| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 03/05/1985 | US4503393 Method and apparatus for detecting flaws in the threaded end of an elongate member using electromagnetic excitation and an automated scanning sensor |
| 03/05/1985 | US4503392 Apparatus for non-destructive testing of spot welds using an electromagnetic field |
| 03/05/1985 | US4503383 Device for detecting an interface between two fluids |
| 03/05/1985 | US4502951 Magnetite and phosphorous analysis |
| 03/05/1985 | US4502939 Electrochemical oxygen sensor, particularly for analysis of combustion cases from internal combustion engines |
| 03/05/1985 | US4502938 Encapsulated chemoresponsive microelectronic device arrays |
| 03/05/1985 | US4502937 Optical fiber joint type ion-concentration measurement apparatus |
| 03/05/1985 | US4502321 Apparatus and method for measuring the concentration of gases |
| 03/05/1985 | US4502214 Hermetic sealing, heat-shrinkable dielectric covering |
| 03/05/1985 | CA1183336A1 Method and means for controlling the manufacture of windings for inductive apparatus |
| 02/28/1985 | WO1985000888A1 A method and a device for the quantitative assay of nh3 in a sample |
| 02/27/1985 | EP0133536A2 Ion sensing electrode and methods for producing such electrodes and ion-selective membranes therefor |
| 02/27/1985 | EP0133502A2 Probe for the detection of combustible gases |
| 02/27/1985 | EP0133486A1 Gas sensor |
| 02/26/1985 | US4502012 Method of discharging an aerosol container to measure charge buildup on the container |
| 02/26/1985 | US4502011 Retaining clamp for combination valve and conductivity cell assembly |
| 02/26/1985 | US4501716 Apparatus for inspecting the interior of a reactor vessel |
| 02/26/1985 | US4501296 Device for charging an electrochemical measuring apparatus |
| 02/26/1985 | US4501147 Control circuit for a humidity sensor |
| 02/26/1985 | US4501145 Immersion thermal exchange parameter determination |
| 02/26/1985 | CA1183210A1 Electromagnetic induction defect finding method for metal products |
| 02/20/1985 | EP0133227A1 Conductivity sensor for electrolytes |
| 02/19/1985 | US4500940 Capacitive humidity sensor and method for the manufacture of same |
| 02/19/1985 | US4500865 Fluid leakage detecting element |
| 02/19/1985 | US4500840 High speed, power potentiostat/galvanostat with IR compensation for use with an electrochemical cell |
| 02/19/1985 | US4500413 Opposite sides in flow communication; housing for feference electrode |
| 02/19/1985 | US4500412 Platinum, rhodium or palladium heater on insulating substrate |
| 02/19/1985 | US4500411 Automatically operated polarographic analyzer |
| 02/19/1985 | US4500402 Reference electrode |
| 02/19/1985 | US4500391 Method of and system for real time differential pulse detection |
| 02/19/1985 | US4499901 Retreated sensing electrode |
| 02/19/1985 | US4499880 Air-fuel ratio controlling apparatus for internal combustion engine |
| 02/19/1985 | CA1182880A1 Coin presence sensing apparatus |
| 02/19/1985 | CA1182730A1 Sulphur gas geochemical prospecting |
| 02/14/1985 | WO1985000660A1 Steady-state method for determining rich air/fuel ratios |
| 02/14/1985 | WO1985000659A1 Measuring an extended range of air fuel ratio |
| 02/14/1985 | WO1985000658A1 Extended range air fuel ratio sensor |
| 02/13/1985 | EP0132970A1 Apparatus for detecting combustion-supporting constituents in exhaust gas |
| 02/13/1985 | EP0132691A1 Gas sensor |
| 02/12/1985 | US4499552 Electrochemical cell simulating circuit arrangement |
| 02/12/1985 | US4499424 For measuring the state-of-charge of an open-cell lead/acid battery |
| 02/12/1985 | US4499423 Circuit arrangement for correction of a sensor output |
| 02/12/1985 | US4499111 Process for continuously determining the moisture content of spoilable grain products |
| 02/12/1985 | US4499054 Cation emission type halogenated hydrocarbon gas detecting element |
| 02/12/1985 | US4498982 Reverse osmosis water purification system |
| 02/12/1985 | US4498970 Powdered metal pressed onto porous sheet |
| 02/12/1985 | US4498968 Electrical measuring instrument |
| 02/12/1985 | US4498960 Coating with a dark film by the electrodeposition of a polymer; cotrast |
| 02/12/1985 | US4498338 Procedure and means for measuring the coal content in quick ash |
| 02/12/1985 | US4498330 Gas detecting and monitoring device |
| 02/12/1985 | US4498305 Probe for measuring electrical conductance |
| 02/12/1985 | CA1182592A1 Ionization type smoke detector with test circuit |
| 02/12/1985 | CA1182524A1 Oxygen concentration detector |
| 02/12/1985 | CA1182390A1 Silver stains for protein in gels |
| 02/05/1985 | US4498049 Radiation compensator for gas sensors |
| 02/05/1985 | US4498042 Mat testing apparatus |
| 02/05/1985 | US4498039 Instrument for use with an electrochemical cell |
| 02/05/1985 | US4497701 Humidity sensitive device |
| 02/05/1985 | US4497209 Nondestructive testing of stress in a ferromagnetic structural material utilizing magnetically induced velocity change measurements |
| 02/05/1985 | US4497208 Measurement of electro-kinetic properties of a solution |
| 02/05/1985 | US4497199 Liquid chromatography |
| 02/05/1985 | CA1182172A1 Method and apparatus for non-destructive testing of magnetical permeable bodies |
| 02/05/1985 | CA1182170A1 Sensing device |
| 02/05/1985 | CA1182169A1 Sensing device |
| 01/31/1985 | WO1985000428A1 Electronic metal detector |
| 01/31/1985 | WO1985000427A1 Moisture meter for granular material, particularly for grain |
| 01/29/1985 | US4496931 Moisture permeable electrode in a moisture sensor |
| 01/29/1985 | US4496907 Method and apparatus for non-destructively determining ingredients of a sample |
| 01/29/1985 | US4496906 Liquid conductivity monitor |
| 01/29/1985 | US4496904 Eddy current measurement apparatus for non-destructive testing in the vicinity of a fastener |
| 01/29/1985 | US4496900 Nonlinearity detection using fault-generated second harmonic |
| 01/29/1985 | US4496697 Automatic process control system for curing polymeric material |
| 01/29/1985 | US4496512 Polymer-containing axial bore |
| 01/29/1985 | US4496455 Polarographic sensor and sensing system for determining oxygen content in gases |
| 01/29/1985 | US4496454 High performance liquid chromatography |
| 01/29/1985 | US4496433 Apparatus and method for determining the amount of a sample gas component |
| 01/29/1985 | US4496432 Electrolytic methods for enhancing contrast between metallic surfaces |
| 01/29/1985 | US4495793 Sensing device for detecting the presence of a gas contained in a mixture thereof |
| 01/23/1985 | EP0131945A2 Method for distinguishing particles present in a medium |
| 01/23/1985 | EP0131944A2 Method and device for distinguishing particles present in a medium |
| 01/23/1985 | EP0131731A2 Thin layer gas sensing element for detecting and measuring hydrocarbon pollutants having two or three bonds, particularly acetylene, in air, and a process for its manufacture |
| 01/23/1985 | EP0131606A1 Method and reagent for the differential analysis of isoenzymes of alkaline phosphatase. |
| 01/22/1985 | US4495587 Automatic nondestructive roll defect inspection system |
| 01/22/1985 | US4495466 Eddy current test probe with circumferential Segments and method of testing material surrounding fastener holes |
| 01/22/1985 | US4495465 Method and apparatus for non-destructive testing of magnetically permeable bodies using a first flux to saturate the body and a second flux opposing the first flux to produce a measurable flux |
| 01/22/1985 | US4495279 Isoelectric focussing-polynucleotide/polyacrylamide gel electrophoresis |
| 01/22/1985 | US4495053 Glass around porous ceramic |
| 01/22/1985 | US4495052 Glass around porous ceramic |
| 01/22/1985 | US4495051 Galvanic cell type oxygen sensor |
| 01/22/1985 | US4495050 Reversible redox couple as electrolyte |
| 01/22/1985 | US4494907 Positioning and removal device for a checking means or a tool in a receiver installation |
| 01/22/1985 | US4494399 Toxic gas detection system calibrator |
| 01/22/1985 | US4494374 Air/fuel ratio monitoring system in IC engine using oxygen sensor |
| 01/22/1985 | CA1181487A1 Eddy current tester |
| 01/17/1985 | WO1985000225A1 Apparatus for detecting micro-organisms |
| 01/17/1985 | WO1985000123A1 System to measure geometric and electromagnetic characteristics of objects |
| 01/15/1985 | CA1181034A1 Electrophoresis system for multiple agarose slab gels |
| 01/15/1985 | CA1180918A1 Method of measuring an air to fuel ratio |
| 01/15/1985 | CA1180914A1 Micromechanical chemical sensor |
| 01/09/1985 | EP0130940A1 Inductive sensor device and measuring device for using the same |