| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 09/19/1989 | US4868491 Apparatus for monitoring the moisture content of hay as it is being formed into a bale |
| 09/19/1989 | US4868386 Method and apparatus for measuring radon content in the air |
| 09/19/1989 | US4868127 Instrument for measurement of the organic carbon content of water |
| 09/19/1989 | US4867947 Endless belts |
| 09/19/1989 | US4867860 Method of manufacturing ion-selective electrodes for analyzing selected ions in solution |
| 09/19/1989 | US4867855 Method and apparatus for separating complex mixtures of bio-organic materials |
| 09/19/1989 | CA1259710A1 Kinematic arrangement for the micro-movements of objects |
| 09/19/1989 | CA1259709A1 Apparatus and method for applying a dissolved sample from a liquid chromatograph to a chemical ionization mass spectrometer |
| 09/19/1989 | CA1259657A1 Complete glucose monitoring system with an implantable, telemetered sensor module |
| 09/13/1989 | EP0332125A2 Controlled-growth mercury drop electrode |
| 09/13/1989 | EP0332110A2 Method for measurement of viscosity change in blood or blood plasma and sensor therefor |
| 09/13/1989 | EP0332048A2 Multiple coil eddy current probe and method of flaw detection |
| 09/13/1989 | EP0331696A1 Noise reduction technique for electrochemical cells |
| 09/13/1989 | CN2044349U High stable ionic or biologic tester |
| 09/12/1989 | US4866383 Method and apparatus having load cell responsive to movement of a magnetic field generator for differentiating between materials |
| 09/12/1989 | US4866278 Gas chromatography |
| 09/12/1989 | US4866270 Method and apparatus for the determination of isotopic composition |
| 09/12/1989 | US4866267 Double-focusing mass spectrometer having Wien filter and MS/MS instrument using such spectrometer |
| 09/12/1989 | US4865995 Method for measuring a concentration of saccharides having a low molecular weight and sensor for measuring the same |
| 09/12/1989 | US4865717 Electrochemical micro sensor |
| 09/12/1989 | US4865716 Sensor arrangements |
| 09/12/1989 | US4865715 Electrophoresis device with near-vertical gel plates |
| 09/12/1989 | US4865714 Electrophoretic gel cooled cell |
| 09/12/1989 | US4865707 Hydrophilic polymer within crosslinking polymer gel filling |
| 09/12/1989 | US4865706 High performance microcapillary gel electrophoresis |
| 09/12/1989 | US4865698 Reference solution for measuring ionic activity |
| 09/12/1989 | US4865090 Vial holder |
| 09/12/1989 | US4864850 Method and apparatus for continuously monitoring the moisture content of a material |
| 09/12/1989 | CA1259374A1 Capacitive sensor for chemical analysis and measurement |
| 09/08/1989 | WO1989008250A1 Automated eddy current metal hardness measurement system |
| 09/08/1989 | WO1989008249A1 Electrochemical gas sensor |
| 09/08/1989 | WO1989008100A1 Polyacrylamide gels for improved detection of proteins |
| 09/08/1989 | WO1989007259A3 Integrated scanning tunneling microscope |
| 09/08/1989 | WO1989007258A3 Integrated scanning tunneling microscope |
| 09/07/1989 | DE3906885A1 Image generating device |
| 09/06/1989 | EP0331513A2 Oxygen sensor and method of producing the same |
| 09/06/1989 | EP0331148A2 Microscope apparatus |
| 09/06/1989 | EP0331050A2 Oxygen concentration-detecting apparatus |
| 09/06/1989 | EP0330897A2 Apparatus for determining base sequence of nucleic acid |
| 09/06/1989 | EP0330775A1 Oxygen-sensing element |
| 09/06/1989 | EP0176544B1 Investigation of condition of biological particles |
| 09/06/1989 | CN2044072U Oscillograph polarographi electrolyzzer signal amplifier |
| 09/06/1989 | CN2044071U Quiver-proof alcohol sensitive current breaker |
| 09/06/1989 | CN1035358A Method of analyzing chromatograph of organic compounds and opparatus for performing this method |
| 09/05/1989 | US4864462 Capacitive gas detector having a solid rare earth fluoride dielectric |
| 09/05/1989 | US4864239 Cylindrical bearing inspection |
| 09/05/1989 | US4864236 Wire inhomogeneity detector having a core with opposing pole pieces and guide pieces adjacent the opposing pole pieces |
| 09/05/1989 | US4864235 Phase-selective monitoring via vector transformation |
| 09/05/1989 | US4864234 Transducers and method for making same |
| 09/05/1989 | US4864233 Magnetic detection of air gaps formed at breaks in conveyor belt cards |
| 09/05/1989 | US4864229 Method and apparatus for testing chemical and ionic sensors |
| 09/05/1989 | US4863873 Method for biological testing and/or developing pharmaceuticals for treatment of disorders |
| 09/05/1989 | US4863813 Primary source of electrical energy using a mixture of fuel and oxidizer |
| 09/05/1989 | US4863647 Process for preparation of electrophoresis gel material |
| 09/05/1989 | US4863584 Apparatus for sensing air-fuel ratio |
| 09/05/1989 | US4863583 Electrode structure of an oxygen sensing element |
| 09/05/1989 | US4863582 Process and apparatus for purifying and concentrating DNA from crude mixtures containing DNA |
| 09/05/1989 | US4863574 Method of manufacturing a film of polyparaphenylene and applications of the resulting polyparaphenylene film |
| 09/05/1989 | US4863491 Interface for liquid chromatography-mass spectrometry systems |
| 09/05/1989 | US4863039 Apparatus and method for handling a flexible disk for testing |
| 09/04/1989 | EP0281555A4 Composite electrodes for use in solid electrolyte devices. |
| 08/31/1989 | DE3820405A1 Measured value transmitter device |
| 08/30/1989 | EP0330460A2 Polyacrylamide gels for improved detection of proteins |
| 08/30/1989 | EP0330377A2 A moisture-sensing hygrometric element, and a method for its manufacture |
| 08/30/1989 | EP0330249A2 Solid-state sensor for determining the concentration of hydrogen with a solid-state reference electrode and method for producing such a sensor |
| 08/30/1989 | EP0330248A2 Solid-state sensor for determining the concentration of a gas |
| 08/30/1989 | EP0330120A2 Fluorescence detection type electrophoresis apparatus |
| 08/30/1989 | EP0329894A2 Low resistance fuel electrodes |
| 08/30/1989 | EP0329781A1 Magnetic bridge devices |
| 08/30/1989 | CN2043757U 裂纹监测器 Crack Monitor |
| 08/30/1989 | CN1035207A Sensitive element of combustible gas |
| 08/29/1989 | US4862146 Detection apparatus |
| 08/29/1989 | US4862092 Apparatus and method for in vitro detection of abnormal tissues |
| 08/29/1989 | US4862088 Remote locating of a structure and remote measurement of conditions therein |
| 08/29/1989 | US4862066 Electrical conductors separated by porous stretched polytetra-fluoroethylene containing carbon particles; durability |
| 08/29/1989 | US4862065 On-line web internal resistivity measuring apparatus |
| 08/29/1989 | US4862062 Glass container inspection machine |
| 08/29/1989 | US4862060 Microwave apparatus for measuring fluid mixtures |
| 08/29/1989 | US4861557 Combustible gas detector through use of reaction control block |
| 08/29/1989 | US4861456 Electrochemical device |
| 08/29/1989 | US4861455 Electrode membrane |
| 08/29/1989 | US4861454 Oxygen sensor |
| 08/29/1989 | US4861453 Corrosion detecting probe for steel buried in concrete |
| 08/29/1989 | US4861448 Electrophoretic methods employing gel inserts |
| 08/29/1989 | US4861411 Slots for loading samples |
| 08/29/1989 | US4861167 Line-heat-source thermal conductivity measuring system |
| 08/29/1989 | US4860712 Method of controlling an oxygen concentration sensor |
| 08/29/1989 | US4860603 Convection cooling probe mounting jacket |
| 08/29/1989 | US4860584 Composite moisture sensing apparatus and method |
| 08/29/1989 | US4860574 Paramagnetic oxygen analyzer |
| 08/24/1989 | WO1989007758A1 Reference electrode |
| 08/24/1989 | WO1989007755A1 Method and system for measuring the corrosion properties of specimens |
| 08/24/1989 | DE3804486A1 Transformation element for an arrangement to measure the concentrations in gas and material mixtures by using sensor elements with non-linear characteristic curves |
| 08/23/1989 | EP0329458A2 Method and apparatus for the measurement of analyte substances |
| 08/23/1989 | EP0329436A2 Moisture and dew-detection sensor |
| 08/23/1989 | EP0329341A2 Capillary electrophoresis |
| 08/23/1989 | EP0329322A2 Sensing of vapours |
| 08/23/1989 | EP0328640A1 Combustible gas sensor |
| 08/23/1989 | EP0328579A1 High resolution electrophoretic gel and method for separating serum proteins |
| 08/23/1989 | CN2043361U Mineral thermoelectric potential measuring device |