Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8000945 | Method for determining heterogeneous bottom friction distributions using a numerical wave model A computer-implemented inversion method for determining characteristics of a bottom roughness field using a numerical wave model is provided. Measured wave heights over an area of interest are compared to predicted wave heights calculated by a wave model using an es... | 08/16/2011 |
| 7954410 | Fast rope A fast rope, which includes a weighted core, a first braid surrounding the core, a second braid surrounding the first braid, and a third braid surrounding the second braid. The core is constructed from lead wires extruded over a polyester yarn, the first braid is st... | 06/07/2011 |
| 7382780 | Method for time coding of asynchronous data transmissions A method of transmitting data includes synchronizing a system clock with a real time clock. Digital data is collected from multiple sources at a system clock time. A sample counter provides a count for each system clock time. The digital data for each source is asso... | 06/03/2008 |
| 7361427 | Manifold for a pile configured battery An improved method of fabricating and discharging a pile configured battery which utilizes an electrically conductive flowing aqueous electrolyte. This is accomplished by use of a single piece hydraulic manifold plate which decouples the hydraulic performance parame... | 04/22/2008 |
| 7349292 | Increased effective aperture for receive arrays A sonar dome having an acoustic array housed therein. A plurality of bubbles are generated within the fluid inside the sonar dome. The generated bubbles are of an amount and size to reduce the speed of sound within the sonar dome fluid. Reduction of the speed of sou... | 03/25/2008 |
| 7319640 | Noise suppression system A method and apparatus is provided for suppressing noise which includes receiving a plurality of signals from an array of sensors and transforming each of these signals to the frequency domain. The transformed signals are beamformed so that noise sources can be iden... | 01/15/2008 |
| 7311496 | Apparatus and method for generating electric energy in a fluid environment Apparatus for generating electrical energy in a fluid environment, the apparatus including a wing member for disposition in the fluid and pivotally movable about an axis in response to flow of the fluid thereabout, connector rods each pivotally mounted at a first en... | 12/25/2007 |
| 7310286 | System for undersea digital acoustic communications An undersea communications system in which a message is converted to a redundant fixed-length data packet and transmitted acoustically as a quadrature phase-keyed signal in a frequency band with a continuous pilot signal at a frequency closely adjacent to the freque... | 12/18/2007 |
| 7302744 | Method of fabricating an acoustic transducer array A method that involves establishing the performance level of a proposed acoustic transducer array. Deriving a geometric shape for the array based on the established performance level. Selecting piezoceramic materials based on considerations related to the performanc... | 12/04/2007 |
| 7302139 | Thermally compensated fiber bragg grating mount A thermally compensated fiber Bragg grating package is used with a fiber optic sensor. The package includes a Bragg grating mount connected at each end of a sensor mandrel. An optical fiber is wound around the sensor mandrel and a fiber portion having a Bragg gratin... | 11/27/2007 |
| 7300323 | Linear actuator for flapping hydrofoil A linear actuator is provided that converts linear motion to oscillatory motion. The linear actuator includes flats, a hinge, and linear actuators. A hydrofoil is mountable on a spindle attached to the hinge. In operation, a linear push direction by the linear actua... | 11/27/2007 |
| 7295493 | Pressure tolerant fiber optic hydrophone An interferometric hydrophone is disclosed that comprises a first mandrel defining an interior that is open to surrounding fluid. A sensing optical fiber is wound upon the first mandrel. A second mandrel is positioned in surrounding relationship with respect to the ... | 11/13/2007 |
| 7287252 | Universal client and consumer In a network computing environment with a distributed software system utilizing Common Object Request Broker Architecture (CORBA), a Universal Client and Consumer tool that creates Client and Consumer implementations for use in interacting with any existing Servers ... | 10/23/2007 |
| 7283424 | High speed underwater projectile tracking system and method A system and a method are provided to accurately track the trajectory of high-speed underwater objects. A number of hoops with means for controlling the buoyancy thereof are aligned on a range in the anticipated path of the high speed projectile. The hoops are suffi... | 10/16/2007 |
| 7282634 | Vapor explosion weapon The apparatus of the present invention utilizes the heat energy of a weapon propulsion system to produce a vapor explosion. It includes an outer shell with a nozzle port and a body being made from a metal. The body surrounds a propulsion device and captures its wast... | 10/16/2007 |
| 7281482 | Side thruster performance improvement with power optimization controller A system and method of use for a marine vehicle to compensate for the effects of forward velocity of the vehicle and ambient currents of a water medium on lateral thrust from a lateral tunnel in the vehicle. A thruster in the tunnel has a variable pitch propeller ro... | 10/16/2007 |
| 7276839 | Bondable fluoropolymer film as a water block/acoustic window for environmentally isolating acoustic devices A combination transducer and water-blocking film for acoustic signaling through ambient water. The water-blocking film has an etched fluoropolymer film and adjacent bonding film interposed between the transducer and the water. Potting material extends adjacent to an... | 10/02/2007 |
| 7274622 | Nonlinear techniques for pressure vector acoustic sensor array synthesis The present invention presents a method for use with an acoustic sensor array comprised of a number of pressure-vector sensors capable of sensing the acoustic scalar field and acoustic vector field of an acoustic wave. The method is a signal processing technique tha... | 09/25/2007 |
| 7274441 | Natural fiber span reflectometer providing a virtual differential signal sensing array capability A CW lightwave modulated by a continuously reiterated pseudorandom (PN) code sequence is launched into an end of a span of ordinary optical fiber cable. Portions of the launched lightwave back propagate to the launch end from a continuum of locations along the span ... | 09/25/2007 |
| 7271884 | Natural fiber span reflectometer providing a virtual phase signal sensing array capability A CW lightwave modulated by a continuously reiterated psuedorandom code sequence is launched into an end of a span of ordinary optical fiber cable. Portions of the launched lightwave back propagate to the launch end from a continuum of locations along the span becau... | 09/18/2007 |
| 7270069 | Torpedo mounted dispenser The present invention is a dispenser mounted on the aft section of a torpedo for deploying an elongated, flexible article along a deployment axis. There is a molded elastomeric encasement over the exterior perimeter of the outer weldment of the dispenser for providi... | 09/18/2007 |
| 7237353 | Muzzle break with gas relief membrane for an underwater gun A muzzle break for a gun comprising a baffle, a series of slots in the housing of the muzzle break in which the slots exhaust gas of a pressure wave deflected by the baffle during firing of the gun. A membrane seals the slots for underwater use and is separable by t... | 07/03/2007 |
| 7206257 | Acoustic remote caviation as a destruction device A method is disclosed of generating a predetermined field of cavitation around a remote target in an underwater environment. The method includes the steps of identifying a remote target location, generating at least two acoustic beams, each at a high power output, f... | 04/17/2007 |
| 7195841 | System and a method of solid storage and dissolution of a catholyte for use in electrochemical cell A system and a method of storage and dissolution of solid catholyte are provided. The system and the method employ a solid medium having a controlled surface from which solid catholyte particles suspended within a matrix of encapsulating species are dissolved and hy... | 03/27/2007 |
| 7125298 | Man overboard beacon A user worn man overboard beacon that provides multiple indication means to alert a ship to an overboard crew person and to assist in locating the crew person. The beacon device is contained in a housing attached to the clothing of the sailor and is activated upon c... | 10/24/2006 |
| 7109359 | Polyazido compounds The invention relates to a novel polyazido compound: 2,2-dinitro-1,3-diazidopropane. ... | 09/19/2006 |
| 7106658 | Navigation system and method using directional sensor An apparatus for determining a position includes a source which transmits a signal having a source position and a transmission time coded therein. A sensor having a directional beam pattern is positioned at the location of interest. A signal processor steers the dir... | 09/12/2006 |
| 7040246 | Submarine countermeasure and launch assembly In a submarine countermeasure vehicle and launch assembly the vehicle includes a forward end portion, an aft end portion provided with a propeller and fins, a hull portion extending between the forward and aft portions, the hull portion being circular in cross-secti... | 05/09/2006 |
| 7030971 | Natural fiber span reflectometer providing a virtual signal sensing array capability A CW lightwave modulated by a continuously reiterated binary pseudorandom code sequence is launched into an end of a span of ordinary optical fiber cable. Portions of the launched lightwave back propagate to the launch end from a continuum of locations along the spa... | 04/18/2006 |
| 7016563 | Fiber optic switch A method of switching from a single input optical fiber to one or more output fibers comprising the steps of providing an input signal into the input optical fiber, splitting the input signal and the input optical fiber to form a plurality of optical fibers and a pl... | 03/21/2006 |
| 7013788 | Launch tube with adjustable plenum A launch tube assembly including an aft launch tube portion, a forward launch tube portion, and a transfer sleeve having a first end fixed to and adjacent the forward end of said aft launch tube portion and a second end adjustably receiving the forward launch tube p... | 03/21/2006 |
| 6393765 | Superelastic sealing closures A closure system including a rigid structural part has an edge surface along which sealage is established in response to deformation of a superelastic sheet metal element positioned thereon, such sheet metal element being endowed with a shape memory chara... | 05/28/2002 |
| 6371410 | Emergency landing impact absorbing system for aircraft Inflation of impact absorbing bags is effected on a portable platform positioned on an emergency landing zone after jettisoning of damaged landing gear from a helicopter fuselage. The impact absorbing bags when inflated form a cradle shape conforming to t... | 04/16/2002 |
| 6125387 | Operating methods for robust computer systems permitting autonomously switching between alternative/redundant An operating method for a computer system having first, second, third, and lternate computers generating a graphical user interface (GUI) on the first computer screen corresponding to a presentation generated with respect to the second computer screen irre... | 09/26/2000 |
| 6056032 | Apparatus for winding optic fiber coils The interferometric fiber optic accelerometer is viewed as a mass-spring nsducer housed in a sensor case. The sensor case is attached to a moving part whose motion is inferred from the relative motion between the mass and the sensor case. A flexural disk... | 05/02/2000 |
| 6018102 | Ubiquitin-lytic peptide fusion gene constructs, protein products deriving therefrom, and methods of making and using same Stabilized ubiquitin-lytic peptide fusion polypeptides and a method of making the same by sub-cloning nucleic acid sequences coding for lytic peptides into a plasmid vector comprising a promoter and ubiquitin polypeptide coding sequence, wherein the ubiqu... | 01/25/2000 |
| 5998587 | Anti-cyanovirin antibody The present invention provides antiviral proteins (collectively referred to as cyanovirins), conjugates thereof, DNA sequences ending such agents, host cells containing such DNA sequences, antibodies directed to such agents, compositions comprising such a... | 12/07/1999 |
| 5949361 | Multi-stage delta sigma modulator with one or more high order sections A wide-band sigma-delta modulator is disclosed having a cascade of two moators or stages, the first stage being of third or greater order and the second being of second or greater order. Both stages utilize simple ternary quantizers to avoid linearity pr... | 09/07/1999 |
| 5726189 | Method for imaging nicotinic acetylcholinergic receptors in the brain using radiolabeled pyridyl-7-azabicyclo 2.2.1!heptanes The present invention is directed to radiolabeled epibatidine analogues, specifically FPH labeled with radioisotopes of fluorine and/or carbon. These radiolabeled epibatidine compounds are used to noninvasively image and quantify nicotinic cholinergic rec... | 03/10/1998 |
| 5569447 | Stannylated 3-quinuclidinyl benzilates and methods of preparing radiohalogenated derivatives The present invention provides stannylated 3-quinuclidinyl benzilate compounds and a method of synthesizing *AQNB by iodinating such stannylated 3-quinuclidinyl benzilate compounds. The iodination of these stannylated 3-quinuclidinyl benzilates proceeds i... | 10/29/1996 |
