| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 06/28/1989 | EP0321558A1 L-glutamine sensor |
| 06/28/1989 | EP0321533A1 New membrane with selective field effect on metallic or organometallic ions and process for applying this membrane to the transistor |
| 06/28/1989 | CN2040250U Magnetic-metal detector |
| 06/28/1989 | CN2040249U Foundation bed for ion or biological detecting probe |
| 06/28/1989 | CN1004650B Method of making gas-sensitive gold-film element used in mercury determination apparatus |
| 06/27/1989 | US4843327 Branched sensor system |
| 06/27/1989 | US4843325 Complementary sensing device for minimizing the effects of common mode voltages |
| 06/27/1989 | US4843320 Transient electromagnetic method for detecting corrosion on conductive containers |
| 06/27/1989 | US4843319 Transient electromagnetic method for detecting corrosion on conductive containers having variations in jacket thickness |
| 06/27/1989 | US4843318 Distance compensation in magnetic probe testing systems wherein object to probe spacing is employed as an exponent in excitings probes or processing probe outputs |
| 06/27/1989 | US4843317 Method and apparatus for measuring casing wall thickness using a flux generating coil with radial sensing coils and flux leakage sensing coils |
| 06/27/1989 | US4843305 Spacer-separated liquid leakage sensor |
| 06/27/1989 | US4843158 Probes for cytoplasmic sodium |
| 06/27/1989 | US4843013 Multiple control standard for blood analysis |
| 06/27/1989 | US4842713 Polarographic oxygen sensor, particularly for combustion exhaust gases |
| 06/27/1989 | US4842712 Device for measuring ion activity |
| 06/27/1989 | US4842711 Device for detecting air-fuel ratio of engine |
| 06/27/1989 | US4842709 Electrolytic cell and process for the operation of electrolytic cells, for moisture analyzers |
| 06/27/1989 | US4842701 High efficiency |
| 06/27/1989 | US4842698 (sodium or silver) zirconium arsenate solid electrolyte |
| 06/27/1989 | US4842697 Measurement of change in potential between reference and detection electrodes |
| 06/27/1989 | US4842407 Apparatus for imaging an object on an electrooptical transducer |
| 06/27/1989 | US4841974 Apparatus and method for the examination of a liquid medium |
| 06/27/1989 | US4841934 Oxygen pumping device for control of the air fuel ratio |
| 06/27/1989 | CA1256591A1 Electric-electronic device including polyimide thin film |
| 06/27/1989 | CA1256495A1 Method for electronic detection of a binding reaction |
| 06/27/1989 | CA1256493A1 High purity water calibrating device |
| 06/27/1989 | CA1256358A1 Method of detecting carbon dioxide gas, element for detecting the gas and process for producing the same |
| 06/27/1989 | CA1256300A1 Measuring flow of insulating fluids |
| 06/22/1989 | DE3742051C1 Method for monitoring flue gas desulphurisation plants |
| 06/22/1989 | DE3742014A1 Method of simultaneously determining the content of oxidisable gas constituents and the content of oxygen in gases using a solid electrolyte sensor |
| 06/21/1989 | EP0321199A2 Synthesis of twelve member diazamonocyclic compounds |
| 06/21/1989 | EP0321112A1 Method for detecting corrosion on conductive containers |
| 06/21/1989 | EP0321111A1 Method for detecting corrosion on conductive containers having variations in jacket thickness |
| 06/21/1989 | EP0321110A1 Method for directly detecting corrosion on conductive containers |
| 06/21/1989 | EP0321013A2 A method and apparatus for internal corrosion-inspection of pipes or tubes of a relatively small diameter |
| 06/21/1989 | EP0320947A2 Halogen monitoring apparatus |
| 06/21/1989 | EP0320937A2 Elektrophoresis method |
| 06/21/1989 | EP0320709A1 Process and apparatus for separating materials by electrophoresis |
| 06/21/1989 | CN2039846U Ionic or biological monitor |
| 06/20/1989 | US4841443 Method of and apparatus for automatically reading 5 band arrayal pattern |
| 06/20/1989 | US4841244 Method and apparatus for on-sine monitoring of wear in machinery |
| 06/20/1989 | US4841239 Method and measuring instrument for identifying the diffusion length of the minority charge carriers for non-destructive detection of flaws and impurities in semiconductor crystal bodies |
| 06/20/1989 | US4841230 Device for measuring moisture content in grains |
| 06/20/1989 | US4840913 Oxides of nitrogen detector |
| 06/20/1989 | US4840911 Use of sulfoxides for testing ionization detector system |
| 06/20/1989 | US4840756 Radiation process for preparation of electrophoresis gel material |
| 06/20/1989 | US4840714 Electroblotting technique for transferring specimens from a polyacrylamide electrophoresis or like gel onto a membrane |
| 06/20/1989 | CA1256220A1 Analytical apparatus |
| 06/15/1989 | WO1989005514A1 Counterflow leak detector with high and low sensitivity operating modes |
| 06/14/1989 | EP0320502A1 Method of detecting oxygen partial pressure |
| 06/14/1989 | EP0320469A2 An instrument for the measurement of the "ohms per square" of metalized films |
| 06/14/1989 | EP0320019A2 Method and apparatus for the quantitative analysis of solutions and nuclear water quality control system |
| 06/14/1989 | EP0319873A2 Method and apparatus for single determination blood analysis |
| 06/14/1989 | CN2039423U Miniature intelligent dew point humidometer |
| 06/13/1989 | US4839767 Element and device for detecting internal faults in an insulating gas charged electrical apparatus |
| 06/13/1989 | US4839593 Transient electromagnetic method for directly detecting corrosion on conductive containers |
| 06/13/1989 | US4839592 Operator input responsive system and method for selectively identifying verified object flaws |
| 06/13/1989 | US4839327 Method for the production of ultra-fine gold particles immobilized on a metal oxide |
| 06/13/1989 | US4839231 Agents and procedures for the transfer of proteins and/or nucleic acids onto a supported receptor surface |
| 06/13/1989 | US4839143 Selective ionization of gas constituents using electrolytic reactions |
| 06/13/1989 | US4839020 Gas sensor |
| 06/13/1989 | US4839019 Oxygen sensor |
| 06/13/1989 | US4839018 Air/fuel ratio detector |
| 06/13/1989 | US4839017 Potential-causing membrane for immunosensor |
| 06/13/1989 | US4839016 Curved surface cassette/gel system |
| 06/13/1989 | US4839000 For measuring concentration of substrate in solution; using field effect transistor |
| 06/13/1989 | US4838999 Method for the electrochemical analysis of electrolytic components in a sample liquid |
| 06/13/1989 | CA1255752A1 Bioelectrochemical cell with working electrode of carbon-bearing porous material |
| 06/07/1989 | EP0319198A2 Microenvironmental sensor assemblies |
| 06/07/1989 | EP0318973A2 Sensor arrangement for analysing fluids with not less than two gas sensors, and method for using the sensor arrangement in analysing fluids with not less than two gas sensors |
| 06/07/1989 | EP0318559A1 Analysis of carbohydrates |
| 06/07/1989 | EP0318551A1 Polymers, and their use as gels for electrophoresis. |
| 06/06/1989 | US4837510 Device for suppression and/or separation of signals due to magnetic oxide scales in hot cast billets |
| 06/06/1989 | US4837499 Moisture sensing device |
| 06/06/1989 | US4837440 Method and apparatus for characterization of aerosols |
| 06/06/1989 | US4837435 Tunneling scanning microscope having light source |
| 06/06/1989 | US4837434 Mass spectrometry system and method employing measurement/survey scan strategy |
| 06/06/1989 | US4836908 Calibration electrode for potentiometric analysis |
| 06/06/1989 | US4836907 Potentiometrical and polarographical measurement |
| 06/06/1989 | US4836906 Air-fuel ratio sensor |
| 06/06/1989 | US4836904 Chromium complex |
| 06/06/1989 | CA1255327A1 Process for producing acyloxy aromatic carboxylic acid |
| 06/01/1989 | WO1989004966A1 Automated capillary electrophoresis apparatus |
| 06/01/1989 | WO1989004958A1 Electrochemical electrodes |
| 06/01/1989 | WO1989004864A1 Device for measuring the rate of oxygen consumption by microorganisms in liquid media |
| 05/31/1989 | EP0318289A2 Apparatus and method for detecting tunnel current and electro-chemical reaction |
| 05/31/1989 | EP0318273A2 Integrated temperature control/alignment system for high performance capillary electrophoretic apparatus |
| 05/31/1989 | EP0317871A2 Probe for detecting gases |
| 05/31/1989 | EP0317760A1 Rotating head for tracing the cylindrical surfaces of test pieces |
| 05/31/1989 | CN2038631U Measuring apparatus for electrostatic ion |
| 05/31/1989 | CN2038627U Multifunction microcomputor ph ionometer |
| 05/30/1989 | US4835477 Process for the determination of the hematocrit level of whole blood and apparatus for carrying out the process |
| 05/30/1989 | US4835471 Measuring device with oscillation circuit including an exciting coil and tuned to a specific resonant frequency, for determining content of magnetizable substances in materials |
| 05/30/1989 | US4835470 Magnetizer having a main electromagnet and leakage flux reducing auxiliary electromagnets for magnetographic inspection |
| 05/30/1989 | US4835456 Cryogenic density and mass-flow measurement system |
| 05/30/1989 | US4835009 Solid electrolyte |
| 05/30/1989 | US4834863 Oxygen sensor having a heater |
| 05/30/1989 | US4834862 Ampholyte separation method and apparatus |
| 05/30/1989 | US4834854 Method of making an electrophoresis medium |