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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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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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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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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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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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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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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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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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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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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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6779411 |
Adaptable filter sampling device
An adaptable filter sampling device is provided for localizing the utilized area of a filter medium. The filter sampling device of the present invention includes a filtration cassette having an...
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6776059 |
Method and device for sampling and storing urine specimen
A method and a device for sampling and storing a urine specimen capable of recovering a sampled urine specimen to a recovery container ( 5 ) through a filter ( 2 ) by the sucking pressure of the...
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6777228 |
System, method and apparatus for the rapid detection and analysis of airborne biological agents
A sampling device for detecting airborne particles has two parallel substantially identical intake passages. Each intake passage, in close proximity to the other, and has an inlet, a sampling...
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6773493 |
Water separator for a gas analyzer
A water separator for a gas analyzer, comprising a housing, a first chamber disposed within the housing, a second chamber disposed within the housing, a first wall formed of a gas permeable and...
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6764536 |
Sampling device with liquid eliminator
An integrated sampling device with liquid eliminator is provided. The device includes a body with integrated valving. A liquid eliminator device is provided within the body and interposed in a flow...
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6742405 |
Deep Lysimeter
A deep lysimeter including a hollow vessel having a chamber, a fill conduit extending into the chamber through apertures, a semi-permeable member mounted on the vessel and in fluid communication...
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6736883 |
Particulate separation system for mercury analysis
A particulate separation system for accurate measurement of vapor-phase mercury in a flue gas stream uses an inertial gas sampling filter in which the skin temperature of the filter element is...
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6694796 |
Device and method for introducing a known dust concentration spike for calibrating particulate matter continuous emission monitoring systems
An apparatus for calibrating a particulate matter continuous emission monitoring system includes: a feed unit that supplies particulate matter of a known mass flow rate; an eductor unit connected...
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6675664 |
Back flushable sample probe
A back flushable sample probe includes a hollow fitting securable to a fluid supply source and a strainer assembly disposed within the fitting. The strainer assembly includes a movable first member...
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6672135 |
Filter for gas analysis
A filter ( 20 ) suitable for gas analysis, especially non-gravimetric gas analysis, by collecting particulate matter thereon, with a filter material comprising a polycarbonate membrane having a...
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6642057 |
Methods for the detection of harmful substances or traces thereof
The presence of carcinogens in air, soils, and other areas is detected by combining liquid-assisted air sampling with means for testing liquid samples for mutagenicity. Hazardous or illicit...
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6634244 |
Methods for collecting fluid samples having select concentrations of particles
Instruments and processes according to the invention provide for the preparation of a fluid sample that has a substantially known concentration of a select particulate matter. In one aspect, the...
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6632271 |
MBI bioaerosol vortex cassette
An insert for a cassette that is adapted to sample particulate matter in air. The insert has an upstream end that is circular and a downstream end that is flange shaped with substantially smooth...
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6607581 |
Passive sampling badge
A passive air sampler is designed to facilitate emptying granular or particulate adsorbent from it directly into a thermal desorption tube or other vessel for use in an analytical instrument. The...
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6604406 |
Human portable preconcentrator system
A preconcentrator system and apparatus suited to human portable use wherein sample potentially containing a target chemical substance is drawn into a chamber and through a pervious screen. The...
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6584865 |
Absolute reference aerosol sampler
An absolute reference aerosol sampler system and method based on isokinetic and isoaxial sampling principles wherein the position of a collection inlet for an aerosol sampling head is adjusted...
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6581454 |
Apparatus for measurement
An apparatus is provided comprising a first tubular having an inside surface and outside surface defining an outside diameter; a second tubular concentric with the first tubular, the second tubular...
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6564657 |
Sampling method and apparatus for consistency measurement
A sampling device provides accurately repeatable samples for determination of consistency. A chamber is placed into the process line, and a piston in the chamber can be moved rearwardly to withdraw...
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6561046 |
Sampling apparatus for collecting samples from underwater hydrothermal vents and the marine or limnological water column
A sampling apparatus that allows multiple uncontaminated samples to be taken from hydrothermal vents and the oceanic or limnological water column. The apparatus includes a sampling nozzle for...
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6550347 |
Vacuum air component sampler
The invention is an air sampler which utilizes a hydrophobic filter and an entrapment fluid contained within a sampler body. Air to be sampled is bubbled through the entrapment fluid, which traps...
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6543301 |
Impactor nozzle plate
A orifice plate used in an impactor that has a large number of very small openings therein is made of a thin material, and has a plurality of projections that extend outwardly from one surface...
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6520033 |
Apparatus for sampling & analysis of thermally-labile species and a method relating thereto
An apparatus for, and a method of, sampling and analyzing thermally-labile chemical species, comprises a quartz tube having a filter member positioned in the bore of the tube. The filter member...
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6513397 |
Process and unit for sampling aldehydes and ketones contained in exhaust gases
A unit for sampling aldehydes and ketones contained in diluted exhaust gases from thermal combustion engines has a specific trapping circuit and a simulation circuit that simulates the specific...
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6511606 |
Simple, economical and rapid method for determining the contaminate particle size in fluids being filtered
A simple, economical acid rapid method for determining the contaminate particle size appearing in a fluid being filtered includes a filter housing that eliminates fluid bypass with a multi-layered...
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6511852 |
Apparatus for collecting a volatile composition of matter releasably bonded to a pliable porous substrate and process for using said apparatus
Described is apparatus and a process for collecting for subsequent analysis a volatile composition such as a perfume composition located on the surface and/or in the interstices of a planar pliable...
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6497156 |
Method for collecting exhaust gases
A sample of gaseous constituents, to be used in e.g. emissions testing, is collected within an inner bag 86 having a wall 92 that allows limited diffusion of at least one of the gaseous...
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6495375 |
Process for collecting for subsequent analysis a volatile composition of matter releasably bonded to a pliable porous rotating substrate
Described is apparatus and a process for collection for subsequent analysis a volatile composition such as a perfume composition located on the surface and/or in the interstices of a planar pliable...
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