Patents Represented by Attorney J. O'Brien

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  • Carbon/carbon composite for re-entry vehicle applications
    Patent number: 4201611
    Abstract: A fine textured, high density, three directional, carbon-carbon fiber composite material with an axially to laterally oriented fiber ratio of 1.5 to 1 or higher and a density of 185 g/cm.sup.3 or higher.
    Type: Grant
    Filed: April 17, 1978
    Date of Patent: May 6, 1980
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Edward R. Stover
  • Process for reclaiming aircraft fuel tank purging fluids
    Patent number: 4194924
    Abstract: A system for reclaiming the individual constituents of a fuel-contaminated purging fluid by subjecting the fluid to a continuous, closed, flash distillation technique under vacuum coupled with a coalescing oil-water separation procedure.
    Type: Grant
    Filed: December 13, 1978
    Date of Patent: March 25, 1980
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: John W. Safranko, Craig R. Burnett, James E. Kilburn
  • Method for the production of trialuminum nickelide fibers
    Patent number: 4191561
    Abstract: A process for the production of trialuminum nickelide fibers which involves the utilization of an oxalic acid-hydrogen chloride mixture for separating the fibers from a solid, two-phase, composite matrix of aluminum and trialuminum nickelide fibers.
    Type: Grant
    Filed: December 12, 1978
    Date of Patent: March 4, 1980
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Kenneth P. Quinlan, Joseph J. Hutta
  • Procedure for the synthesis of stoichiometric proportioned indium phosphide
    Patent number: 4185081
    Abstract: A method for synthesizing indium phosphide that avoids the explosion problem which often occurs in the synthesis procedures which use the direct reaction of elemental phosphorus and elemental indium to produce indium phosphide. The method utilizes specific heating, pressurizing and cooling parameters to safely produce highly pure, stoichiometric, polycrystalline indium phosphide.
    Type: Grant
    Filed: July 31, 1978
    Date of Patent: January 22, 1980
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Thomas A. Fauth, Joseph A. Adamski
  • Electromagnetic interference filter window
    Patent number: 4181774
    Abstract: A laser window material for use in the infrared wavelength spectrum comprising a glass substrate having an indium tin oxide conductive film deposited in one surface thereof and magnesium fluoride antireflection films deposited atop the conductive film and the opposite surface of the glass substrate.
    Type: Grant
    Filed: December 19, 1978
    Date of Patent: January 1, 1980
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Jerry P. Wendt, Andrew J. Steckl
  • Low shear mixing process for the manufacture of solid propellants
    Patent number: 4177227
    Abstract: A low shear mixing process for preparing high solids, high viscosity rocket propellants in which the propellant ingredients are blended with an inert diluent to reduce the high shear mixing environment generated by conventional mixing techniques. The diluent is then removed by sublimation from the mixture through a freeze drying process prior to curing and casting the mix according to conventional techniques.
    Type: Grant
    Filed: September 10, 1975
    Date of Patent: December 4, 1979
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Kenneth L. Harvey, Howard D. Dixon
  • Method for the preparation of glycidyl 2,2-dinitro-2-fluoroethoxide
    Patent number: 4168273
    Abstract: A method for synthesizing glycidyl 2,2-dinitro-2-2 fluoroethoxide which comprises adding sodium hydroxide to a reaction mixture of epibromohydrin and 2,2-dinitro-2-fluoroethanol in the presence of carbon tetrachloride as a solvent for the reaction mixture.
    Type: Grant
    Filed: March 14, 1974
    Date of Patent: September 18, 1979
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Edward F. Witucki, Milton B. Frankel
  • Monophospha-s-triazines
    Patent number: 4166071
    Abstract: A method for synthesizing monophospha-s-triazines by effecting a reaction between an amidoylamidine and a trihalo-phosphorane.
    Type: Grant
    Filed: December 28, 1977
    Date of Patent: August 28, 1979
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Kazimiera L. Paciorek, Reinhold H. Kratzer, Jacquelyn Kaufman, Thomas I. Ito
  • Method of deagglomeration of aluminum powder
    Patent number: 4161826
    Abstract: A method for deagglomerating finally divided aluminum metal powders by allowing said metals powders to remain in contact with water heated to room temperature for approximately 30 hours.
    Type: Grant
    Filed: March 9, 1978
    Date of Patent: July 24, 1979
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Joseph J. Hutta, Kenneth P. Quinlan
  • Method for separating trialuminum nickelide fibers from an aluminum matrix
    Patent number: 4161434
    Abstract: Electrolytic production of Al.sub.3 Ni fibers using a potassium hydroxide electrolyte.
    Type: Grant
    Filed: October 12, 1978
    Date of Patent: July 17, 1979
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Kenneth P. Quinlan, Joseph J. Hutta
  • Gas bearing surface coating
    Patent number: 4140592
    Abstract: A method for increasing the life and reliability of beryllium gas bearings by applying a coating of chromium to one bearing surface and an anodized beryllium coating to its mating surface.
    Type: Grant
    Filed: March 30, 1978
    Date of Patent: February 20, 1979
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Vincent A. Orlando
  • Low infrared emissivity paints comprising an oxime cured silicone binder
    Patent number: 4131593
    Abstract: A low infrared emissivity paint composition for use in coating applications requiring nuclear flash protection. The paint comprises a mixture of a pigment material such as Ta.sub.2 O.sub.5, BaTiO.sub.3, CdS, Sb.sub.2 S.sub.3, CoTiO.sub.3 or CdSe and an oxime cured silicone binder material.
    Type: Grant
    Filed: October 13, 1977
    Date of Patent: December 26, 1978
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Henry Y. B. Mar, Paul B. Zimmer
  • AlCl.sub.3 /1-alkyl pyridinium chloride room temperature electrolytes
    Patent number: 4122245
    Abstract: A room temperature electrolyte comprising a fused salt mixture of aluminum trichloride and an alkyl pyridinium chloride wherein the alkyl radical is selected from the group consisting of ethyl, methyl, 1-propyl and 1-butyl radicals.
    Type: Grant
    Filed: August 19, 1977
    Date of Patent: October 24, 1978
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: John C. Nardi, Charles L. Hussey, Lowell A. King
  • Molybdenum chloride-tetrachloroaluminate thermal battery
    Patent number: 4117207
    Abstract: A thermally activated reserve battery operable within a temperature range of about 165.degree. to 250.degree. C and composed of a lithium-aluminum alloy anode, a molybdenum pentachloride cathode and a separating electrolyte composed of sodium tetrachloroaluminate.
    Type: Grant
    Filed: October 14, 1977
    Date of Patent: September 26, 1978
    Inventors: John C. Nardi, Charles L. Hussey, John K. Erbacher, Lowell A. King, Armand A. Fannin, Jr.
  • Self-sealing fuel line assembly
    Patent number: 4115616
    Abstract: A self-sealing multi-laminated fuel line composite material composed of (a) a plastic fuel line, (b) a precompressed and fuel sensitive foam bonded to said plastic line, and (c) a flexible, plastic laminate bonded on top of said foam.
    Type: Grant
    Filed: February 9, 1978
    Date of Patent: September 19, 1978
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Roger M. Heitz, Franklin Hill
  • Method for the preparation of 1-alkyl pyridinium chlorides
    Patent number: 4115390
    Abstract: A method for preparing alkyl pyridinium chlorides by effecting a direct reaction between the corresponding alkyl chloride and pyridine.
    Type: Grant
    Filed: August 19, 1977
    Date of Patent: September 19, 1978
    Inventors: John C. Nardi, Charles L. Hussey, Lowell A. King, Ronald A. Carpio
  • Procedure for removing aluminum from an Al-Al.sub.3 Ni two-phase matrix
    Patent number: 4100044
    Abstract: An electrolytic process for removing aluminum from a solid two-phase matrix of aluminum and trialuminum nickelide filaments by passing an electric current between an inert anode, a cathode composed of the matrix while both are immersed in an aluminum halide containing molten salt electrolyte.
    Type: Grant
    Filed: July 15, 1977
    Date of Patent: July 11, 1978
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Charles L. Hussey, John C. Nardi, Armand A. Fannin, Jr., Lowell A. King, John K. Erbacher
  • Aluminum base brazing alloy
    Patent number: 4090872
    Abstract: An aluminum base, low-melting temperature alloy for joining together titanium surfaces. The alloy is fabricated from an admixture containing a major amount of aluminum in an amount in excess of about 41 weight percent and minor amounts of silver and copper.
    Type: Grant
    Filed: December 29, 1976
    Date of Patent: May 23, 1978
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Robert R. Wells
  • Barrier system for dual-pulse rocket motor
    Patent number: 4085584
    Abstract: A barrier system for use in preventing the pre-ignition of second pulse rocket grains in a dual pulse rocket motor. The system includes two double layers of rubber material positioned between the first and second pulse grains with an igniter assembly adjacent to the second grain.
    Type: Grant
    Filed: November 5, 1976
    Date of Patent: April 25, 1978
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Roy A. Jones, Marshall W. Mabry
  • Silver base brazing alloy
    Patent number: 4080203
    Abstract: A silver-based, low-melting temperature brazing alloy containing minor amounts of aluminum, copper, and lithium if desired, for brazing titanium structures.
    Type: Grant
    Filed: December 29, 1976
    Date of Patent: March 21, 1978
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Robert R. Wells