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| Number | Title | Issue Date |
| 8186234 | Hand-held trace vapor/particle detection system A hand held detector system that has a housing with a passage that can receive a sample, and a concentrator that captures the sample. The hand held system further includes a single detector coupled to the concentrator and a fluid system that provides fluid communica... | 05/29/2012 |
| 8161830 | Method, apparatus, and system for integrated vapor and particulate sampling A detection system for identifying an unknown substance includes a detector assembly configured to receive a particulate or vapor and determine a substance contained within the collected vapor or particulate sample, and at least one heater element operatively couple... | 04/24/2012 |
| 8096197 | Air displacement liquid delivery system and related method An air displacement liquid delivery system including a liquid delivery device, one or more sensors, a control unit, and a preprogrammable computing device, and a method for using the air displacement liquid delivery system. The one or more sensors are capable of obt... | 01/17/2012 |
| 7669487 | Desorber A desorber for use with a chemical ionisation mass spectrometer comprises a body portion that has a cavity formed therein, the cavity being arranged to receive a sample collector, the sample collector being preferably carried by a holding device that can be slid in ... | 03/02/2010 |
| 7600438 | Device and method for the adjustment of a temperature of a liquid A device and a method for the adjustment of a temperature of a liquid which is contained in one or more sample vessels are specified, a control unit and a temperature adjustment unit being provided, which acts on the liquid contained in the sample vessels. Furthermo... | 10/13/2009 |
| 7587950 | Source dilution sampling system for emissions analysis A system for sampling emission products from an emissions source, for example combustion engines including gasoline, diesel and natural gas engines, for subsequent measurement and analysis of the emission products. The system includes a dilution apparatus, a residen... | 09/15/2009 |
| 7458283 | Article scanner A CTD and method of using a CTD for automatic sampling and analysis of target analytes, such as explosive materials, chemical warfare agents, and narcotics present on documents or other articles is provided. The CTD comprises an article processing mechanism, a swabb... | 12/02/2008 |
| 7427311 | Method and device for the detection, characterization and/or elimination of suspended particles Volatile suspended particles are eliminated from an aerosol by heating the aerosol to a temperature at which the volatile suspended particles evaporate and diluting the aerosol with a dilution gas. The sequence heating and diluting may be performed in any order. Acc... | 09/23/2008 |
| 7421852 | Media sampling device A monitoring device for use in monitoring the life of a filter used in the operating unit of an air conditioning system. The monitoring device has a support for use in attaching the device to the housing of the operational unit in the air conditioning system, the un... | 09/09/2008 |
| 7395725 | Sample treatment apparatus and sample measurement apparatus providing it There is provided a sample treatment apparatus which can, continuously and stably for a long time, treat a sample containing an easily precipitating substance such as sulfur and a measuring apparatus providing it. The sample treatment apparatus includes: a path for ... | 07/08/2008 |
| 7392138 | Method for determining the content of at least one given gas in a drilling mud, associated device and rig A method includes the phases of measuring the quantity of a given gas in the gases extracted from a calibration sample of a calibration mud, in at least two stages for extraction under predetermined conditions. A family of curves representing the extraction, under t... | 06/24/2008 |
| 7383745 | Heated sampling hose assembly and related method A heated sampling hose assembly includes a sampling hose having an inlet and an outlet for passage of a sample gas. An outer sleeve surrounds the sampling hose with an annular purge gas passage radially therebetween. The outer sleeve is closed at opposite ends by fi... | 06/10/2008 |
| 7367216 | Phased micro analyzer V, VI A micro fluid analyzer having a concentrator and two or more separators. The analyzer may have one, two or more pumps. The analyzer may have a hyper pre-concentrator having a number of channels. There are numerous detectors positioned along the flow path of the anal... | 05/06/2008 |
| 7357044 | Sample collection device and method of using said device A sample collection device for use with a chemical analyzer, the device comprising a sample collecting assembly having at least one sampling medium and a sample desorbing assembly arranged to receive the sampling medium therein, the sample collecting assembly and sa... | 04/15/2008 |
| 7351312 | Apparatus for obtaining sample and process therefor A vessel is provided for collecting a process stream and fractionating the process stream into a liquid and gas phase in the vessel. Cooling may be provided by an internal bath and/or an external bath. The liquid phase retained in the vessel and the gas phase collec... | 04/01/2008 |
| 7347061 | Oil checking device for compressor of air conditioning system An oil checking device for compressor of air conditioning system includes an oil container connected to an high-pressure part of the air conditioning system to receive refrigerant and oil from the high-pressure part, the oil container being formed of a transparent m... | 03/25/2008 |
| 7337616 | System for sampling cryogenic liquids, and air separation unit provided with at least one such system A system for sampling cryogenic liquids, and an air separation unit provided with at least one such system. The cryogenic liquid is introduced into a vaporizer, through heat exchange with the compressed air. The liquid passes through the vaporizer generally downward... | 03/04/2008 |
| 7330262 | Methods and apparatus for determining the content materials of a liquid employing a piston movable within a measuring chamber The contents of a liquid medium are determined using a light source and an optical detector, for example a spectrometer. A longitudinally displaceable piston sucks the medium into a cylindrical glass measuring chamber and evacuates the liquid from the chamber. At le... | 02/12/2008 |
| 7328629 | Method and apparatus for maintaining multi-component sample gas constituents in vapor phase during sample extraction and cooling An apparatus and method for diluting and cooling that is extracted from high temperature and/or high pressure industrial processes. Through a feedback process, a specialized, CFD-modeled dilution cooler is employed along with real-time estimations of the point at wh... | 02/12/2008 |
| 7327068 | Sensors and related devices and methods Sensors that include SAW devices, related methods, and related devices. Many embodiments are included. Some of the present sensors include an inlet structure; a mounting structure that is spaced apart from the inlet structure, the mounting structure having a top sur... | 02/05/2008 |
| 7317186 | Short torch design for direct liquid sample introduction using conventional and micro-nebulizers for plasma spectrometry An apparatus and method for providing direct liquid sample introduction using a nebulizer are provided. The apparatus and method include a short torch having an inner tube and an outer tube, and an elongated adapter having a cavity for receiving the nebulizer and po... | 01/08/2008 |
| 7311011 | Apparatuses for interaction with a subterranean formation, and methods of use thereof An access casing assembly structured for placement at least partially within a subterranean formation by forcing the access casing assembly thereinto, comprising a plurality of casing sections operably coupled to form a central elongated cavity for providing access ... | 12/25/2007 |
| 7305895 | Bernoulli mushroom inlet housing for efficient air sampling A collection apparatus is provided for receiving a portion of a medium that flows around the apparatus and directing the portion into a collector. The apparatus includes an axisymmetric streamline receiver and a support member. The streamline receiver includes a cha... | 12/11/2007 |
| 7299710 | Hand-held trace vapor/particle sampling system A sampling system that contains filter components for collecting and concentrating vapor and particles in high-volume flows. The sample is then vaporized and delivered to a detector at a low-volume flow. The invention also has a sampling probe that contains an air-j... | 11/27/2007 |
| 7299711 | Analyte separation utilizing temperature programmed desorption of a preconcentrator mesh A method and system for controllably releasing contaminants from a contaminated porous metallic mesh by thermally desorbing and releasing a selected subset of contaminants from a contaminated mesh by rapidly raising the mesh to a pre-determined temperature step or p... | 11/27/2007 |
| 7299709 | Aerosol collecting device for a chemical detector An aerosol collecting device adapted for attachment to a chemical vapor detection system is disclosed to include a chamber comprising an inlet with a collecting funnel attached thereto and open to ambient, an outlet, and a through cavity defined therebetween, wherei... | 11/27/2007 |
| 7299679 | Strobe desorption method for high boiling point materials The invention is directed to a system and method for detecting substances, such as high boiling and low vapor pressure materials, using high energy radiation imparted by a suitable radiation source, such as a strobe or laser over a short time period. The radiation s... | 11/27/2007 |
| 7294306 | Inspection tester for explosives An inspection tester that can be used anywhere as a primary screening tool by non-technical personnel to determine whether a surface contains explosives. It includes a body with a sample pad. First and second explosives detecting reagent holders and dispensers are o... | 11/13/2007 |
| 7293473 | Method and apparatus for sampling biological particles in an air flow A method and apparatus for sampling potential biohazard particles in an air flow tests for biological particles in the air flow; collects a sample of particulate matter from a specific portion of the air flow in response to an indication in the step of sensing of th... | 11/13/2007 |
| 7269466 | Optimal operation controller of plant The present invention aims to control elements to improve operation efficiency of a plant based on a correlation value of the past accumulated data. According to the invention, an optimal operation controller obtains a correlation between a state of a predetermined ... | 09/11/2007 |
| 7253413 | Gas identification system A system for identifying a gas sample includes a canister, a docking station, a thermal desorption device, and a spectrometer. The canister includes a sorbent and a valve. The docking station is configured to removably engage the canister. When the canister is engag... | 08/07/2007 |
| 7247495 | Mass spectrometer method and apparatus for analyzing a sample in a solution The invention provides a mass spectrometric method for analyzing a sample in a solution, including the steps of directing a flow of a solution containing sample compounds to be analyzed towards a supersonic nozzle having an input end and an output end; vaporizing th... | 07/24/2007 |
| 7234362 | Subsurface material property measurement Subsurface material property measurements, such as soil or chemical properties, are obtained in situ by a direct push method that includes rotating a ring bit at the end of a casing to drill through subsurface materials, lowering a measurement probe through the adva... | 06/26/2007 |
| 7237115 | Authenticating concealed private data while maintaining concealment A method of and system for authenticating concealed and statistically varying multi-dimensional data comprising: acquiring an initial measurement of an item, wherein the initial measurement is subject to measurement error; applying a transformation to the initial me... | 06/26/2007 |
| 7221171 | Enhanced subsurface membrane interface probe (MIP) An enhanced membrane interface probe (MIP) is disclosed including: a modular membrane interface probe (MIP) sensor constructed from a plurality of modular components allowing field serviceable replacement of any malfunctioning components of the plurality of modular ... | 05/22/2007 |
| 7204264 | High pressure capillary micro-fluidic valve device and a method of fabricating same A freeze-thaw valve and a method of micro-machining the freeze-thaw valve is provided and includes a valve housing, wherein the valve housing defines a housing cavity and includes a housing inlet, a housing vent, a capillary tubing inlet and a capillary tubing outle... | 04/17/2007 |
| 7201874 | System for automatically extracting and analyzing residual solvents in material samples A system for quickly and automatically extracting and analysing residual solvents is realised for operating directly in the premises where the packing materials are being manufactured, printed and/or laminated. The system provides for a single unit equipped w... | 04/10/2007 |
| 7193963 | Method for inputting information into a data storage medium that is optically recordable and readable In a method of entering information into an optically writable and readable data storage medium having a polymer film which can be changed locally by heating in order to store information and to which there is assigned an absorber dye (34) which is set up to ... | 03/20/2007 |
| 7182862 | Fractionating apparatus The probe has a triple tube structure, in which an eluate from a liquid chromatograph flows through an innermost flow passage, a matrix solution flows through a flow passage outside the innermost flow passage, and the air or acetone flows through an outermost flow p... | 02/27/2007 |
| 7178414 | Automation of liquid phase microextraction A method and apparatus for automatically performing liquid microextraction on liquid samples includes the steps of controlling movement of a syringe between a cleaning station, a sample station containing a plurality of discrete sample vials and an instrument inject... | 02/20/2007 |
