Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
03/1983
03/15/1983CA1143033A1 Combination temperature and fault sensor
03/15/1983CA1143012A1 Device for monitoring of corrosion
03/15/1983CA1143006A1 Gas sensors
03/08/1983US4376027 Portable electrolytic testing device for metals
03/08/1983US4376026 Oxygen concentration measurement and control
03/08/1983CA1142622A1 Charged non-conductive polar gas sensing element and detection system
03/08/1983CA1142592A1 Thin coat temperature compensated resistance oxide gas sensor
03/08/1983CA1142591A1 Solid electrolyte for electrochemical sensor, and method of its manufacture
03/03/1983WO1983000762A1 Coin presence sensing apparatus
03/03/1983WO1983000739A1 Oxygen sensor
03/02/1983EP0073153A2 Improved solid electrolyte gas sensing apparatus
03/02/1983EP0073017A1 Device for the non-destructive testing of ferromagnetic objects
03/02/1983EP0072892A1 Turbo-molecular pump suited for completion of counterflow leak indication
03/01/1983US4375401 Electrophoresis system
03/01/1983US4375399 Molecule selective sensor for industrial use and procedure for its preparation
03/01/1983US4375170 Decontaminating fluid sensor mechanism
03/01/1983CA1142245A1 Coin testing apparatus
03/01/1983CA1142228A1 Identification of materials using their complex dielectric response
03/01/1983CA1142227A1 Temperature compensation for disposable electrochemical sensors
03/01/1983CA1142225A1 Method and apparatus for electro-chemical measurement
02/1983
02/23/1983EP0072744A2 Chemical sensor
02/23/1983EP0072682A2 Method and apparatus for the detection of anomalies in electrically conducting rotating members
02/23/1983EP0072470A2 Method and apparatus for the magnetic detection of cracks
02/22/1983US4374723 Apparatus for electrophoresis
02/22/1983US4374456 Process for producing a gas detecting element
02/17/1983WO1983000561A1 Method and device for electromagnetic control of mechanical properties of moving ferromagnetic object
02/17/1983WO1983000560A1 Method and device for determination of mechanical properties of article made of ferromagnetic material
02/17/1983WO1983000559A1 Method and device for magnetic control of mechanical properties of moving lengthy ferromagnetic object
02/17/1983WO1983000427A1 Membrane electrode for non-ionic species
02/16/1983EP0072053A2 Basic sediment and water measurement in crude oil streams
02/16/1983EP0072052A2 Basic sediment and water measurement in crude oil streams
02/16/1983EP0071977A2 Apparatus for mapping and identifying an element within a field of elements
02/16/1983EP0071971A1 Electrochemical measuring device
02/15/1983US4374090 Chemical bias agent detection
02/15/1983US4374041 Testing reagent
02/15/1983US4374013 Oxygen stabilized enzyme electrode
02/15/1983US4373392 Sensor control circuit
02/15/1983US4373391 Relative humidity sensitive material
02/15/1983US4373375 Hydrogen sensor
02/15/1983CA1141435A1 Electrode system with a reference electrode deprived of liquid junction, for voltameter measurements
02/15/1983CA1141434A1 Disposable polarographic gas sensor system
02/15/1983CA1141332A1 Electrophoretic gel container
02/15/1983CA1141275A1 Composition, test device and method for determining the ionic strength or specific gravity of a liquid sample
02/15/1983CA1141110A1 Method and apparatus for controlling dissolved solid concentrations
02/09/1983EP0071474A2 Method of measuring an air to fuel ratio
02/09/1983EP0071152A1 Method and apparatus for the determination of urea
02/09/1983EP0071147A1 Non-destructive testing of ferromagnetic materials
02/09/1983EP0071132A2 Measuring device for the analytical determination of a partial gas pressure
02/09/1983EP0071067A1 Combustion control device
02/09/1983EP0070963A1 Electrophoretic apparatus
02/09/1983EP0070959A2 Electrophoretic apparatus
02/09/1983EP0070941A1 Circuit for fire alarm apparatus controlled by gas-sensitive semiconductor sensors with low power consumption
02/08/1983US4372980 Method of operating a pressure fryer
02/08/1983US4372824 Method of manufacturing oxygen sensor
02/08/1983US4372790 Method and apparatus for the control of the carbon level of a gas mixture reacting in a furnace chamber
02/08/1983US4372270 Method and apparatus for controlling the composition of the combustible mixture of an engine
02/08/1983US4372155 Methods of monitoring a combustion system
02/08/1983CA1140833A1 Agarose composition and gel
02/03/1983WO1983000390A1 Liquid contamination detection method and device
02/01/1983CA1140684A1 Double-focussing mass spectrometers
02/01/1983CA1140632A1 Oxygen sensing device
01/1983
01/26/1983EP0070801A1 Method and device for the determination of at least one instantaneous parameter of a fluid by means of heat exchange between a probe immersed in the fluid
01/26/1983EP0070609A1 Control device for a laundry drier
01/26/1983EP0070551A1 Method of manufacturing a gas sensor
01/26/1983EP0070448A1 Electrochemical measuring cell
01/25/1983US4370611 Identification of materials using their complex dielectric response
01/25/1983US4370393 Solid electrolytes
01/25/1983US4370213 Oxygen sensor
01/25/1983US4370206 Method of operating an electrochemical gas measuring system
01/25/1983US4369649 Testing method for determining the magnetic properties of ferromagnetic powders
01/25/1983US4369648 Testing method for determining the magnetic properties of ferromagnetic powders
01/25/1983US4369647 Gas leakage detector
01/25/1983CA1140219A1 Rate of change detection
01/25/1983CA1140212A1 Method of and apparatus for monitoring platelet aggregation and test cell for use in such method apparatus
01/20/1983WO1983000227A1 Method and device for analyzing a fluid by means of a heated probe
01/20/1983WO1983000149A1 New crown ether compounds, process for the preparation of the crown ether complex forming agents and ion-selective membrane electrodes containing the same
01/19/1983EP0070153A1 Examining cells by electrophoresis
01/19/1983EP0070072A2 Measurement of basic sediment and water in crude oil streams
01/19/1983EP0070054A1 Method and apparatus of assessing the dynamic surface potential of a solution
01/19/1983EP0069783A1 Control circuit for a humidity sensor
01/18/1983US4369317 Method of preparing morpholinium phosphates
01/18/1983US4369203 Impregnation with a binder
01/18/1983US4369080 Means for sensing and controlling the amount of starch applied to form corrugated board
01/18/1983CA1139856A1 Ceramic insulator and method for the production thereof
01/18/1983CA1139843A1 Oxygen content exhaust gas sensor, and method of its manufacture
01/18/1983CA1139842A1 Oxygen sensor having consumable shield
01/18/1983CA1139841A2 Electrochemical testing method
01/11/1983US4368480 Multiplexing of chemically responsive FETs
01/11/1983US4368431 Electrochemical measuring device for determining the oxygen content in gases
01/11/1983US4368429 Method and apparatus for suppressing noise during nondestructive eddy current testing
01/11/1983US4368423 Apparatus for determining cell membrane dielectric breakdown
01/11/1983US4368422 Non-destructive testing method and apparatus for spot welds
01/11/1983US4368388 Detection of polar vapors
01/11/1983US4368166 Method for the production of a ceramic insulator
01/11/1983US4368105 Electrolytic solution for Karl Fischer coulometric titration
01/11/1983CA1139370A1 Oxygen sensors
01/11/1983CA1139369A1 Method and apparatus for measuring the resistivity of fluids in a borehole
01/11/1983CA1139304A1 Ampholyte and a method for its manufacture
01/11/1983CA1139262A1 Method and apparatuses for performing immunoassays
01/05/1983EP0068959A2 Explosion measuring method and apparatus with means for reducing uncertainty