| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 01/15/1980 | US4183791 Method of forming amperometric sensor with transition metal oxide/hydroxide electrodes |
| 01/15/1980 | CA1069976A1 Electrolytic measurement system |
| 01/09/1980 | EP0006272A1 Method and apparatus for controlling the dose of a chemical melt on a road |
| 01/08/1980 | US4182740 Flame ionization detector |
| 01/08/1980 | US4182668 Metal tube tip for holding a porous membrane |
| 01/08/1980 | US4182667 Ion-sensitive electrodes |
| 01/08/1980 | US4182666 Oxygen sensors |
| 01/08/1980 | US4182638 Coating process with voltammetric sensing of the coating solution |
| 01/01/1980 | US4181881 Electrical impedance measuring apparatus for providing separate measurements of the conductivity and dielectric coefficient of various materials |
| 01/01/1980 | US4181880 Linear ground conductivity measuring system |
| 01/01/1980 | US4181852 Spark source spectrographic analysis process and apparatus |
| 01/01/1980 | US4181594 Gel slab |
| 01/01/1980 | US4181589 Electrophoresis, polymer |
| 01/01/1980 | CA1069221A Anodic etching method for the detection of electrically active defects in silicon |
| 12/27/1979 | WO1979001141A1 Electrophoretically concentrating apparatus |
| 12/25/1979 | US4180771 Semiconductors |
| 12/25/1979 | US4180440 Variable endpoint analyzer |
| 12/25/1979 | US4180439 Anodic etching method for the detection of electrically active defects in silicon |
| 12/25/1979 | US4179934 Method and apparatus for monitoring particle sizes |
| 12/18/1979 | US4179653 Corrosion monitoring probe |
| 12/18/1979 | US4179491 Hydrogen uranyl phosphate, arsenate, or periodate |
| 12/18/1979 | US4179349 Portable probe to measure sensitization of stainless steel |
| 12/18/1979 | US4178919 Flowmeter for providing synchronized flow data and respiratory gas samples to a medical mass spectrometer |
| 12/18/1979 | US4178793 Apparatus for oxygen sensor impedance measurement |
| 12/11/1979 | US4178623 Measuring sensor for capacitive measurement of liquids at selected levels |
| 12/11/1979 | US4178507 Ionization of organic substances on conveyor means in mass spectrometer |
| 12/11/1979 | US4178223 Electrical oxygen probe |
| 12/11/1979 | US4178222 Solid electrolyte oxygen sensor with electrically isolated heater |
| 12/11/1979 | US4177787 Deteriorated condition detecting apparatus for an oxygen sensor |
| 12/11/1979 | US4177770 Compensation of sensor voltage for reference potential variation |
| 12/11/1979 | US4177668 Apparatus for determining the alcoholic content in the blood |
| 12/04/1979 | US4177126 Reference electrode |
| 12/04/1979 | US4177125 Electrochemical detector of the oxygen content of the exhaust gases of combustion engines |
| 12/04/1979 | US4177112 Oxygen concentration detector and method of use thereof |
| 12/04/1979 | US4177033 Flame detection arrangements and the like |
| 12/04/1979 | US4176659 Catheter with measurement electrodes |
| 12/04/1979 | CA1067457A1 Membrane for enzyme electrodes |
| 11/28/1979 | EP0005481A1 Gas sensors and method for preparing them |
| 11/28/1979 | EP0005480A1 Gas sensors |
| 11/27/1979 | US4176311 Positive ion smoke detector using a tungsten wire preheated in hydrogen to increase sensitivity |
| 11/27/1979 | US4176032 Chlorine dioxide analyzer |
| 11/27/1979 | US4176031 Digital hypochlorous acid analyzer |
| 11/27/1979 | US4175729 Method and apparatus for producing metal blanks, in particular steel slabs, which at least in a predetermined surface area have substantially no defects |
| 11/27/1979 | US4175422 Gas monitors |
| 11/27/1979 | CA1067141A1 Electrocatalyst containing noble metals and bismuth |
| 11/27/1979 | CA1067134A1 Ion production means |
| 11/20/1979 | US4175233 Flow cell and method for continuously monitoring deposits on flow surfaces |
| 11/20/1979 | US4175028 Electrode membrane |
| 11/20/1979 | US4175020 Salt and hydroxyethyl methacrylate |
| 11/20/1979 | US4175019 Heated solid electrolyte oxygen sensor |
| 11/20/1979 | CA1066775A1 Testing of interiors of pressure vessels |
| 11/20/1979 | CA1066772A1 Continuous calibration system and method for analytical instruments |
| 11/15/1979 | WO1979000942A1 Apparatus and process for continuous flow isoelectric focusing |
| 11/13/1979 | US4174498 Apparatus and method for providing separate conductivity, dielectric coefficient, and moisture measurements of particulate material |
| 11/13/1979 | US4174258 Solid electrolyte oxygen sensor with zero oxygen reference |
| 11/13/1979 | US4174178 Blood serum bearing film with position indicating mark |
| 11/13/1979 | US4173975 Magnetic means for determining partial pressure of oxygen particularly in underwater breathing apparatus |
| 11/13/1979 | US4173943 Device for moistening blood serum bearing film in electrophoretic apparatus |
| 11/06/1979 | CA1065630A1 Means for sensing frost accumulation in a refrigeration mechanism |
| 11/01/1979 | WO1979000855A1 Metal type detector |
| 10/31/1979 | EP0005032A2 A bioassay method |
| 10/30/1979 | US4172778 Ion-selective electrode |
| 10/30/1979 | US4172777 Apparatus for measuring ion activity |
| 10/30/1979 | US4172770 Permselective membrane |
| 10/30/1979 | US4172705 Process and apparatus for sulfur analysis |
| 10/30/1979 | US4172492 Apparatus for the in situ inspection of tubes while submerged in a liquid |
| 10/30/1979 | US4172432 Oxygen sensor monitor apparatus |
| 10/30/1979 | US4172315 Method of manufacturing a magnetic field sensitivity indicator apparatus for evaluating magnetic fields in parts during magnetic particle inspection |
| 10/30/1979 | CA1065504A1 Ion detection electrode arrangement |
| 10/30/1979 | CA1065405A1 Oxygen sensor particularly useful in exhaust system of automotive engine |
| 10/30/1979 | CA1065274A1 Electromolecular propulsion in diverse semiconductive media |
| 10/23/1979 | US4172247 Gas concentration sensing device |
| 10/23/1979 | US4172022 Electrochemical sensor of hydrogen and hydrogen-containing reducing agents |
| 10/23/1979 | US4172015 Electrochemical device and analytical method |
| 10/23/1979 | US4171996 Fabrication of a heterogeneous semiconductor structure with composition gradient utilizing a gas phase transfer process |
| 10/23/1979 | US4171987 Micro-porous sheet |
| 10/23/1979 | CA1065063A1 Circuit for linearizing the response of an electron capture detector |
| 10/23/1979 | CA1064852A1 Method for evaluating a system for electrodeposition of metals |
| 10/23/1979 | CA1064727A1 Base line correction in densitometry |
| 10/18/1979 | WO1979000834A1 System for analyzing chemical and biological samples |
| 10/17/1979 | EP0004693A1 Device for measuring the oxygen concentration of molten metals |
| 10/16/1979 | US4171482 Mass spectrometer for ultra-rapid scanning |
| 10/16/1979 | US4171341 Permselective |
| 10/16/1979 | US4171253 Self-humidifying potentiostated, three-electrode hydrated solid polymer electrolyte (SPE) gas sensor |
| 10/16/1979 | US4171246 Potentiometric process |
| 10/16/1979 | US4170965 Compensation for inherent fluctuation in output level of exhaust sensor in air-fuel ratio control system for internal combustion engine |
| 10/09/1979 | US4170770 Gas leak-detecting apparatus |
| 10/09/1979 | US4170755 FM transmitter and receiver for use with non-destructive testing apparatus including a moveable head |
| 10/09/1979 | US4170736 Multi-photon photoionization trace vapor detector |
| 10/09/1979 | US4170531 Method of producing an oxygen concentration cell |
| 10/09/1979 | US4170530 Oxygen concentration cell and a method of producing the same |
| 10/09/1979 | US4170523 Method for checking isolation between titration and electrochemical measuring systems of a chemical analyzer |
| 10/09/1979 | US4170126 Thermal conductivity cell with thick film seal |
| 10/09/1979 | CA1063965A1 Electrical method and apparatus for testing membranous articles |
| 10/09/1979 | CA1063827A2 Exhaust gas sensor output signal control system |
| 10/03/1979 | EP0004510A1 Measuring device for physiological signals to be placed on or inside a part of the body |
| 10/02/1979 | US4169779 Electrochemical cell for the detection of hydrogen sulfide |
| 10/02/1979 | US4169778 Heated solid electrolyte oxygen sensor |
| 10/02/1979 | US4169777 Process for producing an activated oxygen gas sensor element |
| 10/02/1979 | US4169369 Method and thin film semiconductor sensor for detecting NOx |