Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
09/1983
09/14/1983EP0088652A1 Eddy current testing device with electronic balancing means
09/14/1983EP0088592A2 Chemically modified electrodes and their uses
09/14/1983EP0088561A1 Capacitor monitoring circuit
09/14/1983EP0088523A2 Gel electrode for early detection of metal fatigue
09/14/1983EP0088230A2 Method of testing ferromagnetic workpieces
09/14/1983EP0019636B1 Oxygen sensor
09/13/1983US4404524 Ionization detector
09/13/1983US4404420 Combustion detecting element
09/13/1983US4404065 Flow cell for liquid chromatography
09/13/1983CA1153580A1 Liquid conductivity measuring system and sample cards therefor
09/07/1983EP0088069A1 Method of inspecting the surface of steel stock having a temperature above the Curie point
09/07/1983EP0087995A1 Copolymer of acrylamide and polysaccharide resin as electrophoretic gel medium
09/07/1983EP0087626A2 Gas sensor, especially for gases of combustion engines
09/06/1983US4403207 Durable titania exhaust gas sensor
09/06/1983US4403191 Cereal grain moisture content measuring apparatus
09/06/1983US4403186 Surface pressure measurement type magnetic analyzer for paramagnetic gases utilizing a magnetic field generated alternatively between plural pairs of magnetic pole pieces
09/06/1983US4403039 Method and apparatus for analysis of ionic species
09/06/1983US4402904 Method for determining clad integrity of a nuclear fuel rod
09/06/1983US4402820 Oxygen analyzer
09/06/1983US4402606 Optogalvanic intracavity quantitative detector and method for its use
09/06/1983CA1153445A1 Apparatus and method for sensing a substance on a liquid surface
09/01/1983WO1983003007A1 Method and device for determining hydrogen flux
09/01/1983WO1983003006A1 Method for measuring ionic concentration utilizing an ion-sensing electrode
09/01/1983WO1983003005A1 Procedure for accomplishing liquid contact at slow liquid flow
09/01/1983WO1983003004A1 Ion-selective electrode and method for making same
08/1983
08/31/1983EP0087357A2 Fast circuit for calculating the discrete Fourier transformation of a signal particularly intended for a Foucault current control apparatus
08/31/1983EP0087322A1 Methods for the determination of sulphur and carbon in fluids
08/30/1983US4401967 Gas sensor
08/30/1983US4401575 BS And W in crude oil streams
08/30/1983US4401548 Double junction half cells; high speed
08/30/1983US4401538 Ion concentration gradient used to separate amphoteric mixtures
08/30/1983US4401518 Forming pressure-proof seal between electrolyte chamber and layer
08/30/1983US4400949 Frost detector for refrigerating apparatus
08/30/1983CA1152772A2 Liquid conductivity measuring system and sample cards therefor
08/24/1983EP0086415A2 Humidity sensitive device
08/24/1983EP0086342A1 Inspection device, especially for steam generator pipes
08/23/1983US4400260 Shielded, heated electrochemical gas sensor
08/23/1983US4400258 Measuring device for facilitating the electrical measurement of a substance
08/23/1983US4400255 Electrodeposition of electodes onto zirconia solid electrolyte isolated from reference electrode
08/23/1983US4400243 Mixture of silver, cadmium, lead and copper sulfide
08/23/1983US4400242 Electrochemical method of determining oxygen, halothane and nitrous oxide
08/23/1983US4399686 For anaesthetics, substrate coated with silicone glycol copolymer
08/23/1983US4399684 Gas measurement method
08/23/1983CA1152449A1 Method and apparatus for dynamic equilibrium electrophoresis
08/23/1983CA1152430A1 Protein on nitrocellulose sheet support
08/23/1983CA1152415A1 Combustible gas sensor
08/17/1983EP0086158A1 Supply circuit for an eddy current probe
08/17/1983EP0086108A2 Method of measuring lactic acid in a liquid
08/17/1983EP0085979A1 Process for manufacturing self-supporting metallic screens
08/16/1983US4399424 Semiconductor films of tin oxide doped with alumins; hydrogen sulfide
08/16/1983US4399404 Moisture tester with probe
08/16/1983US4399100 Automatic process control system and method for curing polymeric materials
08/16/1983US4399022 Reference electrode for oxygen probe
08/16/1983US4399017 Gas sensor having lead wires extending in insulating and hermetically sealed holder
08/16/1983US4399003 Method and kit for diagnosing a patient's proneness to develop calcium oxalate kidney stones
08/16/1983US4399002 Large organic cation-selective electrodes
08/16/1983US4398980 Method for fabricating a seal between a ceramic and a metal alloy
08/16/1983CA1152156A1 Solid electrolyte oxygen sensor and method of making same
08/16/1983CA1152155A1 Glucose sensor
08/16/1983CA1152023A1 Method of preparative, kohlraush-regulated electrophoresis using polyethylene glycol derivatized trailing ions
08/16/1983CA1151985A1 Apparatus for analysis of absorbed gases
08/10/1983EP0085490A1 Method and apparatus for imaging the interior of a structure
08/10/1983EP0085450A2 A method of thermally protecting an amperometric cell and amperometric probe for carrying out the method
08/10/1983EP0085276A1 Method for the immuno-chemical detection of substances
08/09/1983US4398152 Photoionization detector
08/09/1983US4397957 Potenitometric; ion selective electrode
08/09/1983US4397888 Thick film sensor for hydrogen and carbon monoxide
08/09/1983US4397725 Apparatus for measuring electrochemical activity
08/09/1983US4397714 Chemically sensitive integrated circuit
08/09/1983US4397702 Fabrication of non-conductive charged sensing probe unit
08/09/1983US4397184 Method and apparatus for testing xerographic developer mix
08/09/1983CA1151732A1 Isotropic magnetising system
08/09/1983CA1151731A1 Apparatus and method for casing inspection
08/09/1983CA1151729A1 Oxygen sensor
08/04/1983WO1983002668A1 Gas analyzing techniques
08/03/1983EP0084935A1 Gas detection device
08/03/1983EP0084874A1 Apparatus for determining the hematocrit ratio
08/02/1983USRE31333 Electrochemical reference cell with improved liquid junction
08/02/1983US4396486 Ion selective electrode element
08/02/1983US4396477 Separation of proteins using electrodialysis-isoelectric focusing combination
08/02/1983US4396466 Electroconductivity, oscillation
08/02/1983US4396464 Method for sensing the concentration of glucose in biological fluids
08/02/1983CA1151241A1 Method of and apparatus for examining substances and mixtures of substances
08/02/1983CA1151107A1 Reference elements for ion-selective membrane electrodes
08/02/1983CA1150971A1 Microminiature palladium oxide gas detector and method of making same
07/1983
07/27/1983EP0084405A1 Device for detecting or controlling an interface between two liquids
07/27/1983EP0084036A1 Liquid contamination detection method and device
07/26/1983US4395319 Lean sensor
07/26/1983US4395125 Sample centering system
07/26/1983CA1150770A1 Method and device for the detection of hydrazine
07/20/1983EP0083969A2 Polarographic gas sensors
07/20/1983EP0083968A2 Polarography
07/20/1983EP0083861A2 Electrode and method of producing the same
07/20/1983EP0083818A2 Electrode for realizing contact with a liquid, such as a redox electrode and redox measuring apparatus provided with a suchlike electrode
07/19/1983US4394246 Electrophoresis apparatus with flow control
07/19/1983US4394240 Combined sulfur oxide/oxygen measuring apparatus
07/19/1983US4394239 Electro-chemical sensor for the detection of reducing gases, in particular carbon monoxide, hydrazine and hydrogen in air
07/19/1983US4394238 Hardening with synthetic resin such as an epoxy resin
07/19/1983US4394222 Method for determining the oxygen content in gases, uninfluenced by temperature variations
07/19/1983US4394193 Method and device for the continuous, contactless monitoring of the structure state of cold strip