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| Number | Title | Issue Date |
| 7555965 | Multi-cavity sample cylinder with integrated valving A system for obtaining a representative sample of a natural gas stream, particularly a stream which is at or below its hydrocarbon dew point temperature (H.C.D.P.). The preferred embodiment of the present invention contemplates a sample cylinder having a flexible is... | 07/07/2009 |
| 7540206 | Self-cleaning sample extraction system A sampling apparatus for use with a sample analyzer comprises a sample probe insertable into a process stream, and an extraction cylinder including a variable volume chamber and a piston movable by an actuator back and forth in the cylinder to increase and decrease ... | 06/02/2009 |
| 7481125 | Devices for obtaining cylinder samples of natural gas or process gas, and methods therefore A sample pump system for metering the amount of sample taken from a pressurized fluid process such as a natural gas pipeline or the like, the sample pump system designed for immersion, directly or indirectly, into the pressurized fluid stream so that the sampling is... | 01/27/2009 |
| 7441472 | Method and device for sampling fluids An apparatus and method is provided to obtain a sample of a liquid at a distance. In one embodiment, the apparatus comprises a telescoping support member, a retaining bracket, a syringe, and a control means that is used to obtain and release a sample of pool water. ... | 10/28/2008 |
| 7380476 | Gas sampling bag A gas sampling bag is capable of blowing out the gas uniformly into the bag main body, and filling the bag main body with gas in a securely mixed state. A gas sampling bag that is connected to a constant volume sampling passage, contains a pipe, on which a plurality... | 06/03/2008 |
| 7282282 | Organic fuel cells and fuel cell conducting sheets A passive direct organic fuel cell includes an organic fuel solution and is operative to produce at least 15 mW/cm2 when operating at room temperature. In additional aspects of the invention, fuel cells can include a gas remover configured to promote circ... | 10/16/2007 |
| 7258167 | Method and apparatus for storing energy and multiplying force to pressurize a downhole fluid sample A method and apparatus store energy in an energy storage medium located in an energy storage chamber. As a sampling tool descends into the borehole, the energy storage medium is pressurized with hydrostatic pressure. A sample is collected in a sample chamber by pump... | 08/21/2007 |
| 7225690 | Multi-cavity sample cylinder with integrated valving A system for obtaining a representative sample of a natural gas stream, particularly a stream which is at or below its hydrocarbon dew point temperature (H.C.D.P.). The preferred embodiment of the present invention contemplates a sample cylinder having a flexible is... | 06/05/2007 |
| 7216536 | Acoustic volume indicator Acoustic volume indicators for determining liquid or gas volume within a container comprise a contactor to vibrate a container wall, a detector to receive vibration data from the container wall, a processor to convert vibration data to frequency information and comp... | 05/15/2007 |
| 7205158 | Method for aspiration of a liquid sample A liquid aspiration method which includes aspirating partial aliquots of liquid at a number of different depths of penetration of a pipette tip into a liquid. The different depths are selected so that partial aliquot segments are obtained throughout the entire depth... | 04/17/2007 |
| 7192558 | Multi-well rotary synthesizer An apparatus for synthesizing polymer chains includes a controller, a plurality of precision fit vials circularly arranged in multiple banks on a cartridge, a drain corresponding to each bank of vials, a chamber bowl, a plurality of valves for delivering reagents to... | 03/20/2007 |
| 7188531 | Pressure gauge for use with sanitary conduit A standard industrial pressure gauge is adapted for a sanitary conduit that has been provided with a tubular stub for mounting the gauge. A cylinder has a disk flange that mates with an upper flange of the tubular stub. A cap closes off the top of the cylinder, and ... | 03/13/2007 |
| 7159475 | Apparatus and method of sampling semivolatile compounds An apparatus and method for sampling semivolatile compounds is disclosed. A collection bag is placed around an air conditioning vent on an aircraft. An opening in the collection bag receives air from the air conditioning vent into the bag. An exit in the collection ... | 01/09/2007 |
| 7155990 | Method and apparatus for determining a downhole fluid sample volume A formation test tool 10 for obtaining a downhole fluid sample from a formation of interest 30 and returning the sample to the surface of a well includes a cylinder 12 forming a fluid sample chamber therein, and a piston 20 sealingly mova... | 01/02/2007 |
| 7150998 | Multi-well rotary synthesizer An apparatus for synthesizing polymer chains includes a controller, a plurality of precision fit vials circularly arranged in multiple banks on a cartridge, a drain corresponding to each bank of vials, a chamber bowl, a plurality of valves for delivering reagents to... | 12/19/2006 |
| 7138025 | Method for manufacturing a sealable bag having an integrated tray for use in vacuum packaging A method for manufacturing a bag for use in vacuum packaging comprises forming a first panel including a tray for retaining contents within the bag and a second panel. Optionally, the tray can include a plurality of ridges or protuberances for suspending contents su... | 11/21/2006 |
| 7087130 | Method for manufacturing a sealable bag having an integrated zipper for use in vacuum packaging A method for manufacturing a bag for use in vacuum packaging comprises forming a first panel having a receiving feature and a second panel having an insertion feature, such that the insertion feature can be removably connected with the receiving feature, thereby for... | 08/08/2006 |
| 7071000 | Method for sampling reaction products A method for sampling reaction products includes delivering a reactant through a sampling probe to contact a substance deposited on a substrate and reacting the reactant to form a reaction product. At least a portion of the reaction product is withdrawn through the ... | 07/04/2006 |
| 6925868 | Acoustic volume indicator Acoustic volume indicators comprise a resonator, a frequency detector, and an indicator. The resonator can be an impactor or a vibration generator. The detector responds to vibration signals provided from the tank wall, which signals will show a significant increase... | 08/09/2005 |
| 6910393 | Powder sampling method and apparatus A powder sampling method and apparatus is provided for sampling powder from a mixer or a drum. An undisturbed column of powder is extracted from a vessel. The column of powder may then be sectioned into subunits, using a discharge device, providing up to dozens of s... | 06/28/2005 |
| 6864091 | Sampling probe A sampling probe for delivering a reactant to a substance deposited on a substrate to form a reaction product and for transporting the reaction product to a product analyzer for analysis. The probe includes a tip positionable over the substance on the substrate. The... | 03/08/2005 |
| 6682939 | Chemical sampler system and container A method and apparatus for sampling chemicals prevents exposure of laboratory personnel to the chemicals being tested and to volatile solvents or chemicals that may be mixed with the tested chemicals. The apparatus includes a sampling line connected to th... | 01/27/2004 |
| 6578440 | Sample bag A sample bag for collecting a mixture of gasses for analysis is made of a modified polymer consisting essentially of tetrafluoroethylene (TFE) and at most about 2.0 percent perfluoropropylvinylether (PPVE).... | 06/17/2003 |
| 6571650 | Variable headspace sampling system The invention relates to an apparatus and method for providing a modifiable headspace for measuring a concentration of volatile releases from a sample. The invention includes a collapsible housing for containing the air sample and a plurality of spacers b... | 06/03/2003 |
| 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 constituents therethrough. A control gas is then collected into an ou... | 12/24/2002 |
| 6360620 | Method and sample extractor for the extraction of intact fluid samples The extraction of intact, representative fluid samples in well-defined depths, such as from wells sunk into the ground, has until now been very difficult, and in many cases impossible to perform. A method is provided as well as a sample extractor for the ... | 03/26/2002 |
| 6279408 | Sample bag A sample bag for collecting a mixture of gasses for analysis is made of a modified polymer consisting essentially of tetrafluoroethylene (TFE) and at most about 2.0 percent perfluoropropylvinylether (PPVE).... | 08/28/2001 |
| 6261523 | Adjustable volume sealed chemical-solution-confinement vessel An adjustable-volume, sealed chemical-solution-confinement vessel for enclosing the inner bottom surface of the chemical-solution-confinement vessel within a sealed chamber. The chemical-solution-confinement vessel comprises a well-shaped base into which ... | 07/17/2001 |
| 6189392 | Fluid sampling apparatus using floating piston A non-flashing fluid sampler for use in obtaining a well fluid sample. The sampler comprises a body defining a first chamber, a second chamber, a third chamber and a sampling port therein. The sampling port is in communication with the first chamber and w... | 02/20/2001 |
| 6178832 | Reagent pouch for use in a modular automated diagnostic apparatus A modular automated diagnostic analyzer having a fluid entry module for sample aspiration, a valve module for selecting fluids and a pump module for fluidic movement so that a biological sample does not come into contact with the valve system through whic... | 01/30/2001 |
| 6148914 | Sampling hydrocarbons in a well using a flexible bag To take a sample of liquid and/or gaseous hydrocarbon at the surface or down an oil well, use is made of a flexible bag suspended by a tube from a top region of a wall of a closed receptacle. The bag and the tube are made of a flexible material that is le... | 11/21/2000 |
| 6065355 | Non-flashing downhole fluid sampler and method A non-flashing fluid sampler for use in obtaining a well fluid sample. The sampler comprises a body defining a first chamber, a second chamber, a third chamber and a sampling port therein. The sampling port is in communication with the first chamber and w... | 05/23/2000 |
| 6058790 | Adjustable length sampler tube A liquid sampler tube of elongate, cylindrical construction has an accordion fold formed along a predetermined extent of its main body so that the liquid sampler tube can be shortened when in storage or in transport and returned to its initial length when... | 05/09/2000 |
| 5996426 | End-sampling thief probe This invention relates to an end-sampling thief probe and a method of using this probe. The thief probe of the invention is useful in extracting a sample with minimal disturbance and provides an improved method for end-sampling.... | 12/07/1999 |
| 5996425 | Vanishing head sample cylinder A sample cylinder for holding natural gas or other fluid samples for analysis which can completely clear itself of one sample before being filled with a subsequent sample. The piston is adapted to receive an elastomeric head which is preferably concave to... | 12/07/1999 |
| 5898113 | Multi-ply material sealed container An expandable sealed container is formed of first and second panels, each formed of at least first and second sheets. The first sheet of each of the panels is formed of a polyvinyl fluoride film and the second sheet is formed of a flexible vinyl. In one e... | 04/27/1999 |
| 5770152 | Collapsible container for measuring particles in a sample fluid A device and method for the detection of small particles in a fluid. The device is a collapsible sample container having a opening which is covered, at least in part, by a porous membrane having a plurality (e.g., 100) of pores therein having a pore diame... | 06/23/1998 |
| 5706904 | Soil sampling tool with volume-indicating feature The disclosure involves a soil-sampling tool having a barrel with a distal end for insertion into soil, and a plunger mounted for movement in the barrel. The plunger includes a soil-contact surface spaced from the distal end by a dimension when the barrel... | 01/13/1998 |
| 5663511 | Method and device for taking samples of liquids with different viscosities from a drum or other container A device for taking a sample of fluid from a drum includes a dip-tube having at its lower end a closure member, a piston having at the end of a rod a disk adapted to slide in the dip-tube, to which it is sealed, and members for temporarily positioning the... | 09/02/1997 |
| 5578770 | Apparatus and method for gas detection An apparatus and method for use in conjunction with a Drager tube for the simultaneous testing and storage of a particular gas from a source and the subsequent flaring of the gas after testing is set forth herein. The apparatus generally includes a sample... | 11/26/1996 |
