Patents Examined by Adil A. Siddiqui
  • Patent number: 12286683
    Abstract: A high-strength steel sheet with excellent delayed fracture resistance, having a tensile strength of 1700 MPa or larger, including a predetermined component composition, having a martensite structure whose ratio accounts for 95 area % or more of the entire metallographic structure, and having a transition metal carbide whose ratio accounts for 0.8 volume % or more of the entire metallographic structure.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: April 29, 2025
    Assignee: Kobe Steel, Ltd.
    Inventors: Kosuke Shibata, Junichiro Kinugasa, Keisuke Nakata, Atsuhiro Shiraki
  • Patent number: 12286690
    Abstract: A Ni—Cr—Mo—Nb alloy consists of, in mass %, C: not more than 0.020%, Si: 0.02 to 1.0%, Mn: 0.02 to 1.0%, P: not more than 0.03%, S: not more than 0.005%, Cr: 18.0 to 24.0%, Mo: 8.0 to 10.0%, Al: 0.005 to 0.4%, Ti: 0.1 to 1.0%, Fe: not more than 5.0%, Nb: 2.5 to 5.0%, N: 0.002 to 0.02%, and at least one of W: 0.02 to 0.3% and V: 0.02 to 0.3%, and Ni as a remainder and inevitable impurities, in which an freely selected cross section of alloy, sum of number of particles of NbC carbide and (Ti, Nb)N nitride is 100 to 1000 particles/mm2, number of particles of the NbC carbide is not more than 40 particles/mm2, and number of particles of the (Ti, Nb)N nitride is 100 to 1000 particles/mm2.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: April 29, 2025
    Assignee: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Taiki Maeda, Fugao Wei
  • Patent number: 12286687
    Abstract: The present disclosure provides a polymetallic-ore beneficiation and separation reagent, a preparation method therefor and use thereof. The preparation method for a polymetallic-ore beneficiation and separation reagent, includes following steps: (1) mixing a substance A, caustic soda, soda ash and sodium polysulfide, and then heating the same and performing a catalytic reaction, to render an intermediate product B, wherein the substance A includes one or more of urea, glycine, urea peroxide, ammonium cyanate and isocyanic acid; and (2) mixing the intermediate product B with trichloroisocyanuric acid, dichloroisocyanuric acid and 2-amino-3-(4-imidazolyl)propanoic acid, to render the polymetallic-ore beneficiation and separation reagent.
    Type: Grant
    Filed: November 15, 2024
    Date of Patent: April 29, 2025
    Assignee: Beijing LRS Technology Co., Ltd.
    Inventors: Bozeng Wu, Hongxin Qiu, Xiaohao Sun
  • Patent number: 12280412
    Abstract: A coil skid on which a hot-rolled coil 1 obtained by coiling a hot-rolled steel sheet is placed includes: at least two or more layers of a metal plate 11 and at least two or more layers of a heat insulating material 12 each stacked alternately, in which the metal plate 11 is in contact with the hot-rolled coil 1. The uneven cooling of an outer peripheral portion of the hot-rolled coil caused by the coil skid is prevented while ensuring the strength of the coil skid, to thereby inhibit the uneven hardness in the longitudinal direction of the hot-rolled coil resulting from this uneven cooling.
    Type: Grant
    Filed: October 2, 2020
    Date of Patent: April 22, 2025
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Takayuki Otsuka, Tooru Akashi, Kazuki Shiokawa, Yuki Takeuchi, Hiroki Matsubara
  • Patent number: 12275065
    Abstract: Atomic Layer Deposition (ALD) and Molecular Layer Deposition (MLD) provide precise and conformal coatings that are employed to modify the properties of powders for additive manufacturing (AM). We have surprisingly discovered that use of a limited number of ALD cycles can impart improved flowability. In various aspects, the coating may provide one or more advantages such as novel material properties, increased flowability, improved sintering, enhanced stability during storage, and prevention of premature sintering.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: April 15, 2025
    Assignee: Forge Nano, Inc.
    Inventors: John Barnes, Karen Buechler, Christopher Gump, Daniel Higgs, Paul Nelson, Wayne Simmons
  • Patent number: 12270157
    Abstract: A method for assembling at least one rolling support and guide element with a complementary part by direct flash welding includes the step of a first step carried out by a first flashing phase intended to increase the temperature of the surfaces to be welded in a homogeneous manner, the duration of this first step being between 15 s and 40 s. A second step is carried out by a phase of preheating by Joule effect of the parts to be welded, the duration of this second step being between 45 s and 55 s with a heating current of between 55 kA and 70 kA. A third step is carried out by a second flashing phase to deoxidize the faces to be welded while avoiding their re-oxidation, the duration of this third step being between 12 s and 22 s and with a flashing current of between 16 kA and 19 kA. A step is included bringing the surfaces to be welded into contact.
    Type: Grant
    Filed: January 3, 2024
    Date of Patent: April 8, 2025
    Assignee: VOSSLOH COGIFER
    Inventors: Francesco Barresi, Sylvain Schmitt
  • Patent number: 12264379
    Abstract: An embodiment of the present invention provides a wire rod and a method of manufacturing same. The wire rod comprises, by weight %, 0.3-0.5 wt % of C, 0.02-0.4 wt % of Si, 1.0-1.5 wt % of Mn, 0.3-0.7 wt % of Cr, 0.003 wt % or less (exclusive of 0 wt %) of B, less than 0.03 wt % (exclusive of 0 wt %) of Ti, 0.03 wt % or less (inclusive of 0 wt %) of P, 0.01 wt % or less (inclusive of 0 wt %) of S, 0.02-0.05 wt % of Al, 0.001-0.01 wt % of N, and the balance being Fe and inevitable impurities, wherein a microstructure is a complex structure having a main phase of ferrite+pearlite, with at least one of bainite or martensite accounting for 5 area % or less (inclusive of 0%), and has a cementite average aspect ratio of 35 or less in an area covering ?-? of the diameter.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: April 1, 2025
    Assignee: POSCO
    Inventors: Sang-Yoon Lee, In-Gyu Park, Jae-Seung Lee, Byoung-Gab Lee
  • Patent number: 12258649
    Abstract: Method for thermally treating a scrolling steel strip (5), said method comprising the following steps: heating the strip (5) in a zone for heating with a direct flame (10); temperature homogenisation of the strip (5) in a homogenisation chamber (20) comprising at least one radiant heating tube (25), so as to homogenise the strip (5) in temperature after the passing thereof into the zone for heating with a direct flame (10) of the preceding step; oxidation of the strip (5) in an oxidation chamber (30) with an oxidising atmosphere having an oxygen volume concentration greater than 1%; reduction of the strip (5) in a reduction zone (40).
    Type: Grant
    Filed: December 7, 2023
    Date of Patent: March 25, 2025
    Assignees: DREVER INTERNATIONAL, John Cockerill SA
    Inventors: Jean-Pierre Crutzen, Lutz Kümmel, Frank Maschler, Michel Renard
  • Patent number: 12257770
    Abstract: The present disclosure describes multi-fluid kits for printing three-dimensional green body objects, three-dimensional printing kits, and methods of three-dimensional printing. In one example, a multi-fluid kit for printing a three-dimensional green body object can include an adhesion promoter agent and a binder agent. The adhesion promoter agent can include water and a dihydrazide compound. The binder agent can include water, an organic co-solvent, a glycidyl compound having two or more glycidyl groups per molecule, and latex particles. The latex particles can include polymerized monomers. The polymerized monomers can include a first monomer having an acid group and a second monomer having a vinyl group and without an acid group.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: March 25, 2025
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: Tienteh Chen
  • Patent number: 12260987
    Abstract: A method of manufacturing a coil component includes providing an intermediate body, heating the intermediate body at a first temperature ranging from 100 to 350° C., and after the heating at the first temperature, heating the intermediate body at a higher second temperature ranging from 600 to 900° C. The providing of the intermediate body including (i) preparing a base material having a flat plate shape or a wire shape, (ii) bending the base material to form a conductor portion, (iii) preparing a metal magnetic paste containing a resin and a plurality of metal magnetic particles mainly composed of iron, and (iv) applying a molding pressure to the metal magnetic paste covering the base material to form the intermediate body including a substrate body containing the plurality of metal magnetic particles and the conductor portion. The magnetic base body including an oxide coating film containing iron oxide on a surface of each of the metal magnetic particles.
    Type: Grant
    Filed: March 19, 2024
    Date of Patent: March 25, 2025
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Takayuki Arai, Tomoo Kashiwa
  • Patent number: 12252759
    Abstract: Provided is a steel sheet and a method for manufacturing same, the steel sheet, which can be used for automobile parts and the like, having superb bendability, and excellent balance of strength and ductility and of strength and hole expansion ratio. The steel sheet includes: by wt %, C: 0.25 to 0.75%, Si: 4.0% or less, Mn: 0.9 to 5.0%, Al: 5.0% or less, P: 0.15% or less, S: 0.03% or less, N: 0.03% or less, a balance of Fe, and unavoidable impurities; and as microstructures, ferrite which is a soft structure, and tempered martensite, bainite, and retained austenite which are hard structures.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: March 18, 2025
    Assignee: POSCO CO., LTD
    Inventors: Jae-Hoon Lee, Min-Seo Koo, Tae-Oh Lee
  • Patent number: 12252767
    Abstract: A sintered cemented carbide includes a high entropy carbide or a spinodal decomposed product thereof; and a metallic binder containing at least one of Co, Co—Ru, Ni, Co—Ni, Co—Cr, Co—Ni—Cr, Co—Re, Co—Ni—Re, Co—Ni—Ru, or a high entropy alloy, wherein the high entropy carbide is a single-phase solid solution carbide comprising four to ten metallic elements, and the spinodal decomposed product thereof includes two chemically distinct phases having a same crystal structure. A sintered cemented carbide also includes a carbide including at least one of WC, TiC, ZrC, HfC, NbC, TaC, or Cr3C2; and a metallic binder including a high entropy alloy. The high entropy alloy is an alloy of four to ten alloy elements selected from Al, Be, Fe, Co, Cr, Ni, Cu, W, V, Zr, Ti, Mn, Hf, Nb, Mo, Ru, Re, Ge, Sn, C, B, or Si.
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: March 18, 2025
    Assignee: BAKER HUGHES OILFIELD OPERATIONS LLC
    Inventors: Andrew Robertson, Marc Bird
  • Patent number: 12247268
    Abstract: A sublimation/distillation apparatus including a crucible with an open end, a heating device thermally coupled to the crucible, an actively cooled collection substrate disposed above the open end of the crucible, and a vacuum chamber housing the crucible, the heating device, and the actively cooled collection substrate.
    Type: Grant
    Filed: October 29, 2024
    Date of Patent: March 11, 2025
    Assignee: SHINE Technologies, LLC
    Inventors: Gregory Piefer, Eric Van Abel, Richard Sisson
  • Patent number: 12240060
    Abstract: Some implementations of the disclosure are directed to low melting temperature (e.g., liquidus temperature below 210° C.) SnIn solder alloys. A SnIn solder alloy may consist of: 8 to 20 wt % In; greater than 0 wt % to 4 wt % Ag; optionally, one or more of greater than 0 wt % to 5 wt % Sb, greater than 0 wt % to 3 wt % Cu, greater than 0 wt % to 2.5 wt % Zn, greater than 0 wt % to 1.5 wt % Ni, greater than 0 wt % to 1.5 wt % Co, greater than 0 wt % to 1.5 wt % Ge, greater than 0 wt % to 1.5 wt % P, and greater than 0 wt % to 1.5 wt % Mn; and a remainder of Sn.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: March 4, 2025
    Assignee: INDIUM CORPORATION
    Inventors: Francis M. Mutuku, Ning-Cheng Lee, Hongwen Zhang
  • Patent number: 12241143
    Abstract: A compliant mount or mechanism structure includes a titanium-zirconium-niobium alloy including titanium, about 13.5 to about 14.5 wt. % zirconium, and about 18 to about 19 weight % (wt. %) niobium. The titanium-zirconium-niobium alloy has a congruent melting temperature of about 1750 to about 1800° C.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: March 4, 2025
    Assignee: RAYTHEON COMPANY
    Inventors: Sunder S. Rajan, Robert Ko, Michael Ushinsky
  • Patent number: 12226815
    Abstract: The present disclosure provides a method of forming an extruded billet from a coarse-grained magnesium alloy billet. The method includes extruding the coarse-grained magnesium alloy biller at temperatures greater than or equal to about 300° C. to less than or equal to about 360° C. to from the extruded billet. The coarse-grained magnesium alloy billet has an average grain size greater than or equal to about 800 ?m, and has a low aluminum content. The coarse-grained magnesium alloy billet includes greater than or equal to about 0.5 wt. % to less than or equal to about 3 wt. % of aluminum. The extruded billet may have a plurality of twins with lenticular morphology, which occupies an area fraction greater than or equal to about 20% of a total area of the extruded billet.
    Type: Grant
    Filed: July 25, 2022
    Date of Patent: February 18, 2025
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Henry Zhan, Congjie Wang
  • Patent number: 12214423
    Abstract: A high-energy beam additive manufacturing forming device and forming method, comprising a magnetic field unit for assisting additive forming, and further comprising a forming base (6) for placing a material (12) to be processed, and a high-energy beam generation device which emits a high-energy beam, acts on the material (12) to be processed and forms a molten pool (15). The magnetic field unit comprises a first magnetic field generating device (7), and the first magnetic field generating device (7) comprises an induction coil (20) provided below the molten pool (15). The first magnetic field generating device (7) is detachably provided below a surface, used for containing the material (12) to be processed, of the forming base (6); second magnetic field generating devices (16) are provided above the forming base (6).
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: February 4, 2025
    Assignee: SHANGHAI UNIVERSITY
    Inventors: Zhongming Ren, Jiang Wang, Chaoyue Chen, Sansan Shuai, Tao Hu, Ruixin Zhao, Wei Liu
  • Patent number: 12208471
    Abstract: A material includes a plurality of supercooled micro-capsules each including a metallic core in a liquid state at a temperature below a solidification temperature of the metallic core and further includes a metallic shell surrounding each respective metallic core. A plurality of alloyed metallic particles and flux are mixed with the plurality of supercooled micro-capsules to form a solder paste. Upon heating the solder paste, the plurality of alloyed particles melt. As the metallic shells destabilize, the liquid metallic cores interdiffuse with the melted alloyed particles forming a new alloy that has a higher melting temperature than the melting temperature of the alloyed metallic particles.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: January 28, 2025
    Assignee: THE INDIUM CORPORATION OF AMERICA
    Inventors: Martin Thuo, Ian Tevis, Dana Drochner
  • Patent number: 12211633
    Abstract: What is provided is a non-oriented electrical steel sheet having a chemical composition in which, by mass %, C: 0.010% or less, Si: 1.50% to 4.00%, sol. Al: 0.0001% to 1.0%, S: 0.010% or less, N: 0.010% or less and one or a plurality of elements selected from the group consisting of Mn, Ni, Co, Pt, Pb, Cu and Au: 2.50% to 5.00% in total with a remainder including Fe and impurities, in which a recrystallization rate is 1% to 99% in a metallographic structure, a sheet thickness is 0.50 mm or less, and, in the case of measuring a magnetic flux density B50 after annealing the non-oriented electrical steel sheet at 800° C. for two hours, a magnetic flux density B50 in a 45° direction with respect to a rolling direction is 1.75 T or more.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: January 28, 2025
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Tesshu Murakawa, Miho Tomita, Hiroshi Fujimura, Satoshi Kano
  • Patent number: 12205739
    Abstract: A method for producing a bonded magnet, comprising: (i) low-shear compounding of a thermoplastic polymer and magnetic particles to form an initial homogeneous mixture thereof; (ii) feeding the initial homogeneous mixture into a plasticator comprising a low-shear single screw rotating unidirectionally toward a die orifice and housed within a heated barrel to result in heating of the initial homogeneous mixture until the thermoplastic polymer melts and forms a further homogeneous mixture, wherein said further homogeneous mixture is transported within threads of the single screw towards the die orifice and exits the die orifice as a solid pellet; (iii) conveying the solid pellet into a mold and compression molding the pellet in the mold, to form the bonded magnet, wherein the bonded magnet possesses a magnetic particle loading of at least 80 vol % and exhibits one or more magnetic properties varying by less than 5% throughout the bonded magnet.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: January 21, 2025
    Assignees: UT-Battelle, LLC, University of Tennessee Research Foundation
    Inventors: Uday Kumar Vaidya, Mariappan Parans Paranthaman, Vlastimil Kunc, Ahmed A. Hassen