| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 03/22/1979 | WO1979000146A1 A process and a measuring cell for the coulometric determination of the content of a component dissolved in water |
| 03/20/1979 | US4145272 Oxygen sensor |
| 03/20/1979 | US4145255 Enzymatic oxidation |
| 03/20/1979 | US4144741 Void detecting device |
| 03/20/1979 | US4144636 Method for manufacture of a moisture sensor |
| 03/13/1979 | US4144494 Method of magnetically testing tubes during welding wherein the same magnetic field is used both for heating and testing |
| 03/13/1979 | US4144451 Mass spectrometer |
| 03/13/1979 | US4143544 Applying powder to electrostatically charged surface |
| 03/13/1979 | CA1050630A1 Humidity sensor |
| 03/13/1979 | CA1050615A2 Method for detecting moisture in multiple layer roofs |
| 03/13/1979 | CA1050301A2 Apparatus for measuring the proprieties of fluids |
| 03/06/1979 | US4143177 Absolute humidity sensors and methods of manufacturing humidity sensors |
| 03/06/1979 | US4142960 Slab gel mold and electrophoresis apparatus |
| 03/06/1979 | US4142944 Mercury drop electrode |
| 03/06/1979 | US4142400 Nitrogen dioxide sensing element and method of sensing the presence of nitrogen dioxide |
| 03/06/1979 | CA1050114A1 Admittance measuring system for monitoring the condition of materials |
| 02/27/1979 | US4142154 Hole tester using a permeable protective sleeve insertible in said hole and adapted to receive a relatively movable eddy current probe |
| 02/27/1979 | US4141813 Oxygen sensor particularly useful in exhaust system of automotive engine |
| 02/27/1979 | US4141812 Oxygen sensors |
| 02/27/1979 | US4141809 Continuous flow electrophoresis |
| 02/27/1979 | US4141800 Electrochemical gas detector and method of using same |
| 02/27/1979 | US4141689 Methods and devices for determining the concentration of a component of a fluid |
| 02/27/1979 | CA1049615A1 Coulometric titrator |
| 02/27/1979 | CA1049402A1 Method for electroquantitative determination of proteins |
| 02/20/1979 | US4140990 Probe for selectively detecting vapors, water vapor in particular |
| 02/20/1979 | US4140612 Electroconductive, oxides of silicon, alkali metals, titanium, niobium, tantalum |
| 02/20/1979 | US4140611 For emission control device, exhaust gas |
| 02/20/1979 | CA1049096A1 Method of detecting flaws in rims of lap seamed ferrous can bodies |
| 02/13/1979 | US4139822 Eddy current probe for inspecting interiors of gas turbines, said probe having pivotal adjustments and a borescope |
| 02/13/1979 | US4139440 Electrofocusing in buffers |
| 02/13/1979 | US4139421 Method of determining oxygen content |
| 02/13/1979 | US4139348 Detectors, regeneration |
| 02/13/1979 | US4138881 Resistor-type solid electrolyte oxygen sensor |
| 02/13/1979 | CA1048610A1 Gas analyzer |
| 02/13/1979 | CA1048366A1 Chemically activated warning system |
| 02/08/1979 | WO1979000045A1 Method for the determination of enzymes by diffusion in a porous matrix or by electrophoresis |
| 02/08/1979 | WO1979000044A1 Method for the determination of biological substances by diffusion in a porous matrix or by electrophoresis |
| 02/07/1979 | EP0000586A1 Method for rejuvenating ion sources |
| 02/07/1979 | EP0000489A1 Method for the non-destructive testing of semiconductor substrates |
| 02/06/1979 | US4138639 Fluid conductivity measurement |
| 02/06/1979 | US4138638 Apparatus for examining liquid quality |
| 02/06/1979 | US4138322 Polarographic apparatus |
| 02/06/1979 | US4138277 Detection of defects and means to correct such defects |
| 02/06/1979 | US4137750 Method and apparatus for analyzing trace components using a gas curtain |
| 02/06/1979 | CA1048164A1 Method and apparatus for improved focusing of ion currents in quadrupole mass filters |
| 02/06/1979 | CA1047794A1 Gas detection apparatus with three channel valve assembly |
| 01/30/1979 | US4137495 Oil detector |
| 01/30/1979 | US4137494 Apparatus and method for analyzing oil content of water |
| 01/30/1979 | US4137453 Methods and apparatus for improving electron capture detectors by collection of ions |
| 01/30/1979 | CA1047603A1 Process to determine the dosage of the flocculant to be added to a liquid scheduled for treatment |
| 01/23/1979 | US4136007 Sample applying position marking device for film for electrophoresis |
| 01/23/1979 | US4136000 Process for producing improved solid electrolyte oxygen gas sensors |
| 01/23/1979 | US4135999 Ion sensitive electrode and cells for use therewith |
| 01/23/1979 | US4135381 Oxygen sensor temperature monitor for an engine exhaust monitoring system |
| 01/23/1979 | CA1047168A1 Humidity sensitive resistor device |
| 01/23/1979 | CA1047111A1 Apparatus and method for measurement of total volume of particles in a liquid sample |
| 01/23/1979 | CA1046984A1 Apparatus for electrophoresis migration |
| 01/23/1979 | CA1046913A1 Titration apparatus and method therefor |
| 01/23/1979 | CA1046795A1 Fluid sample analysis system |
| 01/16/1979 | US4135151 Apparatus for detecting wet and icy surface conditions |
| 01/16/1979 | US4135094 Method and apparatus for rejuvenating ion sources |
| 01/16/1979 | US4135078 Electrically heated window |
| 01/16/1979 | US4134818 Solid electrolyte sensor for monitoring combustibles in an oxygen containing environment |
| 01/16/1979 | US4134799 Method for selecting a demulsifier for breaking a water-in-oil emulsion |
| 01/16/1979 | US4134798 Isocyanurate specific electrode and method of analysis and quaternary ammonium isocyanuric acid salts therefore |
| 01/11/1979 | WO1979000002A1 Improvements relating to membrane electrophoresis |
| 01/10/1979 | EP0000182A1 Device for measuring the electrolytic content of air |
| 01/10/1979 | EP0000136A1 Device for measuring the toner concentration in a development mixture |
| 01/09/1979 | US4134067 Rotary eddy current flaw detector utilizing differentially unbalanced coils and the amplitude of a rotary induced pulse to produce the charging voltage for the sweep generator |
| 01/09/1979 | US4134066 Wafer indexing system using a grid pattern and coding and orientation marks in each grid cell |
| 01/09/1979 | US4134064 Method and apparatus for magnetically determining the Gd2 O3 content in UO2 fuel pellets while eliminating the effect of ferromagnetic impurities |
| 01/09/1979 | US4133735 Ion-sensitive electrode and processes for making the same |
| 01/09/1979 | US4133733 Electrolytic titration apparatus |
| 01/09/1979 | US4133732 Combination electrode system |
| 01/09/1979 | US4133722 Measurement of mechanogalvanic potentials |
| 01/09/1979 | CA1046169A1 Method and apparatus for spatial separation of ac and dc electric fields, with application to fringe fields in quadrupole mass filters |
| 01/09/1979 | CA1045962A1 Gas-sensing material |
| 01/02/1979 | US4132949 Method and apparatus for the continuous, contactless testing of an elongated conductor which consists at least partially of superconductive material |
| 01/02/1979 | US4132944 Apparatus for monitoring electrical properties of a liquid |
| 01/02/1979 | US4132616 Gas sensor |
| 01/02/1979 | US4132615 Internal combustion engine exhaust gas oxygen sensor and catalyzer combination |
| 01/02/1979 | US4132605 Method for evaluating the quality of electroplating baths |
| 01/02/1979 | CA1045691A1 Method and apparatus for extending the operating range of a condition monitoring system |
| 12/26/1978 | US4131773 Apparatus for detecting presence of oil in a body of water |
| 12/26/1978 | US4131534 Hydrolysis of organic amino or imino compounds and unsaturated carboxylic acid esters |
| 12/26/1978 | US4131490 Method for scarfing surface defects of a metal piece |
| 12/26/1978 | US4131428 Potentiometric |
| 12/26/1978 | US4131081 Toner concentration detecting apparatus |
| 12/26/1978 | US4131018 Elbow or bent tube manipulator, especially for ultrasonic testing in nuclear reactor installation |
| 12/26/1978 | CA1045253A2 Mass spectrometric system for rapid, automatic and specific identification and quantitation of compounds |
| 12/26/1978 | CA1045249A1 Humidity sensitive ceramic resistor |
| 12/26/1978 | CA1045206A1 Flush mounted probe for corrosion testing |
| 12/26/1978 | CA1045205A2 Solid state sensor for anhydrides |
| 12/26/1978 | CA1044915A1 Humidity sensor with negative coefficient of resistivity for relative humidity |
| 12/26/1978 | CA1044910A1 Laundry apparatus and method of laundering |
| 12/19/1978 | US4130824 Recording analyzer for electrophoretic samples |
| 12/19/1978 | US4130800 Magnetic particle test system using movable test piece clamping means movable jointly or independently |
| 12/19/1978 | US4130797 Gas component sensing apparatus |
| 12/19/1978 | US4130471 Cellulose acetate membrane |
| 12/19/1978 | US4130470 Method for generating a pH-function for use in electrophoresis |