Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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09/26/1978 | US4116795 Sensor device |
09/26/1978 | US4116637 Blood serum applicator |
09/26/1978 | US4116565 Electrophoretic analyzer with automatic reference circuit |
09/26/1978 | US4116045 Oil detector |
09/26/1978 | US4116042 Method and apparatus for detecting a constituent in an atmosphere |
09/26/1978 | CA1039358A1 Coulometric detector |
09/26/1978 | CA1039163A1 Urea analysis |
09/19/1978 | US4115235 Apparatus for conveying a gas sample through an analyzer chamber |
09/19/1978 | US4115230 Partial oxygen measurement system |
09/19/1978 | US4115209 Polymeric matrix, conductive substrate |
09/19/1978 | CA1038931A1 Direct-reading moisture meter with temperature compensator |
09/12/1978 | US4114090 Electronic moisture meter |
09/12/1978 | US4114088 Atmospheric ion density measurement |
09/12/1978 | US4113596 Method of measuring the mobility of colloids in an electrical field |
09/12/1978 | US4112744 Apparatus for detecting water in oil |
09/12/1978 | CA1038271A1 Biological testing device |
09/12/1978 | CA1038242A1 Apparatus for non-destructive testing of metal blanks for surface defects |
09/05/1978 | US4112356 Semiconductor gas detector circuit |
09/05/1978 | US4112353 Method for testing dielectric adequacy and for indicating physical defects in a nonconducting material by depositing traces of carbon on the material |
09/05/1978 | US4112352 Electrochemical reference cell with improved liquid junction |
09/05/1978 | US4112302 Gas monitor |
09/05/1978 | US4112297 Interface for use in a combined liquid chromatography - mass spectrometry system |
09/05/1978 | US4111785 Apparatus for preparative electrophoresis |
09/05/1978 | US4111784 Apparatus for electrophoresis |
09/05/1978 | US4111778 Protection assembly and ground for gas constituent sensor |
09/05/1978 | US4111777 Ion-sensitive electrodes |
09/05/1978 | US4111776 Coulometric |
09/05/1978 | US4111658 Catalytic gas detectors |
09/05/1978 | US4111036 Piezoelectric probe for detection and measurement of gaseous pollutants |
09/05/1978 | US4111034 Apparatus for monitoring the solvent content of air |
09/05/1978 | CA1038055A1 Coin arrival sensor using inductive colls |
09/05/1978 | CA1038037A1 Magnetic testing device for detecting defects in elongated objects |
09/05/1978 | CA1038034A1 Measuring cell for determining oxygen concentrations in a gas mixture |
08/29/1978 | US4110688 Method and apparatus for pipe joint locator, counter and displacement calculator |
08/29/1978 | US4110613 Magnetic tape type sensors, method and apparatus using such magnetic tape sensors |
08/29/1978 | US4110236 Nondestructive magnetic recording medium |
08/29/1978 | US4109645 Development of instruments measuring body resistance to ion and ionophoresis applications |
08/29/1978 | US4109510 Fluid measuring apparatus |
08/29/1978 | US4109508 Method of detecting a surface flaw of metallic material |
08/29/1978 | CA1037561A1 System for automatically and continuously measuring zinc and sulfuric acid concentration in circulating electrolyte |
08/22/1978 | US4109201 Measuring bridge for an inspection or checking device by means of eddy currents |
08/22/1978 | US4108004 Self-propelled pipe inspecting apparatus |
08/22/1978 | CA1037120A1 Moisture measurement apparatus |
08/22/1978 | CA1036835A1 Gas sampling analysing system |
08/15/1978 | US4107672 Apparatus and method for detecting cracks in the heat-insulating lining of a container for cold liquids |
08/15/1978 | US4107605 Eddy current flaw detector utilizing plural sets of four planar coils, with the plural sets disposed in a common bridge |
08/15/1978 | US4107599 Electrode for an impedance measuring apparatus |
08/15/1978 | US4107027 Device for continuous electrophoresis in a carrier free buffer current |
08/15/1978 | US4107019 Metal and its oxide as oxygen source and resistive metal as heater - intake or exhaust system |
08/15/1978 | US4107018 Magnesium and/or calcium oxide and conductive catalyst - catalytic exhaust system |
08/15/1978 | US4107017 Measure of protection against electrochemical corrosion |
08/15/1978 | US4107014 Colored proteins |
08/15/1978 | US4106995 Microorganism growth inhibitor device |
08/15/1978 | CA1036538A1 Electric surface area meter |
08/08/1978 | US4105972 Pipeline inspection vehicle for detecting defects in pipeline walls |
08/08/1978 | US4105971 Permeability responsive oscillator for detecting phase transformations at various cooling rates |
08/08/1978 | US4105969 Galvanometer mechanism mounted on printed circuit board having plug portion for insertion into control console receptacle |
08/08/1978 | US4105525 Internal standard electrolyte for ammonia sensor |
08/08/1978 | US4105524 Oxygen concentration sensor for heated gaseous mixture |
08/08/1978 | US4105521 Clinical procedure for measuring lipoprotein cholesterols |
08/08/1978 | US4105509 Combination measuring and reference potential electrode and method of measuring ph in samples subject to large voltage gradients |
08/08/1978 | US4105508 Method and device for analysis of a mixture of hydrochloric acid and organochlorine compounds contained in gases derived in particular from the incineration of organochlorine compounds |
08/08/1978 | US4105507 Method and system for instantaneously determining the oxygen activity in molten metals |
08/01/1978 | US4104619 Smoke detector |
08/01/1978 | US4104579 Method of examination of protective coatings |
08/01/1978 | US4104028 Method of titrating liquor |
07/25/1978 | US4103227 Ion-controlled diode |
07/25/1978 | US4103226 Apparatus for gauging the texture of a conducting surface |
07/25/1978 | US4103224 Micro-wave hygrometer |
07/25/1978 | US4102990 Electrophoretic assay for antigen-antibody reaction based on particle-particle coupling |
07/25/1978 | US4102769 Corrosion probe |
07/25/1978 | US4102648 Activated carbon adsorber, flame ionization detector |
07/18/1978 | USRE29703 Non-invasively measuring arterial oxygen tension |
07/18/1978 | US4101832 Multiprobe eddy current flaw detection device with means to raise and lower the individual probes |
07/18/1978 | US4101828 Corrosion detector |
07/18/1978 | US4101404 Hot gas measuring device |
07/18/1978 | US4101403 Sensor for detecting variation in oxygen concentration in gas |
07/18/1978 | US4101401 Fluid isolation electrophoresis apparatus and method |
07/18/1978 | US4101278 Ionization detector utilizing tritiated scandium with an acceptable tritium emanation rate at high temperature |
07/18/1978 | US4101220 Laser Doppler spectroscopy with smoothened spectra line shapes |
07/11/1978 | US4100442 Electrically driven oscillating capacitor device |
07/11/1978 | US4100088 Ferrofluid, metal flakes |
07/11/1978 | US4100048 Polarographic cell |
07/11/1978 | US4099922 Gas component detection apparatus |
07/11/1978 | US4099406 Device for automatically testing fluid absorption rates of soil |
07/04/1978 | US4099118 Electronic wall stud sensor |
07/04/1978 | US4099117 Method and apparatus for measuring the quality of insulation on a buried pipeline and the quantity of metal oxide present at breaks in the insulation |
07/04/1978 | US4099052 Mass spectrometer beam monitor |
07/04/1978 | US4098653 Oxygen sensor having protective hood and method of using same |
07/04/1978 | US4098651 Continuous measurement of electrolyte parameters in a cell for the electrolysis of a molten charge |
07/04/1978 | US4098650 Measuring ratios of oxygen partial pressures, using electrochemical cell |
07/04/1978 | US4098126 Non-destructive testing of pipeline |
07/04/1978 | US4098112 Steam turbine expansion joint with probe for monitoring molten caustics |
06/27/1978 | US4097921 Method and apparatus for automatically determining the dilution curve of a solution, particularly the oxygen dissociation curve of blood or hemoglobin solutions |
06/27/1978 | US4097795 Elastomer belt impregnated with carbon for testing dielectric adequacy and for indicating physical defects in a nonconducting material |
06/27/1978 | US4097353 Heat and chemical resistance, for use in combustion engines |
06/27/1978 | US4097345 Na5 GdSi4 O 12 and related rare earth sodium ion conductors and electrolytic cells therefrom |
06/27/1978 | US4097153 Method and apparatus for measuring the electrophoretic mobility of suspended particles |
06/27/1978 | US4097149 Quantitative protein analysis by immunodiffusion |
06/27/1978 | US4096825 Apparatus for applying an organic liquid sample |