Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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10/20/1987 | US4701252 Dissolved gas and ion measuring electrode system |
10/20/1987 | US4700709 Apparatus and method for determining ammonium ion concentration and total ammonia concentration in fluids or tissue |
10/20/1987 | US4700584 Manipulator usable for a glass electrode or the like |
10/20/1987 | US4700560 Calibration cell for calibration of gaseous or non-gaseous fluid constituent sensors |
10/20/1987 | CA1228398A1 Apparatus for determining the activity of an ion (pion) in a liquid |
10/15/1987 | DE3711497A1 Oxygen content measuring cell for industrial furnace flue gases - has reference and measuring chambers on opposite sides of solid electrolyte and thermocouples to measure electrolyte temps. in both chambers |
10/14/1987 | EP0241309A2 Measurement of electroactive species in solution |
10/14/1987 | EP0241013A2 Apparatus for detecting surface microdefects in a metal workpiece |
10/14/1987 | EP0240729A2 Method of analyzing autoradiograph for determining base sequence of nucleic acid |
10/14/1987 | CN86102281A Sno2-thin film gas-sensitive component |
10/13/1987 | US4700134 Method and apparatus for determining the amount of magnetic debris adhering to the exterior of a tube |
10/13/1987 | US4700069 Mass spectrometer of a quadrupole electrode type comprising a divided electrode |
10/13/1987 | US4699851 Heteropolytungstic and molybdic acids containing carbon; molding; electro-conductivity; fuel cell |
10/13/1987 | US4699806 Method of producing fluoride-sensitive diaphragms |
10/13/1987 | US4699706 Method and apparatus for extraction of species from electrophoresis media |
10/13/1987 | US4699705 Water soluble polymers, crosslinking; modifiers |
10/13/1987 | US4699680 Process and apparatus for manufacturing element for electrophoresis |
10/13/1987 | CA1228134A1 Process and apparatus for detection of electrically conducting material |
10/08/1987 | WO1987006009A1 Capacitive chemical sensor for detecting certain analytes, including hydrocarbons in a liquid medium |
10/08/1987 | WO1987006002A1 Capacitive chemical sensor using an ion exchange surface |
10/08/1987 | DE3709941A1 Exhaust gas system of an internal combustion engine with a lambda probe |
10/08/1987 | DE3625607C1 Method for the continuous detection of dissolved and undissolved impurities in highly pure process liquids |
10/07/1987 | EP0239969A2 Potential-causing membrane for immunosensor |
10/07/1987 | EP0239889A2 Method and apparatus for measuring parameters in suspensions |
10/07/1987 | EP0239771A2 Manufacture of long-lasting oxygen electrodes for electrolysis cells containing a solid electrolyte |
10/07/1987 | EP0239624A1 Field-inversion gel electrophoresis. |
10/07/1987 | EP0239613A1 Piezoelectric device for detection of polynucleotide hybridization. |
10/07/1987 | EP0239569A1 Neurological and biological molecular electro-optical devices and method |
10/07/1987 | CN87102346A Protector for process analyzer system |
10/06/1987 | US4698657 FET type sensor and a method for driving the same |
10/06/1987 | US4698586 Electric particle detector for the detection of fire |
10/06/1987 | US4698209 Device for sensing an oxygen concentration in gaseous body with a source of pump current for an oxygen pump element |
10/06/1987 | US4698142 Free-flow electrophoretic separation method and apparatus therefor |
10/06/1987 | US4697463 Method of and means for testing flow properties of magnetic toners |
10/06/1987 | CA1227846A1 Device for detecting cracks in steel slabs leaving continuous casting |
10/03/1987 | CN86202228U Extractor for looking for mineral deposits by means of geoelectro-chemistry |
10/01/1987 | DE3709516A1 Sauerstoffsensor Oxygen sensor |
09/30/1987 | EP0239552A2 Conductivity detector |
09/30/1987 | EP0239537A2 Method of and apparatus for testing a wire rope |
09/30/1987 | EP0239297A2 Electrochemical sensors |
09/30/1987 | EP0239296A2 Electrochemical sensing of gases |
09/30/1987 | EP0239251A2 Method and apparatus for monitoring electromagnetic emission levels |
09/30/1987 | EP0239218A2 Apparatus for detecting microorganisms |
09/30/1987 | EP0239190A2 Electrochemical cell and method for detecting hydrides and hydride vapors |
09/30/1987 | EP0239106A2 Process for reducing the N0x content in gases, in which NH3 is continuously added to the gas stream |
09/30/1987 | EP0239085A2 Device for micro-movement of objects |
09/30/1987 | EP0238602A1 Electrophoresis method and apparatus for separating particles in a separation medium. |
09/30/1987 | EP0116094B1 Method for measuring acid concentration |
09/29/1987 | US4697165 Ceramic heater and a method of manufacturing the same |
09/29/1987 | US4697134 Apparatus and method for measuring battery condition |
09/29/1987 | US4696958 Electrophoretic technique for separation of lipoproteins and electrophoretic gel for use therein |
09/29/1987 | US4696796 Moisture sensor |
09/29/1987 | US4696337 Apparatus for anticipation of structure of casting alloys and particularly the degree of spheroidization of cast iron |
09/29/1987 | US4696184 Device for measuring the absolute value of the density of salts in atmosphere |
09/29/1987 | US4696183 Method and apparatus of flow analysis |
09/29/1987 | US4696103 Method of making a rotating disk electrode |
09/29/1987 | CA1227539A1 Oxygen sensor |
09/29/1987 | CA1227384A1 Antimony-doped stannic oxide thick film gas sensor |
09/29/1987 | CA1227357A1 Method and apparatus for detecting presence and concentration of vapours in gaseous fluids |
09/24/1987 | WO1987005747A1 Ambient sensing transcucer devices with isolation |
09/24/1987 | WO1987005624A1 Biochemical detector |
09/23/1987 | EP0238278A1 Electrochemical device |
09/23/1987 | EP0238209A2 Magnetic discontinuity detection |
09/23/1987 | EP0238081A1 Thick-film gas-sensitive element |
09/23/1987 | EP0238054A2 Molten metal gas analysis apparatus |
09/23/1987 | EP0238035A2 Electrophoretic display particles and a process for their preparation |
09/23/1987 | EP0237914A2 Method of producing electrochemical gas sensors |
09/23/1987 | EP0237879A2 Locking ring for stretching and fixing a membrane over the measuring surface of a measuring head |
09/23/1987 | EP0237563A1 Apparatus for inspection and/or positioning objects with wave energy using wave guides |
09/23/1987 | EP0237540A1 Electromagnetic inspection probe |
09/22/1987 | US4695724 AC-modulation quadrupole mass spectrometer |
09/22/1987 | US4695548 Gel inserts useful in electrophoresis |
09/22/1987 | US4695432 Nitrides and oxynitrides which can be used as selective detectors of reducing gases in the atmosphere, and detection device containing them |
09/22/1987 | US4695362 Acid or acid salt wash of a metal chloride layer of an ion selective electrode |
09/22/1987 | US4695361 Oxygen sensor |
09/22/1987 | US4695360 Device for electrochemical-etching determination of corrosion resistance of metals |
09/22/1987 | US4695354 Crosslinked polyacrylamide, glycerol |
09/22/1987 | US4694834 Gas sensor |
09/22/1987 | US4694809 Method and system for internal combustion engine oxygen sensor heating control with time smoothing |
09/22/1987 | CA1227247A1 Liquid conductivity measuring circuit |
09/22/1987 | CA1227245A1 Technique for monitoring the oxidation/reduction potential characteristics of a steam environment |
09/22/1987 | CA1227244A1 Method and apparatus for electro-chemical detection |
09/22/1987 | CA1227243A1 Method for the quantitative determination of calcium in biological fluids through direct potentiometry |
09/17/1987 | DE3700256A1 Semiconductor gas sensor |
09/16/1987 | EP0237277A2 Gas sensitive device |
09/16/1987 | EP0237268A2 Method of mass analysing a sample |
09/16/1987 | EP0237259A2 Mass spectrometer |
09/16/1987 | EP0237017A2 Electric-electronic device including polyimide thin film |
09/16/1987 | EP0236875A2 Process for determining the activity of a palladium-tin catalyst |
09/16/1987 | EP0236441A1 In-stream gas sensor |
09/15/1987 | US4694247 Method and apparatus including a cushion of pulverulent magnetic material for stray field magnetic testing of ferromagnetic parts |
09/15/1987 | US4694169 Mass spectrometer |
09/15/1987 | US4694168 Time-of-flight mass spectrometer |
09/15/1987 | US4693953 Method for production of moisture sensitive element |
09/15/1987 | US4693804 Gel migration |
09/15/1987 | US4693790 Method for monitoring the quality of ZnSO4 electrolyte containing Sb (V) |
09/15/1987 | EP0221116A4 Molecular weight determination of proteins. |
09/15/1987 | CA1226901A1 Electromagnetic inspection system for ferromagnetic tubes |
09/15/1987 | CA1226899A1 Electrochemical measuring cell |
09/15/1987 | CA1226898A1 Method and apparatus for measuring soil salinity |