Patents Examined by Paul A. Wartalowicz
  • Method of manufacturing a component and component
    Patent number: 10518361
    Abstract: A method of manufacturing of a component having the steps of manufacturing of a first segment for the component by a powder-bed manufacturing process, and the manufacturing of a second segment for the component originating from the first segment by an additive manufacturing process, such that the second segment projects by a projecting distance over at least one side face of the first segment. Furthermore, a component has the first segment being manufactured by the powder-bed manufacturing process and the second segment being manufactured by the additive manufacturing process, wherein the second segment projects by a projecting distance over at least one side face of the first segment.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: December 31, 2019
    Assignee: Siemens Aktiengesellschaft
    Inventors: Jonas Eriksson, Andreas Graichen
  • In-plane Josephson junction array terahertz laser
    Patent number: 10516248
    Abstract: A system includes a substrate, a high-temperature superconductor compound film disposed on the substrate, an array of superconducting regions formed within the film, a plurality of Josephson junctions formed within the film, where each Josephson junction of the plurality of Josephson junctions is formed between adjacent superconducting regions within the array of superconducting regions, and a voltage source connected to the array of superconducting regions. The plurality of Josephson junctions are separated by a distance such that they emit coherent radiation in the terahertz frequency range responsive to a voltage applied to the array of superconducting regions.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: December 24, 2019
    Assignee: United States of America as represented by Secretary of the Navy
    Inventors: Benjamin J. Taylor, Teresa H. Emery
  • Rare earth regenerator material particle, rare earth regenerator material particle group, and cold head, superconducting magnet, examination apparatus, and cryopump using the same
    Patent number: 10513646
    Abstract: A rare earth regenerator material particle and a regenerator material particle group having a high long-term reliability, and a superconducting magnet, an examination apparatus, a cryopump and the like using the same are provided. A rare earth regenerator material particle contains a rare earth element as a constituent component, and in the particle, a peak indicating a carbon component is detected in a surface region by an X-ray photoelectron spectroscopy analysis.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: December 24, 2019
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MATERIALS CO., LTD.
    Inventors: Katsuhiko Yamada, Keiichi Fuse
  • Water gas shift process
    Patent number: 10494255
    Abstract: A process is described for increasing the hydrogen content of a synthesis gas mixture comprising hydrogen, carbon oxides and steam, comprising the steps of: (i) passing the synthesis gas mixture at an inlet temperature in the range 300-450° C. over a first water-gas shift catalyst disposed in a first shift vessel to form a first shifted gas mixture, and (ii) passing the first shifted gas mixture at an inlet temperature in the range 170-300° C. over a second water gas shift catalyst disposed in a second shift vessel to form a second shifted gas mixture, wherein the second water-gas shift catalyst comprises copper and the first shift vessel contains a sorbent material for capturing halogen contaminants disposed downstream of the first water gas shift catalyst.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: December 3, 2019
    Assignee: Johnson Matthey Public Limited Company
    Inventors: David Carass, Gabriele Germani, Norman MacLeod
  • Turbine component having a seal slot and additive manufacturing process for making same
    Patent number: 10487677
    Abstract: A method of forming a structure in a turbine component having a seal slot, the slot including walls defining an opening therebetween, the method includes the step of using an additive manufacturing process to form a neck structure on a wall so as to reduce a size of the opening.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: November 26, 2019
    Assignee: General Electric Company
    Inventors: Ronald Scott Bunker, Victor Hugo Silva Correia
  • High performance SRF accelerator structure and method
    Patent number: 10485090
    Abstract: A high performance accelerator structure and method of production. The method includes precision machining the inner surfaces of a pair of half-cells that are maintained in an inert atmosphere and at a temperature of 100 K or less. The method includes removing thin layers of the inner surfaces of the half-cells after which the roughness of the inner surfaces in measured with a profilimeter. Additional thin layers are removed until the inner surfaces of the half-cell measure less than 2 nm root mean square (RMS) roughness over a 1 mm2 area on the profilimeter. The two half-cells are welded together in an inert atmosphere to form an SRF cavity. The resultant SRF cavity includes a high accelerating gradient (Eacc) and a high quality factor (Q0).
    Type: Grant
    Filed: January 21, 2017
    Date of Patent: November 19, 2019
    Assignee: JEFFERSON SCIENCE ASSOCIATES, LLC
    Inventor: Ganapati Rao Myneni
  • Bulk oxide superconductor and method of production of bulk oxide superconductor
    Patent number: 10468580
    Abstract: The present invention has as its problem the provision of a bulk oxide superconductor which has a high workability and high critical current density characteristic regardless of the external conditions and solves the problem by limiting the amount of addition of Ag to 5 mass % or less, using the QMG method to produce a bulk superconductor and thereby obtain a single crystal-like bulk superconductor of a structure with parts where Ag particles are present and parts where Ag particles are not present made to adjoin each other.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: November 5, 2019
    Assignee: NIPPON STEEL CORPORATION
    Inventor: Mitsuru Morita
  • Double tube
    Patent number: 10458592
    Abstract: A double tube is provided, which can reliably prevent buckling and flattening of an inner tube even when bending is performed.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: October 29, 2019
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Masashi Yagi, Hiroyuki Fukushima, Tomohiro Takagi, Makoto Furukawa
  • Magnesium diboride superconducting thin-film wire and method for producing same
    Patent number: 10460862
    Abstract: An object of the invention is to provide: an MgB2 superconducting thin-film wire that exhibits excellent Jc characteristics even under a 20 K magnetic field; and a method for producing thereof. The MgB2 superconducting thin-film wire includes a long substrate and an MgB2 thin film formed on the long substrate. The MgB2 thin film has a microtexture such that MgB2 columnar crystal grains stand densely together on the surface of the long substrate, and has Tc of 30 K or higher. In grain boundary regions of the MgB2 columnar crystal grains, a predetermined transition metal element is dispersed and segregated. The predetermined transition metal element is an element having a body-centered cubic lattice structure.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: October 29, 2019
    Assignee: HITACHI, LTD.
    Inventors: Toshiya Doi, Shigeru Horii, Toshiaki Kusunoki
  • Densified superconductor materials and methods
    Patent number: 10450641
    Abstract: Methods of pre-densifying a metal wire containing superconductor materials are provided. Superconductor materials containing the pre-densified wires also are provided. The wires may be pre-densified by subjecting a metal wire that includes one or more filament cavities in which a superconductor precursor powder is disposed to a temperature and a first pressure for a time sufficient to densify the superconductor precursor powder to form a pre-densified metal wire, wherein the temperature is less than the melting point of the superconductor precursor powder, and the first pressure is sufficient, at the temperature, to compress at least a portion of the metal wire.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: October 22, 2019
    Assignee: Florida State University Research Foundation, Inc.
    Inventors: Maxime R. Matras, Eric Hellstrom, Ulf Trociewitz, Jianyi Jiang, David Larbalestier
  • Superconductor and method for superconductor manufacturing
    Patent number: 10453590
    Abstract: Disclosed is a superconducting article comprising a silver overlayer consisting of no more than about 20% of grains over about 1 ?m, having a minimum Vickers micro-hardness value of about 100, and a porosity of less than about 1%. A method of manufacturing a superconducting tape is disclosed as comprising, deposition of silver, oxygenation at about 400° C. for about 30 minutes, slitting, deposition of silver at a temperature of less than about 250° C., and application of copper.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: October 22, 2019
    Assignee: University of Houston System
    Inventor: Venkat Selvamanickam
  • Superconducting cavity coupler
    Patent number: 10448496
    Abstract: A cavity coupler comprising of an outer coupler body, at least one shield formed inside the outer coupler body wherein the relationship between the shield and the outer coupler body form at least one chamber, an antenna configured to provide a radio frequency signal, and a flange for connecting the cavity coupler to a superconducting cavity. In an embodiment, the outer coupler body is formed of stainless steel. In an embodiment, the at least one shield is formed of copper.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: October 15, 2019
    Assignee: Fermi Research Alliance, LLC
    Inventor: Sergey Kazakov
  • Josephson junction using molecular beam epitaxy
    Patent number: 10431729
    Abstract: According to various implementations of the invention, a vertical Josephson Junction device may be realized using molecular beam epitaxy (MBE) growth of YBCO and PBCO epitaxial layers in an a-axis crystal orientation. Various implementations of the invention provide improved vertical JJ devices using SiC or LSGO substrates; GaN, AlN, or MgO buffer layers; YBCO or LSGO template layers; YBCO conductive layers and various combinations of barrier layers that include PBCO, NBCO, and DBCO. Such JJ devices are simple to fabricate with wet and dry etching, and allow for superior current flow across the barrier layers.
    Type: Grant
    Filed: July 8, 2017
    Date of Patent: October 1, 2019
    Assignee: Ambature, Inc.
    Inventors: Michael S. Lebby, Davis H. Hartmann
  • Wireless power transmission system and wireless power relay apparatus
    Patent number: 10432028
    Abstract: A wireless power relay apparatus includes a relay resonator configured to relay power from a source resonator configured to wirelessly transmit the power, to a target resonator configured to wirelessly receive the power through a mutual resonance, the relay resonator having a higher quality factor than the source resonator and the target resonator.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: October 1, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chi Hyung Ahn, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Dong Zo Kim, Bong Chul Kim, Yun Kwon Park, Jae Hyun Park, Keum Su Song, Young Ho Ryu, Byoung Hee Lee
  • Methods for making a superconducting device with at least one enclosure
    Patent number: 10424712
    Abstract: Some embodiments are directed to a device including multiple substrates comprising one or more troughs. The substrates are disposed such that the one or more troughs form at least one enclosure. At least one superconducting layer covers at least a portion of the at least one enclosure. Other embodiments are directed to a method for manufacturing a superconducting device. The method includes acts of forming at least one trough in at least a first substrate; covering at least a portion of the first substrate with a superconducting material; covering at least a portion of a second substrate with the superconducting material; and bonding the first substrate and the second substrate to form at least one enclosure comprising the at least one trough and the superconducting material.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: September 24, 2019
    Assignee: Yale University
    Inventors: Robert J. Schoelkopf, III, Luigi Frunzio, Michel Devoret, Teresa Brecht
  • Methods and systems for fabricating high quality superconducting tapes
    Patent number: 10395799
    Abstract: An MOCVD system fabricates high quality superconductor tapes with variable thicknesses. The MOCVD system can include a gas flow chamber between two parallel channels in a housing. A substrate tape is heated and then passed through the MOCVD housing such that the gas flow is perpendicular to the tape's surface. Precursors are injected into the gas flow for deposition on the substrate tape. In this way, superconductor tapes can be fabricated with variable thicknesses, uniform precursor deposition, and high critical current densities.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: August 27, 2019
    Inventors: Goran Majkic, Venkat Selvamanickam
  • Method for manufacturing a metal assembly having a sheet of thermally treated aluminum to obtain alpha alumina and another sheet having surface irregularities that become embedded in said surface during roll bonding
    Patent number: 10392687
    Abstract: A method for manufacturing a metal assembly including an aluminum sheet and at least one metal sheet. An aluminum sheet is treated by heating to a temperature of between 80% and 100% of the melting temperature of the material of which it is comprised for a sufficiently long duration to create and stabilize an alpha alumina layer at the surface of the aluminum sheet. The sheet is then cooled. A metal sheet having a ductility less than or equal to the ductility of the aluminum sheet after cooling is provided, which has surface irregularities having a depth greater than or equal to the thickness of the alpha alumina layer. The aluminum sheet and the metal sheet are roll bonded in a rolling mill to produce the metal assembly, wherein the rolling mill includes at least one cylinder, the outer rolling surface of which is provided with raised portions.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: August 27, 2019
    Assignees: Centre National de la Recherche Scientifique (CNRS), CNAM-Conservatoire National Des Arts Et Metiers, Ecole Normale Superieure De Cachan
    Inventors: Laurent Prevond, Nicolas Collard, Renaud Caplain, Pierre Francois
  • Wireless power transmission system and wireless power relay apparatus
    Patent number: 10389182
    Abstract: A wireless power relay apparatus includes a relay resonator configured to relay power from a source resonator configured to wirelessly transmit the power, to a target resonator configured to wirelessly receive the power through a mutual resonance, the relay resonator having a higher quality factor than the source resonator and the target resonator.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: August 20, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chi Hyung Ahn, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Dong Zo Kim, Bong Chul Kim, Yun Kwon Park, Jae Hyun Park, Keum Su Song, Young Ho Ryu, Byoung Hee Lee
  • Rare-earth regenerator material particles, and group of rare-earth regenerator material particles, refrigerator and measuring apparatus using the same, and method for manufacturing the same
    Patent number: 10385248
    Abstract: Provided is a group of rare-earth regenerator material particles having an average particle size of 0.01 to 3 mm, wherein the proportion of particles having a ratio of a long diameter to a short diameter of 2 or less is 90% or more by number, and the proportion of particles having a depressed portion having a length of 1/10 to ½ of a circumferential length on a particle surface is 30% or more by number. By forming the depressed portion on the surface of the regenerator material particles, it is possible to increase permeability of an operating medium gas and a contact surface area with the operating medium gas.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: August 20, 2019
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MATERIALS CO., LTD.
    Inventors: Katsuhiko Yamada, Keiichi Fuse
  • Anti-explosion terrace material and manufacturing method therefor
    Patent number: 10378219
    Abstract: An anti-explosion flooring material is disclosed. The material is prepared by foaming modification and rust prevention treatment of an iron alloy material and other auxiliary materials having components in percentage by weight: 85% of iron, 8% of manganese, 6% of silicon, and the remainder carbon. Because a foaming agent and rare earth are added, the static conducting performance of the flooring material is improved.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: August 13, 2019
    Assignee: Beijing Jinwanke decorative Engineering Company Limited
    Inventors: Hongsheng Cao, Xinmin Wang