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| Number | Title | Issue Date |
| 8152978 | Apparatus and method for measuring hydrogen concentration in molten metals The present invention concerns a probe for measuring hydrogen concentration in molten metals comprising a probe body and a hydrogen sensor. The sensor structure is based on a sensor body having a wall within which a sealed cavity is defined. The cavity contains a so... | 04/10/2012 |
| 7632384 | Multi-functional sensor system for molten salt technologies The present invention relates to a multi-functional sensor system that simultaneously measures cathode and anode electrode potentials, dissolved ion (i.e. oxide) concentration, and temperatures in an electrochemical cell. One embodiment of the invented system genera... | 12/15/2009 |
| 7418882 | Measuring probe A measuring probe is provided for measurement in molten metal, the probe having a measuring head arranged on an immersion end of a carrier tube. A bath contact and at least one sensor for determining a component of the molten metal are arranged on the immersion end.... | 09/02/2008 |
| 7396443 | Solid-state electrochemical hydrogen probe for the measurement of hydrogen content in the molten aluminum An electrochemical gas probe capable of measuring an amount of gas in a molten metal. The probe comprises a sensing unit that includes a reference electrode, a sensing electrode, a solid-state reference mixture adjacent to the reference electrode, and a conductor be... | 07/08/2008 |
| 7335287 | Solid electrolyte sensor for monitoring the concentration of an element in a fluid particularly molten metal The present invention relates to an electrochemical sensor for determining the concentration of a group IA metal in a fluid such as molten metal. The sensor comprises a substantially pure quantity of the group 1A metal as a reference electrode (13) contained ... | 02/26/2008 |
| 7261966 | Apparatus and method for conducting fluid in a fuel cell and fuel cell employing same An apparatus for conducting fluid in a fuel cell. The apparatus includes a unitary gas-impermeable body having, a face having a recessed surface and a wall extending around the recessed surface, the recessed surface and the wall defining a fluid dispersion area. The... | 08/28/2007 |
| 7189468 | Lightweight direct methanol fuel cell A lightweight direct methanol fuel cell unit (20) comprising a fuel cell stack (24) enclosed within a housing (22). In one embodiment the fuel cell stack includes a plurality of polymer electrolyte membrane electrode assemblies (52) stack... | 03/13/2007 |
| 7189315 | Ion sensor and clinical analyzer using the same An ion sensor has a flow path through which a sample flows. An ion-exchange membrane is in contact with the sample in the sample flow path. An internal solution is provided on one side of the ion-exchange membrane. An internal electrode is provided so as to come in ... | 03/13/2007 |
| 7179354 | Electrochemical sensor Disclosed is an electrochemical sensor comprising a work electrode and a reference electrode, said sensor adapted to measure the characteristics of a liquid under test, based on the relative electric potential difference and electric current between the work electro... | 02/20/2007 |
| 7169274 | Measurement device for determining oxygen activity in metal or slag melts A measurement device is provided for determining the oxygen activity in molten metal or slag with a measurement head, which is arranged on one end of a carrier tube and on which an electrochemical measurement cell is arranged. The electrochemical measurement cell ha... | 01/30/2007 |
| 7141151 | Measurement device for determining oxygen activity in molten metal or slag A measurement device is provided for determining the oxygen activity in molten metal or slag with a measurement head, which is arranged at one end of a carrier tube and on which an electrochemical measurement cell is arranged. The electrochemical measurement cell ha... | 11/28/2006 |
| 7131768 | Extended temperature range EMF device A sensor and method of manufacturing an extended temperature range EMF sensor that is cost effective and highly reliable, with a stable EMF output and with an operating range of up to 1700° C. in hostile environments. The sensor is formed of highly stable dispersio... | 11/07/2006 |
| 7045231 | Direct hydrocarbon reforming in protonic ceramic fuel cells by electrolyte steam permeation A process for converting hydrocarbons and water vapor into hydrogen, carbon monoxide, and carbon dioxide; a fuel cell device; and a process of utilizing the fuel cell to convert chemical energy to electrical energy is described. The fuel cell comprises a metallic an... | 05/16/2006 |
| 7026911 | Point contact array, not circuit, and electronic circuit comprising the same A point contact array, including plural point contacts electrically and reversibly controlling conductance between electrodes and being applicable to an arithmetic circuit, a logic circuit, a memory device, a NOT circuit, and an electronic circuit including the same... | 04/11/2006 |
| 7011753 | Microporous filter media, filtration systems containing same, and methods of making and using The invention is directed to a microbiological interception enhanced filter medium, preferably having an adsorbent prefilter located upstream from the filter medium. Preferably, the prefilter is adapted to remove natural organic matter in an influent prior to the in... | 03/14/2006 |
| 7008537 | Microporous filter media, filtration systems containing same, and methods of making and using The invention is directed to a microbiological interception enhanced filter medium, preferably having an adsorbent prefilter located upstream from the filter medium. Preferably, the prefilter is adapted to remove natural organic matter in an influent prior to the in... | 03/07/2006 |
| 6998058 | Microporous filter media, filtration systems containing same, and methods of making and using The invention is directed to a microbiological interception enhanced filter medium, preferably having an adsorbent prefilter located upstream from the filter medium. Preferably, the prefilter is adapted to remove natural organic matter in an influent prior to the in... | 02/14/2006 |
| 6959820 | Microporous filter media, filtration systems containing same, and methods of making and using The invention is directed to a microbiological interception enhanced filter medium, preferably having an adsorbent prefilter located upstream from the filter medium. Preferably, the prefilter is adapted to remove natural organic matter in an influent prior to the in... | 11/01/2005 |
| 6942381 | Molten cryolitic bath probe A method and apparatus for accurately measuring superheat, bath ratio and alumina concentration in an aluminum smelting bath. In one embodiment, a reusable probe determines the bath temperature and bath sample superheat. In other embodiments, the probe also determin... | 09/13/2005 |
| 6913849 | Method of screening compositions for electrocatalytic activity in a gas diffusion electrode A novel process and apparatus to combinatorially screen a large number of discrete compositions for electrocatalytic activity have been developed. The apparatus contains a cell body adjacent to a fluid permeable catalyst array support supporting multiple solids. A c... | 07/05/2005 |
| 6869511 | Ceramic electrochemical corrosion potential sensor probe with increased lifetime A sensor for use in monitoring electrochemical potentials, includes (a) a crucible made of ceramic material having a closed end and an open end, the close end containing metal/metal oxide powder mixture retained therein by mineral insulating packing, the open end ha... | 03/22/2005 |
| 6855238 | Measuring device for determining the oxygen activity in metal melts or slag melts A measuring device for determining the oxygen activity in metal melts or slag melts has a measuring head arranged on the end of a carrier tube, on which head an electrochemical measuring cell is arranged. The electrochemical measuring cell has a solid electrolyte tu... | 02/15/2005 |
| 6846639 | Method for detecting pathogens attached to specific antibodies The use of impedance measurements to detect the presence of pathogens attached to antibody-coated beads. In a fluidic device antibodies are immobilized on a surface of a patterned interdigitated electrode. Pathogens in a sample fluid streaming past the electrode att... | 01/25/2005 |
| 6787368 | Biosensor method for detecting analytes in a liquid A diagnostic method and device for use in detecting or quantitating an analyte present in a liquid sample. The method includes reacting an analyte-containing sample with reagents capable of generating a first coil-forming peptide in solution form. This peptide is th... | 09/07/2004 |
| 6716336 | Sensor for determining the concentration of sulphur compounds in a liquid A sensor for determining the concentration of sulphur compounds in a liquid includes: a working electrode in contact with the liquid to be analyzed; a referenced electrode insulated from the liquid to be analyzed; a liquid-impermeable membrane located between the wo... | 04/06/2004 |
| 6576460 | Filtration-detection device and method of use The present invention relates to a filtration-detection device for detecting or quantifying an analyte in a test sample including a filtration device having a first binding material immobilized thereto, wherein the first binding material is capable of bin... | 06/10/2003 |
| 6527943 | Fuel cell concentration sensor The measuring range of a fuel cell based concentration sensor can be extended by decreasing the load across the fuel cell terminals and by increasing the amount of oxidant supplied to the fuel cell. In this way, such a sensor avoids saturation, for exampl... | 03/04/2003 |
| 6514394 | Sensor for application in molten metals An electrochemical sensor to measure the activity of a metallic component in a molten metal, comprising the molten metal as the measuring electrode, a reference electrode containing the metallic component to be measured, separated from each other by a liq... | 02/04/2003 |
| 6509148 | Method for fabricating biosensors using hydrophilic polyurethane Disclosed is a method for fabricating biosensors, using hydrophilic polyurethane. Bio-active reagents, including enzymes, antibodies, antigens, cells and receptors, are mixed with hydrophilic polyurethane and the mixture is directly coated over a signal t... | 01/21/2003 |
| 6488837 | Methanol sensor operated in a passive mode A sensor outputs a signal related to a concentration of methanol in an aqueous solution adjacent the sensor. A membrane electrode assembly (MEA) is included with an anode side and a cathode side. An anode current collector supports the anode side of the M... | 12/03/2002 |
| 6464940 | pH sensor and pH measurement method employing the same A pH sensor is provided capable of readily determining the pH of a solution of a small amount. The pH sensor includes a semiconductor substrate, an oxide film provided on the semiconductor substrate, a solution storage part for holding a solution on the o... | 10/15/2002 |
| 6420168 | Histamine measuring apparatus and a histamine measuring method Histamine may be quantitatively measured by performing the following steps. First, an oocyte that expresses histamine receptors is held in a recess formed at the bottom of a vessel. Then, first and second electrodes are inserted into the oocyte. Subsequen... | 07/16/2002 |
| 6347543 | Measuring sensor and method for its fabrication A measuring sensor, in particular, for determining the oxygen content in exhaust gases of internal combustion engines, includes a ceramic molding arranged in a metal housing for the accommodation of a sensor element, in particular, planar, the sensor elem... | 02/19/2002 |
| 6338960 | Histamine measuring apparatus and a histamine measuring method Histamine may be quantitatively measured by performing the following steps. First, an oocyte that expresses histamine receptors is held in a recess formed at the bottom of a vessel. Then, first and second electrodes are inserted into the oocyte. Subsequen... | 01/15/2002 |
| 6337178 | Histamine measuring apparatus and a histamine measuring method Histamine may be quantitatively measured by performing the following steps. First, an oocyte that expresses histamine receptors is held in a recess formed at the bottom of a vessel. Then, first and second electrodes are inserted into the oocyte. Subsequen... | 01/08/2002 |
| 6329194 | Histamine measuring apparatus and a histamine measuring method Histamine may be quantitatively measured by performing the following steps. First, an oocyte that expresses histamine receptors is held in a recess formed at the bottom of a vessel. Then, first and second electrodes are inserted into the oocyte. Subsequen... | 12/11/2001 |
| 6329154 | Histamine measuring apparatus and a histamine measuring method Histamine may be quantitatively measured by performing the following steps. First, an oocyte that expresses histamine receptors is held in a recess formed at the bottom of a vessel. Then, first and second electrodes are inserted into the oocyte. Subsequen... | 12/11/2001 |
| 6328867 | Sensors for measuring the solute contents of liquid ferrous and non-ferrous metals An electrochemical field probe for measuring solute concentrations of elements dissolved in a liquid, such as a molten metal bath, generally including a base having a first end, a second end, an external surface, and extending about a longitudinal axis, a... | 12/11/2001 |
| 6322680 | Universal ion-selective meter The proposed multipurpose ion-selective sensor is designed to be operational in any spatial position in harsh environment and incorporates a housing tube (1) where a number of elements are fixed and electrically connected to a measurement transmitter; the... | 11/27/2001 |
| 6306285 | Techniques for sensing methanol concentration in aqueous environments An analyte concentration sensor that is capable of fast and reliable sensing of analyte concentration in aqueous environments with high concentrations of the analyte. Preferably, the present invention is a methanol concentration sensor device coupled to a... | 10/23/2001 |
