| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 08/19/1980 | US4218197 Combined peristaltic pump and valve flow controller |
| 08/19/1980 | CA1083996A1 Method for the separation of isotope compounds |
| 08/12/1980 | US4217623 Humidity sensor of capacitance change type |
| 08/12/1980 | US4217548 Flaw detector for pipe employing magnets located outside the pipe and detector mounted inside and movable along the pipe with the magnets |
| 08/12/1980 | US4217494 Isotope separation with improved selective ionization |
| 08/12/1980 | US4217196 Dish-electrode concentration meter with detachable transducer |
| 08/12/1980 | US4217195 Electrophoretic electrode for use in laser doppler shift spectroscopy, and method |
| 08/12/1980 | US4217194 Instrument for polarographic potentiometric, thermal and like measurements and a method of making the same |
| 08/12/1980 | US4217193 Method and apparatus for isoelectric focusing without use of carrier ampholytes |
| 08/12/1980 | US4217180 Method of determining susceptibility of alloys to stress corrosion cracking |
| 08/12/1980 | US4217179 Solid electrolyte of spodumene |
| 08/12/1980 | US4216671 Automatic cleaning of sensing probes |
| 08/12/1980 | CA1083690A1 Input control system |
| 08/07/1980 | WO1980001610A1 A method of detecting oxygen and an oxygen sensor therefor |
| 08/06/1980 | EP0014195A1 Method for testing non magnetizable drill collars |
| 08/06/1980 | EP0014092A1 Exhaust gas sensor having two titania ceramic elements |
| 08/06/1980 | EP0014091A1 Ceramic sensor element |
| 08/06/1980 | EP0014090A1 Exhaust gas sensor |
| 08/06/1980 | EP0014089A1 Exhaust gas sensor |
| 08/06/1980 | EP0014088A1 Exhaust gas sensor |
| 08/06/1980 | EP0014087A1 Exhaust gas sensor |
| 08/05/1980 | US4216425 Apparatus and method for detecting a substance in a fluid medium |
| 08/05/1980 | US4216069 Detector for trace lead in gasolines |
| 08/05/1980 | US4216068 Ion sensitive electrode and cells for use therewith |
| 08/05/1980 | US4216065 Bio-selective electrode probes using tissue slices |
| 08/05/1980 | US4216064 Method of assessment of the effect of current periodical polarity inversion in electrochemical processes |
| 08/05/1980 | CA1083220A1 Electrochemical gas detector for the detection of gas traces |
| 08/05/1980 | CA1083219A1 Reliable dynamoelectric machine condition monitor |
| 07/29/1980 | US4215310 Magnetic testing method and apparatus having provision for eliminating inaccuracies caused by gaps between probe and test piece |
| 07/29/1980 | US4215091 Calibrated precision tube with pressure transmitter |
| 07/29/1980 | US4215090 Flame ionization detector |
| 07/29/1980 | US4214981 Steric field-flow fractionation |
| 07/29/1980 | US4214973 Blood serum applicator for use in cataphoretic apparatus |
| 07/29/1980 | US4214968 Ion-selective electrode |
| 07/29/1980 | US4214967 Brazing |
| 07/29/1980 | US4214951 Measuring potential difference between electrodes or current intensity |
| 07/29/1980 | US4214472 Exhaust gas oxygen sensor and electrical connector arrangement |
| 07/29/1980 | CA1082773A1 Disposable sample card with electrodes |
| 07/23/1980 | EP0013611A1 Electrochemical sensing apparatus |
| 07/23/1980 | EP0013528A1 Process for the determination of the concentration of free bases in industrial water and a measuring device used to carry out the process |
| 07/22/1980 | US4214203 Location and effect of adsorbed chemicals on the dielectric substructure of membranes by ultra low frequency spectrometry |
| 07/22/1980 | US4214050 By intermittent immersion in a buffered bactericidal solution |
| 07/22/1980 | US4213841 pH Measuring instrument kit |
| 07/22/1980 | CA1082311A1 Method to generate correlative data from various products of thermal degradation of biological specimens |
| 07/22/1980 | CA1082310A1 Vapor liquid fraction determination |
| 07/22/1980 | CA1082309A1 Haylage/silage moisture tester |
| 07/15/1980 | US4212720 Electrically heated electrochemical sensor construction, particularly to determine oxygen concentration in exhaust gases from combustion engines |
| 07/15/1980 | US4212650 Measuring in electric field the migration of cells treated with lymphocytes incubated in synthetic peptide of high basicity, to determine immunoization status |
| 07/15/1980 | US4212273 Air fuel supply system and oxygen sensor therefor |
| 07/15/1980 | US4212194 Measurement of equilibrium relative humidity |
| 07/15/1980 | CA1081870A1 Ionization smoke detector with controlled sensitivity |
| 07/15/1980 | CA1081867A1 Mass spectrometer beam monitor |
| 07/15/1980 | CA1081785A1 Hydrogen probe with limited active area |
| 07/15/1980 | CA1081784A1 Ion-selective electrode |
| 07/10/1980 | WO1980001417A1 Method of visualization and recording of visible representation of vectorial field on carrier |
| 07/09/1980 | EP0013224A1 Method and apparatus for measuring the resistivity of fluids in a borehole |
| 07/09/1980 | EP0013030A1 Temperature-humidity detecting apparatus |
| 07/09/1980 | EP0013022A1 Humidity detecting apparatus using a humidity detecting resistor ceramic element |
| 07/09/1980 | EP0012945A1 Process for measuring the emission of gaseous inorganic fluorinated or chlorinated compounds |
| 07/08/1980 | US4211746 Flame ionization detector |
| 07/08/1980 | US4211624 Material for producing pyrometric refractory components, pyrometric refractory component, and process for producing same |
| 07/08/1980 | US4211623 Membrane of gold-mercury amalgam, mercurous halide |
| 07/08/1980 | US4211615 Process and a measuring cell for the coulometric determination of the content of a component dissolved in water |
| 07/08/1980 | US4211614 Endpoint drift correction for automatic titrations |
| 07/08/1980 | CA1081343A1 Float detecting device for pressurized slurry transfer apparatus |
| 07/08/1980 | CA1081326A2 Monitoring suspension stability |
| 07/08/1980 | CA1080999A1 Means for collecting gas containing combustible constituents and for adding oxidizing gas |
| 07/01/1980 | US4210894 Terminal unit for electrical circuit elements and sensing device employing said terminal unit |
| 07/01/1980 | US4210510 Gas sensor with closely wound termination springs |
| 07/01/1980 | US4210509 Oxygen sensor |
| 07/01/1980 | US4210508 Electrolytic hygrometer improvement |
| 07/01/1980 | US4210504 Method for measuring the electrophoretic mobility of particles |
| 07/01/1980 | US4210486 Process for determining the effective doping agent content of hydrogen for the production of semiconductors |
| 07/01/1980 | CA1080823A1 Centrifuge apparatus |
| 06/25/1980 | EP0012665A1 Automatic correction circuit for an electrical signal emitted by a differential transducer out of balance |
| 06/25/1980 | EP0012647A1 Electrochemical sensor of concentrations of components in a fluid mixture with an electrode serving as an internal partial pressure reference |
| 06/25/1980 | EP0012415A1 Method and apparatus for the continuous measurement of gas traces |
| 06/25/1980 | EP0012396A1 Apparatus for the spectroscopic determination of the speed of particles moving in a liquid |
| 06/24/1980 | US4209796 Charge-flow transistors having metallization patterns |
| 06/24/1980 | US4209744 Eddy current device for automatically testing the quality of elongated electrically conductive objects by non-destructive techniques |
| 06/24/1980 | US4209693 Surface ionization monitor for particulates and method |
| 06/24/1980 | US4209378 Oxygen sensing element |
| 06/24/1980 | US4209377 Porous sintered electrolyte |
| 06/24/1980 | US4209373 Acidic agar gel electrochromatography of hemoglobins |
| 06/24/1980 | US4209372 Alkaline agarosse gel electrophoresis of hemoglobins |
| 06/24/1980 | US4209299 Method and apparatus for determination of volatile electrolytes |
| 06/24/1980 | US4208993 Method and apparatus for monitoring the operation of an oxygen sensor |
| 06/24/1980 | US4208909 Admittance sensing probe having multiple sensing elements |
| 06/24/1980 | US4208786 Titania thermistor and method of fabricating |
| 06/24/1980 | CA1080306A1 Apparatus for providing regulated direct current to magnetizing coils for non-destructive magnetic testing |
| 06/24/1980 | CA1080305A1 Electrode for an impedance measuring apparatus |
| 06/24/1980 | CA1080123A2 Particulate material for use in the analysis of liquid samples |
| 06/17/1980 | US4208625 Capacitive measuring system with automatic calibration |
| 06/17/1980 | US4208284 Apparatus for distribution separation processes |
| 06/17/1980 | US4208266 Exhaust gas oxygen sensor |
| 06/17/1980 | US4208265 Oxygen sensor element and process of manufacture |
| 06/17/1980 | US4208253 Method for measuring the concentration of sodium in a flow of mercury-sodium amalgam |
| 06/11/1980 | EP0012035A1 Electrochemical sensor for analysis of analytes in liquids |
| 06/11/1980 | EP0012031A1 Method and apparatus for measuring pH |
| 06/10/1980 | US4207520 Multiple frequency digital eddy current inspection system |