Patents Examined by Maxwell Xavier Duffy
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Patent number: 11959161Abstract: A copper-based alloy material including a multiphase structure containing a matrix of a ? phase and a precipitation phase of a B2-type crystal structure dispersed in the matrix, where the copper-based alloy material includes a composition containing 8.6 to 12.6% by mass of Al, 2.9 to 8.9% by mass of Mn, 3.2 to 10.0% by mass of Ni, and Cu.Type: GrantFiled: August 30, 2019Date of Patent: April 16, 2024Assignees: FURUKAWA TECHNO MATERIAL CO., LTD., TOHOKU UNIVERSITY, FURUKAWA ELECTRIC CO., LTD.Inventors: Sumio Kise, Fumiyoshi Yamashita, Misato Fujii, Koji Ishikawa, Ryosuke Kainuma, Toshihiro Omori, Nobuyasu Matsumoto
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Patent number: 11951539Abstract: A method for metal jetting is disclosed. The method for metal jetting includes introducing a first gas into an outer nozzle of an ejector nozzle from a first gas source introducing an additive to the first gas from a second source, combining the additive with the first gas. The method for metal jetting also includes ejecting a droplet of molten metal printing material from the ejector nozzle. The method for metal jetting includes allowing the additive to react with the droplet of molten metal printing material to form a modified molten metal printing material.Type: GrantFiled: August 31, 2021Date of Patent: April 9, 2024Assignee: ADDITIVE TECHNOLOGIES, LLCInventors: Mariusz Tadeusz Mika, Peter M. Gulvin
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Patent number: 11945503Abstract: A method for producing a welded blank (1) includes providing two precoated sheets (2), butt welding the precoated sheets (2) using a filler wire. The precoating (5) entirely covers at least one face (4) of each sheet (2) at the time of butt welding. The filler wire (20) has a carbon content between 0.01 wt. % and 0.45 wt. %. The composition of the filler wire (20) and the proportion of filler wire (20) added to the weld pool is chosen such that the weld joint (22) has (a) a quenching factor FTWJ: FTWJ?0.9FTBM?0, where FTBM is a quenching factor of the least hardenable substrate (3), and FTWJ and FTBM are determined: FT=128+1553×C+55×Mn+267×Si+49×Ni+5×Cr?79×Al?2×Ni2?1532×C2?5×Mn2?127×Si2?40×C×Ni?4×Ni×Mn, and (b) a carbon content CWJ<0.15 wt. % or, if CWJ?0.15 wt. %, a softening factor FAWJ such that FAWJ>5000, where FA=10291+4384.1×Mo+3676.9Si?522.64×Al?2221.2×Cr?118.11×Ni?1565.1×C?246.67×Mn.Type: GrantFiled: November 26, 2018Date of Patent: April 2, 2024Assignee: ARCELORMITTALInventors: Cristian Alvarez, Thierry Lizon, Maria Poirier
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Patent number: 11938539Abstract: A build unit for additively manufacturing three-dimensional objects may include an energy beam system having one or more irradiation devices respectively configured to direct one or more energy beams onto a region of a powder bed, and an inertization system including an irradiation chamber defining an irradiation plenum, one or more supply manifolds, and a return manifold. The one or more supply manifolds may include a downflow manifold configured to provide a downward flow of a process gas through at least a portion of the irradiation plenum defined by the irradiation chamber, and/or a crossflow manifold configured to provide a lateral flow of the process gas through at least a portion of the irradiation plenum defined by the irradiation chamber. The return manifold may evacuate or otherwise remove process gas from the irradiation plenum defined by the irradiation chamber.Type: GrantFiled: April 16, 2021Date of Patent: March 26, 2024Assignees: General Electric Company, Concept Laser GmbHInventors: Eric Edward Halla, Ramakrishna Venkata Mallina, Kishore Ramakrishnan, Shashwat Swami Jaiswal, Mohammed Mounir Shalaby, Peter Pontiller-Schymura
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Patent number: 11920230Abstract: Methods for processing an iron cobalt alloy, along with components formed therefrom, are provided. The method may include: pre-annealing a sheet of an iron cobalt alloy at a pre-anneal temperature (e.g., about 770° C. to about 805° C.); thereafter, cutting a component from the sheet; thereafter, heat-treat annealing the component at a treatment temperature (e.g., about 845° C. to about 870° C.) for a treatment period (e.g., about 1 minute to about 10 minutes); and thereafter, exposing the component to oxygen at an oxidizing temperature to form an insulation layer on a surface of the component.Type: GrantFiled: August 20, 2021Date of Patent: March 5, 2024Assignee: General Electric CompanyInventors: Fabian Isaza, Pablo Gabriel Piazza Galarza
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Patent number: 11919082Abstract: A method for manufacturing a turbine shroud segment with at least one undercut region. The method includes forming a removable insert including an external surface corresponding to at least a portion of a wall of the undercut region in the turbine shroud segment; placing the removable insert in a mold including a mold cavity corresponding to a shape of the turbine shroud segment; injecting a metal injection molding (MIM) feedstock into the mold cavity and around the removable insert to form a shroud green body with the at least one undercut region; and, sintering the shroud green body to form the shroud body.Type: GrantFiled: October 28, 2021Date of Patent: March 5, 2024Assignee: Rolls-Royce CorporationInventors: Timothy Paul Fuesting, Logan Kroneman
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Patent number: 11897193Abstract: An example of a build material slurry includes metallic particles having an individual particle size up to 20 ?m, from about 0.01 wt % up to 1 wt % of a water-soluble binder, based on a weight of the metallic particles, and water. The build material slurry is a ready-to-use three-dimensional (3D) printing build material.Type: GrantFiled: October 24, 2017Date of Patent: February 13, 2024Assignee: Hewlett-Packard Development Company, L.P.Inventors: Thomas Anthony, Lihua Zhao
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Patent number: 11873537Abstract: A method for producing a component may include one or more of the following: providing and/or producing a profiled structural part, the structural part including a predetermined profile along its length; heat treating the profiled structural part; and press hardening the profiled structural part in a press-hardening tool. The profiled structural part in the press-hardening tool may be cooled in an interior thereof by circulating air, where during cooling of the profiled structural part in the press-hardening tool, different material properties are specifically set in at least two regions of the profiled structural part.Type: GrantFiled: June 18, 2020Date of Patent: January 16, 2024Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Thomas Hoesl, Ulrich Schmid, Markus Wierer, Siegfried Georg Zehentbauer
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Patent number: 11851739Abstract: Provided are a high-strength magnesium alloy profile, a preparation process therefor and the use thereof, wherein same relate to the technical field of the formation of high-strength magnesium alloys. A strengthening phase of the high-strength magnesium alloy profile in an extrusion state mainly comprises LPSO phase and ? phase, wherein the volume fraction of LPSO phase is 1-40%; and the volume fraction of ? phase is 1-20%. A strengthening phase of the high-strength magnesium alloy profile in an aging state mainly comprises LPSO phase, ? phase, ?? phase and ?? phase, wherein the volume fraction of LPSO phase is 1-40%; the volume fraction of ? phase is 1-20%; the number density of ?? phase is 1015-1025 m?3, and the length to thickness ratio l/d thereof is 1:20; and the number density of ?? phase is 1014-1024 m?3 and the length to thickness ratio l/d thereof is 1:50.Type: GrantFiled: July 1, 2019Date of Patent: December 26, 2023Assignee: Chongqing UniversityInventors: Jingfeng Wang, Kui Wang, Shijie Liu, Xing Peng, Fusheng Pan
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Patent number: 11851727Abstract: The present invention relates to steel used for a sash component and the like of a vehicle and, more specifically, to a hot-rolled steel sheet for a high-strength electric resistance welded steel pipe having excellent expandability and a method for manufacturing same, the hot-rolled steel sheet having a smaller decrease in the strength of a welding heat-affected zone (HAZ) formed during electric resistance welding, in comparison with a base material.Type: GrantFiled: December 20, 2022Date of Patent: December 26, 2023Assignee: POSCO Co., Ltd.Inventors: Hyun-Taek Na, Seok-Jong Seo
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Patent number: 11802319Abstract: A double oriented electrical steel sheet includes: 2.0 to 6.0% of Si, 0.0005 to 0.04% of Al, 0.0001 to 0.003% of S, 0.02 to 1.0% of Mn, equal to or less than 0.003% of N, excluding 0%, equal to or less than 0.01% of C, excluding 0%, equal to or less than 0.01% of Ti excluding 0%, 0.005 to 0.10% of P as wt %, and a remainder including Fe and inevitable impurities. Such a double oriented electrical steel sheet satisfies Formula 1: [Mn]/[S]?60,??[Formula 1] where, [Mn] and [S] are contents (wt %) of Mn and S, respectively.Type: GrantFiled: December 17, 2018Date of Patent: October 31, 2023Assignee: POSCO CO., LTDInventors: Seil Lee, Sang-Woo Lee, Su-Yong Shin
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Patent number: 11773465Abstract: Disclosed herein is a light-gauge, ultra-high strength weathering steel sheet with a composition, material properties, and surface characteristics that make it suitable for hot-stamping applications and making hot-stamped products. Also disclosed herein is a high friction rolled carbon alloy steel strip free of prior austenite grain boundary depressions and having a smear pattern. Still further disclosed herein is a high friction rolled carbon alloy steel strip that has been surface homogenized to provide a thin cast steel strip free of a smear pattern.Type: GrantFiled: July 31, 2020Date of Patent: October 3, 2023Assignee: NUCOR CORPORATIONInventors: Kishlay Mishra, Paul Kelly, Tao Wang
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Patent number: 11759861Abstract: A build unit for additively manufacturing three-dimensional objects may include an energy beam system having one or more irradiation devices respectively configured to direct one or more energy beams onto a region of a powder bed, and an inertization system including an irradiation chamber defining an irradiation plenum, one or more supply manifolds, and a return manifold. The one or more supply manifolds may include a downflow manifold configured to provide a downward flow of a process gas through at least a portion of the irradiation plenum defined by the irradiation chamber, and/or a crossflow manifold configured to provide a lateral flow of the process gas through at least a portion of the irradiation plenum defined by the irradiation chamber. The return manifold may evacuate or otherwise remove process gas from the irradiation plenum defined by the irradiation chamber.Type: GrantFiled: April 16, 2021Date of Patent: September 19, 2023Assignees: General Electric Company, Concept Laser GmbHInventors: Eric Edward Halla, Ramakrishna Venkata Mallina, Kishore Ramakrishnan, Shashwat Swami Jaiswal, Mohammed Mounir Shalaby, Adam Garret Susong, Peter Pontiller-Schymura
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Patent number: 11756713Abstract: A grain-oriented magnetic steel sheet with chromium-free insulating tension coating includes a grain-oriented magnetic steel sheet and an insulating tension coating containing a phosphate salt and silica on a surface of the grain-oriented magnetic steel sheet, the coating further including a crystalline compound represented by the general formula (1): MII3MIII4(XVO4)6 . . . (1). A method for producing a grain-oriented magnetic steel sheet with chromium-free insulating tension coating includes applying an insulating tension coating liquid to a surface of a finish annealed grain-oriented magnetic steel sheet, the coating liquid including colloidal silica, a phosphate salt and a metal element M-containing compound in a specific ratio, and heat treating the steel sheet at least one time at a temperature of not less than 900° C. in an atmosphere including a non-oxidizing gas and having a dew point of not more than 0° C.Type: GrantFiled: September 8, 2017Date of Patent: September 12, 2023Assignee: JFE STEEL CORPORATIONInventors: Souichiro Yoshizaki, Makoto Watanabe, Ryuichi Suehiro
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Patent number: 11718887Abstract: Disclosed is a ferritic stainless hot-rolled annealed steel sheet with excellent impact properties of 6 mm or more in thickness and a manufacturing method thereof. A ferritic stainless steel with excellent impact toughness according to an embodiment of the present disclosure includes, in percent (%) by weight of the entire composition, C: more than 0 and 0.01% or less, Si: 0.8% or less, Mn: 0.5% or less, Cr: 10 to 14%, Ti: 0.01 to 0.45%, N: more than 0 and 0.015% or less, the remainder of iron (Fe) and other inevitable impurities, and an average misorientation between grains of microstructure is 0.6 to 1.1°.Type: GrantFiled: September 12, 2018Date of Patent: August 8, 2023Assignee: POSCO CO., LTDInventor: Jung Hyun Kong
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Patent number: 11703806Abstract: A method and device for manufacturing a bevelled stone, particularly for a timepiece are disclosed. A precursor is produced from a mixture of at least one material in powder form with a binder. The method includes pressing the precursor so as to form a green body, using a top die and a bottom die comprising a protruding rib, sintering the green body so as to form a body of the future stone in at least one material, the body including a peripheral face and a bottom face provided with a groove, and machining the body including a substep of planning the peripheral face up to the groove, such that an inner wall of the groove forms at least a flared part of the peripheral face of the stone.Type: GrantFiled: June 5, 2020Date of Patent: July 18, 2023Assignee: Comadur SAInventors: Bruno Besutti, Sebastien Retrouvey, Sebastien Midol
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Patent number: 11692243Abstract: Disclosed is a high-strength free-cutting leadless copper alloy with excellent machinability and corrosion-resistance. The free-cutting leadless copper alloy contains 58 to 70 wt % of copper (Cu), 0.5 to 2.0 wt % of tin (Sn), 0.1 to 2.0 wt % of silicon (Si), a balance amount of zinc (Zn), and inevitable impurities but does not contain lead.Type: GrantFiled: June 4, 2019Date of Patent: July 4, 2023Assignee: Poongsan CorporationInventors: Bo Min Jeon, Won Seok Jeong, Won Shin Kwak
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Patent number: 11649516Abstract: A method for manufacturing thin-specification high-Ti wear-resistant steel NM450 comprises the steps of preparing melted iron in a blast-furnace, preprocessing the melted iron, smelting the melted iron in a converter, refining the melted steel in a LF furnace, refining the melted steel in a RH furnace, conventional slab continuous casting, heating the slab in a heating furnace, dephosphorizing the slab by high-pressure water, heating the slab in a hot continuous rolling mill, performing ultra fast cooling, reeling, flattening, heating, quenching, tempering and finishing.Type: GrantFiled: December 11, 2017Date of Patent: May 16, 2023Assignee: SOUTH CHINA UNIVERSITY OF TECHNOLOGYInventors: Liejun Li, Feng Zhou, Jixiang Gao, Haibo Sun, Jietao Dai, Zhengwu Peng, Yanjun Lu
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Patent number: 11634784Abstract: Disclosed are a high-strength ultra-thick steel material and a method for manufacturing same. The high-strength ultra-thick steel material comprises in weight % 0.04-0.1% of C, 1.2-2.0% of Mn, 0.2-0.9% of Ni, 0.005-0.04% of Nb, 0.005-0.03% of Ti and 0.1-0.4% of Cu, 100 ppm or less of P and 40 ppm or less of S with a balance of Fe, and inevitable impurities, and comprises, in a subsurface area up to t/10 (t hereafter being referred to as the thickness of the steel material), polygonal ferrite of 50 area % or greater (including 100 area %) and bainite of 50 area % or less (including 0 area %) as microstructures.Type: GrantFiled: December 20, 2017Date of Patent: April 25, 2023Assignee: POSCO CO., LTDInventors: Hak-Cheol Lee, Sung-Ho Jang
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Patent number: 11597982Abstract: A process of producing a fine-grained austenitic stainless steel, the process comprising a step of subjecting a fine-grained austenitic stainless steel comprising: C: 0.15 wt % or less, Si: 1.00 wt % or less, Mn: 2.0 wt % or less, Ni: 6.0 to 14.0 wt %, Cr: 16.0 to 22.0 wt %, and Mo: 3.0 wt % or less, with the balance being Fe and inevitable impurities, and having an average grain size of 10 ?m or lower, to an annealing treatment at a temperature from 600° C. to 700° C. for 48 hours or longer.Type: GrantFiled: September 23, 2019Date of Patent: March 7, 2023Assignee: JAPAN ATOMIC ENERGY AGENCYInventors: Noriaki Hirota, Tomoaki Takeuchi, Hiroko Nakano, Atsushi Kikuchi