| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) | 
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| 09/04/1985 | EP0153830A1 Engine air/fuel ratio sensing device | 
| 09/04/1985 | EP0153783A2 Method for the quantitative determination of calcium in biological fluids through direct potentiometry | 
| 09/04/1985 | EP0153437A1 Electrochemical measuring electrode device and method for transmission of signals therefrom | 
| 09/03/1985 | US4539640 Reconstruction system and methods for impedance imaging | 
| 09/03/1985 | US4539297 Ultraviolet imaging method and apparatus | 
| 09/03/1985 | US4539092 Plasma oxygen permeability meter | 
| 09/03/1985 | US4539086 Oxygen concentration controlling method and system | 
| 09/03/1985 | US4538575 Device for controllably heating oxygen sensor | 
| 09/03/1985 | US4538448 Method and device for determining of explosivity rate of gaseous medium | 
| 09/03/1985 | CA1192820A1 Macromolecule determination by physical development | 
| 08/29/1985 | WO1985003777A1 Method and apparatus for measuring the moisture of seeds in high frequency with multiple corrections | 
| 08/28/1985 | EP0153113A2 Thermospray ion sampling device | 
| 08/28/1985 | EP0153110A2 Capillary transport device having speed and meniscus control means, and method of using | 
| 08/28/1985 | EP0153017A1 An electrophoretic separator | 
| 08/28/1985 | EP0152973A2 Leak detection for basic sediment and water apparatus | 
| 08/28/1985 | EP0152942A2 Device for detecting air-fuel ratio of mixture over wide range from below to above stoichiometric ratio | 
| 08/28/1985 | EP0152940A2 Apparatus and method for detecting an air-fuel ratio | 
| 08/28/1985 | EP0152904A2 Method and device for the testing of, and/or the measuring at electrically conductive test pieces | 
| 08/28/1985 | EP0152786A2 Spot Quantitation | 
| 08/28/1985 | EP0152747A2 Apparatus and method for applying a dissolved sample from a liquid chromatograph to a chemical ionization mass spectrometer | 
| 08/28/1985 | EP0152687A1 Tube inspection apparatus | 
| 08/28/1985 | EP0152636A1 Electrode assembly for measuring the concentration of an electro-chemical active species | 
| 08/28/1985 | EP0152541A1 Electrochemical probe head with screen-printed electrodes | 
| 08/27/1985 | US4538108 Testing arrangement for ferromagnetic bodies including magnetic field detectors extending between two pairs of poles of magnetic field generators spaced longitudinally along the body | 
| 08/27/1985 | US4538107 Cable failure detection system | 
| 08/27/1985 | US4537661 Technique for monitoring the oxidation/reduction potential characteristics of a steam environment | 
| 08/27/1985 | CA1192613A1 Electrochemical determination of orthophosphoric monoester phosphohydrolase activity (ec 3.1.1.1 and ec 3.1.3.2: alkaline and acid phosphatases) | 
| 08/27/1985 | CA1192612A1 Potassium ion-selective membrane electrode | 
| 08/21/1985 | EP0152293A2 Engine air/fuel ratio sensing device | 
| 08/21/1985 | EP0152089A2 Planter monitor system | 
| 08/21/1985 | EP0152066A2 Method and system for testing and/or measuring electrically conductive test objects | 
| 08/21/1985 | EP0151974A2 Spot quantitation | 
| 08/21/1985 | EP0151926A2 Methods for monitoring metal ion concentrations in plating baths | 
| 08/21/1985 | EP0151795A2 Polarographic oxygen sensor | 
| 08/21/1985 | EP0151600A1 Electronic metal detector | 
| 08/20/1985 | US4536713 Electrical resistivity measurement of a flowing drilling fluid using eddy currents generated therein | 
| 08/20/1985 | US4536274 Metal/metal oxide junction electrode, and silver/o silver halide e | 
| 08/20/1985 | US4536241 Method of making a titanium dioxide oxygen sensor element with fast transient response | 
| 08/20/1985 | US4535786 Measurement of body fluid chemistry | 
| 08/20/1985 | US4535780 Apparatus for measuring xenon concentration in xenon cerebral blood-flow studies | 
| 08/20/1985 | US4535778 Method and apparatus for detecting blood gas | 
| 08/20/1985 | CA1192259A1 Oxygen sensing cell | 
| 08/15/1985 | WO1985003577A1 Non destructive test of materials for ferromagnetic substances | 
| 08/14/1985 | EP0151285A2 Mounting system for rod-shaped probes | 
| 08/14/1985 | EP0151197A1 Ion-selective layered half cell | 
| 08/13/1985 | US4535316 Heated titania oxygen sensor | 
| 08/13/1985 | US4535315 Absorption of gas decreases electrical resistance | 
| 08/13/1985 | US4535285 Apparatus for determining an electrical characteristic of a fibrous dispersion | 
| 08/13/1985 | US4534875 Reaction product of hydrophobic hydrophilic surfactant and electrolyte | 
| 08/13/1985 | US4534825 Monitoring ions in blood in vivo; transistors | 
| 08/13/1985 | US4534647 Apparatus for photometrically scanning gels | 
| 08/13/1985 | US4534405 Method and an arrangement for inspecting the surface of steel stock having a temperature above the Curie point | 
| 08/13/1985 | US4534356 Noble metal and silver-silver halide reference electrodes; oxygen permeable polymeric membrane | 
| 08/13/1985 | US4534355 Monitoring oxygen levels in blood gas using a polyetherurethane copolymer sheath | 
| 08/13/1985 | US4534330 Air/fuel ratio detector | 
| 08/13/1985 | US4534320 Method for determining the amount of dissolved oxygen from above and below water level air leakage in a steam power plant | 
| 08/13/1985 | US4534229 Method and apparatus for preparing a meat sample for determination of composition of same | 
| 08/13/1985 | US4534220 Apparatus for measuring the characteristics of an ultrasonic wave medium | 
| 08/13/1985 | CA1191899A1 Electrolyte potential measuring apparatus | 
| 08/13/1985 | CA1191898A1 Method for measuring ionic concentration utilizing an ion-sensing electrode | 
| 08/13/1985 | CA1191897A1 Gas sensor | 
| 08/07/1985 | EP0151078A2 High intensity mass spectrometer with simultaneous multiple detection | 
| 08/07/1985 | EP0150999A2 Methods of Assay | 
| 08/07/1985 | EP0150923A2 Instrument for measurement of the organic carbon content of water | 
| 08/07/1985 | EP0150864A2 Method of applying a gas permeable membrane for blood gas sensing electrode and a device thereof | 
| 08/07/1985 | EP0150622A2 Electromagnetic monitoring of elongate conductors, particularly pipes or cables | 
| 08/07/1985 | EP0150602A2 Carbon-boron compounds in electron transfer electrodes | 
| 08/07/1985 | EP0150401A2 Method and apparatus for determining the carbon content of a gaseous atmosphere | 
| 08/07/1985 | EP0150182A1 Measuring an extended range of air fuel ratio | 
| 08/06/1985 | US4533642 Metal analysis for acid-soluble elements | 
| 08/06/1985 | US4533520 Circuit for constant temperature operation of a catalytic combustible gas detector | 
| 08/06/1985 | US4533518 Ion chromatography; passing carbonic acid through membrane to eliminate water dipeffect | 
| 08/06/1985 | US4533457 Ion selective electrode device and ion analyzing apparatus | 
| 08/06/1985 | US4533456 Oxygen sensor for rapid blood gas analysis | 
| 08/06/1985 | US4533440 Potential difference between redox and reference electrodes | 
| 08/06/1985 | US4533307 Apparatus for preparing thin gel slabs for electrophoresis | 
| 08/06/1985 | US4532797 Instrumentation for sensing moisture content of material using a transient thermal pulse | 
| 08/06/1985 | CA1191625A1 Device for positioning a member facing each of the perforations of a perforated plate in accordance with a given grid | 
| 08/06/1985 | CA1191610A1 Electrochemical cell simulating circuit arrangement | 
| 08/01/1985 | WO1985003308A1 Monitoring membrane bounded systems | 
| 07/31/1985 | EP0150111A2 Method for measuring changes in a physical property of liquid and semisolid materials | 
| 07/31/1985 | EP0149619A1 Device for generating a reference potential by means of potentiometric lambda probes | 
| 07/31/1985 | EP0149606A1 Extended range air fuel ratio sensor | 
| 07/30/1985 | US4532492 Temperature-compensated, oxygen-content gas sensor | 
| 07/30/1985 | US4532469 Apparatus for capacitance or dampness measurements | 
| 07/30/1985 | US4532216 Using indicator providing detectable response to ion exchange between polyelectrolyte and sample | 
| 07/30/1985 | US4532023 Electrochemical gas analyzer for determination of sulphur dioxide content of gases | 
| 07/30/1985 | US4532016 Capacitive hygrometer and its production process | 
| 07/30/1985 | US4532013 Intermittently subjecting to ambient air, comparing measured output of sensor to reference value, deriving standard curve, extrapolating | 
| 07/30/1985 | US4531663 Guide apparatus | 
| 07/30/1985 | US4531486 Apparatus and method for measuring the concentration of particles in a gas | 
| 07/30/1985 | US4531413 Ultrasonic flaw detector driving apparatus of a trackless type | 
| 07/30/1985 | US4531409 Test system for defect determination in welding seams | 
| 07/30/1985 | US4531402 Apparatus and method for measuring the concentration of large particles in a gas | 
| 07/30/1985 | CA1191202A1 Apparatus for the inspection of electrodeposited electrically insulating coatings | 
| 07/24/1985 | EP0149330A1 ISFET Sensor and method of manufacture | 
| 07/24/1985 | EP0149246A2 Overcoat compositions containing nucleating agents and ion-selective electrodes for co2 determinations | 
| 07/24/1985 | EP0149217A2 Inductive transducer | 
| 07/24/1985 | EP0148829A1 Steady-state method for determining rich air/fuel ratios | 
| 07/23/1985 | US4531091 Magnetic inspection of reinforcing steel using sensor array |