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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8170234 | Deconvolution methods and systems for the mapping of acoustic sources from phased microphone arrays Mapping coherent/incoherent acoustic sources as determined from a phased microphone array. A linear configuration of equations and unknowns are formed by accounting for a reciprocal influence of one or more cross-beamforming characteristics thereof at varying grid l... | 05/01/2012 |
| 8164485 | System and method for aiding pilot preview, rehearsal, review, and real-time visual acquisition of flight mission progress Embodiments of the invention permit flight paths (current and planned) to be viewed from various orientations to provide improved path and terrain awareness via graphical two-dimensional or three-dimensional perspective display formats. By coupling the flight path i... | 04/24/2012 |
| 8111832 | Method of adjusting acoustic impedances for impedance-tunable acoustic segments A method is provided for making localized decisions and taking localized actions to achieve a global solution. In an embodiment of the present invention, acoustic impedances for impedance-tunable acoustic segments are adjusted. A first acoustic segment through an N-... | 02/07/2012 |
| 8089677 | Dynamic optical grating device and associated method for modulating light A dynamic optical grating device and associated method for modulating light is provided that is capable of controlling the spectral properties and propagation of light without moving mechanical components by the use of a dynamic electric and/or magnetic field. By ch... | 01/03/2012 |
| 8081734 | Miniature, low-power X-ray tube using a microchannel electron generator electron source Embodiments of the invention provide a novel, low-power X-ray tube and X-ray generating system. Embodiments of the invention use a multichannel electron generator as the electron source, thereby increasing reliability and decreasing power consumption of the X-ray tu... | 12/20/2011 |
| 8020805 | High altitude airship configuration and power technology and method for operation of same A new High Altitude Airship (HAA) capable of various extended applications and mission scenarios utilizing inventive onboard energy harvesting and power distribution systems. The power technology comprises an advanced thermoelectric (ATE) thermal energy conversion s... | 09/20/2011 |
| 8015819 | Wet active chevron nozzle for controllable jet noise reduction Disposed at or toward the trailing edge of one or more nozzles associated with a jet engine are injection ports which can selectively be made to discharge a water stream into a nozzle flow stream for the purpose of increasing turbulence in somewhat of a similar fash... | 09/13/2011 |
| 7991595 | Adaptive refinement tools for tetrahedral unstructured grids An exemplary embodiment providing one or more improvements includes software which is robust, efficient, and has a very fast run time for user directed grid enrichment and flow solution adaptive grid refinement. All user selectable options (e.g., the choice of funct... | 08/02/2011 |
| 7985709 | Methodology for the effective stabilization of tin-oxide-based oxidation/reduction catalysts The invention described herein involves a novel approach to the production of oxidation/reduction catalytic systems. The present invention serves to stabilize the tin oxide reducible metal-oxide coating by co-incorporating at least another metal-oxide species, such ... | 07/26/2011 |
| 7962252 | Self-contained avionics sensing and flight control system for small unmanned aerial vehicle A self-contained avionics sensing and flight control system is provided for an unmanned aerial vehicle (UAV). The system includes sensors for sensing flight control parameters and surveillance parameters, and a Global Positioning System (GPS) receiver. Flight contro... | 06/14/2011 |
| 7958733 | Jet engine exhaust nozzle flow effector A jet engine exhaust nozzle flow effector is a chevron formed with a radius of curvature with surfaces of the flow effector being defined and opposing one another. At least one shape memory alloy (SMA) member is embedded in the chevron closer to one of the chevron's... | 06/14/2011 |
| 7912101 | Controlling second harmonic efficiency of laser beam interactions A method is provided for controlling second harmonic efficiency of laser beam interactions. A laser system generates two laser beams (e.g., a laser beam with two polarizations) for incidence on a nonlinear crystal having a preferred direction of propagation. Prior t... | 03/22/2011 |
| 7893602 | Dual-use transducer for use with a boundary-stiffened panel and method of using the same A transducer for use with a boundary-stiffened panel has an inter-digitated electrode (IDE) and a piezoelectric wafer portion positioned therebetween. The IDE and/or the wafer portion are triangular, with one edge or side aligned with a boundary edge of the panel. T... | 02/22/2011 |
| 7890311 | Method of simulating flow-through area of a pressure regulator The flow-through area of a pressure regulator positioned in a branch of a simulated fluid flow network is generated. A target pressure is defined downstream of the pressure regulator. A projected flow-through area is generated as a non-linear function of (i) target ... | 02/15/2011 |
| 7848381 | Multiple-wavelength tunable laser A tunable laser includes dispersion optics for separating generated laser pulses into first and second wavelength pulses directed along first and second optical paths. First and second reflective mirrors are disposed in the first and second optical paths, respective... | 12/07/2010 |
| 7851062 | Metal/fiber laminate and fabrication using a porous metal/fiber preform A metal/fiber laminate has a plurality of adjacent layers. Each layer is porous and includes an arrangement of fibers. At least one of the layers has its fibers coated with a metal. A polymer matrix permeates each such arrangement. ... | 12/14/2010 |
| 7813599 | Method and apparatus for shape and end position determination using an optical fiber A method of determining the shape of an unbound optical fiber includes collecting strain data along a length of the fiber, calculating curvature and bending direction data of the fiber using the strain data, curve-fitting the curvature and bending direction data to ... | 10/12/2010 |
| 7784732 | Boundary-layer-ingesting inlet flow control system A system for reducing distortion at the aerodynamic interface plane of a boundary-layer-ingesting inlet using a combination of active and passive flow control devices is disclosed. Active flow control jets and vortex generating vanes are used in combination to reduc... | 08/31/2010 |
| 7783060 | Deconvolution methods and systems for the mapping of acoustic sources from phased microphone arrays A method and system for mapping acoustic sources determined from a phased microphone array. A plurality of microphones are arranged in an optimized grid pattern including a plurality of grid locations thereof. A linear configuration of N equations and N unknowns can... | 08/24/2010 |
| 7781366 | Sol-gel based oxidation catalyst and coating system using same An oxidation catalyst system is formed by particles of an oxidation catalyst dispersed in a porous sol-gel binder. The oxidation catalyst system can be applied by brush or spray painting while the sol-gel binder is in its sol state. ... | 08/24/2010 |
| 7758927 | Laser-induced fabrication of metallic interlayers and patterns in polyimide films Self-metallizing polyimide films are created by doping polyamic acid solutions with metallic ions and solubilizing agents. Upon creating a film, the film is exposed to coherent light for a specific time and then cured. The resulting film has been found to have a met... | 07/20/2010 |
| 7742663 | Wave energy transmission apparatus for high-temperature environments A wave energy transmission apparatus has a conduit made from a refractory oxide. A transparent, refractory ceramic window is coupled to the conduit. Wave energy passing through the window enters the conduit. ... | 06/22/2010 |
| 7737867 | Multi-modal cockpit interface for improved airport surface operations A system for multi-modal cockpit interface during surface operation of an aircraft comprises a head tracking device, a processing element, and a full-color head worn display. The processing element is configured to receive head position information from the head tra... | 06/15/2010 |
| 7675619 | Micro-LiDAR velocity, temperature, density, concentration sensor A light scatter sensor includes a sensor body in which are positioned a plurality of optical fibers. The sensor body includes a surface, in one end of each of the optical fibers terminates at the surface of the sensor body. One of the optical fibers is an illuminati... | 03/09/2010 |
| 7667847 | Photogrammetric system and method used in the characterization of a structure A photogrammetric system uses an array of spaced-apart targets coupled to a structure. Each target exhibits fluorescence when exposed to a broad beam of illumination. A photogrammetric imaging system located remotely with respect to the structure detects and process... | 02/23/2010 |
| 7655595 | Sol-gel based oxidation catalyst and coating system using same An oxidation catalyst system is formed by particles of an oxidation catalyst dispersed in a porous sol-gel binder. The oxidation catalyst system can be applied by brush or spray painting while the sol-gel binder is in its sol state. ... | 02/02/2010 |
| 7649439 | Flexible thin metal film thermal sensing system A flexible thin metal film thermal sensing system is provided. A self-metallized polymeric film has a polymeric film region and a metal surface disposed thereon. A layer of electrically-conductive metal is deposited directly onto the self-metallized polymeric film's... | 01/19/2010 |
| 7647543 | Reprogrammable field programmable gate array with integrated system for mitigating effects of single event upsets An integrated system mitigates the effects of a single event upset (SEU) on a reprogrammable field programmable gate array (RFPGA). The system includes (i) a RFPGA having an internal configuration memory, and (ii) a memory for storing a configuration associated with... | 01/12/2010 |
| 7590904 | Systems and methods for detecting a failure event in a field programmable gate array An embodiment generally relates to a method of self-detecting an error in a field programmable gate array (FPGA). The method includes writing a signature value into a signature memory in the FPGA and determining a conclusion of a configuration refresh operation in t... | 09/15/2009 |
| 7558371 | Method of generating X-ray diffraction data for integral detection of twin defects in super-hetero-epitaxial materials A method provides X-ray diffraction data suitable for integral detection of a twin defect in a strained or lattice-matched epitaxial material made from components having crystal structures having symmetry belonging to different space groups. The material is mounted ... | 07/07/2009 |
| 7491169 | Ultrasonic apparatus and method to assess compartment syndrome A process and apparatus for measuring pressure buildup in a body compartment that encases muscular tissue. The method includes assessing the body compartment configuration and identifying the effect of pulsatible components on compartment dimensions and muscle tissu... | 02/17/2009 |
| 7484930 | Noise reduction of aircraft flap A reduction in noise radiating from a side of a deployed aircraft flap is achieved by locating a slot adjacent the side of the flap, and then forcing air out through the slot with a suitable mechanism. One, two or even three or more slots are possible, where the slo... | 02/03/2009 |
| 7467536 | Positioning system for single or multi-axis sensitive instrument calibration and calibration system for use therewith A positioning and calibration system are provided for use in calibrating a single or multi axis sensitive instrument, such as an inclinometer. The positioning system includes a positioner that defines six planes of tangential contact. A mounting region within the si... | 12/23/2008 |
| 7467921 | Vortex control for rotor blade devices To control vortices originating at the tips of a rotor's blades rotating through the air at a revolution frequency f, separation control device(s) are actuated to periodically introduce perturbations into the airflow moving over the blades. The periodic introduction... | 12/23/2008 |
| 7414708 | Interferometric Rayleigh scattering measurement system A method and apparatus for performing simultaneous multi-point measurements of multiple velocity components in a gas flow is described. Pulses of laser light are directed to a measurement region of unseeded gas to produce Rayleigh or Mie scattered light in a plurali... | 08/19/2008 |
| 7390768 | Stabilized tin-oxide-based oxidation/reduction catalysts The invention described herein involves a novel approach to the production of oxidation/reduction catalytic systems. The present invention serves to stabilize the tin oxide reducible metal-oxide coating by co-incorporating at least another metal-oxide species, such ... | 06/24/2008 |
| 7381186 | Method and apparatus to assess compartment syndrome A method and apparatus for measuring pressure buildup in a body compartment that encases muscular tissue. The method includes assessing the body compartment configuration and identifying the effect of pulsatile components on at least one compartment dimension. This ... | 06/03/2008 |
| 7375808 | Method and system for sensing and identifying foreign particles in a gaseous environment An optical method and system sense and identify a foreign particle in a gaseous environment. A light source generates light. An electrically-conductive sheet has an array of holes formed through the sheet. Each hole has a diameter that is less than one quarter of th... | 05/20/2008 |
| 7371358 | Catalyst for treatment and control of post-combustion emissions The present invention utilizes two precious metals with two to five different metal-oxides in a layered matrix to convert CO, HCs, and NOx to CO2, and N2 by oxidation of two components and reduction of the other in a moderately high temperature... | 05/13/2008 |
| 7334998 | Low-noise fan exit guide vanes Low-noise fan exit guide vanes are disclosed. According to the present invention a fan exit guide vane has an outer shell substantially shaped as an airfoil and defining an interior cavity. A porous portion of the outer shell allows communication between the fluctua... | 02/26/2008 |
