Capacitive fuel composition sensor with slow oscillator and high speed switch
07/27/1993US5231028 Immobilized enzyme electrodes
07/27/1993US5230832 Galactomannan-agarose binary gel for nucleic acid electrophoresis
07/27/1993US5230786 Silver-chloride reference electrode
07/27/1993US5230783 Electrolytic cell and process for the labeling of proteins and peptides
07/27/1993US5230781 Sequencing near infrared and infrared fluorescence labeled DNA for detecting using laser diodes
07/27/1993CA1320746C Coin validator
07/22/1993WO1993014402A1 Method for determining gas hold-up
07/22/1993WO1993014396A1 Gas sensor and its manufacture
07/22/1993WO1993014395A1 A moisture sensor
07/22/1993WO1993014394A1 Conductivity sensor using energy conservation principle
07/22/1993WO1993014389A1 Method and apparatus for performing and universally detecting capillary isoelectric focusing without mobilization using concentration gradient imaging systems
07/22/1993WO1993014241A1 A method for the acidic conversion treatment of aluminum containing metal
07/22/1993WO1993014224A1 Size-calibration dna fragment mixture and method
07/22/1993WO1993012418A3 Equipment and process for detecting water traces in solid and liquid substances
07/22/1993DE4235181A1 Null force plug connector for Lambda probe - contains contact elements and ceramic plate inserted inside probe's ceramic body half shells before they are joined
07/22/1993DE4201502A1 Electrical eddy current testing - mixing measurement signals at different frequencies in neural network
07/22/1993DE3844821C2 Micromanipulator for raster tunnel microscope
07/22/1993CA2127377A1 A method for the acidic conversion treatment of aluminum containing metal
07/22/1993CA2121145A1 Method for determining gas hold-up
07/22/1993CA2059735A1 Electrode and method for measuring levelling power
07/21/1993EP0551856A1 Probe for a scanning tunneling microscope and method of manufacturing a probe
07/21/1993EP0551769A1 Graphite base solid state polymeric membrane ion-selective electrodes
07/21/1993EP0551722A1 Improvements to ion mobility spectrometers
07/21/1993EP0551525A1 Conductivity measuring cell
07/21/1993EP0551372A1 Epoxy-less low-level moisture measurement system and method
07/21/1993EP0464128B1 A conductivity or capacity cell and a method for producing the same and a probe including such a cell and a method for measuring of relative humidity with such a probe
07/21/1993EP0263875B1 Multiple control standard for blood analysis
07/21/1993CN1074559A Fuse and shell-type gas-sensitive element structure
07/20/1993US5228976 Hydrodynamically modulated hull cell
07/20/1993US5228975 Zirconia glass solid electrolyte provides electrical output signal
07/20/1993US5228974 Electrolytic cell having a hygroscopic Group 1 metal salt; fast response time of signal; signal stability; refrigertion plants
07/20/1993US5228973 Sample diluent for measurement with ion-selective electrodes and method of using the same
07/20/1993US5228972 Apparatus for measuring concentration of test substance in liquid