Patents Examined by Nazmun Nahar Shams
  • Patent number: 11975390
    Abstract: Provided are a method for producing indium tin oxide particles and a method for producing a curable composition, the methods including a step of obtaining a precursor solution including indium and tin by heating indium acetate and tin acetate in a solvent including a carboxylic acid and having 6 to 20 carbon atoms, and a step of obtaining a reaction solution including indium tin oxide particles by dropwise adding the obtained precursor solution to a solvent having a hydroxy group and having 14 to 22 carbon atoms, which has a temperature of 230° C. to 320° C., in which an acetic acid concentration in the precursor solution is in a range of 0.5% by mass to 6% by mass.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: May 7, 2024
    Assignee: FUJIFILM CORPORATION
    Inventors: Masahiro Takata, Atsushi Tanaka
  • Patent number: 11959160
    Abstract: Disclosed is a copper-niobium alloy for a medical biopsy puncture needle. A needle core and/or needle tube of the puncture needle are/is made of the copper-niobium alloy. The copper-chromium alloy includes the following components by mass: 5?Nb?15 and the balance of Cu. A copper alloy with designed components is obtained by combining a diamagnetic material Cu with paramagnetic Nb, and compared with existing medical stainless steel and titanium alloy, the copper alloy has greatly reduced magnetic susceptibility, and specifically, the artifact area and volume are also significantly reduced. In addition, the blank of use of the copper alloy in medical biopsy paracentesis is filled.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: April 16, 2024
    Assignee: University of Shanghai for Science and Technology
    Inventors: Xiaohong Chen, Xiaofei Liang, Honglei Zhou, Jian Zhao, Ping Liu, Shaoli Fu
  • Patent number: 11952651
    Abstract: An Fe-based amorphous alloy ribbon reduced in iron loss, less deformed, and highly productive in a condition of a magnetic flux density of 1.45 T is provided. One aspect of the present disclosure provides an Fe-based amorphous alloy ribbon having first and second surfaces, and is provided with continuous linear laser irradiation marks on at least the first surface. Each linear laser irradiation mark is formed along a direction orthogonal to a casting direction of the Fe-based amorphous alloy ribbon, and has unevenness on its surface. When the unevenness is evaluated in the casting direction, a height difference HL×width WA calculated from the height difference between a highest point and a lowest point in a thickness direction of the Fe-based amorphous alloy ribbon and the width WA which is a length of the linear irradiation mark on the first surface is 6.0 to 180 ?m2.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: April 9, 2024
    Assignee: PROTERIAL, LTD.
    Inventors: Hajime Itagaki, Morifumi Kuroki, Makoto Sasaki, Shin Nakajima
  • Patent number: 11946113
    Abstract: A method for producing a grain oriented electrical steel sheet includes a decarburization annealing process where an oxidation degree PH2O/PH2 is controlled, an annealing separator applying process where a mass ratio of MgO and Al2O3 in an annealing separator is controlled, a final annealing process where hydrogen in mixed gas atmosphere is controlled to 50 volume % or more, an annealing separator removing process where water-washing is conducted using solution with inhibitor, a smoothing process where chemical-polished is conducted to control average roughness Ra, and an insulation coating forming process where insulation coating forming solution in which crystalline phosphide is included is applied.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: April 2, 2024
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Shinsuke Takatani, Yoshiyuki Ushigami
  • Patent number: 11945033
    Abstract: A method is provided for the heat treatment of an object comprising at least one rare-earth element with a high vapor pressure. One or more objects comprising at least one rare-earth element with a high vapor pressure are arranged in an interior of a package. An external source of the at least one rare-earth element is arranged so as to compensate for the evaporation of this same rare-earth element from the object and/or to increase the vapor pressure of the rare-earth element in the interior of the package, and the package is heat treated.
    Type: Grant
    Filed: March 31, 2022
    Date of Patent: April 2, 2024
    Assignee: VACUUMSCHMELZE GMBH & CO. KG
    Inventors: Kaan Üstüner, Matthias Katter, Christoph Brombacher, Daniela Benedikt
  • Patent number: 11946109
    Abstract: A spheroidal graphite cast iron having a chemical composition of: C: 3.0% to 4.0%, Si: 2.0% to 2.4%, Cu: 0.20% to 0.50%, Mn: 0.15% to 0.35%, S: 0.005% to 0.030%, Mg: 0.03% to 0.06%, each by mass, and the balance being Fe and inevitable impurities, where Mn and Cu are contained at 0.45% to 0.75% in total; and a structure in which a ferrite layer encloses spheroidal graphite crystallized out in a matrix of pearlite. Part of the pearlite is extended from the matrix side to the spheroidal graphite side to divide the ferrite layer at one or more areas.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: April 2, 2024
    Assignee: KABUSHIKI KAISHA RIKEN
    Inventor: Tomoyuki Tobita
  • Patent number: 11926884
    Abstract: A 2-step high temperature process for recovering Ni, Co, and Mn from various sources comprises preparing a metallurgical charge comprising materials containing Ni, Co, and Mn, and Si, Al, Ca and Mg as slag formers; smelting the charge with slag formers in first reducing conditions, thereby obtaining a Ni—Co alloy comprising a major part of at least one of Co and Ni, with Si<0.1%, and a first slag comprising the major part of the Mn; separation of the first slag from the alloy; and, smelting the first slag in second reducing conditions, more reducing than said first reducing conditions, thereby obtaining a Si—Mn alloy comprising the major part of the Mn, with Si>10%, and a second slag. A Ni—Co alloy is produced, and a Si—Mn alloy is produced. The second slag is essentially free of heavy metals and therefore suitable for reuse.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: March 12, 2024
    Assignee: Umicore
    Inventors: Lennart Scheunis, Isabel Vermeulen
  • Patent number: 11915861
    Abstract: There is provided a method for manufacturing a rare earth sintered magnet having a stable magnetic performance, by uniformly distributing a heavy rear earth element to the surface of the magnet and the grain boundary inside of the magnet by using a mixture of a heavy rare earth compound or a heavy rare earth metal alloy and a rare earth magnet powder, to lower a decrease rate of the magnetic characteristics based on the temperature of the rare earth sintered magnet.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: February 27, 2024
    Assignee: STAR GROUP IND. CO., LTD
    Inventors: Dong Hwan Kim, Koon Seung Kong
  • Patent number: 11904370
    Abstract: A drawing die made from cemented carbide material is formed of tungsten carbide and a metallic binder. The cemented carbide material includes: tungsten carbide with an average grain size of 0.15-1.3 ?m, 0.5-5.0 wt.-% (Co+Ni), with a ratio Co/(Co+Ni) of 0.6-0.9; 0.1-1.0 wt.-% Cr, with 0.05?Cr/(Co+Ni)?0.22; 0.02-0.2 wt.-% Mo; and 0-0.04 wt.-% V. The cemented carbide material is substantially free from ?-phase.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: February 20, 2024
    Assignees: CERATIZIT Luxembourg S.A.R.L., CERATIZIT Como S.P.A.
    Inventors: Michael Droeschel, Antonello Valsecchi
  • Patent number: 11897035
    Abstract: A production method of particulate materials, through centrifugal atomization (CA) is disclosed. The method is suitable for obtaining fine spherical powders with exceptional morphological quality and extremely low content, or even absence of non-spherical-shape particles and internal voids. A appropriate cost effective method for industrial scale production of metal, alloy, intermetallic, metal matrix composite or metal like material powders in large batches is also disclosed. The atomization technique can be extended to other than the centrifugal atomization with rotating element techniques.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: February 13, 2024
    Assignee: INNOMAQ 21, S.L.
    Inventor: Isaac Valls Anglés
  • Patent number: 11897030
    Abstract: A method and system for providing cooling to a part formed using high-temperature additive manufacturing process. Infrared sensors or cameras are used to measure sidewall temperatures and, optionally, top layer temperature. Coolant nozzles provide cooling to the sidewalls of the finished layers and, optionally, to the top layer. The coolant intensity of the coolant nozzles is controlled in order to reduce temperature gradients between layers and/or to maintain temperatures in each layer below preferred maximum temperature.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: February 13, 2024
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Liang He, Ranajit Ghosh, Mark Kurt Weise
  • Patent number: 11890676
    Abstract: A method of making a waveguide for a radar system includes forming an additive manufacturing build of a waveguide by forming an initial layer, followed by forming a succession of build layers on the initial layer in a build direction from the initial layer towards a final layer. Forming the succession of build layers includes forming an overhanging feature supported by a support formed in the succession of build layers.
    Type: Grant
    Filed: February 15, 2021
    Date of Patent: February 6, 2024
    Assignee: Raytheon Missiles & Defense (RMD)
    Inventors: James Benedict, Raquel M. Doyen, Brian J. Duffy, Judith E. Gill, Erica Klek, Jacob Steinberg
  • Patent number: 11885001
    Abstract: A manufacturing method according to one aspect includes performing a first process of refining crystal grains of the metal member, performing a second process of releasing residual stress of the metal member after the first process, and performing a third process of applying residual stress to the metal member after the second process.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: January 30, 2024
    Assignee: SINTOKOGIO, LTD.
    Inventor: Yuta Saito
  • Patent number: 11881351
    Abstract: The disclosure provides a preparation method, which comprises: providing a moulding die for a ring-shaped sintered Nd—Fe—B magnet; placing a Nd—Fe—B magnetic powder into the mould cavity of the moulding die in a loosely packed state, the loosely packed height of the Nd—Fe—B magnetic powder is L; placing a flexible cylindrical core into the loosely packed Nd—Fe—B magnetic powder at a L/2 position, wherein an axial direction of the flexible cylindrical core is horizontal and parallel to the direction of a magnetic field in the mould cavity; applying a vertical pressure to the Nd—Fe—B magnetic powder to obtain a ring-shaped green block assembly with the flexible cylindrical core embedded; after encapsulating and isolating the ring-shaped green block assembly, applying an isostatic pressure to the ring-shaped green block assembly; sintering the ring-shaped green block assembly to obtain a ring-shaped sintered blank; thermally aging, grinding and slicing the ring-shaped sintered blank.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: January 23, 2024
    Assignee: Yantai Shougang Magnetic Materials Inc
    Inventors: Zhanji Dong, Zhongjie Peng
  • Patent number: 11858039
    Abstract: Methods for fabricating a multi-material composite structure are described. Methods for fabricating a multi-material composite structure include forming a first colloidal ink solution with a first material matrix, water, and a rheology modifying agent; forming a second colloidal ink solution with a second material matrix, water, and a rheology modifying agent; printing a first layer on a substrate using a first printing nozzle carrying the first colloidal ink solution; printing a second layer on top of the first layer using a second printing nozzle carrying the second colloidal ink solution; forming a 3D structure by printing a plurality of layers including the first layer and the second layer printed in an alternating pattern; and sintering the 3D structure to form the multi-material composite structure.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: January 2, 2024
    Assignees: Saudi Arabian Oil Company, William Marsh Rice University
    Inventors: Seyed Mohammad Sajadi, Peter Boul, Chandra Sekhar Tiwary, Muhammad M. Rahman, Pulickel M. Ajayan, Carl Thaemltiz
  • Patent number: 11850664
    Abstract: A silicified modified zero-valent iron, whose surface layer is a silicon-containing oxide layer formed by silicate, which is obtained by the following method: dissolved silicate and micron iron powder are used as raw materials and mixed in proportion, and ball milling under an inert gas atmosphere to obtain the silicified modified zero-valent iron. The invention also discloses the application of silicified modified zero-valent iron in repairing polluted water bodies. The invention uses green silicate as silicon source to carry out surface silicification modification of micron zero-valent iron, which has simple operation, low cost and is convenient for large-scale production. Moreover, the prepared silicified zero-valent iron has good dispersibility, high reduction activity and strong recycling performance, and can be used for the treatment of various polluted water bodies and soil.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: December 26, 2023
    Assignee: CHINESE RESEARCH ACADEMY OF ENVIRONMENTAL SCIENCES
    Inventors: Minda Yu, Mingxia Zheng, Beidou Xi, Jing Su, Yuanyuan Sun, Xiaosong He
  • Patent number: 11834726
    Abstract: A method for producing a patterned stainless steel sheet with improved visual characteristics in the wavelength area of visible light including providing a deformed stainless steel sheet; performing a heat treatment on the deformed stainless steel sheet, wherein the heat treatment is conducted at a temperature of 900-1200° C.; performing a mechanical treatment on at least one surface of the heat treated stainless steel sheet; transferring the mechanically treated stainless steel sheet to a patterning process, wherein, in the patterning process, at least one side of the mechanically treated stainless steel sheet is patterned using a patterning roll having a surface with an emboss depth of up to 100 micrometers to provide a patterned stainless steel sheet; and performing a heat treatment on the patterned stainless steel sheet, wherein the heat treatment is conducted at a temperature range of 900-1200° C., wherein the mechanical treatment is carried out by blasting.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: December 5, 2023
    Assignee: Outokumpu Oyj
    Inventors: Jörn Teipel, Dirk Wiemer, Lutz Zoppke, Patrick Vogel, Andreas Jääger, Michael Weg, Burkhard Arnold, Frank Wörster
  • Patent number: 11826824
    Abstract: A method of additively manufacturing an object includes successively forming a plurality of powder layers by depositing powder over a build platform using a powder-deposition apparatus. The method also includes successively forming a binder shell by bonding select regions of each one of the plurality of powder layers before forming each successive one of the plurality of powder layers using a binder-delivery apparatus. The binder shell encloses a portion of the powder. The method further includes densifying the portion of the powder bound by the binder shell using a consolidation apparatus.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: November 28, 2023
    Assignee: The Boeing Company
    Inventors: Elaine MacDonald, Russell W. Cochran, Daniel J. Braley
  • Patent number: 11826858
    Abstract: An amalgamation preform is provided. The amalgamation preform includes a base metal, and a plurality of types of solid particles dispersed in the base metal, the base metal including one of a liquid base metal and a solid base metal. The plurality of types of solid particles at least includes: non-reactive magnetic particles, responsive to a magnetic field for controllably dispersing the plurality of types of solid particles in the base metal, and reactive particles, reactable with the base metal under the magnetic field.
    Type: Grant
    Filed: October 18, 2020
    Date of Patent: November 28, 2023
    Assignee: MESOGLUE, INC.
    Inventors: Stephen P. Stagon, Chuanwei Zhuo, Paul Elliott, Hanchen Huang
  • Patent number: 11819953
    Abstract: A method of using an amalgamation preform includes providing mating bonding surfaces and placing a particle-liquid mixture corresponding to the amalgamation preform between the mating bonding surfaces. The particle-liquid mixture contains a plurality of types of solid particles and a base metal in a liquid form, and the plurality of types of solid particles at least includes reactive particles reactable with the base metal and non-reactive magnetic particles. A first magnetic field is applied to the particle-liquid mixture to magnetically disperse the plurality of types of solid particles in the liquid base metal to form a particle-liquid dispersion; and a second magnetic field is applied to cure the particle-liquid dispersion to allow reactions between the reactive particles and the base metal.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: November 21, 2023
    Assignee: MESOGLUE, INC
    Inventors: Stephen P. Stagon, Chuanwei Zhuo, Paul Elliott, Hanchen Huang