| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 04/01/1980 | US4196384 Probe assembly for monitoring liquids |
| 04/01/1980 | US4196383 Coaxial differential PH system |
| 04/01/1980 | US4196056 Ion selective electrode analysis |
| 04/01/1980 | US4195529 Device for moving the pickups of a flaw detection system through a pipeline |
| 04/01/1980 | US4195513 Methods of monitoring the presence or movements of humans |
| 04/01/1980 | CA1074868A1 Apparatus for testing tube wall thickness |
| 04/01/1980 | CA1074867A1 Apparatus for electrolytically determining a species in a fluid |
| 04/01/1980 | CA1074866A1 Improved apparatus and method for measuring the mobility of colloids in an electric field |
| 03/25/1980 | US4194994 Sintered metal oxide semiconductor having electrical conductivity highly sensitive to oxygen partial pressure |
| 03/25/1980 | US4194963 Electrophoresis apparatus |
| 03/25/1980 | CA1074461A1 Ionization detector |
| 03/19/1980 | EP0008991A1 Improvement in fire detectors |
| 03/19/1980 | EP0008977A1 Apparatus for measuring a constituent of an atmosphere |
| 03/19/1980 | EP0008710A1 Eddy currents probe for the inspection of pipes |
| 03/18/1980 | US4194149 Method for generating the eddy current signature of a flaw in a tube proximate a contiguous member which obscures the flaw signal |
| 03/18/1980 | US4194120 Adjustable ionization chamber |
| 03/18/1980 | US4193965 Circuit assembly for exhaust emission monitoring |
| 03/18/1980 | US4193964 Microminiature palladium oxide gas detector and method of making same |
| 03/18/1980 | US4193857 Solid electrolyte comprising mixture of good oxygen ion conductor and nonelectrolyte |
| 03/18/1980 | US4193289 Ceramic insulator for an exhaust gas oxygen sensor |
| 03/18/1980 | CA1073853A1 Apparatus for monitoring sodium concentration in a flow of mercury-sodium amalgam |
| 03/11/1980 | US4193116 Analysis instrument |
| 03/11/1980 | US4193028 Eddy current instrumentation circuitry for distinguishing flaw signals from spurious noise signals |
| 03/11/1980 | US4193010 Sensor device using piezoelectric coating subjected to bending |
| 03/11/1980 | CA1073543A1 Method and apparatus for producing metal blanks, in particular steel slabs, which at least in a predetermined surface area have substantially no defects |
| 03/11/1980 | CA1073238A1 Gas sensor with indium oxide resistive base |
| 03/06/1980 | WO1980000374A1 Improvements relating to displacement electrophoresis |
| 03/06/1980 | WO1980000373A1 Oxygen sensor |
| 03/05/1980 | EP0008460A2 Adhesive support and its utilization |
| 03/05/1980 | EP0008430A2 Mixed oxides for the electrodes of electrochemical high temperature cells with solid electrolyte, and process for their manufacture |
| 03/04/1980 | US4191950 Anti-bed-wetting device |
| 03/04/1980 | US4191922 Electromagnetic flaw detection system and method incorporating improved automatic coil error signal compensation |
| 03/04/1980 | US4191920 Instrument for detecting contamination on metallic surfaces by measuring surface potential differences |
| 03/04/1980 | US4191195 Coupling circuit with driven guard |
| 03/04/1980 | US4191047 Device for detecting the initial settling of the solid phase in solid-liquid suspensions |
| 02/26/1980 | US4190827 Multichannel salinity meter |
| 02/26/1980 | US4190628 Contains a plant lectin as a specific agglutinating agent |
| 02/26/1980 | US4190517 Improved accuracy and visibility |
| 02/26/1980 | US4190502 Method of evaluating the corrosion rate of metal |
| 02/26/1980 | US4190501 Process for measuring internal metal stress |
| 02/26/1980 | US4190499 Determining presence of fuels in oxygen gas mixture by use of oxygen ion conductive solid electrolyte electrochemical cell |
| 02/26/1980 | US4190481 Apparatus for ion control of solutions |
| 02/26/1980 | US4190380 Device in concrete blocks |
| 02/26/1980 | CA1072634A1 Polarographic glucose analysis |
| 02/26/1980 | CA1072633A1 Oxygen sensor |
| 02/26/1980 | CA1072632A1 Method and a device for evaluating the quality of electroplating baths |
| 02/26/1980 | CA1072468A1 Enzyme membrane |
| 02/21/1980 | WO1980000274A1 Milk inspection apparatus |
| 02/20/1980 | EP0008175A1 Process for forming a dense thin sintered layer |
| 02/20/1980 | EP0007963A1 Method and device for measuring or detecting a mechanical change of state or its time derivative |
| 02/19/1980 | US4189644 Smoke detector ionization chamber |
| 02/19/1980 | US4189639 Process for analyzing charged particles |
| 02/19/1980 | US4189370 Process for obtaining gels of N-methylol-acrylamide copolymers and application of said gels for the stepped gradient separation of seric lipoproteins |
| 02/19/1980 | US4189367 Method for testing ion selective electrodes in continuous measuring systems |
| 02/19/1980 | US4189355 Method for detection of fluctuation in air/fuel ratio of air-fuel mixture fed to internal combustion engine |
| 02/19/1980 | CA1072184A1 Apparatus and method for detecting a substance in a fluid medium |
| 02/12/1980 | US4188577 Pulse eddy current testing apparatus for magnetic materials, particularly tubes |
| 02/12/1980 | US4188267 Method and apparatus for measuring the integrity of an electrolytic cell lining |
| 02/12/1980 | CA1071712A1 Method and apparatus for detecting elements |
| 02/12/1980 | CA1071711A1 Microbial detection and enumeration method and apparatus |
| 02/12/1980 | CA1071710A1 Process and apparatus for investigating the activity of a cathodic protection unit |
| 02/12/1980 | CA1071709A1 Gas analysis apparatus |
| 02/12/1980 | CA1071429A1 Method and apparatus for purification of aqueous zinc sulphate solution used in electrolytical production of zinc |
| 02/06/1980 | EP0007794A1 Device for use in determining ionic activity |
| 02/06/1980 | EP0007733A1 Method and apparatus for use in ion-selective electrode measurements |
| 02/06/1980 | EP0007621A1 Oxygen sensor |
| 02/06/1980 | EP0007491A1 Apparatus for inspecting heat exchanger tubes, especially of steam generators in nuclear power plants |
| 02/06/1980 | EP0007408A1 Device for the contactless measurement of the resistance of thin layers of material |
| 02/05/1980 | US4187486 Oxygen concentration detecting element and method of producing the same |
| 02/05/1980 | US4187170 Magnetic techniques for separating non-magnetic materials |
| 02/05/1980 | US4187163 Electrochemical exhaust gas oxygen sensor construction |
| 02/05/1980 | US4187162 Electrochemical cell |
| 02/05/1980 | US4187161 Electrical element of construction |
| 02/05/1980 | US4186592 Method of measuring the moisture content in flowable materials and apparatus for carrying out the method |
| 02/05/1980 | CA1071306A1 Reference electrode for use at high temperatures and pressures |
| 02/05/1980 | CA1071305A1 Device and method for determining ionic activity of components of liquid drops |
| 02/05/1980 | CA1071304A1 Electrochemical gas detectors |
| 02/05/1980 | CA1071078A1 Automatic process titration system |
| 02/05/1980 | CA1070973A1 Testing of inaccessable parts |
| 01/29/1980 | US4186072 Hot gas measuring device |
| 01/29/1980 | US4186071 By treating the catalyst electrode with an inorganic acid or acid salt |
| 01/29/1980 | US4185620 Oxygen measuring electrode assembly |
| 01/29/1980 | US4185491 Gas monitors |
| 01/29/1980 | US4185490 Phase discrimination in modulated thermal conductivity detector |
| 01/29/1980 | CA1070859A1 Method and apparatus for detecting a constituent in an atmosphere |
| 01/29/1980 | CA1070798A1 Flame detecting apparatus |
| 01/29/1980 | CA1070796A1 Method of and apparatus for detecting conductive particles in an oil flow system |
| 01/29/1980 | CA1070766A1 Process and apparatus for non-destructive eddy current testing |
| 01/23/1980 | EP0006989A1 Hot gas measuring device |
| 01/23/1980 | EP0006980A1 Method for measuring the oxygen concentration in a gaseous mixture, especially for determining the percentage of oxygen in the exhaust gases of an internal or external combustion engine, and ionisation probes for carrying out the method |
| 01/23/1980 | EP0006910A1 A process and a measuring cell for the coulometric determination of the content of a component dissolved in water |
| 01/22/1980 | US4185196 Ionization smoke detector having improved stability and sensitivity |
| 01/22/1980 | US4184937 Gold and platinum black electrodes, propylene carbonate of g-butyrolactone solvent |
| 01/22/1980 | US4184936 Porous and nonporous layers |
| 01/22/1980 | US4184935 Reference electrode |
| 01/22/1980 | US4184934 Protective shield having omni-directional diverter for sensing means |
| 01/22/1980 | US4184241 Applicator for affixing a membrane to a sensor |
| 01/22/1980 | CA1070388A1 On-line amperometric analysis system and method incorporating automatic flow compensation |
| 01/22/1980 | CA1070227A1 Measurement of alkaline phosphatase levels in body fluids |
| 01/15/1980 | US4184127 Frequency stabilized laser |