Patents Examined by Jessee R. Roe
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Patent number: 11976340Abstract: A refining vessel for high-temperature melt includes a refractory for gas blowing nozzle that includes a central refractory embedded with metal tubules, and an outer refractory circumferentially surrounding the central refractory. The refractory for gas blowing nozzle has a horizontal projection on which a minimum radius of an imaginary circle encompassing all the metal tubules embedded in the central refractory is R (mm), wherein the central refractory has an outline that falls between one circle that is concentric with the imaginary circle and has a radius of R+10 mm, and another circle that is concentric with the imaginary circle and has a radius of R+150 mm. The central refractory is formed of a MgO—C refractory having a carbon content of 30 to 80 mass %, and the outer refractory is formed of a MgO—C refractory having a carbon content of 10 to 25 mass %.Type: GrantFiled: March 24, 2020Date of Patent: May 7, 2024Assignee: JFE Steel CorporationInventors: Seiji Hosohara, Atsushi Torigoe, Ryoma Fujiyoshi
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Patent number: 11976367Abstract: A dual phase magnetic component, along with methods of its formation, is provided. The dual phase magnetic component may include an intermixed first region and second region formed from a single material, with the first region having a magnetic area and a diffused metal therein, and with the second region having a non-magnetic area. The second region generally has greater than 0.1 weight % of nitrogen.Type: GrantFiled: April 21, 2023Date of Patent: May 7, 2024Assignee: General Electric CompanyInventors: Shenyan Huang, Steve John Buresh, Min Zou, Wanming Zhang, Pazhayannur Ramanathan Subramanian, Deborah D. Whitis
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Patent number: 11965222Abstract: A method of producing a hot-rolled steel sheet and a method for producing a cold-rolled full hard steel sheet are provided. The methods comprising heating a steel slab having a composition containing, in terms of mass %, C: 0.010% or more and 0.150% or less, Si: 0.20% or less, Mn: 1.00% or less, P: 0.100% or less, S: 0.0500% or less, Al: 0.001% or more and 0.100% or less, N: 0.0100% or less, and the balance being Fe and unavoidable impurities, in which 0.002%?[% P]+[% S]?0.070% ([% M] denotes a content (mass %) of M element in steel) is satisfied.Type: GrantFiled: January 26, 2021Date of Patent: April 23, 2024Assignee: JFE Steel CorporationInventors: Hidekazu Minami, Yoshimasa Funakawa
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Patent number: 11952644Abstract: The invention relates to a remelting plant comprising a furnace chamber (50), which can be positioned over a crucible (60) of a melting station, an electrode rod (48), which by way of a lead-through (52) can be inserted or is inserted in the furnace chamber (50), in order to contact a consumable electrode (58), and a guide column (30), on which an electrode rod carriage (40) that is fixed-ly connected to the electrode rod (48) is guided in an axially movable manner, in order to move the electrode rod (48) in relation to the furnace chamber (50), and on which a chamber carriage (38), which is connected or can be connected to the furnace chamber (50), is guided in an axially movable manner, in order to move the furnace chamber (50).Type: GrantFiled: February 6, 2019Date of Patent: April 9, 2024Assignee: ALD VACUUM TECHNOLOGIES GMBHInventors: Ivaylo Popov, Ulrich Biebricher
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Patent number: 11952668Abstract: The present invention provides a method for obtaining a carburized part using steel high in content of Cr and realizing bending fatigue strength at an extremely high level by vacuum carburizing. The carburized part is obtained by treating a steel material having a predetermined chemical composition by vacuum carburizing provided with a carburizing period of 10 to 200 minutes at 850 to 1100° C. and a diffusion period of 15 to 300 minutes at 850 to 1100° C., then quenching and tempering it.Type: GrantFiled: March 29, 2019Date of Patent: April 9, 2024Assignee: NIPPON STEEL CORPORATIONInventors: Miyuri Umehara, Shingo Yamasaki
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Patent number: 11946698Abstract: A metal melting furnace including a stirring device as includes: a furnace body defining a chamber for accommodating molten metal; the stirring device including a stirring disc and a drive device, the stirring disc including a disc body, a feedstock holding portion, and a feedstock inlet via which feedstock is replenished to the feedstock holding portion, a stirring rod being connected on the disc body, a plurality of vertically through openings being provided on the disc body and/or on the feedstock holding portion, the drive device being in drive connection to the stirring rod, the drive device being configured to drive the stirring rod to lift such that the stirring disc is immersed in or lifted out of the molten metal in the chamber, the feedstock holding portion being configured to hold the feedstock on the stirring disc such that the feedstock move together with the stirring disc.Type: GrantFiled: September 5, 2023Date of Patent: April 2, 2024Assignee: ZHEJIANG HAILIANG CO., LTD.Inventors: Huanfeng Feng, Gangfeng Sun, Yunlong Wang
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Patent number: 11939646Abstract: Disclosed herein are embodiments of nickel-based alloys. The nickel-based alloys can be used as feedstock for PTA and laser cladding hardfacing processes, and can be manufactured into cored wires used to form hardfacing layers. The nickel-based alloys can have high corrosion resistance and large numbers of hard phases such as isolated hypereutectic hard phases.Type: GrantFiled: October 25, 2019Date of Patent: March 26, 2024Assignee: OERLIKON METCO (US) INC.Inventors: James Vecchio, Justin Lee Cheney, Jonathon Bracci, Petr Fiala
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Patent number: 11931807Abstract: An ejector for a printing system is disclosed. The ejector body may include an internal cavity, a nozzle in communication with the internal cavity, one or more segmented solenoid coils wrapped at least partially around the ejector body, and a piston disposed within the internal cavity of the ejector body. A method of ejecting liquid from an ejector is also disclosed, including introducing a material for ejection into an ejector cavity. The method of ejecting liquid from an ejector may include advancing a piston configured for translational motion within an ejector towards an ejector nozzle which may further include de-energizing a first segment of a segmented solenoid wrapped partially around the ejector, energizing a second solenoid segment of a segmented solenoid wrapped partially around the ejector. The method of ejecting liquid from an ejector may also include ejecting a drop of the material for ejection from the ejector nozzle.Type: GrantFiled: May 3, 2021Date of Patent: March 19, 2024Assignee: XEROX CORPORATIONInventor: Scott E. Solberg
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Patent number: 11931809Abstract: An apparatus for the production of nanoparticles is provided. The apparatus includes a main tube that is closed at a bottom, an inlet channel arranged within the main tube and includes a first opening to the outside of the apparatus and a second opening to the main tube, and a main opening in the main tube. The main tube includes a sample position at the bottom, the cross section of the main tube at the sample position is smaller than at other positions of the main tube, and the second opening of the inlet channel is arranged closer to the sample position than the main opening. Furthermore, an arrangement for the production of nanoparticles and a method for producing nanoparticles are provided.Type: GrantFiled: March 24, 2020Date of Patent: March 19, 2024Assignee: Catalytic Instruments GmbH & Co. KGInventors: Adam Meyer Boies, Jacob John Swanson, Hans-Joachim Schulz
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Patent number: 11925987Abstract: A metal powder manufacturing device includes: an atomization tank; a crucible in which a molten metal is stored; a molten metal nozzle that allows the molten metal stored in the crucible to flow downward into the atomization tank; and a fluid spraying nozzle including a plurality of spraying holes that spray a fluid to an atomization tank side end part of the molten metal nozzle to pulverize a molten metal flow flowing downward from the molten metal nozzle. The molten metal nozzle includes a molten metal nozzle body and an orifice part having an inside diameter equal to or smaller than an inside diameter of the molten metal nozzle body, and a material of the orifice part is harder than a material of the molten metal nozzle body.Type: GrantFiled: February 8, 2019Date of Patent: March 12, 2024Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Takashi Shibayama, Shinya Imano, Shigenobu Eguchi
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Patent number: 11920221Abstract: An aluminum alloy sheet has a composition comprising 0.5% or less by mass of Si, 0.7% or less by mass of Fe, 0.3% or less by mass of Cu, 0.4 to 1.5% by mass of Mn, 0.7 to 1.5% by mass of Mg and an balance comprising Al and inevitable impurities. A degree of integration in the Goss orientation is 1.5 or more. A degree of integration in the Cu orientation is 6.2 or less. A tensile strength is 200 to 310 MPa. An areal ratio of an ?-Al—Fe—Mn—Si based intermetallic compound with an equivalent circle diameter of 0.5 ?m or more is preferably 2.6% or more.Type: GrantFiled: August 28, 2019Date of Patent: March 5, 2024Assignee: UACJ CorporationInventors: Tomoyuki Kudo, Ryohei Kobayashi
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Patent number: 11913093Abstract: High gamma prime nickel based welding materials comprising (all in wt. %) from 13.0 to 14.0% Cr, from 30.0 to 32.0% Co, from 0.7 to 0.9% Mo, from 7.0 to 8.0% W, from 0.5 to 6.0% Ta, from 3.8 to 5.5 Al %, up to 0.12% Ti, up to 0.02 Zr %, from 0.4 to 0.8% Hf, up to 0.02% B, from 0.05 to 0.3% C, up to 0.015% Y, up to 0.015% V, from 1.0 to 2.0% Re, and nickel to balance for repair of turbine engine components and other articles manufactured from single crystal materials and other superalloys by manual and automatic gas tungsten arc, plasma arc, laser, and electron beam welding as well as for 3D additive manufacturing.Type: GrantFiled: July 11, 2022Date of Patent: February 27, 2024Inventors: Alexander B. Goncharov, Paul Lowden
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Patent number: 11905602Abstract: A method for reinforcing a steel component, having a carbonitriding step providing a first substep of case-hardening, and a second substep of nitriding, the first and second substeps of case-hardening and of nitriding of the step of carbonitriding the component are performed in one and the same heat treatment cycle.Type: GrantFiled: February 7, 2023Date of Patent: February 20, 2024Assignee: SKF AEROSPACE FRANCE S.A.SInventors: Jean-Baptiste Coudert, Alexandre Mondelin
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Patent number: 11905585Abstract: A novel medium heavy alloy (MHA) a composition designed and processed such that the MHA has properties comprising a tensile strength of about 1527 MPa, a proof strength of about 1337 MPa, and an impact toughness of about 180 J, when the MHA is forged, and the tensile strength of about 1746 MPa, the proof strength of about 1571 MPa, and the impact toughness of about 55 J, when the MHA is agedly treated. The superior strength-toughness is attributed to the face-centered cubic matrix and/or the nano-sized secondary phases. The superior dynamic performance is attributed to the widening of adiabatic shear bands.Type: GrantFiled: May 4, 2020Date of Patent: February 20, 2024Assignee: NORTHWESTERN UNIVERSITYInventors: Xiaobing Hu, Shaozun Liu, Chunxu Wang, Yong Li, Vinayak P. Dravid
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Patent number: 11898798Abstract: Described herein are photonic furnaces and methods of using the same to produce metal products from a precursor material.Type: GrantFiled: March 1, 2023Date of Patent: February 13, 2024Assignee: LIMELIGHT STEEL INC.Inventors: Olivia Faye Dippo, Andrew Zigang Zhao
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Patent number: 11898228Abstract: A nickel-cobalt based superalloy composition consisting of by weight (wt.): 33.5 to 54 percent Ni; 19.5 to 36 percent Co; 9 to 12 percent Cr; 3.9 to 5.5 percent Al; 4.5 to 9.5 percent W; up to 5.5 percent Fe; 2 to 3.5 percent Mo; 0.6 to 5 percent Ta; 0.15 to 2.2 percent Ti; up to 1.75 percent Nb; up to 0.1 percent Hf; 0.005 to 0.03 percent C; 0.001 to 0.02 percent B; 0.005 to 0.06 percent Zr; up to 0.3 percent Si; up to 0.6 percent Mn; and the balance being impurities.Type: GrantFiled: August 16, 2021Date of Patent: February 13, 2024Assignee: ROLLS-ROYCE PLCInventors: Mark C Hardy, David Dye, Lucy Reynolds, Thomas McAuliffe, Ioannis Bantounas
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Patent number: 11899277Abstract: A flexure including a bipod strut pair extending from a base and a titanium-zirconium-niobium alloy, which includes 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° Celsius (° C.).Type: GrantFiled: March 16, 2023Date of Patent: February 13, 2024Assignee: RAYTHEON COMPANYInventors: Sunder S. Rajan, Nicholas J. LoVullo, Keith Carrigan, Mary K. Herndon
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Patent number: 11890673Abstract: A dross extraction system for a printer is disclosed, which includes an ejector defining an inner cavity associated therewith, the inner cavity retaining a liquid printing material. The dross extraction system also includes a first inlet coupled to the inner cavity of the ejector, a probe external to the ejector, which is selectably positionable to contact the liquid printing material to attract dross thereto, thereby extracting dross from the liquid printing material when the probe is withdrawn from the liquid printing material. A method of extracting dross from a metal jetting printer is also disclosed, which includes pausing an operation of the metal jetting printer, advancing a probe into a melt pool within a nozzle pump reservoir in the metal jetting printer, extracting dross from the metal printing material and onto the probe, retracting the probe from the nozzle pump reservoir, and resuming the operation of the metal jetting printer.Type: GrantFiled: July 13, 2021Date of Patent: February 6, 2024Assignee: ADDITIVE TECHNOLOGIES, LLCInventors: Linn C. Hoover, Joseph C. Sheflin, Jason M. LeFevre, Seemit Praharaj, David Alan Vankouwenberg, Chu-Heng Liu, Douglas K. Herrmann
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Patent number: 11883880Abstract: The present invention provides an alloy, an alloy powder, an alloy member, and a composite member which are excellent in corrosion resistance and wear resistance, have crack resistance, and are suitable for an additive manufacturing method and the like. An alloy and an alloy powder include, by mass %, Cr: 18 to 22%, Mo: 18 to 28%, Ta: 1.5 to 57%, C: 1.0 to 2.5%, Nb: 0 to 42%, Ti: 0 to 15%, V: 0 to 27%, Zr: 0 to 29%, and a remainder consisting of Ni and unavoidable impurities, where a molar ratio of (Ta+0.7Nb+Ti+0.6V+Zr)/C=0.5 to 1.5 is satisfied. An alloy member is an additively manufactured product or a cast having such a solidification structure, and the solidification structure is a dendrite-like crystal structure having a metal phase having a face-centered cubic structure and carbides.Type: GrantFiled: March 31, 2021Date of Patent: January 30, 2024Assignee: PROTERIAL, LTD.Inventors: Hiroshi Shiratori, Kazuya Shinagawa, Kousuke Kuwabara, Shuho Koseki
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Patent number: 11885027Abstract: A method for treating a workpiece made of self-passivating metal and having a Beilby layer including applying a coating to a surface of the workpiece, the coating including a reagent, treating the coating to thermally alter the reagent, wherein the thermal altering of the reagent activates and/or hardens the surface.Type: GrantFiled: April 28, 2021Date of Patent: January 30, 2024Assignee: SWAGELOK COMPANYInventors: Christina Semkow, Cyprian Adair William Illing, Peter C. Williams, Wayne Ostrosky