Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
10/1990
10/02/1990US4960708 Pressurized packaged reference liquid for blood gas analysis
10/02/1990US4960497 Apparatus and method for minimizing the effect of an electrolyte's dissolved oxygen content in low range oxygen analyzers
10/02/1990US4960496 Atmospheric HCI monitor
10/02/1990US4959965 System for monitoring a liquid entrained in a fluid
09/1990
09/30/1990CA2002482A1 Oxygen sensor having a flat plate element and heater
09/30/1990CA2001883A1 Oxygen sensor having a flat plate element and heater
09/29/1990CA2013205A1 Manipulator for crack detector transducers
09/28/1990CA2013144A1 Inductive signal transmission
09/27/1990DE4001406A1 System for determining humidity of flowable bulk material - has two measurement probes arranged at distance from each other, with measuring plates extending in bulk material direction
09/27/1990DE3909729A1 Variable hybridsonde fuer mess- und pruefzwecke und zum abtasten von oberflaechen in der zerstoerungsfreien werkstoffpruefung, auch in starken allgemeinen magnetischen ueberlagerungs/stoerfeldern Variable hybrid probe for measurements or tests and scan from surface until the nondestructive werkstoffpruefung, even in strong magnetic general overlay / interference fields
09/27/1990DE3908393A1 Sensorelement fuer grenzstromsensoren zur bestimmung des (lambda)-wertes von gasgemischen Sensor element for cross-current sensors for determination of (lambda) value of gas mixtures
09/26/1990EP0389320A1 Apparatus for measuring continuously the substance contents of a granular, powdery or viscous product
09/26/1990EP0388990A2 Method and articles employing ion exchange material
09/26/1990EP0388821A2 Method for testing and/or measuring by means of a fluxgenerating sub-device
09/26/1990EP0388640A2 High speed waveform sampling with a tunneling microscope
09/26/1990EP0388446A1 Paste-like preparation for performance testing and/or cleaning of amperometric sensors
09/26/1990CN2062848U High-voltage apparatus for testing glass-lined equipment
09/26/1990CN2062847U Fluorescent magnetic powder defectoscope for axle of railway rolling stock
09/26/1990CN2062846U Sodium ion concentration tester
09/26/1990CN2062845U Carbon black specific resistance tester
09/26/1990CN2062844U High-resolution electronic gold detector
09/26/1990CN1045662A Production process of humidity sensor element formed with the ceramic of compact texture
09/25/1990US4959138 Measuring probe for the potentiometric determination of ion concentrations
09/25/1990US4959134 Dna sequences
09/25/1990US4959133 Field inversion electroblotting & electroelution
09/25/1990US4959130 Ultramicroelectrode, process for making same and its application
09/25/1990US4959010 Automatically regulated combustion process
09/25/1990US4958611 Air-fuel ratio controller of internal combustion engine
09/25/1990US4958514 Gas sensing element
09/25/1990US4958513 Gas detecting device
09/25/1990CA1274585A1 Method and apparatus for measurement of steam quality
09/25/1990CA1274583A1 Sensor arrangements
09/23/1990CA2012773A1 Method and device for testing an object using magnetic flux
09/22/1990CA2000917A1 Modified cermet fuel electrodes for solid oxide electrochemical cells
09/21/1990WO1990011513A1 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
09/21/1990CA2064913A1 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
09/20/1990WO1990010864A1 Hot flaw detector
09/20/1990WO1990010862A1 SENSOR ELEMENT FOR LIMIT CURRENT SENSORS FOR DETERMINING μ-VALUES OF MIXTURES OF GASES
09/20/1990CA2012474A1 Electrochemical biosensor based on immobilized enzymes and redox polymers
09/19/1990EP0388170A2 Capillary transport zone coated with adhesive
09/19/1990EP0388053A2 Speciation of mycobacteria by pulsed-field gel electrophoresis of chromosomal DNA fragments
09/19/1990EP0388017A2 Salt bridge for analytical chemistry system
09/19/1990EP0388016A2 Liquid degassing system
09/19/1990EP0388014A2 Automatic chemistry analyzer
09/19/1990EP0231231B1 Process for detecting toxic matter in air which enters a cabin or similar enclosure where persons are present
09/19/1990CN2062446U 空气离子闪光测试器 Air ions flash tester
09/19/1990CN2062445U 油水界面传感器 Oil-water interface sensor
09/19/1990CN1045456A Device and method for detecting ionic components in solution
09/18/1990US4958281 Signal processing method for determining base sequence of nucleic acid
09/18/1990US4958130 Evaluation method of corrosion of steel material embedded in concrete
09/18/1990US4958128 Method of examining an inside surface-coated metallic pipe and apparatus
09/18/1990US4957705 Oxygen gas concentration-detecting apparatus
09/18/1990US4957615 Polymer membrane which contains porphyrin
09/18/1990US4957614 Electrochemical detection device
09/18/1990US4957613 Adjustable-height vertical gel slab electrophoresis apparatus
09/18/1990US4957593 Conductive filler and modifiers in polymer matrix
09/18/1990US4957582 Controlling flow of biological fluids to prevent plugging, blood analysis
09/18/1990CA1274299A1 Identification system
09/18/1990CA1274277A1 Circumferentially compensating eddy current probe
09/14/1990WO1990010655A1 Surface functionalized and derivatized conducting polymers and methods for producing same
09/14/1990CA2048692A1 Surface functionalized and derivatized conducting polymers and method for producing same
09/13/1990DE3907556A1 Apparatus and method for raising the selectivity of semiconductor sensors by means of controlled heating temperatures
09/12/1990EP0387041A1 Nitrogen specific detector
09/12/1990EP0387026A2 Biosensor device
09/12/1990EP0386925A1 Capillary zone electrophoresis cell system
09/12/1990EP0386764A2 Platinum alloy electrocatalyst
09/12/1990EP0386763A1 Selective permeable membrane, method of producing and electrode using the same
09/12/1990EP0386679A2 Method of analyzing washings for metal and apparatus
09/12/1990EP0386665A2 Method and apparatus for measuring particles in polydispersive systems, and concentration of particles of monodispersive aerosols
09/12/1990EP0386660A1 Transducer for conductimetry
09/12/1990EP0386353A1 Smell sensing element and smell sensing device
09/12/1990EP0386119A1 Microelectrochemical devices and method of detecting
09/12/1990EP0386006A1 Sensor element for limit sensors for determining the lambda value of gaseous mixtures.
09/12/1990EP0191106B1 Humidity sensor
09/12/1990CN2062048U Electrophoresis device of support with electrode
09/12/1990CN1045296A High temperature ultralow oxygen rapid measuring probe for calcium beta " aluminium monoxide
09/12/1990CN1009578B Slag testing device
09/11/1990US4956149 Biosensor device provided with an agitator
09/11/1990US4956074 Coulometric detector, multilayer plastic casings, seals, pumps
09/11/1990US4956073 Method to make microcavities and its application to an electrochemical sensor
09/11/1990US4956072 Oxygen sensor
09/11/1990US4956065 Dielectrophoresis using a combination of electrodes and the use of feedback controlling system
09/11/1990US4956063 Ozone measuring method
09/11/1990US4956062 Method for concentration determination of lithium ions
09/11/1990US4955235 Apparatus and method for providing a combined ultrasonic and eddy current inspection of a metallic body
09/11/1990CA1273998A1 Circumferentially compensating eddy current probe with alternately polarized transmit coils and receiver coils
09/11/1990CA1273822A1 Water content detecting device for diaper
09/10/1990WO1990010861A1 Method and apparatus for determination of a constituent in a fluid sample
09/10/1990CA2028840A1 Method and apparatus for determination of a constituent in a fluid sample
09/08/1990CA2011679A1 Device and method for detecting ionic components in solution
09/07/1990WO1990010871A1 Assay for and treatment of autoimmune diseases
09/07/1990WO1990010235A1 Method of drug detection
09/07/1990WO1990010223A1 Process for detecting faults in containers made of electrically non-conductive material and device for implementing it
09/07/1990WO1990010212A1 Environmental monitoring device and method
09/07/1990WO1990010190A1 Device for determining the parameters of developing surface cracks
09/07/1990WO1990007708A3 Capacitive humidity sensor
09/07/1990WO1990006520A3 Electrographic process for generating an electrical image signal
09/07/1990CA2049007A1 Assay for and treatment of autoimmune diseases
09/07/1990CA2010879A1 Speciation of mycobacteria by pulsed-field gel electrophoresis of chromosomal dna fragments
09/06/1990DE3906599A1 Compensation element for a measuring device for combustible gases