Patents Represented by Attorney, Agent or Law Firm Jacob Shuster
  • Shipboard paint dispensing system
    Patent number: 6138724
    Abstract: A storage chamber within a paint dispensing reservoir tank is maintained led with paint from a refill paint source during recirculation of such paint through a paint cleansing filter within the chamber for supply of filter cleansed paint to a paint dispensing outlet under control of a metering system involving use of a valve controlled air-powered pump and flow metering regulating cylinders.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: October 31, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Rimi O. Rivera, James M. McDonnell, Drew F. Jackson, Stephan J. Verosto, Jr., Steven A. Stetz, David J. Barnes, Michael R. Murnane
  • Prestress imposing treatment of magnetostrictive material
    Patent number: 6139648
    Abstract: Magnetostrictive material such as Terfenol-D undergoes annealing treatment y heating for a limited period of time to an elevated temperature below the melting point, followed by cooling to a preferred magnetic state in which a compressive stress generated and applied during treatment is retained in the treated material as a built-in prestress.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: October 31, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Marilyn Wun-Fogle, James B. Restorff, Arthur E. Clark
  • System for enhancing target damage by water jet impact
    Patent number: 6131518
    Abstract: Different compositions of layers forming a non-homogeneous explosive charge are selected so as to produce in response to underwater detonation of s explosive charge a gas bubble having a corresponding internal density distribution of explosion products to predetermine shape and direction of a water jet emerging from such bubble during collapse thereof for enhanced impact damage to an adjacent underwater target.
    Type: Grant
    Filed: October 9, 1998
    Date of Patent: October 17, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Franklin D. Hains
  • Synthesis of metal matrix composite
    Patent number: 6129134
    Abstract: Reinforcing particles within a flux are dispersed through a metal matrix osited into a crucible purged of air by infeed of argon gas during heating of the matrix to a melted state for completing particle dispersion by agitation before remelting thereof after solidification. The remelted matrix with the particles fully dispersed therein is then allowed to undergo sedimentation increasing particle concentration along a flat surface portion of the final product having increased wear resistance thereat.
    Type: Grant
    Filed: March 11, 1999
    Date of Patent: October 10, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Amarnath P. Divecha
  • Fabrication of metal-matrix compositions
    Patent number: 6129135
    Abstract: A predetermined quantity of a metal-matrix composite material is injected to a heating crucible along an angular infeed direction toward a location therein at which a vortex is formed by the blade of an agitator through which the material is stirred while being superheated above the melting temperature to a pouring temperature under which the melted material is transferred to a casting mold after surface skimming thereof to form a product having improved wear resistance properties.
    Type: Grant
    Filed: June 29, 1999
    Date of Patent: October 10, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Amarnath P. Divecha, Subhash D. Karmarkar, William A. May, James M. Kerr, William A. Ferrando, Scott M. Hoover
  • Fabrication of tile reinforced composite armor casting
    Patent number: 6116328
    Abstract: Alumina tiles within aluminum framing jigs are fixedly positioned by lock ns within an internally coated mold for centrifugal casting within a block of an aluminum alloy material. Such jigs and the tiles framed therein are coated with silver before casting to prevent aluminum oxidation by heating of the aluminum material to a molten state for deposit into the mold. Bonding of the tiles and framing of the jigs with the aluminum material being cast is also enhanced by such silver coating.
    Type: Grant
    Filed: July 29, 1999
    Date of Patent: September 12, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Subhash D. Karmarkar, Amarnath P. Divecha, William J. Bruchey, Gerald Bulmash, James M. Kerr, William A. Ferrando
  • Rudder tab for suppression of tip vortex cavitation
    Patent number: 6101963
    Abstract: Cavitation of a hydrofoil element, such as the rudder of a marine vessel, om exposure to a body of water during onset flow at different angles to the chordal axis of the rudder profile, is suppressed by a tab on the lower end tip of the rudder. Such tab has external surfaces thereon which affect flow separation relative to the rudder so as to suppress or delay cavitation.
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: August 15, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Young T. Shen, Scott Gowing
  • Method of centrifugally casting reinforced composite articles
    Patent number: 6082436
    Abstract: The article is produced by prepositioning nonwoven reinforcement, coated h a bond enhancing compound inside of a centrifugal casting mold that is surface coated for protective shielding of the reinforcement. Molten matrix metal is then introduced into the mold while being rotated about its longitudinal axis until the molten metal completely encapsulates the reinforcement.
    Type: Grant
    Filed: January 28, 1999
    Date of Patent: July 4, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Amarnath P. Divecha, Subhash D. Karmarkar, Philip Hesse, William J. Bruchey
  • Fuel storing water ballast tank internally structured for reducing retention of water and overboard discharge of fuel
    Patent number: 6076480
    Abstract: A tank within a ship providing for both fuel storage and water ballast, has external walls enclosing compartments formed between internal intersect walls having flow regulating openings therein that are located and sized to establish separate interfaced flow paths along which segregated flows of fuel and water are concentrated to minimize mixing of fuel and water during refueling operation and reduce retention of water within the tank.
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: June 20, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Peter A. Chang, III, Brian Hill, Dan Bruchman, Ray Schmitt, Carl Schmid, Scott Jackson
  • System for simulation of underwater explosion pressure fields
    Patent number: 6075753
    Abstract: An array of piezoelectric transducers from which acoustical energy is emid at a low and high frequency within a predetermined frequency band, synthesizes a localized underwater simulation of a remotely located explosion pressure field, by programmed computer control over the electrical energy input from a signal frequency generator transmitted through power transfer circuitry to the array of acoustic projecting transducers.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: June 13, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Joseph A. Clark, Jane A. Young, Joel B. Gaspin, Paul M. Moore
  • Shape memory actuator system
    Patent number: 6041728
    Abstract: A control tab on a submarine or the like is angularly displaced by a remote control actuator system featuring a pair of shape-memory cables consist of a superelastic actuating cable connected to the control tab and a force generating thermoelastic cable anchored to the submarine frame. A force transmitting lever interconnects the cables and is selectively locked by a releasable locking mechanism in a position holding the actuating cable fully stretched with the control tab displaced a maximum amount from its neutral position by the displacing force generated in the thermoelastic cable in response to heating thereof by electric current conducted therethrough.
    Type: Grant
    Filed: July 31, 1998
    Date of Patent: March 28, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: David Goldstein, Thang Dinh Nguyen
  • Adjustable electric motor bearing system
    Patent number: 6000851
    Abstract: The parameters of a rotor bearing assembly are readily changed to facilit evaluation, determination and establishment of optimum bearing clearance and rotor bearing adjustment to minimize noise and vibration, by an arrangement which includes seating of solid deflection pads positioned within a carrier on replaceable adjustment shims and retention of the pads and shims seated in adjusted positions by means of hold-down screws.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: December 14, 1999
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Edward I. Cohen, John G. Purnell
  • Electrochemical fabrication of capacitors
    Patent number: 6001237
    Abstract: A film of nickel oxide is anodically deposited on a graphite sheet held in osition on an electrochemical cell during application of a positive electrode voltage to the graphite sheet while exposed to an electrolytic nickel oxide solution within a volumetrically variable chamber of the cell. An angularly orientated x-ray beam is admitted into the cell for transmission through the deposited nickel oxide film in order to obtain structural information while the film is subject to electrochemical and in-situ x-ray spectroscopy from which optimum film thickness, may be determined by comparative analysis for capacitor fabrication purposes.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: December 14, 1999
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Azzam N. Mansour, Carlos A. Melendres
  • Ultrahigh density charge transfer device
    Patent number: 5998874
    Abstract: Metal heated to a molten state is injected under a high hydrostatic penetration pressure into extremely small and closely spaced channels of an insulating matrix to form an array of electrically conductive pins or wires. The materials for the pins and matrix are selected for compatibility with respect to melting, matrix sintering and surface tension penetration conditions associated with the fabrication of a high density charge transfer device.
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: December 7, 1999
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Carmen I. Huber, Tito E. Huber, Nicholas Caviris
  • Neural network system for estimation of helicopter gross weight and center of gravity location
    Patent number: 5987397
    Abstract: The invention is directed to a helicopter health and usage monitoring system utilizing a neural network for estimating gross weight and center of gravity location from measured flight condition parameter inputs; and includes means for measuring a plurality of variable flight condition parameters during flight of the helicopter; memory means for successively receiving and storing parameter input signals as well as estimates of gross weight and center of gravity location; and processing means responsive to the signals received from the measurement means for generating the gross weight and center of gravity location estimates.
    Type: Grant
    Filed: March 13, 1998
    Date of Patent: November 16, 1999
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Kelly McCool, David Haas
  • Organic waste disposal system
    Patent number: 5960026
    Abstract: Organic waste material is pneumatically transported within air and mixed rewith by swirling flow through an annular injector passage of varying radial width into a reaction flow passage of an eductor nozzle section receiving the output plume of a plasma torch for initiating therein thermal gasification of the waste mixture. The plasma torch plume projects from the eductor section into a diffuser section within which thermal gasification is continued before discharge of gasified waste.
    Type: Grant
    Filed: September 9, 1997
    Date of Patent: September 28, 1999
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Eugene E. Nolting, Jon Colfield, Roy Richard, Steven Peterson
  • Electrolytic disinfectant system
    Patent number: 5958229
    Abstract: An electrolytic disinfectant system especially useful in a maritime application for treating freshwater so as to render it potable, provides a brine solution that is stored in a tank from which hypochlorite as the disinfectant is fed to a freshwater supply. Gases also fed to the disinfectant storage tank including hydrogen is discharged therefrom and passed to a hydrogen recombiner through which the hydrogen is disposed of by reaction with oxygen under control of external heating bands to generate water vapor. The system thereby provides enhanced disinfectant effectiveness and eliminates storage of hazardous chemicals.
    Type: Grant
    Filed: March 27, 1998
    Date of Patent: September 28, 1999
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: George Filiopoulos, Thomas E. Wenzel
  • Tapered resilient sleeve bearing assembly
    Patent number: 5951170
    Abstract: At least two rigid segments of a tapered bearing sleeve are interconnected y deformable elastomeric sections for rotational support of a shaft or pin about a fixed axis established within a housing into which the bearing sleeve is inserted and held therein by an adjustment closure ring under axial pressure of a spring through which radial clearance between the sleeve segments and the shaft varied during transient loading of the shaft, is minimized to reduce vibrational noise and wear.
    Type: Grant
    Filed: April 3, 1998
    Date of Patent: September 14, 1999
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Gus F. Plangetis
  • Steady-state, high dose neutron generation and concentration apparatus and method for deuterium atoms
    Patent number: 5949835
    Abstract: A steady-state source of neutrons is produced within an electrically grounded and temperature controlled chamber confining tritium or deuterium plasma at a predetermined density to effect implantation of ions in the surface of a palladium target rod coated with diffusion barrier material and immersed in such plasma. The rod is enriched with a high concentration of deuterium atoms after a prolonged plasma ion implantation. Collision of the deuterium atoms in the target by impinging ions of the plasma initiates fusion reactions causing emission of neutrons during negative voltage pulses applied to the rod through a high power modulator. The neutrons are so generated at a relatively high dose rate under optimized process conditions.
    Type: Grant
    Filed: July 1, 1991
    Date of Patent: September 7, 1999
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Han S. Uhm, Woodrow W. Lee
  • Surface conforming flexible eddy current probe for scanning varying surface contours
    Patent number: RE36979
    Abstract: A flexible core eddy current probe is disclosed for testing of curved or egular surfaces. The core is comprised of a flexible binder loaded with a powdered magnetic material and then formed into a specific flexible core shape continuously adaptable to irregular or curved surfaces. The flexible core probe has specific application to carbon fiber reinforced composite components having contoured surfaces.
    Type: Grant
    Filed: December 13, 1995
    Date of Patent: December 5, 2000
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Susan N. Vernon, John M. Liu