Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839) |
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09/06/1994 | US5343758 Method and apparatus for measuring gas flow |
09/06/1994 | US5343746 Humidity sensing apparatus |
09/06/1994 | US5343735 Apparatus for accurately measuring the water content of gases |
09/06/1994 | CA2060314C Low electroendosmosis agarose |
09/01/1994 | WO1994019688A1 Method and apparatus for predicting end-of-life of a consumable in a fluid purification system |
09/01/1994 | WO1994019685A1 Electrochemical sensor cartridge |
09/01/1994 | WO1994019684A1 Portable immediate response medical analyzer |
09/01/1994 | WO1994019683A1 Disposable electrochemical measurement cartridge |
09/01/1994 | WO1994019673A1 Methods and devices for electrochemically determining metal fatigue status |
09/01/1994 | WO1994019593A1 Combination of lambda sensors |
09/01/1994 | WO1994019515A1 Glassy carbon containing metal particles |
09/01/1994 | WO1994019514A1 Single use separation cartridge for a capillary electrophoresis instrument |
09/01/1994 | DE4305930A1 Solid-electrolyte sensor for measuring gaseous anhydrides |
09/01/1994 | CA2144529A1 Single use separation cartridge for a capillary electrophoresis instrument |
08/31/1994 | EP0613171A1 Mass spectrometer for mass discrimination according to the time of flight |
08/31/1994 | EP0613130A1 Carbon material originating from graphite and method of producing same |
08/31/1994 | EP0613002A2 Method and apparatus for taking and preparing samples for capillary electrophoresis |
08/31/1994 | EP0613001A1 Method for measuring the pH of a solution using glass electrodes with simultaneous calibration of the electrodes |
08/31/1994 | EP0612994A2 Matrix for matrix-assisted laser desorption mass spectroscopy |
08/31/1994 | EP0521043B1 Automatic polyelectrolyte determining device |
08/31/1994 | EP0397799B1 A piezoelectric motion transducer and an integrated scanning tunneling microscope using the same |
08/30/1994 | USRE34708 Scanning ion conductance microscope |
08/30/1994 | US5343156 IC for producing an output voltage related to fuel composition in a capacitive fuel sensor |
08/30/1994 | US5343146 Combination coating thickness gauge using a magnetic flux density sensor and an eddy current search coil |
08/30/1994 | US5342701 Transition metal oxide films and gas sensors thereof |
08/30/1994 | US5342692 Solid support with addition polymerized surfactant monolayer having polymer strands in ordered array coated thereon; determination of protein structure |
08/30/1994 | US5342580 Uses volumetric method by governing pressure, temperature and rate of flow |
08/30/1994 | US5342499 Monitoring and control of process streams at elevated temperatures |
08/30/1994 | US5342497 Electrophoresis system |
08/30/1994 | US5342492 Supplying voltage to separation capillary in an electrophoretic system |
08/30/1994 | US5342490 Measuring potential produced from oxidizable sulfur compound and coating on electrode of metal porphyrins |
08/30/1994 | US5342489 Melting specific metal with slag, measuring oxygen activity of metal, correlating to slag |
08/30/1994 | US5341678 Method for determining thickness of ferromagnetic material deposition on nuclear fuel rods |
08/30/1994 | US5341673 Method and device for monitoring of moisture in soil |
08/30/1994 | CA1331792C Halogen monitoring apparatus |
08/25/1994 | DE4405251A1 Method for processing electrophoretic data |
08/25/1994 | DE4328966C1 Method for determining the degree of spoilage of oils or fats for deep-frying or frying foods |
08/25/1994 | DE4304966A1 Device for determining lambda values |
08/24/1994 | EP0611827A1 Substrate sensitive membrane having thin metal film layer and enzyme electrode using the same |
08/24/1994 | EP0506668B1 Process and device for monitoring the operation of a probe heating installation |
08/24/1994 | EP0408617B1 Sensor for verification of genuineness of security paper |
08/24/1994 | CN1025759C Low consumed power catalytic fuel gas sensor |
08/23/1994 | US5341193 Method and apparatus for sensing magnetic signal strength of xerographically developed toner images for closed loop control of magnetic printing |
08/23/1994 | US5341103 Apparatus for simultaneously generating and measuring a triboelectric charge |
08/23/1994 | US5341102 Electromagnetic induction-type conductivity meter with improved calibration with auxiliary circuit |
08/23/1994 | US5340983 Method and apparatus for mass analysis using slow monochromatic electrons |
08/23/1994 | US5340462 Air-fuel ratio sensor |
08/23/1994 | US5340461 Separating large quantities; slab-type electrophoretic analysis |
08/23/1994 | US5340453 Using aminonaphthalenesulfonic acid as fluorescent label |
08/23/1994 | US5340452 A separator having a particular material which immobilizing the analytes and releasing by electrodialysis |
08/23/1994 | US5340449 Separation of proteins, nucleic acids from solid phase matrix and membrane in an electric field |
08/23/1994 | US5339675 Apparatus for monitoring impurities in a gas stream |
08/23/1994 | US5339672 Monitoring of gas dissolved in oil |
08/23/1994 | US5339671 Calibration cuvette |
08/18/1994 | WO1994018575A1 Horizontal eddy current sensor |
08/18/1994 | WO1994018555A1 Sequential ion chromatography and conversion system |
08/18/1994 | WO1994018553A1 Solid electrolyte sensor with integrated heater |
08/18/1994 | WO1994018552A1 Multiplexed fluorescence detector system for capillary electrophoresis |
08/18/1994 | WO1994018551A1 Gas sensing devices |
08/18/1994 | WO1994018541A1 Process and apparatus for positioning a probe in a flame for measurement of compounds combusted in the flame |
08/18/1994 | DE4314888C1 Method for depositing a total surface (covering) layer through a mask and optional closure of this mask |
08/17/1994 | EP0610884A1 Oxygen concentration sensor |
08/17/1994 | EP0610419A1 Process and capillary columns for separating enantiomers. |
08/17/1994 | EP0610376A1 Electrochemical detector cell, method and pyrolysis furnace |
08/17/1994 | EP0610332A1 Cation-selective polymeric electrodes. |
08/17/1994 | EP0610331A1 Circuit assembly and method for electrical eddy-current testing |
08/17/1994 | EP0610200A1 Streaming potential measuring cell |
08/17/1994 | EP0418355B1 Process for immobilizing proteins, peptides, coenzymes, etc. on a substrate |
08/17/1994 | CN2174706Y Neutral carrier membrane pH electrode |
08/17/1994 | CN2174705Y Combined electrode |
08/17/1994 | CN2174704Y Salt bridge for micro carrier sample |
08/17/1994 | CN2174703Y Automatic determining instrument for mixing homogeneous degree of fodder |
08/16/1994 | US5339256 Expert system for analyzing eddy current measurements |
08/16/1994 | US5339254 Instrument for determining the stability of fat or oil |
08/16/1994 | US5339025 Method for determining the granular nature of superconductors using pulsed current |
08/16/1994 | US5338931 Photoionization ion mobility spectrometer |
08/16/1994 | US5338623 With conductive interconnecting structures electrically connecting anode of one cell to cathode of adjacent cell and gas-tight seal positioned between interconnect and cells |
08/16/1994 | US5338435 Portable analyzer with hydrating fluid electrically isolated from electric circuitry of substrate and attachment means |
08/16/1994 | US5338431 Oxygen concentration detecting apparatus |
08/16/1994 | US5338430 Nanostructured electrode membranes |
08/16/1994 | US5338429 Electrochemical toxic gas sensor |
08/16/1994 | US5338428 Poly(N-Acylalkylenimine) electrophoresis support media |
08/16/1994 | US5338427 Single use separation cartridge for a capillary electrophoresis instrument |
08/16/1994 | US5338426 Horizontal polyacrylamide gel electrophoresis |
08/16/1994 | US5338390 Two conductive electrodes positioned on opposite sides of wafer in etchant bath; monitoring impedance |
08/16/1994 | US5338375 Use of iron salts as corrosion inhibitors in titanium vessels |
08/16/1994 | US5337605 Enclosure for humidity sensing element |
08/14/1994 | CA2114911A1 Substrate sensitive membrane having thin metal film layer and enzyme electrode using the same |
08/11/1994 | DE4401793A1 Ceramic heater and method for its production |
08/11/1994 | DE4303446A1 Double-segment conical electrode |
08/10/1994 | EP0609763A2 PH-glasselectrode |
08/10/1994 | EP0609760A1 Electrochemical measurement system with snap-off sensor zones for the determination of glucose |
08/10/1994 | EP0609495A2 Method and apparatus for monitoring the presence of a gas |
08/10/1994 | EP0609334A1 SELF DIAGNOSTIC pH SENSOR |
08/10/1994 | EP0609326A1 INSULATED CORE ELECTRODE FOR pH SENSOR |
08/10/1994 | EP0609316A1 Sensing gaseous substances. |
08/10/1994 | EP0451209B1 Arrangement for detecting metallic particles carried by a fluid |
08/10/1994 | EP0303694B1 Improved electrochemical sensor |
08/10/1994 | CN2173958Y Milk tester |
08/09/1994 | US5337353 Capacitive proximity sensors |