Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
10/1988
10/12/1988EP0285628A1 Method for determination of total carbonate content especially in biological fluids.
10/12/1988EP0187785B1 Sensor for determinig the oxygen concentration in gases
10/12/1988CN88102294A Dewing sensor
10/12/1988CN87212484U Portable rapid detector for humidity of foundry sand
10/12/1988CN87108035A Model 104 qualitative meter for compatibility of injection medicine
10/12/1988CN87102472A Cigarette moisture meter with integrated circuit stable in performance
10/12/1988CN87102186A Electronic meter for mastitis of milch cow
10/11/1988US4777444 Method and apparatus for testing the integrity of an electrode in a potentiometric measuring electrode system
10/11/1988US4777431 Apparatus for monitoring dielectric changes in polymeric materials
10/11/1988US4777363 Ion mobility spectrometer
10/11/1988US4777132 Assay for salicylate
10/11/1988US4777019 Biosensor
10/11/1988US4776944 Chemical selective sensors utilizing admittance modulated membranes
10/11/1988US4776943 Sensor for probing exhaust gases; detecting electric current
10/11/1988US4776942 Electrochemical sensor
10/11/1988US4776203 Gas monitor circuits
10/11/1988CA1243077A1 Apparatus for continuously monitoring blood gases
10/06/1988WO1988007678A2 Circuit arrangement for evaluating a signal produced by a semiconductor sensor
10/06/1988WO1988007677A1 Ion sensor
10/06/1988WO1988007674A1 Dynamic precious metal assay device
10/06/1988WO1988007406A1 Improvements relating to separation of charged molecules
10/06/1988EP0276305A4 Apparatus and method for measuring battery condition.
10/06/1988DE3709665A1 Method of analysing substances and device for carrying it out
10/05/1988EP0285578A2 Improvement of electrochemical devices for measuring the silicon content of hot metal
10/05/1988EP0285394A2 Electrophoresis device
10/05/1988EP0285093A2 Method and apparatus for determining the repartition of soot in a soot-containing medium
10/05/1988EP0285070A1 Capacitance measuring circuit
10/05/1988EP0284660A1 Apparatus for determining base sequence
10/05/1988EP0126100B1 Method and device to determine wether a limit value, expressed as a percentage of a liquid portion contained in a liquid mixture and having a lower evaporation temperature, has been reached or exceeded
10/04/1988US4775838 Sensor with periodic heating
10/04/1988US4775833 Lodged debris detector for a particle analyzer
10/04/1988US4775831 In-line determination of presence of liquid phase moisture in sealed IC packages
10/04/1988US4775795 Method and apparatus for detecting very small concentrations of gases in a gas mixture
10/04/1988US4775634 Oxidation and measurement chambers
10/04/1988US4775456 Electrochemical gas sensor
10/04/1988US4775003 Laboratory materials and apparatus support and laminar flow thermal transfer device
10/04/1988US4774956 Portable apparatus for the determination of upper gastrointestinal function in terms of pH values and clinical uses thereof
10/04/1988CA1242764A1 Ion-sensitive electrode
10/04/1988CA1242579A1 Capacitive devices for measuring the diameter of a dielectric fibre
09/1988
09/29/1988DE3709143A1 Method and device for the nondestructive testing of ferromagnetic bodies by magnetisation
09/29/1988DE3709019A1 Method and device for carrying out measurements in aggressive media
09/29/1988DE3708454A1 Pruefkopf und verfahren zum fertigen eines solchen pruefkopfes Probe and method for manufacture of such a probe
09/28/1988EP0284518A2 Miniaturized oxygen electrode and miniaturized biosensor and production process thereof
09/28/1988EP0284394A2 Selective high performance electrokinetic separations employing the surface of moving charged colloidal particles
09/28/1988EP0284392A2 Monitoring of foreign object ingestion in engines
09/28/1988EP0283962A2 Method for measuring periodontal pocket gases
09/28/1988CN88100063A Non destructive testing for creep damage of a ferromagnetic workpiece
09/28/1988CN87215012U Automatic interruption constant voltage instrument
09/28/1988CN87107412A Sheet electrode for measuring ion
09/27/1988US4774472 Apparatus for method to test efficiency of air ionizers and method for determining ability of an air ionizer to sustain a potential difference between an isolated object and a reference potential
09/27/1988US4774453 Measuring flow of insulating fluids
09/27/1988US4774129 Gas-sensitive composite material comprising metal and dielectric
09/27/1988US4774029 Conductive polymers and method of preparation thereof
09/27/1988US4773984 Ad-justable, self-locking supports; separation of dna or rna fragments
09/27/1988US4773970 Polymer membrane coated on an electrode
09/27/1988US4773969 Chlorine ion-selective electrode
09/27/1988US4773935 Moisture sensor containing cellulose acetate butyrate
09/27/1988US4773376 Oxygen gas concentration-detecting apparatus and air-fuel ratio-controlling apparatus using same in internal combustion engine
09/27/1988CA1242536A1 Method of operating ion trap detector in ms/ms mode
09/27/1988CA1242504A1 Device for the detection of longitudinal cracking in conveyor belt
09/22/1988WO1988007195A1 Test head and process for its manufacture
09/22/1988WO1988007194A1 Process for cleaning the indicator electrode of a titrator for the determination of water content by the k. fischer method and device for carrying out the process
09/22/1988DE3644819A1 Device and method for quantitatively determining fluorine, chlorine and bromine gases and other strongly oxidising gases
09/21/1988EP0282930A2 Method and device for phase-selective testing and/or measuring of test objects with eddy current techniques.
09/21/1988EP0282780A1 Method for measuring heat transfer coefficient and sensor including heat transfer element and thermal insulation element
09/21/1988EP0282651A2 Sheet type ion measurement electrode
09/21/1988EP0282627A2 Non destructive method for examining flaws in workpieces using the magnetic powder method or the dye penetration method
09/21/1988EP0282522A1 A transducer for determining contaminations in fabrics
09/21/1988EP0162881B1 Introduction of samples into a mass spectrometer
09/21/1988EP0162072B1 Introduction of samples into a mass spectrometer
09/20/1988US4772851 General purpose potentiostatic test system using a multiplexer for test electrode selection
09/20/1988US4772849 Rotating probe head for tube inspection
09/20/1988US4772848 Gas measuring chamber for paramagnetic measuring instruments
09/20/1988US4772794 Apparatus for the detection of airborne low volatility vapors
09/20/1988US4772377 With conductor and dielectric covering potential sensing
09/20/1988US4772376 Internal combustion engines; durability, transient response
09/20/1988US4772375 Antifouling electrochemical gas sensor
09/20/1988US4772373 Vertical slab type electrophoresis apparatus
09/20/1988CA1242272A1 System for testing magnetic head/disk interfaces
09/15/1988DE3806955A1 Glucose-sensitive FET sensor, and method for its fabrication
09/15/1988DE3706847A1 Technique and device for inductively monitoring moving machine components for wear and fracture
09/14/1988EP0282441A2 Method for determining the chemical oxygen demand of water
09/14/1988EP0282349A2 Ion selective sensors
09/14/1988EP0282332A2 Method of detecting bitter or odor substances and apparatus therefor
09/14/1988EP0281966A2 Thermal conductivity detector
09/14/1988EP0281829A2 Adducts of ketonic compounds with the anions of oxygenated acids, process for their preparation, their use and azo ketonic compounds
09/14/1988EP0281780A1 Process and apparatus for the determination of the volumetric composition of a flux of several components
09/14/1988EP0281610A1 Capacitor array sensors tactile and proximity sensing and methods of use thereof
09/14/1988EP0281555A1 Composite electrodes for use in solid electrolyte devices
09/14/1988CN87215247U Log mushroom water content meter
09/13/1988US4771384 Digesting dna, analyzing length, entering data in computer to construct hypothesis
09/13/1988US4771172 Method of increasing the dynamic range and sensitivity of a quadrupole ion trap mass spectrometer operating in the chemical ionization mode
09/13/1988US4771007 Electrical conductivity device for detecting mastitis in dairy cows
09/13/1988US4770762 Electrode with sealing assembly and fill hole cover
09/13/1988US4770761 Bismuth oxide solid electrolyte with electrode coatings
09/13/1988US4770760 Reduction, oxygen pumping and sensing cells, exhaust gases
09/13/1988US4770759 Lithium ion-selective membrane electrode
09/13/1988US4770758 Air/fuel ratio detector
09/13/1988CA1241932A1 Electrophoretic separator
09/07/1988WO1988006730A1 Method and system for determining organic matter in an aqueous solution