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7385191 |
High pressure membrane introduction for a mass spectrometer
A membrane-introduction mass spectrometer (MIMS) device has a sample inlet assembly provided with a membrane held by an outer retaining ring across the entrance of a central passage, a porous metal...
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7377188 |
System for the detection of trace vapors and particles in air
A detector for the detection for trace vapors and particles in the air that includes a housing; a well formed in the housing; a heated filter positioned across the well; a source delivering sampled...
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7363829 |
Drill cutting sampler
A device for sampling drill cuttings includes a frame, an inclined perforated member mounted on the frame, a sprayer for washing cuttings down over the perforations, and a removable open-topped...
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7350427 |
Sorbent collector material based on polyorganosiloxane
The invention relates to a sorbent collector material based on polyorganosiloxane for the microextraction of substances to be analysed, the collector material having an open-cell foam structure,...
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7341669 |
Filter methods to capture a desired amount of material from a sample suspension for monolayer deposition, analysis or other uses
The present invention is a filter apparatus with methods to capture a desired amount of material suspended in a liquid or gas for monolayer deposition, analysis or other uses. Novel filter devices...
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7337683 |
Insitu inertial particulate separation system
A sampling system for separating gaseous samples from a gas stream containing particulate matter and transporting the gaseous samples to a location outside of the flowing gas stream comprises an...
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7325443 |
Sampling device and method for measuring fluid flow and solute mass transport
A device and a method for measuring fluid flow and solute mass transport in flow systems includes a casing ( 1 ) having inlet ( 3 ) and outlet ( 9 ) openings and a fluid passageway therebetween,...
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7312071 |
Effective monitoring system for anthrax smallpox, or other pathogens
A device and method for detecting anthrax or other pathogens are disclosed. Individual self-contained monitoring devices of a monitoring system can be portable or stationary (e.g. installed in air...
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7300801 |
Welded sample preparation articles and methods
Solid phase extraction articles, well-less filtration devices, and methods of manufacturing the articles and devices are disclosed. Methods of extracting analytes from samples using the articles...
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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...
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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...
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7270019 |
Collecting line assembly for monitoring and locating leaks
An assembly for monitoring and locating leaks in an installation includes a collecting line formed of a material that is impermeable to a substance to be monitored. The collecting line has a...
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7267017 |
Method to test indoor air quality
A method that allows an individual to personally test for contaminants in an air supply. The method consists of purchasing the test kit, placing the test kit on a device that produces air...
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7225689 |
Sample testing device with funnel collector
The present invention provides a funnel collector for use with a sample testing device. The funnel collector collects and holds a fluid sample in order to place the sample in immediate contact with...
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7222546 |
Method and apparatus for sediment characterization
A method for characterizing contaminants within sediment comprising positioning a sampler in a continuous manner within the sediment, exposing the sampler to the sediment for a dwell time,...
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7210363 |
Scan testable filter housing assembly for exhaust applications
A filter housing assembly for exhaust applications and method of testing the same is provided. In one embodiment, the filter housing assembly includes a housing having a filter receiving aperture,...
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7208091 |
Assembly for withdrawing and filtering partial volumes of process fluid
A method for withdrawing and filtering a partial volume of a particle-containing process fluid enclosed in a container, a combination of a container enclosing a process fluid and an assembly for...
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7197949 |
Meso sniffer: a device and method for active gas sampling using alternating flow
A sampling system for detecting an analyte, comprising a diaphragm pump, a buffer chamber, a sensor head and intake port. The pump includes a chamber for receiving fluids via first and second...
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7159474 |
Modular sampling device
A sampling device is disclosed. The sampling device is portable and capable of taking two samples in parallel. The sampling device can include two filter locations that are subjected to similar...
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7155967 |
Formation testing apparatus and method
A method and apparatus for testing formations surrounding an earth borehole. The method includes the following steps: providing a tool movable through the borehole; providing a flow line in the...
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7122065 |
Adapter for low volume air sampler
An adapter for use with a low volume PUF sampler is described. The adapter is affixed over the open end of a PUF (polyurethane foam) sample cartridge. Sample tubing is affixed to an aperture in the...
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7111503 |
Sheet-form membrane sample probe, method and apparatus for fluid concentration analysis
A sheet form membrane probe, an apparatus and method, wherein the probe includes a probe body, a sheet-form membrane secured to the probe body and including an open surface exposed to the exterior...
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7077017 |
Container with a frangible seal
A container for receiving fluids comprises a body having opposite ends and at least one wall defining an interior space. At least one seal defines a sealed chamber within the interior space of the...
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7074313 |
Processing chamber
A device having a processing chamber, for electroelution and/or dialysis of a substance carried in a sample with respect to an external liquid medium. The chamber has a closed end and an opening at...
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7067057 |
Fluid conveyed material collection system
The present invention is for processing fluids, especially waste streams from nuclear power plants, and other fluid media that may be carrying valuable or useful substances, in order to collect the...
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7062982 |
Method and apparatus for concentrated airborne particle collection
An apparatus for collecting biological aerosols from an air sample is provided comprising an air intake assembly adapted to draw the air sample into the apparatus, a separation section coupled to...
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7059206 |
Aquatic passive sampling device and methods for its use
An aquatic passive sampling device is disclosed comprising a diffusion-limiting membrane and a receiving phase itself comprising an immobilised solid phase material supported by a solid support....
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7055401 |
Closed method and system for the sampling and testing of fluid
A closed fluidic sampling system. The system includes a first port for receiving a sample of fluid and a sampling chamber in fluid communication with the first port. A a one-way valve allows fluid...
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7051604 |
Heat pipe sample fluid probe
A system for the collection and initial conditioning of sample gas for “on-line” analyzers, or filling of gas sample cylinders. The preferred embodiment of the present invention contemplates a...
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7028562 |
Vacuum membrane extraction system
The present invention relates to apparatus for sampling and analysis of gas phase molecules. A source of negative pressure is used to draw gas phase molecules through a gas-permeable membrane. The...
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7004041 |
System for retrieving a gas phase sample from a gas stream containing entrained liquid, and sample conditioner assembly therefore
A system for the retrieval and initial conditioning of sample gas for “on line” analyzers or filling of gas sample cylinders. The preferred embodiment of the present invention contemplates a...
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7001505 |
Slurry monitoring system
A slurry monitoring system is provided. A filter encompasses a filter chamber containing a purge piston. During a monitor operation, the purge piston is retracted, and slurry enters the filter...
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7000781 |
Filtering device
The invention relates to a filtering device for taking a filtrate sample from liquid matter containing solid particles. The filtering device comprises two filter parts and at least one filtering...
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6993985 |
Method and device for fluid sampling
A fluid stream sampler enables variable flow rate controlled air sampling, as an attachment to a vacuum source, typically a household vacuum cleaner. The fluid stream sampler includes a housing...
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6978688 |
Semipermeable membrane-based sampling systems
The device and methods relate to a sampling device for obtaining samples of analytes in a difficult-to-reach sampling location, such as below ground or underwater, and transporting the sample to an...
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6978657 |
Portable chemical detection system with intergrated preconcentrator
A portable system for the detection of chemical particles such as explosive residue utilizes a metal fiber substrate that may either be swiped over a subject or placed in a holder in a collection...
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6945127 |
Personal and environmental air sampling apparatus
A self sealing air sampling apparatus includes a body with a filter therein and an air moving device, such as a fan, mounted therein for moving air through the filter. There is an air inlet...
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RE38797 |
Particle preconcentrator
An apparatus and method for preconcentrating particles and vapors. The preconcentrator apparatus permits detection of highly diluted amounts of particles in a main gas stream, such as a stream of...
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6938503 |
Lysimeter apparatus
A suction lysimeter for sampling subsurface liquids includes a lysimeter casing having a drive portion, a reservoir portion, and a tip portion, the tip portion including a membrane through which...
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6923847 |
Gas/liquid separator including a liquid trap filter
A liquid separator for a respiratory gas sample analyzer includes a closed container having a liquid trap filter chamber integral with the container. The liquid trap filter chamber includes an...
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6920802 |
Adsorption trap for the detection of surface-active agents in gas streams
A method and apparatus are provided for adsorbing surface-active compounds, such as corrosion inhibitors and water, from pressurized gas streams utilizing existing gas pipeline sampling valves. The...
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6905594 |
Filter apparatus and methods to capture a desired amount of material from a sample suspension for monolayer deposition, analysis or other uses
The present invention is a filter apparatus with methods to capture a desired amount of material suspended in a liquid or gas for monolayer deposition, analysis or other uses. Novel filter devices...
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6898960 |
Indoor air quality test apparatus
A method that allows an individual to personally test for contaminants in an air supply. The method consists of purchasing the test kit, mounting the test kit to an existing particulate filter,...
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6890374 |
Filter for sampling chlorinated organic compound
A collector 3 capable of collecting and sampling simultaneously various types of chlorinated organic compounds in both particulate and gaseous forms contained in a fluid and easy to extract the...
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6889567 |
3D array integrated cells for the sampling and detection of air bound chemical and biological species
An integrated mesopump-sensor suitable for disposition in two- and three-dimensional arrays having small dimensions is disclosed. One mesopump is formed of an electrostatically attractable flexible...
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6886419 |
Mail piece for obtaining samples of harmful materials in mail processing equipment
The present invention is directed, in general to a mail piece and more particularly, a mail piece for collecting sample(s) of harmful materials from a mail processing device. The mail piece...
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6857328 |
Sample probe for aerosol sampling apparatus
A sample probe is provided for sampling aerosols within a wall cavity. The sample probe includes a hollow tubular body having a distal end, an intermediate portion, a proximal end and a central...
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6818045 |
Liquid separator with integral sight glass
The liquid separator with integral sight glass separates liquids, if present, from gases and allows a technician to visually confirm the presence or absence of liquids in the gas. The present...
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6815670 |
Materials and apparatus for the detection of contraband
A detector requires a stream of dry air for transporting particles to the detector. The detector then operates to determine whether the dry air has transported any particles of interest. Continuous...
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6796167 |
Device for indication of leakage in a liquid system and method for such indication
A method and a device for indication of leakage in a liquid system, includes liquid lines and a liquid filter that consists of a non-transparent upper portion ( 3 ) having flow paths ( 5, 6 ) for...
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