Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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03/30/1994 | CN2160157Y Palladium grid field effect transistor |
03/30/1994 | CA2079387A1 Supercritical fluid extractor and ion mobility |
03/29/1994 | US5298865 Connecting circuit for connecting a lambda probe to a control apparatus of an internal combustion engine and test method for said circuit |
03/29/1994 | US5298858 Method and apparatus for non-destructive testing of electrically conductive materials |
03/29/1994 | US5298833 Black electrophoretic particles for an electrophoretic image display |
03/29/1994 | US5298783 Combined semiconductor gas sensor |
03/29/1994 | US5298744 Mass spectrometer |
03/29/1994 | US5298743 Mass spectrometry and mass spectrometer |
03/29/1994 | US5298414 Detection of morphine using morphine dehydrogenase |
03/29/1994 | US5298147 Oxygen concentration sensor |
03/29/1994 | US5298146 Device for the simultaneous detection of dissimilar gas components |
03/29/1994 | US5298145 Signal subtraction apparatus and method |
03/29/1994 | US5298143 Stator, rotor, rotor drive, and electric field generator |
03/29/1994 | US5298140 Reaction apparatus for biochemical examination |
03/29/1994 | US5298139 Drilling, insertion and sealing |
03/29/1994 | US5298135 Production of electrophoretically-homogenous protein-colloidal gold complexes |
03/29/1994 | US5298134 Applying electrical potential to cause sample migrate |
03/29/1994 | US5298132 Swept direct current measurement signal applied to electrode, monitoring response current |
03/29/1994 | US5298131 Applying pretreatment signal then sweep signal to electrode measuring magnitude of volummetric peak current |
03/29/1994 | US5298130 Applying a plating signal in a bath and stripping with a signal |
03/29/1994 | US5298129 Method of selectively monitoring trace constituents in plating baths |
03/29/1994 | US5297419 Linearizing gas analyzer |
03/29/1994 | CA2037507C Stand-on type resistance tester for electrostatic dissipating shoe equipped persons |
03/24/1994 | DE4300362C1 Analytical appts for enzymatic determn of lactate or glucose content of sample esp blood - with inlet and outlet pipes for sample and feed pipe for additional liq |
03/24/1994 | DE4235387C1 Position sensing, non-destructive investigation of magnetic Barkhausen noise - has inductive sensor with two=part ferromagnetic core whose tips are brought together to form gap of size related to dimension of analysed region, and piezo-crystal control member for setting sepn. between sensor and sample |
03/24/1994 | DE4231905A1 Current sensor for measuring ions in gas - receives charge from ions in gas with applied voltage to select ion sign or ion balance measurement |
03/24/1994 | DE4231273A1 Badkontrolle Kupfer-haltiger Metallbehandlungsbäder Bath control copper-containing metal treatment baths |
03/24/1994 | DE4231256A1 Electrochemical oxygen sensor for measuring components of gas mixture - has atmospheric oxygen electrode of metal/metal oxide as reference electrode and electrolyte in housing |
03/23/1994 | EP0588323A2 In-tank electrochemical sensor |
03/23/1994 | EP0588153A1 Gas sensor |
03/23/1994 | EP0587707A1 Time-of-flight mass spectrometer with an aperture enabling tradeoff of transmission efficiency and resolution |
03/23/1994 | EP0587665A1 Electro-analysis of liquids and sensing elements for use therein. |
03/23/1994 | EP0386057B1 Bioelectrochemical reactions in organic solvents |
03/23/1994 | CN2159565Y Diabetometer |
03/23/1994 | CN1084318A Method for prepn. of normal temp. carbon monoxide sensitive component |
03/23/1994 | CN1084273A Oxygen quality automatic testing instrument |
03/22/1994 | US5296836 Gas component detecting element and detector |
03/22/1994 | US5296819 Polymer capacitative moisture sensitive device comprising heating means |
03/22/1994 | US5296816 Integrated circuit sensor and detector and spectrometers incorporating the sensor |
03/22/1994 | US5296806 Method for locating metal studs hidden behind a wall partition by use of particulate magnetic material |
03/22/1994 | US5296704 For investigating a surface of a sample |
03/22/1994 | US5296196 Having porous metal-carrying zeolite layer covering outer electrode to absorb low molecular weight hydrocarbons and pass high molecular weight hydrocarbons to semiconductor |
03/22/1994 | US5296193 Combined titration apparatus |
03/22/1994 | US5296191 Method and apparatus for conducting electrochemiluminescent measurements |
03/22/1994 | US5296125 Electrochemical sensor/detector system and method |
03/22/1994 | US5296124 Method of in-situ formation of a stable reference electrode for in-tank plating bath analysis |
03/22/1994 | US5296123 Having flow damper for controlling liquid flow so liquid entering sensing chamber is free of turbulence |
03/22/1994 | US5296122 Sputtering thin films for electrodes of ion detectors by radiation of targets in a vacuum chamber |
03/22/1994 | US5296116 Capillary electrophoresis using time-varying field strength |
03/22/1994 | US5296115 Method and apparatus for improved detection of ionic species by capillary electrophoresis |
03/22/1994 | US5296114 Electrophoretic separating device and electrophoretic separating method |
03/22/1994 | US5296112 Oxygen monitoring devices |
03/22/1994 | US5295389 Thermal conductivity detector |
03/22/1994 | CA2006325C Rotating eddy current roller head |
03/17/1994 | WO1994006019A1 Calibration solutions useful for analyses of biological fluids and methods employing same |
03/17/1994 | WO1994006007A1 Apparatus and method for detecting coagulation/lysis of liquids |
03/17/1994 | WO1994006005A1 Device for measuring the concentration of ions in solutions |
03/17/1994 | WO1994006004A1 Calibration medium containment system |
03/17/1994 | WO1994006003A1 Capillary reference half-cell |
03/17/1994 | WO1994006002A1 Capacitive sensor and method of measuring changes in capacitance |
03/17/1994 | WO1994006001A1 Cell for resistivity measurement of a strip or elastic fibre sample |
03/17/1994 | WO1994005688A1 4,7-dichlorofluorescein dyes as molecular probes |
03/17/1994 | DE4331018A1 Automatic disease evaluation from protein fraction data - obtd. from electrophoretic analysis of blood and comparison of characteristic parameters with those in intelligent tables |
03/17/1994 | DE4330741A1 Automatic electrophoresis system - has controller for changing analysis conditions and/or data processing algorithm according to sample type |
03/17/1994 | DE4302747C1 Phthalocyanine type gas sensor for trace gas determination - has passivation layer to prevent contamination of sensitive layer |
03/17/1994 | DE4230602A1 Modular electrochemical sensor with enclosed cavity for electrolyte - comprises stack of plastic modules with electrodes defining upper and lower boundaries of cylindrical electrolyte container |
03/17/1994 | CA2143842A1 Apparatus and method for detecting coagulation/lysis of liquids |
03/16/1994 | EP0587408A1 Method for determination of DNA and sensor therefor |
03/16/1994 | EP0587369A2 Apparatus comprising means for mass spectrometry |
03/16/1994 | EP0587281A2 Capillary electrophoresis detection |
03/16/1994 | EP0587156A1 Deactivation of the inner surfaces of capillaries |
03/16/1994 | EP0586982A1 Amperometric measuring system with an electrochemical sensor |
03/16/1994 | EP0586698A1 Method and device for evaluating quantities of adsorbed impurities |
03/16/1994 | EP0586543A1 Microelectrospray method and apparatus |
03/15/1994 | US5294909 Resistive sensor for position detection of manifold failures |
03/15/1994 | US5294891 Method and apparatus for determining the quality of a colloidal suspension |
03/15/1994 | US5294794 Automatic compensation for ion mobility sensor |
03/15/1994 | US5294325 Electrodes |
03/15/1994 | US5294324 Method of preparation miniaturized sensors on basis of fluids and arrangement of the measuring system |
03/15/1994 | US5294323 Apparatus for gel electrophoresis |
03/15/1994 | US5294313 Electrolysis |
03/15/1994 | US5294311 Self-aligning body; cylindrical anchoring tube; determination of electrolytes |
03/15/1994 | US5294280 Gas measuring device and processing apparatus provided with the gas measuring device |
03/15/1994 | US5293924 Manufacture of copper rod |
03/15/1994 | US5293770 Calibration device for use in calibrating a sensor |
03/15/1994 | US5293703 Frame with flexible tensioning strips for stretching a membrane and gel |
03/10/1994 | DE4244723A1 Cuprate mixed oxide(s) |
03/10/1994 | DE4229835A1 Reference electrode for electrochemical sensor - has platinum@ electrode coated with platinum oxide and polyhydantoin layers to function independently of oxygen@ partial pressure. |
03/09/1994 | EP0585864A1 Device for detecting humidity in a moistened air flow |
03/09/1994 | EP0585487A1 Apparatus and process for photoionization and detection |
03/09/1994 | EP0452443B1 Rotary head for scanning metal to be tested |
03/09/1994 | EP0451183B1 Capacitive humidity sensor |
03/08/1994 | US5293186 Contact lens |
03/08/1994 | US5293130 Proportional counter device for detecting electronegative species in an air sample |
03/08/1994 | US5293119 Electromagnetic microscope for evaluation of electrically conductive and magnetic materials |
03/08/1994 | US5293117 Magnetic flaw detector for use with ferromagnetic small diameter tubular goods using a second magnetic field to confine a first magnetic field |
03/08/1994 | US5292801 Doped sol-gel glasses for obtaining chemical interactions |
03/08/1994 | US5292665 Polymerizing with diacrylpiperazine, catalyst comprises dimethylpiperazine with ammonium or potassium persulfate |
03/08/1994 | US5292483 Laser radiation, fluid sample |
03/08/1994 | US5292423 Electrochemical stripping analysis using screen-printed electrodes with metal film deposited thereon |