Patents Examined by Colleen P Dunn
  • Patent number: 10937578
    Abstract: An R—Fe—B base sintered magnet is prepared through the steps of providing an alloy fine powder having a predetermined composition, compression shaping the alloy fine powder in an applied magnetic field into a compact, sintering the compact at a temperature of 900-1,250° C. into a sintered body, cooling the sintered body to 400° C. or below, high-temperature heat treatment including placing a metal, compound or intermetallic compound containing HR which is Dy, Tb and/or Ho, on the surface of the sintered body, heating at a temperature from more than 950° C. to 1,100° C., for causing grain boundary diffusion of HR into the sintered body, and cooling to 400° C. or below, and low-temperature heat treatment including heating at a temperature of 400-600° C. and cooling to 300° C. or below. The sintered magnet produces a high coercivity despite a low content of Dy, Tb and Ho.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: March 2, 2021
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Tetsuya Ohashi, Tetsuya Kume, Koichi Hirota, Hajime Nakamura
  • Patent number: 10934436
    Abstract: The invention relates to a transparent effect pigment which includes a non-metallic platelet-shaped substrate and a coating applied thereto, wherein the coating has a spacer layer. The invention further relates to a method for the production, as well as the use, of the transparent effect pigment.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: March 2, 2021
    Inventors: Michael Grüner, Günter Kaupp, Ralph Schneider
  • Patent number: 10926329
    Abstract: The present disclosure generally relates to methods and apparatuses for additive manufacturing (AM) that utilize compression chambers to reduce pressure on grown objects. In one aspect, the disclosure provides a method for fabricating an object. The method includes (a) irradiating a layer of powder in a build area above a build platform to form a fused region; (b) providing a subsequent layer of powder over the build area; and (c) repeating steps (a) and (b) until at least a portion of the object, at least one chamber, and a tube are formed in the build area. The chamber encloses a region of unfused powder and the tube extends from a passage within the build platform to the chamber. The method also includes (d) removing unfused powder from within the chamber via the tube and the passage. The disclosure also provides an apparatus for forming compression chambers within an object.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: February 23, 2021
    Assignee: GENERAL ELECTRIC COMPANY
    Inventor: Donald Michael Corsmeier
  • Patent number: 10920295
    Abstract: The present invention relates to alloy compositions for 3D metal printing procedures which provide metallic parts with high hardness, tensile strengths, yield strengths, and elongation. The alloys include Fe, Cr and Mo and at least three or more elements selected from C, Ni, Cu, Nb, Si and N. As built parts indicate a tensile strength of at least 1000 MPa, yield strength of at least 640 MPa, elongation of at least 3.0% and hardness (HV) of at least 375.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: February 16, 2021
    Assignee: The NanoSteel Company, Inc.
    Inventors: Charles D. Tuffile, Harald Lemke
  • Patent number: 10920309
    Abstract: A nitrided packaging steel in the form of a flat steel product and method for producing a nitrided packaging steel with a carbon content of 10-1000 ppm and uncombined nitrogen, dissolved in the steel, of more than 100 ppm. The nitriding is performed in two stages: a first stage, in which a molten steel is nitrided to a nitrogen content of at most 160 ppm by introducing a nitrogen-containing gas and/or a nitrogen-containing solid into the molten steel, and a second stage, in which a flat steel product produced from the nitrided molten steel by cold rolling is treated with a nitrogen-containing gas in order to increase further the amount of uncombined nitrogen in the flat steel product.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: February 16, 2021
    Assignees: ThyssenKrupp Rasselstein GmbH, ThyssenKrupp AG
    Inventors: Burkhard Kaup, Blaise Massicot, Dirk Matusch
  • Patent number: 10920301
    Abstract: An aluminum alloy casting excellent in high temperature strength and thermal conductivity, a method of producing the same, and an aluminum alloy piston for internal combustion engine using this casting. An aluminum alloy casting having a chemical composition comprising Si: 12.0 to 13.5 mass % Cu: 4.5 to 5.5 mass % Mg: 0.6 to 1.0 mass % Ni: 0.7 to 1.3 mass % Fe: 1.15 to 1.25 mass % Ti: 0.10 to 0.2 mass % P: 0.004 to 0.02 mass % and a balance of Al and unavoidable impurities, wherein in an observed field of view of 0.2 mm2, the major axis length of the Al—Fe—Si based crystallites is 100 ?m or less by average length of 10 crystallites from the largest down. The method for producing the casting comprising casting a melt of aluminum alloy having the above chemical composition at cooling rate of 100° C./sec or more, then performing aging treatment.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: February 16, 2021
    Assignees: Nippon Light Metal Company, Ltd., Honda Motor Co., Ltd.
    Inventors: Izumi Yamamoto, Kazuhiro Oda, Hisayasu Kojima, Naoko Sato, Ryo Wakabayashi, Akito Tanihata
  • Patent number: 10913116
    Abstract: The disclosure relates to thermoelectric materials prepared by self-propagating high temperature synthesis (SHS) process combining with Plasma activated sintering and methods for preparing thereof. More specifically, the present disclosure relates to the new criterion for combustion synthesis and the method for preparing the thermoelectric materials which meet the new criterion.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: February 9, 2021
    Assignee: WUHAN UNIVERSITY OF TECHNOLOGY
    Inventors: Xinfeng Tang, Xianli Su, Qiang Zhang, Xin Cheng, Dongwang Yang, Gang Zheng, Fan Fu, Tao Liang, Qingjie Zhang
  • Patent number: 10913118
    Abstract: The disclosure relates to thermoelectric materials prepared by self-propagating high temperature synthesis (SHS) process combining with Plasma activated sintering and methods for preparing thereof. More specifically, the present disclosure relates to the new criterion for combustion synthesis and the method for preparing the thermoelectric materials which meet the new criterion.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: February 9, 2021
    Assignee: WUHAN UNIVERSITY OF TECHNOLOGY
    Inventors: Xinfeng Tang, Xianli Su, Qiang Zhang, Xin Cheng, Dongwang Yang, Gang Zheng, Fan Fu, Tao Liang, Qingjie Zhang
  • Patent number: 10917096
    Abstract: A superconducting integrated circuit, comprising a plurality of superconducting circuit elements, each having a variation in operating voltage over time; a common power line; and a plurality of bias circuits, each connected to the common power line, and to a respective superconducting circuit element, wherein each respective bias circuit is superconducting during at least one time portion of the operation of a respective superconducting circuit element, and is configured to supply the variation in operating voltage over time to the respective superconducting circuit element.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: February 9, 2021
    Assignee: SeeQC Inc.
    Inventors: Oleg A. Mukhanov, Alexander F. Kirichenko, Dimitri Kirichenko
  • Patent number: 10913117
    Abstract: The disclosure relates to thermoelectric materials prepared by self-propagating high temperature synthesis (SHS) process combining with Plasma activated sintering and methods for preparing thereof. More specifically, the present disclosure relates to the new criterion for combustion synthesis and the method for preparing the thermoelectric materials which meet the new criterion.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: February 9, 2021
    Assignee: WUHAN UNIVERSITY OF TECHNOLOGY
    Inventors: Xinfeng Tang, Xianli Su, Qiang Zhang, Xin Cheng, Dongwang Yang, Gang Zheng, Fan Fu, Tao Liang, Qingjie Zhang
  • Patent number: 10913115
    Abstract: The disclosure relates to thermoelectric materials prepared by self-propagating high temperature synthesis (SHS) process combining with Plasma activated sintering and methods for preparing thereof. More specifically, the present disclosure relates to the new criterion for combustion synthesis and the method for preparing the thermoelectric materials which meet the new criterion.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: February 9, 2021
    Assignee: WUHAN UNIVERSITY OF TECHNOLOGY
    Inventors: Xinfeng Tang, Xianli Su, Qiang Zhang, Xin Cheng, Dongwang Yang, Gang Zheng, Fan Fu, Tao Liang, Qingjie Zhang
  • Patent number: 10907256
    Abstract: A method for forming a reinforced metallic structure includes providing a tool having a formation surface corresponding to a desired structure shape of the reinforced metallic structure. The method also includes positioning a plurality of fibers on the formation surface of the tool. The method also includes depositing a layer of material on the plurality of fibers using a cold-spray technique. The method also includes removing the layer of material with the plurality of fibers from the tool to create the reinforced metallic structure.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: February 2, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Gary D. Roberge, William J. Brindley
  • Patent number: 10899930
    Abstract: An asymmetric pigment including a first Fabry-Perot structure; and a second Fabry-Perot structure; wherein the first Fabry-Perot structure and the second Fabry-Perot structure have a similar hue angle within +/?45 degrees is disclosed. Other asymmetric pigments are also disclosed as well as methods of making the disclosed pigments.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: January 26, 2021
    Assignee: VIAVI SOLUTIONS INC.
    Inventor: Cornelis Jan Delst
  • Patent number: 10896773
    Abstract: Quench protected structured (QPS) superconducting cables, methods of fabricating the same, and methods of bending the same are disclosed. The methods of bending the QPS superconducting cables can be employed to produce windings. The QPS superconducting cables can rapidly drive a distributed quench to a normal conducting state in a superconducting cable if a region of the cable spontaneously quenches during high current operation.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: January 19, 2021
    Assignee: The Texas A&M University System
    Inventors: Peter McIntyre, Akhdiyor Sattarov, Thomas Mann, James Gerity, Klaus Smit, Daniel Chavez, Nathaniel Pogue, Michael Tomsic
  • Patent number: 10889881
    Abstract: An aluminum alloy pipe produced by porthole extrusion includes: Mg at a concentration equal to or higher than 0.7% (mass %, the same applies hereinafter) and lower than 1.5%; Ti at a concentration higher than 0% and equal to or lower than 0.15%; with the balance being Al and unavoidable impurities. As the unavoidable impurities, Si has a limited concentration of 0.20% or lower, Fe 0.20% or lower, Cu 0.05% or lower, Mn 0.10% or lower, Cr 0.10% or lower, and Zn 0.10% or lower. Difference between the maximum value and the minimum value of the Mg concentration in a lengthwise direction of the pipe is 0.2% or lower, and the average crystal grain size in a cross-section perpendicular to the lengthwise direction is 300 ?m or smaller. An aluminum alloy pipe used for piping or hose joints and having excellent strength, corrosion resistance, and processability can be provided.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: January 12, 2021
    Assignees: UACJ CORPORATION, UACJ EXTRUSION CORPORATION
    Inventors: Taichi Suzuki, Hidenori Hatta, Takumi Ishizaka
  • Patent number: 10892091
    Abstract: A method of manufacturing a permanent magnet comprises a solution heat treatment. The solution heat treatment includes: performing a heat treatment at a temperature TST; placing a cooling member including a first layer and a second layer on the first layer between the heater and the treatment object so that the first layer faces the treatment object; and transferring the treatment object together with the cooling member to the outside of a heating chamber, and cooling the treatment object until a temperature of the treatment object becomes a temperature lower than a temperature TST?200° C. In the step of cooling the treatment object, a cooling rate until the temperature of the treatment object becomes the temperature TST?200° C. is 5° C./s or more.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: January 12, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Naoyuki Sanada, Shinya Sakurada, Yosuke Horiuchi, Masaya Hagiwara, Masaki Endo, Takahiro Terada, Hideo Chikaoka
  • Patent number: 10883162
    Abstract: The present invention provides an alloy for medical use including an Au—Pt alloy, in which the Au—Pt alloy has a Pt concentration of 24 mass % or more and less than 34 mass % with the balance being Au, and has at least a material structure in which a Pt-rich phase having a Pt concentration higher than that of an ?-phase is distributed in an ?-phase matrix, the Pt-rich phase has a Pt concentration that is 1.2 to 3.8 times the Pt concentration of the ?-phase, and the Pt-rich phase has an area ratio of 1 to 22% in any cross-section. This alloy is an artifact-free alloy material that exhibits excellent compatibility with a magnetic field environment such as an MRI and has magnetic susceptibility of ±4 ppm with respect to magnetic susceptibility of water.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: January 5, 2021
    Assignees: TANAKA KIKINZOKU KOGYO K.K., KYOTO UNIVERSITY
    Inventors: Kunihiro Shima, Kenji Goto, Yasushi Masahiro, Asaka Ueno, Hiroo Iwata, Ryusuke Nakai, Tomonobu Kodama
  • Patent number: 10875100
    Abstract: A sintered body includes cubic boron nitride grains as hard phase grains, and has a thermal conductivity of not less than 15 W·m?1·K?1 and not more than 40 W·m?1·K?1, for cutting a nickel-based heat-resistant alloy formed of crystal grains having a fine grain size represented by a grain size number of more than 5 defined by ASTM standard E112-13. A cutting tool includes this sintered body. Accordingly, the sintered body having both high wear resistance and high fracture resistance, as well as the cutting tool including the sintered body are provided.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: December 29, 2020
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Kentaro Chihara, Satoru Kukino
  • Patent number: 10875091
    Abstract: A method for manufacturing metal powder is provided. The method includes preparing first metal powder, agglomerating the first metal powder to manufacture second metal powder in which the first metal powder is agglomerated, coating the second metal powder with an organic binder, and agglomerating and coarsening the second metal powder coated with the organic binder to manufacture third metal powder having higher flowability than the second metal powder coated with the organic binder.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: December 29, 2020
    Assignees: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION, HANYANG UNIVERSITY ERICA CAMPUS
    Inventors: Jaisung Lee, Wookyung You
  • Patent number: 10870148
    Abstract: A transition element-doped aluminum powder metal and a method of making this powder metal are disclosed. The method of making includes forming an aluminum-transition element melt in which a transition element content of the aluminum-transition element melt is less than 6 percent by weight. The aluminum-transition element melt then powderized to form a transition element-doped aluminum powder metal. The powderization may occur by, for example, air atomization.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: December 22, 2020
    Assignee: GKN Sinter Metals, LLC
    Inventors: Donald Paul Bishop, Richard L. Hexemer, Jr., Ian W. Donaldson, Randy William Cooke