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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 8181292 | Seat cushion A semi-active seat cushion is disclosed that comprises a plurality of chambers for containing a pressurized fluid, wherein each chamber is connected to at least one other chamber by an orifice that provides a fluid connection; a supply conduit for supplying a pressu... | 05/22/2012 |
| 8177423 | Thermal history sensor utilizing electrical conductivity and magnetic permeability The present invention provides a thermal history sensor having a plurality of substrates positioned adjacent to an item. The substrates include different compositions, such that the substrates respond to thermal exposures with different changes in electrical conduct... | 05/15/2012 |
| 8173763 | Carbon nanofibers and nanotubes grafted with a hyperbranched poly (ether-ketone) and its derivatives Provided are hyperbranched poly(ether-ketone)-based nanocomposites with the following generic formula: wherein n is the degree of polymerization and R is carboxylic acid (COOH) and various functional groups that could be de... | 05/08/2012 |
| 8169693 | Fiber bundle phase conjugate mirror An improved method and apparatus for passively conjugating the phases of a distorted wavefronts resulting from optical phase mismatch between elements of a fiber laser array are disclosed. A method for passively conjugating a distorted wavefront comprises the steps ... | 05/01/2012 |
| 8154792 | Multi-layer gallium arsenide-based fresnel phase-shift device for infrared wavelength conversion A new nonlinear optical structure for frequency conversion is described. The new nonlinear optical structure is a multilayer wafer comprising alternating layers of gallium arsenide and aluminum gallium arsenide onto a gallium arsenide substrate. The new device is bo... | 04/10/2012 |
| 8153812 | Two-photon absorbing diphenylaminofluorene-benzothiazole bis(aminophenoxy) monomers Provided are new 2PA chromophores of the formula: wherein X=para- or meta-NO2; para- or meta-NH2; and CnHn+1 is either a straight or branched alkyl chain, and n is an integer from... | 04/10/2012 |
| 8149177 | Slotted waveguide antenna stiffened structure A slotted waveguide antenna stiffened structure for an aircraft having an aircraft skin. The slotted waveguide antenna stiffening structure including a structural stiffening element reinforcing the aircraft skin; the structural element connected to a radio frequency... | 04/03/2012 |
| 8149166 | Scalable phased array beamsteering control system A scalable phased array beamsteering control system to beamsteer a phased array antenna. The control system includes an overlord controller, a plurality of master controllers and a plurality of groups of slave controllers arranged in a daisy chain configuration.... | 04/03/2012 |
| 8147943 | Replaceable impact resistant thermal protection system A thermal protection system capable of withstanding impact loads without a detrimental effect to its main function, i.e. a protection of the vehicle from high temperature during re-entry or flight in the atmosphere. The system consists of the outer ceramic matrix co... | 04/03/2012 |
| 8145019 | Self adapting sensor The present invention provides a method for adjusting a diffraction grating to changes in ambient conditions. The method includes writing a diffraction grating in the photorefractive waveguide with a laser, measuring spectral characteristics of the diffraction grati... | 03/27/2012 |
| 8143597 | Remote sensing phase fluorimetry using mercury vapor lamp An efficient and portable method for remote detection of a target mineral material through frequency domain fluorimetry, a detection technique that measures the time lag between absorption and emission of photons, thereby determining the lifetime of said target mine... | 03/27/2012 |
| 8142874 | Bi-material composite structure with reduced thermal expansion A planar two material structure comprising a first material having a coefficient of thermal expansion greater than zero and a second material having a second coefficient of thermal expansion greater than zero. The two materials structurally combined in a plurality o... | 03/27/2012 |
| 8138257 | Bis(trialkylsiloxyphenyl)-arylfluoride imide ABmonomers, hyperbranched polymers and nanoclay composites therefrom Novel aromatic AB2 imide monomer with thermally reactive trialkylsiloxy and aryl fluoride moieties, which can be polymerized to form hyperbranched aromatic polyimides in the presence of a metal fluoride catalyst. Nanoclay composites were generated by eith... | 03/20/2012 |
| 8137597 | One-part, pressure activated chemiluminescent material A one-part, pressure activated chemiluminescent material is disclosed. The free-flowing powder is made by coating microcapsules, filled with a solvent and dye, with a powdered oxalate and a solid source for hydrogen peroxide. The reaction begins when the capsules ar... | 03/20/2012 |
| 8134516 | Electrically small supergain endfire array antenna An electrically small supergain endfire transmitting and receiving array antenna comprising at least one first resonant element with a first input terminal. The first resonant element driven by a power supply voltage supplied at the first input terminal. The electri... | 03/13/2012 |
| 8114663 | Method for consolidated waste management and resource recovery A waste management and resource recovery system that uses the different waste streams from typical waste sources as fuel or feedstock for its subsystems that, in turn, produce fuel, feedstock or energy for other subsystems such that all the different waste streams a... | 02/14/2012 |
| 8111164 | Employing millimeter-wave electromagnetic energy in collision avoidance One example of a solution provided here comprises: identifying a location of one or more animals that are on a path to collide with a vehicle or device; directing millimeter-wave electromagnetic energy toward the location; and administering an effective amount of th... | 02/07/2012 |
| 8100318 | Joining of tungsten alloys A process of making useful shapes by joining of tungsten alloys. Joining of tungsten heavy alloys which are alloys typically made from W—Ni—Fe is used. These alloys are typically manufactured by liquid phase sintering. This leads to difficulty in producing large... | 01/24/2012 |
| 8094834 | Remote auditory spatial communication aid The present invention provides a means for two or more remotely-located individuals to communicate information about the spatial coordinates of a location of mutual interest in a more rapid, robust, and intuitive manner than is possible with any current voice commun... | 01/10/2012 |
| 8093802 | Light emitting diode with a deoxyribonucleic acid (DNA) biopolymer The present invention uses a DNA-based biopolymer material as a host for phosphor guest materials that are used for solid state lighting. The DNA-biopolymer replaces the epoxies, which are typically used as the hosts for these phosphors. The resulting DNA-biopolymer... | 01/10/2012 |
| 8092894 | High strength polymerics Provided is a method for making strong load-bearing plastics which includes, forming a mixture of magnetically tagged, electrically tagged, and untagged polymeric rods and flowing the mixture of the three types of rods through a forming tool across which, electric a... | 01/10/2012 |
| 8071340 | Biocatalytic process for the production of ortho-aminophenols from chloramphenicol and analogs A process for the production of ortho-aminophenolic analogs of chloramphenicol using a biocatalyst consisting of pure enzymes, partially purified enzymes, cell lysate, intact cells, or a metal reaction linked with a subsequent enzymatic reaction. The biocatalyst is ... | 12/06/2011 |
| 8063362 | Ionic liquid membrane for air-to-vacuum sealing and ion transport An ionic liquid membrane provides both vacuum sealing and ion transport for a mass spectrometer. Ion transport is necessary to take advantage of modern Electrospray Ionization (ESI) and Desorption Electrospray Ionization (DESI) methods. Combining vacuum sealing for ... | 11/22/2011 |
| 8063228 | Conversion of salt halides to nitrate salts Methods of preparing heterocyclic triazolium-based nitrate salts by a streamlined process are provided. Such salts offer energetic performance as well as pharmaceutical potential. ... | 11/22/2011 |
| 8059026 | Interference avoiding transform domain radar An ultra-wideband pulse Doppler radar employing a transform domain communication system class of output waveform, a waveform additionally modified for enhanced radar usage. The achieved waveform includes sequential radar output pulse discrimination, improved pulse r... | 11/15/2011 |
| 8058380 | POSS enhanced compositions A. new compound, a high temperature POSS-dianiline is provided. It is a composition of nanoparticles, which can be incorporated into polymers such as polyimides, polyamides, cyanate esters, and epoxies, for improved properties and performance of such polymers. ... | 11/15/2011 |
| 8041121 | Algorithm for rapid endmembers determination (ALRED) in hyperspectral data A method for rapid processing of large sets of hyperspectral data. A hyperspectral image, with hundreds of thousands to millions of pixels measured at hundreds of wavelengths, can contain over a gigabyte of data. Even modern computers can be quite slow when performi... | 10/18/2011 |
| 8034202 | Hypergolic fuels Provided is a hypergolic bipropellant formed by combining a IL fuel having a dicyanamide anion and a nitrogen-containing, heterocyclic-based cation with an oxidizer for such fuel. ... | 10/11/2011 |
| 8033224 | Spiral linear shaped charge jet The invention represents a novel system for controlling the yield of an explosive charge that enables the explosive yield to be selected or decreased from full-yield detonation incrementally down to low-yield detonation using a continuous linear shaped charge jet sp... | 10/11/2011 |
| 8027537 | Visual object identification by computational majority voting A method of distinguishing an object in an image. The method including the steps of detecting an image with an optical device where the image includes at least one object. Identifying at least one object using a central processing unit (CPU) that includes a central ... | 09/27/2011 |
| 8018648 | Nanoparticle doped hybrid photorefractives The present invention provides a photorefractive hybrid cell including a window and a gain media disposed adjacent the window. The gain media includes nanoparticles therein. The window includes a material that forms a space-charge field. The gain media includes a ma... | 09/13/2011 |
| 8015924 | Linear cellular bomb case A warhead consisting of a relatively thin metal shell casing and interior open linear cells which run throughout its length manufactured by electrical discharge machining and slip fitting. ... | 09/13/2011 |
| 8015920 | Solid fuel rocket thrust control A solid fuel rocket burn rate control employing electrical energy preheating of the fuel grain at a plurality of locations dispersed over the grain burn face cross-section as a thrust control arrangement. The electrical energy of the preheating is generated by elect... | 09/13/2011 |
| 7978821 | Laue crystallographic orientation mapping system A device for measuring crystal orientation with an x-ray source using the Laue method and includes an apparatus for mapping a polycrystalline surface having a grain orientation. The apparatus including an x-ray source creating an x-ray beam, the beam having polychro... | 07/12/2011 |
| 7977137 | Latching zip-mode actuated mono wafer MEMS switch method A process for making a latching zip-mode actuated mono wafer MEMS switch especially suited to capacitance coupled signal switching of microwave radio frequency signals is disclosed. The single wafer fabrication process used for the switch employs sacrificial layers ... | 07/12/2011 |
| 7976727 | Chromium-doped zinc-nitro-antimony-gallium-tellurium infrared phosphors This patent covers infrared phosphorescent materials which exhibit extended persistence lifetimes and are composed of mixtures of the elements zinc, antimony, gallium, tellurium, oxygen and nitrogen, and are doped with varying amounts of chromium, neodymium, dyspros... | 07/12/2011 |
| 7976589 | Chemical deoxygenation of hydrocarbon liquids using temperature triggerable reactive core-shell materials Nanoscopic core-shell material additives for high temperature jet aviation fuels are disclosed. The nanometer dimensions of these core-shell material additives materials provide extremely large surface areas to promote chemical reactivity while permitting suspension... | 07/12/2011 |
| 7965221 | Selective disruptor for voice modulated communications A method and system for selectively disrupting voice modulated radio communications circuits wherein the original communication is recorded, delayed for a selected period then synchronized with a transmitted signal and reinjected into the transmitted signal thereby ... | 06/21/2011 |
| 7960804 | Latching zip-mode actuated mono wafer MEMS switch A latching zip-mode actuated mono wafer MEMS switch especially suited to capacitance coupled signal switching of microwave radio frequency signals is disclosed. The single wafer fabrication process used for the switch employs sacrificial layers and liquid removal of... | 06/14/2011 |
| 7960471 | Nanocomposites from in-situ polymerization of 3-phenoxy-benzoic acid in the presence of vapor-grown carbon nanofibers A poly(ether-ketone) composite of the formula: wherein CNF is carbon nanofibers and MWNT is multi-walled carbon nanotubes; wherein Ar represents ether-ketone repeating groups of the formula ... | 06/14/2011 |
