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| Number | Title | Issue Date |
| 7866224 | Monitoring structure Apparatus is provided for determining presence of contamination on a lithography mask, including: a fluid trap having a base and at least one wall member extending substantially perpendicularly to the base for trapping fluid on a portion of the base when fluid intro... | 01/11/2011 |
| 7770476 | Capturing air samples for forensic investigation In one embodiment, air is automatically sampled within a zone of interest in response to an event caused by a mammal. The release of material from the mammal may be induced by directing an increased velocity airflow at the mammal or by introducing a sneezing agent i... | 08/10/2010 |
| 7597014 | System and method for providing vertical profile measurements of atmospheric gases A system and method for using an air collection device to collect a continuous air sample as the device descends through the atmosphere are provided. The air collection device may be one or more coils of thin-walled elongated hollow tubing having a small interior di... | 10/06/2009 |
| 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 |
| 7428849 | Sample collection arrangement operative in environments of restricted access A sample collection arrangement for obtaining organism-populated water samples from locations in the environment that are highly restricted in terms of physical access, which comprises a telescopic pole and one or more containers each of which, together with the pol... | 09/30/2008 |
| 7418880 | Sample collector using a syringe with a side port in the barrel A modified syringe collects samples of a fluid without removing volatile compounds by forming a vacuum within a sample collection vial. A fluid sample is drawn into the collection vial by means of the applied vacuum. ... | 09/02/2008 |
| 7363830 | Discrete volume sampling device using a vacuum A discrete volume vacuum sampling device is provided with a vacuum tube, a sample tube, and a sample container. The container defines a discrete volume of product to be sampled from a product bed within a processing machine. The sampler tube extends between the cont... | 04/29/2008 |
| 7353721 | Fluid sampling device A modular fluid sampling device that includes an elongated handle and a sample container holder attached to one end of the elongated handle. The sample container holder is configured to receive a removable sample container therein, a bottom which is configured to al... | 04/08/2008 |
| 7222547 | Auto-sealing specimen container An apparatus for testing a specimen. The apparatus having means for withdrawing a small sample of the specimen thereby preventing the potential contamination of the majority of the specimen. ... | 05/29/2007 |
| 7216725 | Soil sampling system and method that allow headspace screening at spaced intervals without disturbing soil sample A soil sampling system is provided that allows headspace screening of soil samples at spaced intervals along a soil sample liner without disturbing the soil samples to be collected and shipped to a laboratory for further testing. The soil sample liner includes a plu... | 05/15/2007 |
| 7172036 | Soil sample containment device and method A soil sample containment device is provided which allows soil samples to be contained within individual sections of a soil sampler liner. The device includes first and second end caps for covering and sealing the respective ends of the soil sampler liner section. E... | 02/06/2007 |
| 7168332 | Powder sampling device The powder sampling device comprises, next to a vertical channel (1) a drawer that is also vertical which may be lowered so that a groove (5) passes into a sampling mouth (12). A flap (15) may be extended to direct the powder towards the ... | 01/30/2007 |
| 7166257 | Multiwell test apparatus A multiwell test apparatus formed of a multiwell filter plate having a plurality of wells and a first feeding plate and a second receiver plate is provided. The wells of the multiwell filter plate each have an open bottom surface to which a membrane is attached, at ... | 01/23/2007 |
| 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 |
| 7148060 | Feeding tray for multiwell test apparatus A feeding tray for retaining a nutrient medium is provided for use with a multiwell filter plate. The feeding tray includes an inclined support surface surrounded by walls that retain nutrient medium on the support surface. The support surface is inclined away from ... | 12/12/2006 |
| 7135148 | Access holes for a multiwell filter plate for multiwell test apparatus A multiwell filter plate of a multiwell test apparatus is provided to effect addition or removal of liquid from a feeding tray positioned below the multiwell filter tray. Access holes extending through a plate of the multiwell filter plate are provided so that a syr... | 11/14/2006 |
| 7135149 | Positioning pins for multiwell test apparatus A multiwell test apparatus comprising a multiwell filter plate and having wells that fit within the wells of a single or multiwell receiver plate is provided. The multiwell filter plate also is provided with posts which fit into holes of the receiver plate. The post... | 11/14/2006 |
| 7115386 | Device and method for carrying out immunological marking techniques for thin-sectioned tissue The invention relates to a device and a method for carrying out in an optimized and automated manner immunological marking techniques for thin-sectioned tissue (2b). A support plate (1) which can be automatically moved by means of a computer-con... | 10/03/2006 |
| 7100707 | Stabilized soil core samples and method for preparing same An intact core sample from a soil area, such as a golf green or a ball field, is embedded in molded plastic. The core sample first is obtained, and then adhesively bonded together prior to molding it in clear plastic to preserve the soil core sample in an intact and... | 09/05/2006 |
| 7082849 | Apparatus and method for extracting volatile constituents A method and apparatus for ensuring the collecting volatile constituents contained in a solid sample S such as leaf tobacco. In particular, a sample vessel 10 for containing a sample of a solid containing volatile constituents, a gas feeding device 16 ... | 08/01/2006 |
| 7029627 | Apparatus for sampling, storing, preserving and testing a specimen A multiple-chamber container for sampling, storing and preserving for later testing a sample. A swab having a foam tip is used to collect a sample (the sample must have some liquid component, e.g., saliva, urine, blood, etc.). After the foam tip is used to collect a... | 04/18/2006 |
| 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 gas phase molecules are then directed into an analyzer, suitably a ga... | 04/18/2006 |
| 7014231 | Pool maintenance device A pool maintenance device that can be used for several tasks including: sampling water at a predetermined depth below the water surface, removing a skimmer cover, moving objects within the pool, adding chemicals to the pool, and storing pool chemicals. The device is... | 03/21/2006 |
| 6997069 | Tool for extraction of water samples A portable reel device for extraction of water samples from feed water storage tanks and the like. The reel incorporates a receptacle known in the art as a thiever. A chain has one end attached to the thiever. The other end of the chain is attached to a spindle. A h... | 02/14/2006 |
| 6962198 | Groundwater well sample device The groundwater well sample device is an elongated, cylindrical sample tube, having a top end and a bottom end. The top end is open. A knothole is formed through the wall of the sample tube near the top end. The knothole is large enough for the knotted end of a stri... | 11/08/2005 |
| 6955099 | Spill proof liquid sample cup A spill proof liquid sample cup is provided having an outer shell and an inner liner. The inner liner defines a sample chamber. The inner liner is spaced inwardly from the outer shell such that a test chamber is formed between the outer shell and the inner liner tha... | 10/18/2005 |
| 6878346 | Serum transfer cup The serum transfer cup is nestable in two different size blood collection tubes such as a 13 mm diameter sample tube and a 16 mm diameter sample tube of the same axial length. The serum transfer cup includes a flange stepped down from a top edge of the cup by a dist... | 04/12/2005 |
| 6820507 | Apparatus for extracting a representative sample of water, oil and sediment from a container A method and apparatus for extracting a representative sample of water, oil and sediment from a container. The apparatus is a container closure having a tube extending therethrough, such that fluids can be extracted from any closed container through the tube when cl... | 11/23/2004 |
| 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 invention is typically used when taking a spot sample from a natural gas p... | 11/16/2004 |
| 6786106 | Apparatus for sampling and testing a specimen An apparatus for testing a specimen. ... | 09/07/2004 |
| 6769317 | Core sampling apparatus A core sampling apparatus is comprised of a tubular punch, a storage container, and a press. The punch is comprised of a plurality of generally parallel metal sample tubes for being forced into a ground material. The storage container is comprised of a plurality of ... | 08/03/2004 |
| 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 |
| 6641993 | Aspirating and mixing of liquids within a probe tip Apparatus and a method for mixing a liquid within a disposable aspirating probe tip so that most of the liquid is forced to move past a transition zone between two different inside diameters to cause rotational mixing. The apparatus and method can be used... | 11/04/2003 |
| 6609434 | Method of retrieving a liquid sample, a suction lysimeter, a portable suction lysimeter, a lysimeter system, and a deep lysimeter A method of retrieving a liquid sample comprises providing a portable lysimeter including a semi-permeable membrane and a chamber in fluid communication with the semi-permeable membrane; making a hole at a site from which a liquid sample is desired; evacu... | 08/26/2003 |
| 6572686 | Apparatus for condensing and collecting hot gases This invention collects and analyzes condensable gases using a cryogenic cooling device connected to a charcoal cold trap assembly. More particularly, it uses a removable cryogenic cooling device instead of liquid nitrogen to trap condensable gases. The i... | 06/03/2003 |
| 6502470 | Fluid sampling system A fluid sampling system has a drift cell (60) enclosing a first fluid. An inlet chamber (62) communicates with the body of first fluid via an orifice (74). A series of negative pressure pulses is applied to the first fluid, causing a sample of a second fl... | 01/07/2003 |
| 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 |
| 6432365 | System and method for dispensing solution to a multi-well container An automated sample-on-solid-support processing system includes a treatment solution supply subsystem which feeds solvent to a dispenser to dispense a measured amount of treatment solution to each well of a multi-well plate. The dispenser measures the sol... | 08/13/2002 |
| 6327920 | On-line fluid sampling device Fluid sampling device for use in obtaining a precise volume of fluid to be sampled from sealed pressure vessels equipped with a hydraulic fitting to which the fluid sampling devices are connectable. The first embodiment of the device a fluid float chamber... | 12/11/2001 |
| 6276220 | Multipurpose groundwater sampler Embodiments of a multipurpose groundwater sampler device are shown and described, each having a sample tube part of which forms a sample chamber, a top portion having a handle, a novel inlet portion, a sediment trap, novel valve means and a means to join ... | 08/21/2001 |
