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Assignee: The United States of America as represented by the United States


Location: Washington, DC
No. of patents: 3977

1                      
NumberTitleIssue Date
7166797Tandem filters using frequency selective surfaces for enhanced conversion efficiency in a thermophotovoltaic energy conversion system
This invention relates to the field of thermophotovoltaic (TPV) direct energy conversion. In particular, TPV systems use filters to minimize parasitic absorption of below bandgap energy. This invention constitutes a novel combination of front surface filters to incr...
01/23/2007
7164006Alteration of plant meristem function by manipulation of the Retinoblastoma-like plant RRB gene
This invention provides methods and compositions for altering the growth, organization, and differentiation of plant tissues. The invention is based on the discovery that, in plants, genetically altering the levels of Retinoblastoma-related gene (RRB) activity produ...
01/16/2007
7159841Piezoelectric axial flow microvalve
This invention is directed to a fuel cell operable with a quantity of fuel and a quantity of an oxidizer to produce electrical power, the fuel cell including a fuel cell body including a labyrinth system structured to permit the fuel and the oxidizer to flow thereth...
01/09/2007
7134342Magnetic infrasound sensor
A magnetic infrasound sensor is produced by constraining a permanent magnet inside a magnetic potential well above the surface of superconducting material. The magnetic infrasound sensor measures the position or movement of the permanent magnet within the magnetic p...
11/14/2006
7128894Contrast enhancing solution for use in confocal microscopy
A method of optically detecting a tumor during surgery. The method includes imaging at least one test point defined on the tumor using a first optical imaging system to provide a first tumor image. The method further includes excising a first predetermined layer of ...
10/31/2006
7118720Method for combined removal of mercury and nitrogen oxides from off-gas streams
A method for removing elemental Hg and nitric oxide simultaneously from a gas stream is provided whereby the gas stream is reacted with gaseous chlorinated compound to convert the elemental mercury to soluble mercury compounds and the nitric oxide to nitrogen dioxid...
10/10/2006
7115887Method for generating extreme ultraviolet with mather-type plasma accelerators for use in Extreme Ultraviolet Lithography
A device and method for generating extremely short-wave ultraviolet electromagnetic wave uses two intersecting plasma beams generated by two plasma accelerators. The intersection of the two plasma beams emits electromagnetic radiation and in particular radiation in ...
10/03/2006
7115542Removal of radioactive and other hazardous material from fluid waste
Hollow glass microspheres obtained from fly ash (cenospheres) are impregnated with extractants/ion-exchangers and used to remove hazardous material from fluid waste. In a preferred embodiment the microsphere material is loaded with ammonium molybdophosphonate (AMP) ...
10/03/2006
7110174Relay telescope for high power laser alignment system
A laser system includes an optical path having an intracavity relay telescope with a telescope focal point for imaging an output of the gain medium between an image location at or near the gain medium and an image location at or near an output coupler for the laser ...
09/19/2006
7100670Method for fabricating uranium foils and uranium alloy foils
A method of producing thin foils of uranium or an alloy. The uranium or alloy is cast as a plate or sheet having a thickness less than about 5 mm and thereafter cold rolled in one or more passes at substantially ambient temperatures until the uranium or alloy thereo...
09/05/2006
7099141Ceramic capacitor exhibiting graceful failure by self-clearing, method for fabricating self-clearing capacitor
A short-resistant capacitor comprises an electrically conductive planar support substrate having a first thickness, a ceramic film deposited over the support substrate, thereby defining a ceramic surface; and a metallic film deposited over the ceramic surface, said ...
08/29/2006
7096123Reformulated diesel fuel and method
A method for mathematically identifying at least one diesel fuel suitable for combustion in an automotive diesel engine with significantly reduced emissions and producible from known petroleum blendstocks using known refining processes, including the use of cetane a...
08/22/2006
7075058Photothermal imaging scanning microscopy
Photothermal Imaging Scanning Microscopy produces a rapid, thermal-based, non-destructive characterization apparatus. Also, a photothermal characterization method of surface and subsurface features includes micron and nanoscale spatial resolution of meter-sized opti...
07/11/2006
7076092High-throughput, dual probe biological assays based on single molecule detection
A method and apparatus with the sensitivity to detect and identify single target molecules through the localization of dual, fluorescently labeled probe molecules. This can be accomplished through specific attachment of the taget to a surface or in a two-dimensional...
07/11/2006
7042556Device and nondestructive method to determine subsurface micro-structure in dense materials
A method and a device to detect subsurface three-dimensional micro-structure in a sample by illuminating the sample with light of a given polarization and detecting light emanating from the sample that has a different direction of polarization by means of a confocal...
05/09/2006
7038460Electrostatic dust detector
An apparatus for detecting dust in a variety of environments which can include radioactive and other hostile environments both in a vacuum and in a pressurized system. The apparatus consists of a grid coupled to a selected bias voltage. The signal generated when dus...
05/02/2006
7033419Method for high temperature mercury capture from gas streams
A process to facilitate mercury extraction from high temperature flue/fuel gas via the use of metal sorbents which capture mercury at ambient and high temperatures. The spent sorbents can be regenerated after exposure to mercury. The metal sorbents can be used as pu...
04/25/2006
7018524Reformulated diesel fuel
Reformulated diesel fuels for automotive diesel engines which meet the requirements of ASTM 975-02 and provide significantly reduced emissions of nitrogen oxides (NOx) and particulate matter (PM) relative to commercially available diesel fuels. ...
03/28/2006
7014817Disposable remote zero headspace extractor
The remote zero headspace extractor uses a sampling container inside a stainless steel vessel to perform toxicity characteristics leaching procedure to analyze volatile organic compounds. The system uses an in line filter for ease of replacement. This eliminates cle...
03/21/2006
7011736Ugeneration in HTER
A improved device and process for recycling spent nuclear fuels, in particular uranium metal, that facilitates the refinement and recovery of uranium metal from spent metallic nuclear fuels. The electrorefiner device comprises two anodes in predetermined spatial rel...
03/14/2006
7007474Energy recovery during expansion of compressed gas using power plant low-quality heat sources
A method of recovering energy from a cool compressed gas, compressed liquid, vapor, or supercritical fluid is disclosed which includes incrementally expanding the compressed gas, compressed liquid, vapor, or supercritical fluid through a plurality of expansion engin...
03/07/2006
7000490Thermoelectrically cooled water trap
A water trap system based on a thermoelectric cooling device is employed to remove a major fraction of the water from air samples, prior to analysis of these samples for chemical composition, by a variety of analytical techniques where water vapor interferes with th...
02/21/2006
6994831Oxidative tritium decontamination system
The Oxidative Tritium Decontamination System, OTDS, provides a method and apparatus for reduction of tritium surface contamination on various items. The OTDS employs ozone gas as oxidizing agent to convert elemental tritium to tritium oxide. Tritium oxide vapor and ...
02/07/2006
6994930Direct fired reciprocating engine and bottoming high temperature fuel cell hybrid
A system of a fuel cell bottoming an internal combustion engine. The engine exhaust gas may be combined in varying degrees with air and fed as input to a fuel cell. Reformer and oxidizers may be combined with heat exchangers to accommodate rich and lean burn conditi...
02/07/2006
6981516Fail save shut off valve for filtering systems employing candle filters
The invention relates to an apparatus that acts as a fail save shut off valve. More specifically, the invention relates to a fail save shut off valve that allows fluid flow during normal operational conditions, but prevents the flow of fluids in the event of system ...
01/03/2006
6979150In-situ containment and extraction of volatile soil contaminants
The invention relates to a novel approach to containing and removing toxic waste from a subsurface environment. More specifically the present invention relates to a system for containing and removing volatile toxic chemicals from a subsurface environment using diffe...
12/27/2005
6977272Method for antagonizing inhibition effects of alcohol on cell adhesion
A method of antagonizing inhibition effects of alcohol on cell adhesion is disclosed comprising contacting a cell-adhesion molecule expressing cell with an effective amount of a compound, wherein the compound comprises an alcohol selected from the group consisting o...
12/20/2005
6972562Near-field magneto-optical microscope
A device and method for mapping magnetic fields of a sample at a resolution less than the wavelength of light without altering the magnetic field of the sample is disclosed. A device having a tapered end portion with a magneto-optically active particle positioned at...
12/06/2005
6967011Method for synthesizing extremely high-temperature melting materials
The invention relates to a method of synthesizing high-temperature melting materials. More specifically the invention relates to a containerless method of synthesizing very high temperature melting materials such as borides, carbides and transition-metal, lanthanide...
11/22/2005
6963816Systems and methods for integrated emissivity and temperature measurement of a surface
A multi-channel spectrometer and a light source are used to measure both the emitted and the reflected light from a surface which is at an elevated temperature relative to its environment. In a first method, the temperature of the surface and emissivity in each wave...
11/08/2005
6959589Ultrasound analysis of slurries
An autoclave reactor allows for the ultrasonic analysis of slurry concentration and particle size distribution at elevated temperatures and pressures while maintaining the temperature- and pressure-sensitive ultrasonic transducers under ambient conditions. The react...
11/01/2005
6960311Radiation shielding materials and containers incorporating same
An improved radiation shielding material and storage systems for radioactive materials incorporating the same. The PYRolytic Uranium Compound (“PYRUC”) shielding material is preferably formed by heat and/or pressure treatment of a precursor material comprising m...
11/01/2005
6946885Ripple gate drive circuit for fast operation of series connected IGBTs
A ripple gate drive circuit includes a plurality of transistors having their power terminals connected in series across an electrical potential. A plurality of control circuits, each associated with one of the transistors, is provided. Each control circuit is respon...
09/20/2005
6942998Process for generation of hydrogen gas from various feedstocks using thermophilic bacteria
A method for producing hydrogen gas is provided comprising selecting a bacteria from the Order Thermotogales, subjecting the bacteria to a feedstock and to a suitable growth environment having an oxygen concentration below the oxygen concentration of water in equili...
09/13/2005
6919061In-situ method for treating residual sodium
A unique process for deactivating residual sodium in Liquid Metal Fast Breeder Reactor (LMFBR) systems which uses humidified (but not saturated) carbon dioxide at ambient temperature and pressure to convert residual sodium into solid sodium bicarbonate. ...
07/19/2005
6898936Compression stripping of flue gas with energy recovery
A method of remediating and recovering energy from combustion products from a fossil fuel power plant having at least one fossil fuel combustion chamber, at least one compressor, at least one turbine, at least one heat exchanger and a source of oxygen. Combustion pr...
05/31/2005
6890497Method for extracting and sequestering carbon dioxide
A method and apparatus to extract and sequester carbon dioxide (CO2) from a stream or volume of gas wherein said method and apparatus hydrates CO2, and reacts the resulting carbonic acid with carbonate. Suitable carbonates include, but are not ...
05/10/2005
6891913Nuclear storage overpack door actuator and alignment apparatus
The invention is a door actuator and alignment apparatus for opening and closing the 15,000-pound horizontally sliding door of a storage overpack. The door actuator includes a ball screw mounted horizontally on a rigid frame including a pair of door panel support ra...
05/10/2005
6887069Real-time combustion controls and diagnostics sensors (CCADS)
The present invention is directed to an apparatus for the monitoring of the combustion process within a combustion system. The apparatus comprises; a combustion system, a means for supplying fuel and an oxidizer, a device for igniting the fuel and oxidizer in order ...
05/03/2005
6858998Variable-period undulators for synchrotron radiation
A new and improved undulator design is provided that enables a variable period length for the production of synchrotron radiation from both medium-energy and high-energy storage rings. The variable period length is achieved using a staggered array of pole pieces mad...
02/22/2005
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