| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 09/07/1988 | WO1988006729A1 Improved electrochemical sensor |
| 09/07/1988 | EP0281413A2 Mass spectrometer for positive and negative ions |
| 09/07/1988 | EP0281378A2 Electrochemical device having a heater |
| 09/07/1988 | EP0281375A2 Oxygen analyzer |
| 09/07/1988 | EP0281247A2 Gas sensors |
| 09/07/1988 | EP0281194A2 Method and device for testing ion sensitive electrodes and system for monitoring of an ion concentration |
| 09/07/1988 | EP0280814A2 Apparatus and method for measuring the flow characteristics of a petroleum stream |
| 09/07/1988 | CN87213836U Automatic analyzer for five elements |
| 09/06/1988 | US4769609 Measurement of ultra-fine particles utilizing pulsed corona signals |
| 09/06/1988 | US4769608 Self-cleaning streaming current monitor |
| 09/06/1988 | US4769607 Sensor assembly for use with a sampling device |
| 09/06/1988 | US4769598 Apparatus for electromagnetically testing the walls of pipelines |
| 09/06/1988 | US4769593 Method and apparatus for measurement of steam quality |
| 09/06/1988 | US4769548 Method for the quantitative and qualitative characterization of substances contained in a gaseous carrier medium |
| 09/06/1988 | US4769540 Atmospheric pressure ionization mass spectrometer |
| 09/06/1988 | US4769408 Medium for electrophoresis |
| 09/06/1988 | US4769334 Method for detecting proteins in gels using radioactive dyes |
| 09/06/1988 | US4769217 Apparatus for measuring content of organic carbon |
| 09/06/1988 | US4769124 Oxygen ion sensitive solid electrolyte; current measurement |
| 09/06/1988 | US4769123 Electrochemical device |
| 09/06/1988 | US4769122 Compact electrochemical cell for gas detection |
| 09/06/1988 | US4769121 Porous electrode with embedded passivating and immobilized biochemically active layers; capacitance affinity sensors |
| 08/31/1988 | EP0280567A2 Means for electrophoresis |
| 08/31/1988 | EP0280540A2 Method and apparatus for simultaneous detection of target gases in ambient air |
| 08/31/1988 | EP0280303A2 Method and circuit for the automatic measuring of direct currents |
| 08/31/1988 | EP0280230A2 Instrument for potentiometric electrochemical measurements in an electrolyte solution |
| 08/31/1988 | EP0280229A2 Method for measuring the concentration of water of a hydraulic fluid |
| 08/31/1988 | CN88100511A Device for detecting internal anomaly of electric apparatus inflated sulfur hexafluoride gas |
| 08/31/1988 | CN87216058U Electric circuit metal detector |
| 08/30/1988 | US4768012 Sensors |
| 08/30/1988 | US4767995 Conductivity cell with adjustable concentric electrodes |
| 08/30/1988 | US4767994 Multi-purpose voltametric analyzer |
| 08/30/1988 | US4767986 Oscillating transducers for monitoring the surface of elongated objects |
| 08/30/1988 | US4767591 Resistance probe for energetic particle dosimetry |
| 08/30/1988 | US4767520 Device for detecting air-fuel ratio of engine |
| 08/30/1988 | US4767504 Covering membrane with vaporproof metal foil; maintaining isotonic equilibrium |
| 08/30/1988 | CA1241459A1 Sample inlet system for an electron capture detector |
| 08/30/1988 | CA1241374A1 Air-fuel ratio detection system |
| 08/30/1988 | CA1241373A1 Method of operating quadropole ion trap chemical ionization mass spectrometry |
| 08/30/1988 | CA1241372A1 Air-to-fuel ratio sensor for an automobile |
| 08/25/1988 | WO1988006290A1 Water quality monitoring method and apparatus |
| 08/25/1988 | WO1988006289A1 Ion sensor |
| 08/25/1988 | WO1988004108A3 Solid compositions for fuel cells, sensors and catalysts |
| 08/25/1988 | DE3722059C1 Measuring device for fluid jets |
| 08/25/1988 | DE3704714A1 Reference electrode for ion-activity measurement, in particular for pH measurement |
| 08/24/1988 | EP0279541A2 Electrode with sealing assembly and fill hole cover |
| 08/24/1988 | EP0279258A1 Device for control and/or measurement of test objects |
| 08/24/1988 | EP0278979A1 Electrode assembly. |
| 08/24/1988 | EP0126095B1 Solid ion-selective electrodes |
| 08/23/1988 | US4766389 Capacitor array sensors tactile and proximity sensing and methods of use thereof |
| 08/23/1988 | US4766373 Method and apparatus for real-time, on-line monitoring of wear in machinery |
| 08/23/1988 | US4766369 Ice detector |
| 08/23/1988 | US4766312 Methods and apparatus for detecting negative ions from a mass spectrometer |
| 08/23/1988 | US4765881 Electrolyte with thimble held in metal shell by insulation; conductive coating |
| 08/23/1988 | US4765880 Porous electrodes and oxygen ion conductive electrolyte plate; free of atmospheric air; internal combustion engines |
| 08/23/1988 | US4765870 Hydration of an aluminum substrate followed by passivation with solium dihydrogen phosphate solution; tempering |
| 08/23/1988 | EP0210224A4 Measurement of ligand/anti-ligand interactions using bulk conductance. |
| 08/23/1988 | CA1241104A1 Voltammetric method of measuring and an apparatus for realizing the method |
| 08/23/1988 | CA1241087A1 Apparatus for detecting water in fuel |
| 08/23/1988 | CA1241057A1 Potential-causing element for immunosensor |
| 08/23/1988 | CA1240952A1 High rate sputtering of exhaust oxygen sensor electrode |
| 08/18/1988 | DE3722369A1 Exhaust-gas manifold for internal combustion engines with a connector element for receiving a measurement sensor |
| 08/17/1988 | EP0278647A2 Electronchemical processes involving enzymes |
| 08/17/1988 | CN88100507A Apparatus for determining concentration of paramagnetic ions in solutions |
| 08/17/1988 | CN87209547U Pocket steel grade teller |
| 08/17/1988 | CN87208890U Pratical simulant load box of electrolyzer |
| 08/16/1988 | US4764970 Method and apparatus for detecting cracks |
| 08/16/1988 | US4764797 Chemical-sensitive semiconductor device |
| 08/16/1988 | US4764416 Electric element circuit using oxidation-reduction substances |
| 08/16/1988 | US4764258 Method for evaluating the remaining useful life of a hydrocarbon oil |
| 08/16/1988 | US4764257 Aluminum reference electrode |
| 08/16/1988 | US4763628 Method of compensating output from oxygen concentration sensor of internal combustion engine |
| 08/16/1988 | US4763537 Process for protecting electrochemical sensors from biofouling in an aquatic environment |
| 08/16/1988 | US4763509 Device for determining the concentration of substances having paramagnetic properties |
| 08/16/1988 | CA1240759A1 Gas sensor and detection system comprising such a sensor |
| 08/16/1988 | CA1240756A1 Method and apparatus for producing electromagnetic surveillance fields |
| 08/16/1988 | CA1240736A1 Use of dry analytical elements to determine electrically separated analytes |
| 08/11/1988 | WO1988005910A1 Device for determining the concentration of paramagnetic ions in solutions |
| 08/11/1988 | WO1988005833A1 Apparatus and methods for sensing fluid components |
| 08/11/1988 | WO1988005689A1 Combination of electrophoretic chamber, gel tray, transilluminator, and camera |
| 08/11/1988 | WO1988005535A3 Ion mobility detector |
| 08/11/1988 | DE3702725A1 Moisture sensor for use in automatic irrigation equipment |
| 08/10/1988 | EP0277886A1 Device for checking the continuity of a metallic coating on a moving metal wire whose composition differs from that of the coating |
| 08/10/1988 | EP0277789A2 Method for measuring biomass |
| 08/10/1988 | EP0277623A2 Element and device for detecting internal faults in an insulating gas charged electrical apparatus |
| 08/10/1988 | EP0277472A2 Solid state indicator electrode and method of making same |
| 08/10/1988 | EP0277467A1 Method and apparatus for the non-destructive checking of spotwelds between metal sheets,produced by electric welding |
| 08/10/1988 | EP0148234B1 Apparatus for detecting micro-organisms |
| 08/09/1988 | US4763274 Machine implemented analysis eddy current data |
| 08/09/1988 | US4763077 Sensor circuit responsive to different fluid conductivities |
| 08/09/1988 | US4763071 Nondestructive test instrument for determining fiber volume, ply count and thickness of fiber-containing electrically conductive composite materials |
| 08/09/1988 | US4763070 Method and apparatus to compensate for lateral changes of a ferromagnetic body during magnetic testing |
| 08/09/1988 | US4763065 Apparatus for the detection and measurement of suspended particulates in a molten metal |
| 08/09/1988 | US4763064 Device for measuring the electronic characteristics of solid materials |
| 08/09/1988 | US4762743 Corrugated wedge spacers for slab gel molds |
| 08/09/1988 | US4762611 Measuring conductivity of drinking water; liquid crystal display to limit power consumtpion |
| 08/09/1988 | US4762605 Oxygen sensor |
| 08/09/1988 | US4762604 Oxygen concentration sensing apparatus |
| 08/09/1988 | US4762594 Calibration |
| 08/09/1988 | US4762427 Sensor for measurement by electrical heating |