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| Number | Title | Issue Date |
| 7704748 | Gas analyzer for measuring the flammability of mixtures of combustible gases and oxygen A novel Flame Temperature Analyzer (FTA) method and apparatus for measuring combustible gas concentration and oxygen content in a sample gas includes supplying a mixture of oxidant and fuel to a sensing flame and measuring the temperature of the flame as the sample ... | 04/27/2010 |
| 7300215 | Light transceiver module A light transceiver module is designed for electronic devices. It forms an electric connection with the electric connector of the electronic device. The light transceiver module contains a base, a light-emitting device for providing optical signals, a light-receivin... | 11/27/2007 |
| 7255834 | Method and devices for improving the dynamic flash combustion reaction connected with gas chromatography for the elemental analysis of C H N S O A method and device are provided for dynamic flash combustion reaction connected with gas chromatography for the elemental analysis of C H N S O in an automatic elemental analyzer. A combustion reactor is provided with a sampling device and an oxygen feed line. Cont... | 08/14/2007 |
| 7223607 | Process and device for the detection of hydrocarbons in a gas The invention relates to a process for the detection of hydrocarbons other than methane in a gas predominantly or essentially comprising oxygen, as well as methane and the said hydrocarbons other than methane, the said process comprising: ... | 05/29/2007 |
| 7212410 | Actuator for small form-factor pluggable transceiver A transceiver module has an interface surface and is received within a cage. The cage has a cage latch that retains the transceiver module. The transceiver module has a ramp, an actuator and a release handle. The ramp is located on the interface surface of the trans... | 05/01/2007 |
| 7189373 | Carbon monoxide removal from reformate gas Carbon monoxide contained in reformate gas is removed by a preferential oxidation reaction in a catalyst, two preferential oxidation reactors (20A, 20B) being disposed in series. Valves (7, 8) supply air containing oxygen as an oxidizing agent i... | 03/13/2007 |
| 7094608 | Method for measuring lanthanide content dissolved in uranium oxide The present invention relates to a method for measuring the content of Lanthanides dissolved in uranium oxide, wherein the Lanthanides content in the nuclear fuel pellet is measured using the thermo gravimetric analysis which measures the weight variation caused by ... | 08/22/2006 |
| 7018845 | Method for staged oxidation for enhanced nitrogen and sulfur detection A more efficient method for combustion or oxidation of samples containing nitrogen, phosphorus and/or sulfur to their corresponding oxides is disclosed, where method uses multi-staged addition of an oxidizing agent to enhance oxidation and liberation of nitrogen, ph... | 03/28/2006 |
| 6960477 | Closed heat-decomposing appliance, pretreatment method of sample using it, analytical method and device therefor Disclosed are a closed heat-decomposing appliance comprising a heating section with one side closed and other side having common ground portion, screw portion or O-ring-mounted portion and a closed introducing section that allows to connect to this heating section a... | 11/01/2005 |
| 6945809 | Package with lock mechanism A package with lock mechanism has: a package body to be slidably inserted into a cage and to be releasably locked by the cage; a slide member that is slidably attached to the package body, the slide member allowing the package body to be released from the locking by... | 09/20/2005 |
| 6867047 | Method and apparatus for preventing nitrogen interference in pyro-electrochemical methods Methods and apparatus are described for preventing nitrogen interference in the detection of a substance. In particular, it relates to new methods and apparatus for preventing interference due to nitrogen in pyro-electrochemical methods for measuring substances, for... | 03/15/2005 |
| 6855558 | Package with locking mechanism A package with a locking mechanism provided with a package main body to be inserted into and removed from a cage and locked fastenably and releasably with the cage, a locking-dislocking mechanism for locking and dislocking the package main body with the cage, and an... | 02/15/2005 |
| 6780378 | Method for measuring concentrations of gases and vapors using controlled flames A method and apparatus for measuring the concentration of at least one gaseous component and/or vaporous component of a gaseous mixture in which a controlled sensor flame is introduced into the gaseous mixture and at least one narrow spectral band in the controlled ... | 08/24/2004 |
| 6773925 | Detector agent for halogen compounds and method for detecting halogen compounds There are provided a detector agent which is effectively discolored at a lower concentration for various halogen compounds and a method for detecting halogen compounds by use of said detector agent. A detector agent for halogen compounds, which contains curcu... | 08/10/2004 |
| 6762834 | Element analyzer An element analyzer D comprises a combustion section 1 for burning a sample S, a sample injection member 2 for injecting the sample S into the combustion section 1, and a detection section 29 for measuring a gasified sample formed by burn... | 07/13/2004 |
| 6653143 | Process and device of elemental analysis Elemental analysis of a sample is carried out in an oxygen atmosphere in a combustion reactor and the volume of oxygen required for analysis is determined by means of the algorithm... | 11/25/2003 |
| 6627155 | Combustion furnace system for analyzing elements in a sample The present invention discloses a system for analyzing elements contained in a sample in very slight amounts, such as C, S, O, N, H and the like in materials, such as steel and ceramics. An element analyzer can gasify the sample elements in an appropriate... | 09/30/2003 |
| 6623974 | Method and apparatus for the analysis of a liquid carrying a suspension of organic matter The invention provides an ozone hydroxy radical analysis method for a liquid carrying a suspension of organic matter. The analyser includes a reactor vessel 2 having sample inlets and outlets 3 and 4 respectively for a liquid stream 5. The reactor vessel ... | 09/23/2003 |
| 6623976 | Combustibility monitor and monitoring method An apparatus (1) for determining the concentration of a critical first component, such as hydrogen, of an atmosphere or environment (E), wherein the first component is capable of forming a combustible mixture with a second component, such as oxygen; the a... | 09/23/2003 |
| 6566142 | Laboratory test for assessing the tendency of a gasoline, optionally containing an additive, to cause deposits while the engine is running A new laboratory test for evaluating the tendency of a gasoline, which may contain additives, to produce deposits during running of an engine involves the following steps: a tube is placed in the injector oven of a gas chromatograph; said tube is kept at ... | 05/20/2003 |
| 6516654 | Apparatus and method for analyzing particulate matter in gas and apparatus and method for carbon differentiating The present invention provides a method for analyzing particulate matter in a gas for analyzing simply and with high precision the particulate matter in an engine emission and an apparatus therefor by which dry soot, SOF and sulfate in PM contained in an ... | 02/11/2003 |
| 6511850 | Pneumatic nebulizing interface to convert an analyte-containing fluid stream into an aerosol, method for using same and instruments including same A self-adjusting, free-flowing pneumatic nebulizer interface is described for coupling fluid phase separation apparatus such as capillary electrophoresis apparatus or fluid-phase analyte delivery apparatus such as flow-injection analysis apparatus to gas ... | 01/28/2003 |
| 6475802 | Apparatus for and method of collecting gaseous mercury and differentiating between different mercury components A method and apparatus are provided for collecting a sample gaseous mercury, to differentiate between different gaseous mercury components. A quartz denuder module is provided having a coated extended surface for adsorbing reactive gaseous mercury. After ... | 11/05/2002 |
| 6464391 | Heat release rate calorimeter for milligram samples A calorimeter that measures heat release rates of very small samples (on the order of one to 10 milligrams) without the need to separately and simultaneously measure the mass loss rate of the sample and the heat of combustion of the fuel gases produced du... | 10/15/2002 |
| 6458328 | Staged oxidation chamber for enhanced nitrogen and sulfur detection A more efficient combustion or oxidation device for the formation of nitrogen, phosphorus and/or sulfur oxides from a sample containing these elemental constituents is disclosed. The device uses multi-staged addition of an oxidizing agent to enhance oxida... | 10/01/2002 |
| 6440746 | Method and apparatus for analyzing asphalt content An apparatus for pyrolysis of a bituminous paving mix is provided, comprising an oven having a bottom wall, a top wall, and side walls defining a combustion chamber, a sample support within the combustion chamber, an infrared heater mounted within the ove... | 08/27/2002 |
| 6406918 | Thermal analysis for detection and identification of explosives and other controlled substances The invention features methods and systems for detecting the presence of an energetic material in a sample in which the presence of the energetic material is unknown. The method includes the steps of: heating the sample; measuring heat flow between the sa... | 06/18/2002 |
| 6207462 | Microwave apparatus and method for analysis of asphalt-aggregate compositions A method and apparatus are disclosed for analyzing the aggregate content of asphalt-aggregate compositions. The method includes placing a preheated, preweighed container carrying a sample of an asphalt-aggregate composition into a preheated furnace with t... | 03/27/2001 |
| 6190917 | Microwave apparatus and method for analysis of asphalt-aggregate compositions A method and apparatus are disclosed for analyzing asphalt-aggregate compositions. The method includes directing sufficient microwave radiation from a microwave source to a sample of an asphalt-aggregate composition to ignite the asphalt in the compositio... | 02/20/2001 |
| 6180413 | Low level TOC measurement method A method for the determination of total organic carbon in an aqueous sample by trapping the organic matter on a sorbent which is carbon free and analyzing the sorbent by combustion and determination of total CO2 by IR.... | 01/30/2001 |
| 6143568 | Method for determining constituents in water A method for determining constituents in water, in particular the content of organic carbon and/or nitrogen, in which an aqueous sample is evaporated and combusted in at least one heating vessel (154a) provided with a heater (154), and the combustion prod... | 11/07/2000 |
| 6133042 | Modulated oxygen-flux method and apparatus to improve the performance of a calorimetric gas sensor A method and apparatus is provided for modulating the flux of oxygen impinging on a calorimetric gas sensor. The method and apparatus are based on modulating the oxygen concentration of a gas mixture presented to the microcalorimeter between a predetermin... | 10/17/2000 |
| 6054323 | Method and apparatus for analyzing asphalt content An apparatus and method for assaying an asphalt-containing composite material by irradiating the sample using a radiation source having a tunable preselected wavelength selected to closely approximate the absorbance wavelength of a particular material or ... | 04/25/2000 |
| 5976889 | Gas analyzer and method for detecting NOx A method and apparatus for detecting NOx by chemiluminescence. The apparatus includes a sample gas line having an inlet port for receiving a sample gas, a NOx converter connected to the sample gas line, a N2 diluting gas l... | 11/02/1999 |
| 5968452 | System for controlling flow of a diluted sample and determining pollutants based on water content in engine exhaust emissions A system is provided in an exhaust emission sampling system for controlling a flow controller in order to compensate for the effects of changing water vapor content in a diluted sample having a predetermined dilution ratio. A water measuring device such a... | 10/19/1999 |
| 5965451 | Use of a gas sensor for the selective detection of hydrocarbons in low-oxygen gases The invention provides a gas sensor for selective detection of hydrocarbons in low-oxygen gases, having a capacitive element and a gas-permeable sensitive layer as a dielectric. The sensitive layer is a precious-metal-doped zeolite which has a regular cry... | 10/12/1999 |
| 5846831 | Methods and systems for controlling flow of a diluted sample and determining pollutants based on water content in engine exhaust emissions In a first embodiment of the present invention, a control method and system are provided in an exhaust emission sampling system for controlling a flow controller in order to compensate for the effects of changing water vapor content in a diluted sample ha... | 12/08/1998 |
| 5741711 | Flame-based method and apparatus for analyzing a sample A flame based method for analyzing a sample by introducing the sample into a combustible gas mixture, igniting the combustible gas mixture to produce a flame, and detecting a characteristic of the resulting flame to determine the identity and/or concentra... | 04/21/1998 |
| 5612225 | Process and apparatus for determining total nitrogen content by elemental analysis This invention provides a process for determining the nitrogen content of a sample involving (a) combusting the sample in a combustion reactor in the presence of oxygen, which oxygen is introduced into the combustion reactor in pulse form; (b) reducing th... | 03/18/1997 |
| 5583050 | Method for pyrolysis By heating a wire and positioning the wire against a specimen, the specimen may be pyrolyzed to release a pyrolysate therefrom. The pyrolysate is collected in a hood and carried to a membrane separator from which the pyrolysate may be spectrochemically an... | 12/10/1996 |
