Famous Patents
In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7921739 | In situ sampling and monitoring a fluid A method for in situ sampling and monitoring of a fluid flowing in a flow path, whereby the fluid is to be directed to a chamber a first valve may provide a connection between an inlet to the chamber and the flow path and a second valve may provide a connection betw... | 04/12/2011 |
| 7798021 | Method and apparatus for sample processing and injection A sample processing/injection device for liquid chromatography comprises a septum at one end of the device, a processing chamber and injection needle disposed on a second end of the device. A fluid sample is transferred into the device by a transfer needle penetrati... | 09/21/2010 |
| 7726211 | Scent evidence collecting and transfer device An improved scent transfer device for collecting evidence at a crime scene. The device comprises a gas cartridge coupled to an air valve. A holder having a sterile pad positioned therein is secured to one end of a housing containing said air valve by locking protrus... | 06/01/2010 |
| 7549349 | Sample cartridge for air-sampling device The present invention provides a sample cartridge for use with an air and gas sampling device. The cartridge includes a body that defines an interior space, a top portion attached to the body and substantially covering the interior space, and first and second valves... | 06/23/2009 |
| 7438858 | Dispensing assembly for liquid droplets A dispensing assembly for liquid droplets that includes a dispenser connected to a liquid carrying pipe which in turn is connected to a source of pressurized liquid. The dispenser has an elongated body member having a main bore connected to the liquid carrying pipe.... | 10/21/2008 |
| 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 |
| 7367243 | Traps and vents in flow-through pipet This invention relates generally to a volumetric pipet used to make a volumetric measurement and transfer a measured amount of liquid. More specifically the invention relates to a pipet that fills from the top, works well with automated systems because it does not r... | 05/06/2008 |
| 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 |
| 7360461 | Air monitoring system having tubing with an electrically conductive inner surface for transporting air samples An air monitoring system includes a tubing having an electrically conductive inner surface. In one embodiment, the liner includes carbon based materials, such as for example carbon nanotubes. In another embodiment, a conductive layer is adhered to a substrate. ... | 04/22/2008 |
| 7357043 | Chemical trace detection portal based on the natural airflow and heat transfer of vehicles A portal is provided with a detector for detecting trace amounts of substances of interest that may be retained on the surface or interior of a vehicular subject. The portal relies upon the continuous process by which microscopic flakes of dust, dirt, pollen, and ot... | 04/15/2008 |
| 7331213 | Sensor device for determining constituents of a flowing medium A device has at least one sensor for determining one or more constituents of a medium flowing in an installation duct. The device has a housing and a main channel, which is connected to said housing and is closed at an end remote from the housing. The main channel h... | 02/19/2008 |
| 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 |
| 7288760 | Conformational real-time atmospheric and environmental characterization sampling apparatus and method The present invention relates generally to a method and apparatus for real-time environmental gas sampling. A manifold is disclosed allowing for real-time gas sampling and monitoring/analysis of atomospheric over a wide range of oxygen contents, e.g., oxygen-rich as... | 10/30/2007 |
| 7273561 | Method for determining the chemical dosage required to reduce sulfides in wastewater to acceptable levels An apparatus and method of determining chemical dosage required to reduce sulfides in wastewater includes providing a headspace apart from the wastewater. The temperature of the wastewater and the concentration of sulfide gas in the headspace are measured. Dissolved... | 09/25/2007 |
| 7265669 | Networks with sensors for air safety and security Airborne particles are impacted on a collection surface, analyzed, and then the collection surface is regenerated. Thus, the same collection surface can be used in numerous cycles. The analysis can be focused on one or more properties of interest, such as the concen... | 09/04/2007 |
| 7253005 | Catalyst sampling system A method and apparatus are provided for obtaining a reproducible sample of solid particles. The reproducible sample is obtained by receiving solid particles into a collection system that includes a sheltered volume. Solid particles that settle outside of the shelter... | 08/07/2007 |
| 7194924 | System and method for biohazard detection using compression The present invention includes a system and method for detecting contaminated objects, for example mail pieces, through use of a pinching device that compresses the objects, thereby possibly releasing potential contaminant-containing particles into the air in a clos... | 03/27/2007 |
| 7180418 | Active threat detection and elimination while in transit A method of active detection of at least one threat to the homeland security. Each such threat is either hidden inside at least one cargo container before transit, or is placed inside at least one cargo container while in transit; each such threat while interacting ... | 02/20/2007 |
| 7169599 | Fluid interface for bioprocessor systems An apparatus and method for an aseptic fluidic interface between bioprocess systems is provided. The apparatus includes an inlet valve, adapted for automatic control, that is coupled to a biofluid source site. A sampling conduit extends from the inlet valve to an ou... | 01/30/2007 |
| 7134318 | Method of analyzing entrained liquid in a vapor containing fluid 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 system configured to obtain a representative gas phase sample from a pr... | 11/14/2006 |
| 7113277 | System and method of aerosolized agent capture and detection System and method of aerosolized agent detection. Multi-part collection tape is employed for capturing particles of interest for immediate analysis and optional forensic preservation and recording information related to capture and subsequent real-time analysis. Las... | 09/26/2006 |
| 7104112 | Phased micro analyzer IV A fluid analyzer having a concentrator and separator for concentrating and separating fluid samples at pressures up to about 10,000 psi (˜700 bar). The concentrator and separator may consist of a solid-state thin-film heater-adsorber and a channel supported by a so... | 09/12/2006 |
| 7104148 | Method and apparatus for evaluating the flowability of core forming materials A method and apparatus for evaluating the flowability of a core-forming material in which an airborne core-forming material is blown downwardly into a first, downwardly extending, long and confining passageway for a predetermined time, and the airborne core-forming ... | 09/12/2006 |
| 7100422 | Systems and methods for residue collection with improved letter handling capability Systems and methods for the detection of substances (particularly particulate substances) within mail pieces, specifically letters and other “flats” of mail. In particular, the systems and methods are for the detection of residues of Chemical or Biological Warfa... | 09/05/2006 |
| 7082848 | Method of transferring a representative fluid sample from a pressurized source into a sample bottle An injection needle particularly intended for transferring a representative fluid sample into a sample bottle (1) is closed by a membrane (2) made from a rubber elastic material. The needle has a tubular inner wall (6) having a needle point (... | 08/01/2006 |
| 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 the intake assembly and adapted to separate aerosol particles from the... | 06/20/2006 |
| 7032444 | Module for extracting gas from an underground liquid and installation equipped therewith This invention concerns a module for extracting samples in gas phase of compounds present in an underground working liquid, the extractor module including a receptacle for the liquid, associated with a device for stirring the liquid, a liquid inlet duct, a liquid ev... | 04/25/2006 |
| 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 |
| 7019541 | Electric conductivity water probe An electric conductivity water probe consisting of a test chamber having a wall, a fluids input/output port, and a water input port, the wall having a first and at least a second wall section, the first and at least second wall sections being electrically isolated f... | 03/28/2006 |
| 7008793 | Method and device for taking a sample of an emulsion circulating in a line The present invention is intended to take a sample of an emulsion circulating in a line. The emulsion is momentarily diverted from the main circulation line 1 thereof to a bypass line 2. By restoring circulation of the emulsion in main line 1, a... | 03/07/2006 |
| 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 system configured to obtain a representative gas phase sample from a pr... | 02/28/2006 |
| 7000452 | Phased micro fluid analyzer A micro fluid analyzer having a concentrator and separator. A strip continuous through a channel in the concentrator may provide a hot zone that may move with the flow of fluid through the channel of the concentrator to provide a concentration of heat in the flow. A... | 02/21/2006 |
| 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 accessible delivery or collection site. The sampling device comprise... | 12/27/2005 |
| 6968729 | Method and apparatus for expediting analysis of samples The present invention comprises a method for expediting the analysis of a plurality of samples, preferably using gas chromatography. A specific embodiment comprises a dual isothermal heated zone configuration for use in combinatorial chemistry. This involves partiti... | 11/29/2005 |
| 6959615 | Sample collection and processing device A sample processing device [700] comprises an elongated body [101] with a septum seal [109] on one end and a drip tube [731] on the second end. A small-diameter through-chamber [103] in the body provides a receiving and alignment c... | 11/01/2005 |
| 6957592 | Reservoir for use with sampling interface for a vehicle The invention comprises a vessel for solid phase micro-extraction chemical sampling. The vessel includes a container having an open end and a cap used to close the open end. The cap has a holder to hold a solid phase coated fiber within an interior of the container.... | 10/25/2005 |
| 6948390 | Flow through pipet The present invention is directed to a flow through pipet for sample measurement. The pipet of the invention has a body defining an interior space for receiving a fluid. The drain line is provided to drain fluid above a drain line inlet, thereby establishing a repea... | 09/27/2005 |
| 6946300 | Multi-modal detection of explosives, narcotics, and other chemical substances A compact scanning apparatus has an infrared laser adapted to emit light. The light is delivered as a beam by an optical system to illuminate an interrogation area on the surface of an object being scanned to cause selective desorption of molecules of the contraband... | 09/20/2005 |
| 6938691 | Portable groundwater sampling system A portable groundwater sampling system utilizing an air pump in combination with a sampling tank, valves, and a pressure gauge to sample a liquid from a below ground surface monitoring well. The system includes a portable power supply for energizing the air pump and... | 09/06/2005 |
| 6929715 | Method and a device for measuring concentrations A method and a device for measuring concentrations especially in a pulp suspension, from which a sample has been taken. The sample is collected in a measuring vessel, in which a piston is guided upwards and downwards in order to press the sample from each direction ... | 08/16/2005 |
