| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 10/01/1991 | US5053704 Flow imager for conductive materials |
| 10/01/1991 | US5053702 Apparatus for magnetic particle inspection with an adjustable cable for magnetizing inspection areas of variable dimensions |
| 10/01/1991 | US5053343 Ion mobility spectrometer |
| 10/01/1991 | US5053225 Functional organic thin film chemically bonded to biologically active agent |
| 10/01/1991 | US5053116 Device for humidifying gases without changing oxygen content |
| 10/01/1991 | US5053115 Automated neutral marker for capillary electrophoresis |
| 10/01/1991 | US5052361 Method of detecting deterioration of an exhaust gas concentration sensor for an internal combustion engine |
| 10/01/1991 | CA2039528A1 Electrode system for voltametric measurements |
| 10/01/1991 | CA1290016C Miniaturized reference electrodes |
| 10/01/1991 | CA1290015C Sensor with supported liquid membrane |
| 09/30/1991 | CA2036717A1 Back support for a gel plate assembly |
| 09/27/1991 | CA2039012A1 Eddy cument control device and method for metallic tubing |
| 09/26/1991 | DE4009559A1 Mol. wt. determn. from gel permeation chromatograms - calibrated by specimens with known values using nonlinear regression |
| 09/25/1991 | EP0448419A1 Device for measuring the quality of the contact between two electrical conductors |
| 09/25/1991 | EP0448313A2 Retractable member for fluid, optical and electrical communication in capillary zone electrophoresis |
| 09/25/1991 | EP0253826B1 Reinforcement rod, process for detecting mechanical defects in fiber composite building elements |
| 09/25/1991 | EP0180646B1 Composition |
| 09/25/1991 | CN1054831A Device and method for measuring thickness of liner in blast furnace and industrial furnaces |
| 09/24/1991 | WO1991014924A1 Tool wear detector |
| 09/24/1991 | US5051921 Method and apparatus for detecting liquid composition and actual liquid level |
| 09/24/1991 | US5051701 Pyroelectric sensing apparatus substantially independent of noise output caused by mechanical shock or electrical shock |
| 09/24/1991 | US5051696 Surface testing device with reciprocating sensor |
| 09/24/1991 | US5051584 Plasma mass spectrometer |
| 09/24/1991 | US5051379 Coating an inorganic material on a wafer, masking for a beam pattern photoresists |
| 09/24/1991 | US5051240 Volatile component detector with socket for sample receptacle |
| 09/24/1991 | US5051162 Fluorescence detection type electrophoresis apparatus and its supporting vessel |
| 09/24/1991 | US5050434 Capacitive humidity sensor |
| 09/24/1991 | US5050426 Method for determining the reliability of men's contraceptives |
| 09/24/1991 | CA2077535A1 Tool wear detector |
| 09/24/1991 | CA1289508C Manufacturing of a polyparaphenylene film, and uses for film thus made |
| 09/19/1991 | WO1991014179A1 Process for monitoring the quality of milk during milking of animals |
| 09/19/1991 | WO1991014174A1 Oxygen sensor for lambda value determination |
| 09/19/1991 | WO1991013897A1 Multichromophore fluorescent probes |
| 09/19/1991 | WO1991013543A1 Process for monitoring the quality of milk during milking of animals |
| 09/19/1991 | DE4107869A1 Prodn. of electrochemical element - comprises forming electrode on solid electrolyte, applying green ceramic plate to form protective layer and calcining |
| 09/19/1991 | DE4107794A1 Plasma mass spectrometer for trace element analysis - has atmospheric region followed by differential pump region for generation of diffusion plasma |
| 09/19/1991 | DE4025564C1 Impact damage registering appts. for laminated fibre components - uses piezoelectric foil pieces distributed over component and connected to monitor to ascertain changes in capacitative charge |
| 09/19/1991 | DE4018554A1 Photo-curable mixts. for anion-sensitive matrix membrane prodn. - contain monomers, active membrane components, onium salts of Gp=V-Gp=VII as photoinitiators and nitro cpds. as plasticisers |
| 09/19/1991 | DE4008348A1 Measuring concn. for size parameters for aerosol particles - involves charging with positive ions and encasing by moving gas shield |
| 09/19/1991 | DE4007856A1 Sensorelement fuer eine sauerstoffgrenzstromsonde zur bestimmung des (lambda)-wertes von gasgemischen Sensor element for an oxygen probe for determining the limiting current (lambda) value of gas mixtures |
| 09/19/1991 | DE4007471A1 Die for guiding metal lengths for tests - has adjustable damped construction free from vibration with setting read on scale through acrylic prism inside bore |
| 09/18/1991 | EP0447288A1 Amperometric detection cell |
| 09/18/1991 | EP0447158A2 Detector for concealed explosive or narcotic substances |
| 09/18/1991 | EP0446972A2 Device and methods for detecting microorganisms |
| 09/18/1991 | EP0446821A2 Device for testing the degree of moisture of diapers |
| 09/18/1991 | EP0446742A2 Method and apparatus for manufacturing welded electrically-conductive microstructures on probe heads and use thereof |
| 09/18/1991 | EP0446483A2 Catalytic gas sensor |
| 09/18/1991 | EP0316380B1 Electrochemical sensor with solid phase electrolyte |
| 09/18/1991 | CN1054666A Method and sensor electrode system for electrochemical determination of analyte or oxidoreductase as well as use of suitable compounds therefor |
| 09/17/1991 | US5049817 Eddy current probe, incorporating multi-bracelets of different pancake coil diameters, for detecting internal defects in ferromagnetic tubes |
| 09/17/1991 | US5049808 Method of determining the amount of the substances or ions contained in an ionic solution or a non-deionized solution and a one-sidebarrier-covered crystal oscillator used therefor |
| 09/17/1991 | US5049739 Plasma ion source mass spectrometer for trace elements |
| 09/17/1991 | US5049255 Oxygen sensing unit |
| 09/17/1991 | US5049254 Exhaust gas recirculation sensor |
| 09/17/1991 | US5049247 Method for detecting and locating an electrolyte |
| 09/17/1991 | US5048336 Silicon substrate, belt heaters of platinum or nickel, heat resistance insulator films |
| 09/17/1991 | US5048331 Continuous rainwater monitoring system |
| 09/17/1991 | CA1289224C Control system for air cleaner |
| 09/17/1991 | CA1289192C Gap, tram and wear measurement system |
| 09/13/1991 | CA2012030A1 Sample handling system for molecular analyser |
| 09/12/1991 | DE4040333A1 Sensor for measuring electrolytic conductivity of fluid - has measuring electrodes applied to substrate via thin-film technique |
| 09/12/1991 | DE4006974A1 Gel electrophoretic sepn. with temporal or spatial temp. gradients |
| 09/11/1991 | EP0446167A1 Capacitive moisture sensor |
| 09/11/1991 | EP0446080A1 Method and device for elemental analysis of a sample by mass spectrometry coupled to a high frequency induced plasma |
| 09/11/1991 | EP0445983A2 Flaw detection |
| 09/11/1991 | EP0445677A1 Method and apparatus for the determination of water soluble strong acids in air |
| 09/11/1991 | EP0445597A2 Method and device for gaseous fuel cell operation |
| 09/11/1991 | EP0445287A1 Concentration detection element for solute in aqueous solution |
| 09/11/1991 | EP0445260A1 Electrode material, electrode, process for manufacturing the electrode and use of the electrode |
| 09/11/1991 | EP0445249A1 Measurement electrode arrangement for making measurements in liquids |
| 09/11/1991 | EP0445127A1 Process and device for establishing at least one threshold voltage for a lambda closed-loop control. |
| 09/11/1991 | CN2084617U Seman effect mercury measuring instrument in alternative longitudinal magnetic field |
| 09/11/1991 | CN1054488A Paramagnetic gas susceptibility method for magnetoacoustic couple measurement |
| 09/11/1991 | CN1054482A Signal processing method for magnetic-ultrasonic wall thickness measuring apparatus |
| 09/10/1991 | US5047851 Process and device for detecting and evaluating surface cracks in workpieces |
| 09/10/1991 | US5047723 Method for detection of foreign matter contents in gases |
| 09/10/1991 | US5047719 Flexible coil assembly for reflectance-mode nondestructive eddy-current examination |
| 09/10/1991 | US5047717 Method and apparatus for measuring internal mechanical stress of a ferromagnetic body by determining the third harmonic of the induction |
| 09/10/1991 | US5047636 Linear prediction ion cyclotron resonance spectrometry apparatus and method |
| 09/10/1991 | US5047633 Imaging apparatus and method |
| 09/10/1991 | US5047563 Chiral crown ethers |
| 09/10/1991 | US5047519 Chain Terminating Substrates For DNA Sequencing |
| 09/10/1991 | US5047352 Selective chemical detection by energy modulation of sensors |
| 09/10/1991 | US5047322 Use of dry analytical elements to determine analytes |
| 09/10/1991 | US5047214 Smell sensing element and smell sensing device |
| 09/10/1991 | US5047212 Instrument for measurement of the organic carbon content of water |
| 09/10/1991 | US5047137 Blackening-free, separator with aperture; internal combustion engines |
| 09/10/1991 | US5047136 Apparatus for electrophoretic separation of high-molecular DNAs in a gel |
| 09/10/1991 | US5047135 Gel divided into wafers layers |
| 09/10/1991 | US5047134 Buffer gradient and temperature gradient capillary electrophoresis |
| 09/10/1991 | US5047129 Unit for the treatment of electrophoretic strips |
| 09/10/1991 | US5047044 Medical droplet whole blood and like monitoring |
| 09/10/1991 | US5046496 Sensor assembly for measuring analytes in fluids |
| 09/10/1991 | CA1288813C Process for rapidly determining the swelling-clay content of earth formations |
| 09/09/1991 | CA2037031A1 Method and device for gaseous fuel cell operation |
| 09/08/1991 | CA2037682A1 Linear tracking means for locating, speed and lenght measuring in high lenght flexible article |
| 09/06/1991 | CA2037514A1 Method and apparatus for measuring the water soluble strong acids suspended in air |
| 09/05/1991 | WO1991013362A1 Method and apparatus for the determination of dissolved carbon in water |
| 09/05/1991 | WO1991013346A1 On-capillary gap junction for fluorescence detection in capillary electrophoresis |
| 09/05/1991 | WO1991013345A1 Apparatus for treating analytes |