Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
11/1988
11/15/1988US4785239 Method and apparatus for characterizing magnetic coating compositions as well as improving magnetic particle dispersions
11/15/1988US4785177 Kinematic arrangement for the micro-movements of objects
11/15/1988US4784743 Oxygen pump electrodes supplying oxygen ion conduction through the solid electrolyte
11/15/1988US4784738 Apparatus and method for gel casting
11/15/1988US4784736 Functional, photochemically active, and chemically asymmetric membranes by interfacial polymerization of derivatized multifunctional prepolymers
11/15/1988US4784728 Thermocouples, indicators, quantitative analysis
11/15/1988US4784494 Method and apparatus for detecting universal and selectively concentration gradients, and for deflecting a light beam in a controlled fashion
11/15/1988US4784145 Membrane retainer assembly for physiological sensing units
11/15/1988US4783987 System for sustaining and monitoring the oscillation of piezoelectric elements exposed to energy-absorptive media
11/15/1988CA1244884A1 Probe for corrosion testing
11/10/1988DE3713473A1 Liquid-free electrophoresis
11/09/1988EP0290049A2 Apparatus for separation of macromolecules with electrophoresis
11/09/1988EP0289753A2 A process for the manufacture of a responsive membrane for use in chlorine ion selective electrode
11/09/1988EP0289615A1 Surface defect inspection method and surface defect inspection apparatus
11/09/1988CN88212743U Adjustable multi-stage humidity cabinet
11/09/1988CN87103184A Dipole moment meter
11/08/1988US4783496 Shaped bodies of plastic material having high elasticity and high adhesive characteristics
11/08/1988US4783419 Examining cells by electrophoresis
11/08/1988US4783252 Lateral indicator sensor
11/08/1988US4783251 Quantitative analysis of body fluids; ion-selective electrodes
11/08/1988US4783250 Immobilized electrochemical cell devices and methods of manufacture
11/08/1988US4782690 Air/fuel ratio detecting apparatus, and method of detecting normal and abnormal conditions of the sensor
11/03/1988WO1988008543A1 Spurious resonance control for nmr observe coils
11/03/1988WO1988008541A1 Three dimensional binding site array for interfering with an electrical field
11/03/1988WO1988008532A1 Residual analyzer assembly
11/03/1988WO1988008528A1 Added array of molecular chains for interfering with electrical fields
11/03/1988WO1988008461A1 Sintered pellet with biochemically active layer
11/03/1988WO1988008447A1 Amperometric method for the quantitative determination of 1,4-dihydronicotinamide adenine dinucleotide (nadh) in solution
11/03/1988WO1988008446A1 Amperometric method for the quantitative determination of 1,4-dihydronicotinamide adenine dinucleotide (nadh) in solution
11/03/1988DE3644820A1 Device and method of detecting particles
11/02/1988EP0289345A1 Amperometric method for the quantitative determination of 1,4-dihydronicotinamide adenine in solution
11/02/1988EP0289344A1 Amperometric method for the quantitative determination of 1,4-dihydronicotinamide adenine in solution
11/02/1988EP0289286A2 Method for detecting contaminants in a steam power generating system
11/02/1988EP0289269A2 Electrochemical sensor with red blood cell exclusion layer
11/02/1988EP0289257A2 Fluid detection cable with solid stranded dielectric elements
11/02/1988EP0289199A1 Improvements in sensors
11/02/1988EP0289062A2 Method and device for measuring the conductivity of a liquid with check of the transfer resistance between an electrode and the liquid
11/02/1988EP0288724A2 Ion-selective electrode for measuring carbonate concentration
11/02/1988CN88212713U Sampling device for dielectric carrier of paper film in electrophoretic experiment
11/01/1988US4782302 Detector and energy analyzer for energetic-hydrogen in beams and plasmas
11/01/1988US4782282 Capacitive-type seed sensor for a planter monitor
11/01/1988US4782027 Purification
11/01/1988US4781798 Transparent multi-oxygen sensor array and method of using same
11/01/1988US4781469 Detecting proximity or occurrence of change of phase within a fluid
11/01/1988US4781464 Gel scanner
11/01/1988US4781065 Solid-state anemometers and temperature gauges
11/01/1988CA1244087A1 Magnetic inspection device
11/01/1988CA1244086A1 Electrochemical gas sensor
11/01/1988CA1244085A1 Enzyme electrode type sensor for analyte determination
10/1988
10/27/1988EP0261208A4 Ambient sensing transcucer devices with isolation.
10/27/1988DE3708946C1 Process for producing dust-free membrane filters from conventional cellulose derivatives
10/26/1988EP0288099A1 Method and device for measuring the conductivity of a liquid, with which the influence of polarisation is counteracted
10/26/1988EP0287873A2 Process for measuring and exactly localizing the strain in hardened areas of structural elements
10/26/1988EP0287730A1 Method and apparatus for detecting hydrogen-containing hydrogen-positive gases
10/26/1988EP0287625A1 Process for measuring and determining zeta-potential in a laminarly flowing medium for practical purposes
10/26/1988EP0287599A1 Sensor for controlling air circulation valves of motor vehicles.
10/26/1988CN88101718A Method of determining every gas concentration in mixing gas and sensor of measuring thermal conductivity
10/25/1988US4780665 Apparatus and method for controlling sand moisture
10/25/1988US4780284 Gas chromatography
10/25/1988US4780192 Polarographic measuring electrode device
10/25/1988US4780191 L-glutamine sensor
10/25/1988US4780185 Improved electrochemical cells
10/25/1988CA1243745A1 Eddy current flaw detector having rotatable field defining sleeve
10/20/1988WO1988008132A1 Electrochemical analyzer for measuring the concentration of atoms or molecules in a fluid and method of making same
10/20/1988WO1988008131A1 Method of assembly of an o2 assembly
10/20/1988WO1988008130A1 Terminal member for o2 sensor
10/20/1988WO1988008129A1 Seal means for isolated grouned o2 sensor
10/20/1988WO1988008128A1 Heated o2 sensor having isolated ground
10/20/1988WO1988008127A1 Sensor construction
10/20/1988WO1988008045A1 Monolithic solid electrolyte oxygen pump
10/20/1988WO1988007888A1 Combined electrophoresis-electrospray interface and method
10/20/1988DE3711421A1 Test equipment
10/19/1988EP0287513A2 An isoelectric focusing process and a means for carrying out said process
10/19/1988EP0287348A2 In situ monitoring of corrosion rates of polarized or unpolarized metals
10/19/1988EP0287330A2 Chromogenic hemispherands useful for detecting electrolytes
10/19/1988EP0287329A2 Chromogenic cryptahemispherands useful in detecting electrolytes
10/19/1988EP0287054A2 Device for analysing, and measuring module therefor
10/19/1988EP0286757A2 Thin-layer chromatography flame ionization detector for quantitative analysis of chromatographically-separated substances
10/19/1988EP0286753A2 A method and apparatus for the determination of electrochemically active components in a process stream
10/19/1988EP0286712A2 Device for testing of ferromagnetic steel wire cable, in particular of haulage cables for undergroud working
10/19/1988CN88211040U Copper sulfate reference electrode
10/19/1988CN88203648U Capacitor humidity transducer
10/19/1988CN87102703A Quick qualitative analysis method for metallic molybdenum
10/18/1988US4779078 Combustible gas detector
10/18/1988US4778998 Humidity compensation for a photoionization type detector
10/18/1988US4778570 Process for determining the organic halogen content of organic samples
10/18/1988US4777922 For controlling an air/fuel ratio
10/18/1988CA1243419A1 Molecule-based microelectronic devices
10/18/1988CA1243351A1 Oxygen sensor with concentric ceramic heater
10/18/1988CA1243350A1 Determination of silicon in molten metal
10/18/1988CA1243349A1 Method for measuring and adjusting electrochemical potential and/or component content in the process of treating valuable material
10/13/1988DE3809624A1 Process for fabricating a pCO2 electrode
10/13/1988DE3711071A1 Method and device for measuring the ozone content of gas and water
10/13/1988DE3710992A1 Apparatus for controlling and monitoring a physical variable of a liquid, in particular the pH
10/12/1988EP0286307A2 Gas sensor
10/12/1988EP0286118A2 Glucose electrode and method of determining glucose
10/12/1988EP0286084A2 A device for the rapid qualitative or quantitative assay of entities having a biological activity
10/12/1988EP0285833A2 Method for determining the concentrations of gases in a gaseous mixture, and probe for measuring the thermal conductivity
10/12/1988EP0285657A1 Debris detector
10/12/1988EP0285648A1 Thermal conductivity detector assembly
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