| Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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| 09/14/1993 | US5245192 Selective ionization apparatus and methods |
| 09/14/1993 | US5245187 Microtip, process for preparation thereof, surface-observing apparatus and information-treating apparatus employing the same |
| 09/14/1993 | US5245185 Interface device and process to couple planar electrophoresis with spectroscopic methods of detection |
| 09/14/1993 | US5244814 Decay detection in wood |
| 09/14/1993 | US5244799 Preparation of a polymeric hydrogel containing micropores and macropores for use as a cell culture substrate |
| 09/14/1993 | US5244561 Process and apparatus for the electrochemical determination of pco2 in blood |
| 09/14/1993 | US5244560 Method of fabrication for capillary electrophoresis and electrochemical detector for the same |
| 09/14/1993 | US5243984 Method and apparatus for determining biocurrent distribution within subject |
| 09/14/1993 | CA1322221C Automated capillary electrophoresis apparatus |
| 09/14/1993 | CA1322219C Primary source of electrical energy using a mixture of fuel and oxidizer |
| 09/12/1993 | CA2091414A1 Device and method for monitoring and locating defects in, and detachment of, the protective covering of underground or immersed metal structures or pipelines |
| 09/09/1993 | DE4207355A1 Reliable in situ calibration of ion-sensitive electrodes - by placing in soln., taking measurement, passing calibrating fluid through, stopping flow and continuing pH measurement |
| 09/08/1993 | EP0559089A1 Reagent gas flow control for an ion trap mass spectrometer used in the chemical ionization mode |
| 09/08/1993 | EP0559015A1 Method and device for checking without direct contact the degree of filling of the ends of cigarettes |
| 09/08/1993 | EP0558972A2 Differential dielectric analyzer |
| 09/08/1993 | EP0558862A1 Method and apparatus for measuring the relative moisture of equilibrium of a product |
| 09/08/1993 | EP0558742A1 Electrophoresis with chemically suppressed detection |
| 09/08/1993 | EP0558565A1 Mosaic microcolumns, slabs, and separation media for electrophoresis and chromatography |
| 09/08/1993 | EP0558488A1 Method and apparatus for testing a proctective barrier material for pinholes and tear strength |
| 09/08/1993 | EP0386119A4 Microelectrochemical devices and method of detecting |
| 09/08/1993 | CN2141899Y Powder mass resistivity measurer |
| 09/07/1993 | US5243516 Biosensing instrument and method |
| 09/07/1993 | US5243128 Sewer cleaning apparatus |
| 09/07/1993 | US5243037 Compounds for medical diagnosis and biosensors |
| 09/07/1993 | US5242796 Method, system and reagents for DNA sequencing |
| 09/07/1993 | US5242793 Crosslinked reaction product of albumin, croslinking agent, and chitosans; environment, food and medical analysis |
| 09/07/1993 | US5242573 Method of making air/fuel ratio sensor |
| 09/07/1993 | US5242568 Electrophoresis apparatus |
| 09/07/1993 | US5242567 Fluorescent pattern reading apparatus |
| 09/07/1993 | US5242541 Method of producing ultrafine silicon tips for the afm/stm profilometry |
| 09/07/1993 | US5241851 Method of performing an instantaneous moisture concentration measurement and for determining the drydown characteristics of an environment |
| 09/02/1993 | WO1993017325A1 Capillary array confocal fluorescence scanner and method |
| 09/02/1993 | WO1993017152A1 Construction of microelectrode arrays |
| 09/02/1993 | WO1993016789A1 Electrophoresis and electrophoresis optimization methods and apparatus therefor |
| 09/02/1993 | DE4207845C1 Seal housing for process retractable analytical electrodes - allowing on=line leakage-free access to electrodes or housing seals |
| 09/02/1993 | DE3744874C2 Automated pipettes drop samples on porous strip |
| 09/01/1993 | EP0558233A1 Improved electrophoretic analysis method and apparatus |
| 09/01/1993 | EP0557930A1 Device for electrochemical measurements in aqueous liquids |
| 09/01/1993 | EP0557709A1 Optical information processor |
| 09/01/1993 | EP0557642A2 Method of measuring diacetyl in processed drinks and foods |
| 09/01/1993 | EP0557488A1 Apparatus for checking the contamination condition of electric insulators. |
| 09/01/1993 | EP0557327A1 Measuring instrument for determining the alcohol content of a mixture. |
| 09/01/1993 | EP0308420B1 Method for detection of alien matter contents in gases |
| 09/01/1993 | CN1075800A Method and equipment for checking leaching resistance of material |
| 08/31/1993 | US5241301 Device and method for real-time monitoring of accidental damage to the protective covering of underground or immersed metal structures or pipelines |
| 08/31/1993 | US5241276 Surface potential measuring system |
| 08/31/1993 | US5241269 Apparatus and method for measuring hysteresis characteristics in a high frequency range |
| 08/31/1993 | US5240762 Organic thin film element |
| 08/31/1993 | US5240586 Coated on a sensor; exposure; removal of non-exposed areas |
| 08/31/1993 | US5240585 Conductive bridge for external control of electroosmotic flow |
| 08/31/1993 | US5240578 Capillary electrophoresis system and method |
| 08/31/1993 | US5240577 Two-dimensional high-performance liquid chromatography/capillary electrophoresis |
| 08/31/1993 | US5240576 Automated control system of temperature, pH, mobility |
| 08/31/1993 | US5240573 Phosphate selective composition and electrode |
| 08/31/1993 | US5240571 Electrochemically |
| 08/26/1993 | WO1993016788A1 Process for electroelution of a gel containing separated charged macromolecules, such as proteins or dna/rna, and an apparatus and means for use in the process |
| 08/25/1993 | EP0556614A1 Method and apparatus for isotopic analysis |
| 08/25/1993 | EP0556558A2 Electrochemical measuring cell for the determination of ammonia, amines, hydrazine and hydrazine derivatives |
| 08/25/1993 | EP0556557A1 Method and manufacture of a protection against wear of ultrasonic transducers |
| 08/25/1993 | CN2141084Y Automatic alkalimeter |
| 08/24/1993 | US5239483 Detection of chemicals |
| 08/24/1993 | US5239360 Lens for capillary electrophoresis and chromatography |
| 08/24/1993 | US5239268 Concrete sensor for sensing fresh concrete |
| 08/24/1993 | US5239258 Freshness and stability test using oxidative degradation |
| 08/24/1993 | US5239257 Measuring probe for amperometric determination of gases and/or nonionic compounds contained in a measured medium |
| 08/24/1993 | US5238853 Process and apparatus for the electrochemical determination of oxygen in a blood gas analyzer |
| 08/24/1993 | US5238845 Method for producing a co2 calibration liquid |
| 08/24/1993 | US5238729 Sensors based on nanosstructured composite films |
| 08/24/1993 | US5238651 Plate holder for supporting gel plate, guides for positioning, frame for plate holder with hand supports |
| 08/24/1993 | US5238553 Reference electrode assembly and process for constructing |
| 08/24/1993 | US5238552 Oxygen sensor |
| 08/24/1993 | US5238551 Oxygen sensor |
| 08/24/1993 | US5238549 Ion-conducting solid electrolyte; counterposed electrodes; dielectric and diffusion-resistant layers with differing porosities |
| 08/24/1993 | US5238548 Ionophore covalently bonded to membrane |
| 08/24/1993 | US5238545 Electrophoretic gel for separation and recovery of substances and its use |
| 08/24/1993 | US5237818 Conversion efficiency measuring apparatus of catalyst used for exhaust gas purification of internal combustion engine and the method of the same |
| 08/24/1993 | CA1321618C Sensor for determining relative amount of oxygen containing gas in a gas mixture |
| 08/19/1993 | WO1993016481A1 Capacitance humidity sensor |
| 08/19/1993 | WO1993016383A1 Methods of analysis |
| 08/19/1993 | WO1993016379A1 Housing for gas sensors |
| 08/19/1993 | WO1993016378A1 Method and electrode device for electrochemical stripping analysis |
| 08/19/1993 | WO1993016377A1 Humidity sensor and its manufacture |
| 08/19/1993 | WO1993016376A1 Multiple k factor, selectable gas detector |
| 08/19/1993 | WO1993015651A1 Acrylic copolymer membranes for biosensors |
| 08/19/1993 | DE4204850A1 Gehaeuse fuer einen gassensor Housing for a gas sensor |
| 08/19/1993 | CA2128321A1 Capacitance humidity sensor |
| 08/18/1993 | EP0555962A2 Ion chromatography system using electrochemical suppression and detector effluent recycle |
| 08/18/1993 | EP0526559A4 Reaction control and solids characterization device |
| 08/18/1993 | CN2140524Y 氨电极 Ammonia Electrode |
| 08/17/1993 | US5237271 Apparatus and method for non-destructive testing using multi-frequency eddy currents |
| 08/17/1993 | US5237270 Ferromagnetic eddy current probe having eccentric magnetization for detecting anomalies in a tube |
| 08/17/1993 | US5237266 Process and apparatus for determining the carrier concentration in semiconductors |
| 08/17/1993 | US5237175 Reagent gas control for an ion trap mass spectrometer used in the chemical ionization mode |
| 08/17/1993 | US5236571 Electrode and method for measuring levelling power |
| 08/17/1993 | US5236570 Anionic exchange material in a plasticized polymer matrix |
| 08/17/1993 | US5236569 Air/fuel ratio sensor having resistor for limiting leak current from pumping cell to sensing cell |
| 08/17/1993 | US5236568 Apparatus for determining the ph of liquids |
| 08/17/1993 | US5235847 Arrangement for detection of leakage or weak points in a package moveable continuously relative to the arrangement |
| 08/17/1993 | US5235844 Transducer |
| 08/12/1993 | WO1993016380A1 Method and apparatus for discontinuity detection in magnetisable material |