Patents Assigned to Secretary of Army
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Publication number: 20250075046Abstract: A composite structure includes a plurality of laminate layers containing resin reinforced with carbon fiber; and a laminate, also comprising resin reinforced with carbon fiber, coated with a metallic layer integrated with a transition metal oxide that is laid up as a topmost layer of the plurality of laminate layers. The plurality of laminate layers and the coated laminate are cured to form a solid block of integrated composite material in a defined process to (i) integrate the transition metal oxide within the composite material, (ii) utilize transformed magnetic properties of the transition metal oxide to integrate the transition metal oxide into the metallic layer to coat the laminate, and (iii) utilize transformed optical properties of the transition metal oxide to achieve infrared shielding beyond a phase transition temperature of the transition metal oxide.Type: ApplicationFiled: November 18, 2024Publication date: March 6, 2025Applicant: U.S. Government, as Represented by the Secretary of ArmyInventors: Latha Nataraj, Heather A. Murdoch
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Patent number: 12054809Abstract: Alloys comprised of a refined microstructure, ultrafine or nano scaled, that when reacted with water or any liquid containing water will spontaneously and rapidly produce hydrogen at ambient or elevated temperature are described. These metals, termed here as aluminum based nanogalvanic alloys will have applications that include but are not limited to energy generation on demand. The alloys may be composed of primarily aluminum and other metals e.g. tin bismuth, indium, gallium, lead, etc. and/or carbon, and mixtures and alloys thereof. The alloys may be processed by ball milling for the purpose of synthesizing powder feed stocks, in which each powder particle will have the above mentioned characteristics. These powders can be used in their inherent form or consolidated using commercially available techniques for the purpose of manufacturing useful functional components.Type: GrantFiled: September 23, 2019Date of Patent: August 6, 2024Assignee: The United States of America as Represented by the Secretary of ArmyInventors: Anit K. Giri, Anthony J. Roberts, Billy C. Hornbuckle, Scott M. Grendahl, Kristopher A. Darling
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Patent number: 9555090Abstract: Disclosed herein are nucleotide sequences which encode a plurality of structural proteins, except the capsid, of an equine encephalitis virus, wherein the nucleotide sequence is codon-optimized for mammalian expression. The nucleotide sequences are codon-optimized for expression in humans. As disclosed herein, the nucleotide sequences confer protection against Venezuelan equine encephalitis virus (VEEV), western equine encephalitis virus (WEEV), and/or eastern equine encephalitis virus (EEEV).Type: GrantFiled: May 25, 2012Date of Patent: January 31, 2017Assignee: The United States of America as repesented by the Secretary of Army, on behalf of the U.S. Army Medical Research Institute of Infections DiseasesInventors: Lesley Dupuy, Connie S. Schmaljohn
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Publication number: 20130063158Abstract: A method and apparatus for obtaining dielectric constant and other measurements of a sample, comprising an open cavity resonator; a microwave energy generator for creating a resonating microwave in the open cavity resonator; a predetermined dielectric material having a high dielectric constant in the range of 2 to 100,000 substantially filling the region in which a microwave resonates; the dielectric material adapted to receive a sample for measurement of the dielectric properties of the sample; whereby during operation the resonating microwave beam is substantially immersed in the predetermined dielectric material such that the effective electrical spot size and beam cross-section along the cylindrical axis of the resonating microwave is reduced as a function of the inverse of the square root of the predetermined dielectric material dielectric constant. The dielectric constant or loss tangent of the sample may be determined based upon the change in the cavity's resonant frequency modes.Type: ApplicationFiled: September 12, 2011Publication date: March 14, 2013Applicant: U.S Government as represented by the Secretary of ArmyInventors: DANIEL M. POTREPKA, STEVEN C. TIDROW
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Publication number: 20130011820Abstract: A device for measuring the manual dexterity of a subject comprising a central processing unit, a display, storage means, data-entry means and software programming designed to gather the manual dexterity data of a subject is disclosed together with methods of use thereof.Type: ApplicationFiled: July 3, 2012Publication date: January 10, 2013Applicant: Government of the United States, as represented by the Secretary of ArmyInventor: Kathleen E. Yancosek
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Publication number: 20110189548Abstract: An electrochemical cell comprising a cathode comprising an electrode active material that reversibly intercalates and de-intercalates any of cations and molecules; an anode comprising an electrode active material that reversibly intercalates and de-intercalates any of cations, anions, and molecules; a separator material that separates the cathode from the anode; and an electrolyte comprising a base electrolyte composition, an ionic compound additive, and a solvent comprising any of aqueous and non-aqueous electrolyte solvents, wherein the additive dissolves in the base electrolyte composition as well a majority of the aqueous or non-aqueous electrolyte solvents, wherein the additive comprises a solubility of at least approximately 0.01 in the base electrolyte composition, wherein the additive dissociates into corresponding cations and anions upon dissolution, and wherein the cations originate from a metal element and reduce to an elemental form at a potential that is at least approximately 0.Type: ApplicationFiled: February 3, 2010Publication date: August 4, 2011Applicant: US Government as represented by Secretary of ARMYInventor: Kang Conrad Xu
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Publication number: 20110180733Abstract: A method and device for generating terahertz radiation comprising a plurality of layers of polar crystal material operative to emit terahertz radiation; the plurality of layers comprising transport layers and divider layers, the plane of the layers being not parallel to the polar axis, the interface between the transport layers and divider layers forming boundaries at which the internal electric polarization terminates leading to charges accumulating at the boundaries, and creation of internal electric fields oriented along the polar axis; whereby when irradiated by a pulsed source of duration less than one picosecond, a time-varying and spatially nonuniform distribution of carriers is created in the growth direction of the polar crystal material thereby generating a first time-varying current due to diffusion of the carriers; the internal electric fields accelerating the carriers generated by the pulsed radiation source operating to produce a second time-varying current that is additive with the first time-vType: ApplicationFiled: April 4, 2011Publication date: July 28, 2011Applicant: U.S. Government as represented by the Secretary of ArmyInventors: MICHAEL WRABACK, PAUL H. SHEN
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Patent number: 7892414Abstract: Electrochemical biosensors, methods of making biosensors and methods of detecting a target analyte in a sample to be analyzed are provided. A preferred embodiment device comprises a non-conductive polymer deposited on the electrode to form a matrix material having a plurality of pores; a capture biomolecule immobilized on the electrode such that the binding of the target analyte to the capture biomolecule effectively blocks a sufficient number of pores in the matrix material to produce a measurable decrease in the rate of a redox reaction occurring at the electrode; a current source for driving a redox reaction at the electrode; a redox species in contact with the electrode; and a detector element operatively connected to the electrode to detect the measureable decrease of a change in the rate of a redox reaction occurring due to the blockage of pores in the matrix material by the target analyte.Type: GrantFiled: November 15, 2005Date of Patent: February 22, 2011Assignee: The United States of America as represented by the Secretary of ArmyInventor: James J. Sumner
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Patent number: 7409899Abstract: Disclosed is an optical gunfire detection system comprising an image-capturing device operable for detecting light; a narrowband Fraunhofer line filter connected to the image-capturing device, and operable for partially restricting transmission of the light; a convex parabolic reflector operable for transmitting images to the image-capturing device; a lens system; an image storage device connected to the image-capturing device, wherein the image storage device comprises a solid-state digital memory unit operable to store multiple seconds of video imagery; a real-time computer-implemented mechanism connected to the image storage device, the computer-implemented mechanism operable for detecting locations and classifications of gunfire associated with the images; an acoustic device in communication with the computer-implemented mechanism, and operable for verifying the classifications of the gunfire; a position laser operable for identifying the locations of the gunfire; and a defense mechanism comprising the laType: GrantFiled: November 26, 2004Date of Patent: August 12, 2008Assignee: The United States of America as represented by the Secretary of ArmyInventor: Daniel W. Beekman
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Patent number: 7201561Abstract: A swashplate seal assembly sized for rotor shaft rotation therein, including an outer cover encircling the rotor shaft and covering a sealing ring having an inner circumference on which a resilient sealing wiper is inwardly disposed. The outer cover, sealing ring and resilient sealing wiper are sectioned in respective like-configured curved segments for disassembly without removing adjacent segments during inspections. Inboard of the sealing ring is a flanged seal ring having an outer surface diameter limited in size to allow positioning the seal ring within the sealing wiper. The seal ring is fitted on an outer perimeter of a bearing retainer positionable within the sealing ring, thereby positioning the seal ring outer surface in sliding engagement with the sealing wiper during rotor shaft rotation. The outer cover positioning and the engaging relationship between seal ring and sealing wiper operate to minimize contaminants intrusion along the rotor shaft during rotation.Type: GrantFiled: May 18, 2005Date of Patent: April 10, 2007Assignee: United States of America, as represented by the Secretary of ArmyInventors: Wayne C. Parsons, Tracy A. Conklin
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Patent number: 6924061Abstract: A non-aqueous electrolyte to be used in a Li-ion battery includes a lithium salt, a cyclic carbonate, a linear carbonate and an alkyl fluorinated phosphate, of the following general formula wherein R1, R2 and R3, independently, are selected from the group consisting of straight and branched alkyl groups having 1-5 carbon atoms, and at least one of said alkyl groups is fluorinated, with the locations of said fluorination being at least ?-positioned away from the phosphorous of said phosphate, such that said alkyl phosphate has a F/H ratio of at least 0.25, and said electrolyte solution is non-flammable.Type: GrantFiled: February 1, 2002Date of Patent: August 2, 2005Assignee: The United States of America as represented by the Secretary of ArmyInventors: T. Richard Jow, Kang Xu, Shengshui Zhang, Michael S. Ding
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Patent number: 6769800Abstract: A baffle system is provided for insertion into a stirred vessel. In order to be able to be inserted through the relatively narrow orifice at the opening of the vessel, the baffle system is collapsible. Due to the structure of the baffle system, it may be inserted through the narrow orifice and then be manipulated, via articulated joints, such that it rests adjacent to the wider walls of the vessel.Type: GrantFiled: September 23, 2002Date of Patent: August 3, 2004Assignee: The United States of America as represented by the Secretary of ArmyInventor: Gerald P. Young
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Publication number: 20030145639Abstract: Slow-release fertilizer is produced by composting animal manure with a magnesium-rich compound The temperature of this mixture is maintained at 20-30° C. and the pH is maintained between 7-10. Urease is added to the mixture. Next, the mixture is inoculated with bacteria of the species Bacillus sphaericus, Bacillus globisporus, or Bacillus fusiformis. The mixture is then allowed to incubate for about 14 days to form magnesium ammonium phosphate. Optionally, phosphatase, an enzyme promoting the formation of phosphate from phosphorus-rich organic compounds, is added with the urease enzyme to increase the yield of magnesium-ammonium phosphate.Type: ApplicationFiled: April 12, 2001Publication date: August 7, 2003Applicant: Secretary of ArmyInventors: David Bruce Ringelberg, Charles Arthur Weiss, Jr., Philip G. Malone
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Patent number: 6417373Abstract: New aza azetidinium sulfate compounds are described which can be intermediates in the preparation of azabicyclobutane.Type: GrantFiled: October 19, 1998Date of Patent: July 9, 2002Assignee: The United States of America as represented by Secretary of ArmyInventors: Paritosh R. Dave, Thomas G. Archibald
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Patent number: 5953679Abstract: A method for the extraction of TNT from high explosves comprising the contacting the explosive with a supercritical fluid at a temperature above the meltng point of TNT and recovering the TNT.Type: GrantFiled: April 16, 1997Date of Patent: September 14, 1999Assignee: The United States of America as represented by the Secretary of ArmyInventor: Jeffrey B. Morris