Patents Examined by Xiaobei Wang
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Patent number: 11966198Abstract: The present invention relates to a spiral spring for a balance wheel made of an alloy of niobium and titanium with an essentially single-phase structure, and the method of manufacture thereof which comprises: a step of producing a blank in a niobium-based alloy consisting of: niobium: balance to 100 wt %, titanium: between 40 and 49 wt %, traces of elements selected from the group consisting of O, H, C, Fe, Ta, N, Ni, Si, Cu, Al, between 0 and 1600 ppm by weight individually, and cumulatively less than 0.Type: GrantFiled: November 30, 2022Date of Patent: April 23, 2024Assignee: Nivarox-FAR S.A.Inventor: Christian Charbon
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Patent number: 11965249Abstract: A surface-treated metal material includes a metal sheet, a plating layer formed on the metal sheet and containing aluminum, magnesium, and zinc, and a composite coating formed on a surface of the plating layer, the composite coating including an organic silicon compound, one or two of a zirconium compound and a titanium compound, a phosphoric acid compound, a fluorine compound, and a vanadium compound, wherein, when a surface of the composite coating is analyzed at a spot size of ?30 ?m using micro-fluorescent X-rays, a maximum value of V/Zn, which is a mass ratio of a V content to a Zn content, is 0.010 to 0.100.Type: GrantFiled: March 19, 2020Date of Patent: April 23, 2024Assignee: NIPPON STEEL CORPORATIONInventors: Hiromasa Shoji, Kiyokazu Ishizuka, Kohei Tokuda, Mamoru Saito, Yasuto Goto, Ikumi Tokuda
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Patent number: 11959518Abstract: A technique capable of reducing the possibility of generation of a Cu—Sb compound in an overlay and the possibility of delamination between layers. A sliding member includes: an overlay including an alloy plating film of Bi and Sb; a lining including an Al alloy; a first intermediate layer including Cu as a main component, and laminated on the lining; and a second intermediate layer including Ag as a main component, and connecting the first intermediate layer and the overlay.Type: GrantFiled: September 19, 2019Date of Patent: April 16, 2024Assignee: TAIHO KOGYO CO., LTD.Inventor: Shigeyuki Suga
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Patent number: 11958139Abstract: A flux-cored wire for gas shielded arc welding may contain, based on total mass of the wire: Fe: 78 mass % or more; TiO2: 4 mass % to 13 mass %; Mn: 1.0 mass % to 2.4 mass %; Cr: 1.0 mass % to 3.0 mass %; Mo: 0.2 mass % to 1.2 mass %; Si: 0.1 mass % to 0.8 mass %; Mg: 0.1 mass % to 1.0 mass %; fluoride (F conversion value): 0.05 mass % to 0.25 mass %; C: 0.01 mass % to 0.10 mass %; V: 0.003 mass % to 0.020 mass %; Nb: 0.003 mass % to 0.020 mass %; and B: less than 100 ppm (including 0 ppm). The contents of Mn, C, and V based on total mass of the wire may satisfy a relationship of 28×Mn/(390×C+2370×V)?0.82.Type: GrantFiled: January 16, 2019Date of Patent: April 16, 2024Assignee: Kobe Steel, Ltd.Inventor: Yoshimasa Muranishi
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Patent number: 11955669Abstract: Fuel cell alloy bipolar plates. The alloys may be used as a coating or bulk material. The alloys and metallic glasses may be particularly suitable for proton-exchange membrane fuel cells because of they may exhibit reduced weights and/or better corrosion resistance. The alloys may include any of the following AlxCuyTiz, AlxFeyNiz, AlxMnyNiz, AlxNiyTiz, CuxFeyTiz, CuxNiyTiz, AlxFeySiz, AlxMnySiz, AlxNiySiz, NixSiyTiz, and CxFeySiz. The alloys or metallic glass may be doped with various dopants to improve glass forming ability, mechanical strength, ductility, electrical or thermal conductivities, hydrophobicity, and/or corrosion resistance.Type: GrantFiled: November 30, 2022Date of Patent: April 9, 2024Assignee: Robert Bosch GmbHInventors: Soo Kim, Jonathan Mailoa, Lei Cheng, Nathan Craig
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Patent number: 11938545Abstract: In accordance with one aspect of the presently disclosed inventive concepts, a metal aerogel includes a plurality of metal nanowires formed into a porous three-dimensional structure, where pores in the structure are anisotropic.Type: GrantFiled: June 22, 2018Date of Patent: March 26, 2024Assignee: LAWRENCE LIVERMORE NATIONAL SECURITY, LLCInventors: Fang Qian, Thomas Han, Marcus Worsley
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Patent number: 11926889Abstract: A copper alloy plate containing in a center part of a plate thickness direction more than 2.0% (% by mass) and 32.5% or less of Zn; 0.1% or more and 0.9% or less of Sn; 0.05% or more and less than 1.0% of Ni; 0.001% or more and less than 0.1% of Fe, and 0.005% or more and 0.1% or less of P; and the balance Cu, including a surface layer part in which a surface Zn concentration in a surface is 60% or less of a center Zn concentration in the center part, having a depth from the surface to where Zn concentration is 90% of the center Zn concentration; and in the surface layer, the Zn concentration increases from the surface toward the center part in the plate thickness direction at a concentration gradient of 10% by mass/?m or more and 1000% by mass/?m or less.Type: GrantFiled: August 5, 2020Date of Patent: March 12, 2024Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Kenji Morikawa, Naoki Miyashima, Kazunari Maki, Shinichi Funaki
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Patent number: 11923114Abstract: The disclosure refers to a NdFeB alloy powder for forming high-coercivity sintered NdFeB magnets. The NdFeB alloy powder includes NdFeB alloy core particles with a multi-layered coating, wherein the multi-layered coating comprises: a first metal layer directly disposed on the NdFeB alloy core particles, wherein the first metal layer consists of at least one of Tb and Dy; a second metal layer directly disposed on the first metal layer, wherein the second metal layer consists of at least one of W, Mo, Ti, Zr, and Nb; and a third metal layer directly disposed on the second metal layer, wherein the third metal layer consists of (i) at least one of Pr, Nd, La, and Ce; or (ii) a combination of one of the group consisting of Cu, Al, and Ga and at least one of the group consisting of Pr, Nd, La, and Ce.Type: GrantFiled: August 6, 2021Date of Patent: March 5, 2024Assignee: Yantai Shougang Magnetic Materials IncInventors: Kunkun Yang, Zhongjie Peng, Kaihong Ding
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Patent number: 11919634Abstract: The trailing edge structure of an aircraft wing is subjected, in use, to high temperature efflux from an aircraft's engines. Such elevated temperatures can detrimentally affect the ultimate tensile strength of the trailing edge. An aircraft wing component includes composite material having a first portion including a metal matrix containing reinforcing material, and a second portion including a metal matrix containing hollow metal ceramic spheres, the second portion being adjacent a surface of the composite material. The provision of two portions, one of which contains reinforcing material and the other comprising hollow spheres means that the composite material has both structural strength and heat shielding qualities where they are needed most in the component. The portion of composite containing the hollow metal ceramic spheres acts as an embedded layer of heat insulation.Type: GrantFiled: March 5, 2020Date of Patent: March 5, 2024Assignee: Airbus Operations LimitedInventor: William Tulloch
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Patent number: 11890831Abstract: A composite member excellent in corrosion resistance of a substrate and excellent in heat radiation property is provided. A composite member includes a substrate composed of a composite material containing magnesium or a magnesium alloy and SiC and a coating layer provided on a surface of the substrate. The coating layer includes an outermost layer provided as an outermost surface and an intermediate layer provided directly under the outermost layer. The outermost layer contains nickel and phosphorus. The intermediate layer is mainly composed of copper. The intermediate layer has a thickness not smaller than 30 ?m.Type: GrantFiled: March 5, 2020Date of Patent: February 6, 2024Assignees: Sumitomo Electric Industries, Ltd., A.L.M.T. Corp.Inventors: Kengo Goto, Tomoaki Ikeda, Akihisa Hosoe, Fukuto Ishikawa, Masanori Sugisawa
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Patent number: 11884996Abstract: Provided is an iron-based alloy sintered body having a tensile strength of 800 MPa or more, excellent machinability, a microstructure with an average Vickers hardness of 300 Hv or more and 900 Hv or less and a standard deviation of Vickers hardness of 200 Hv or less, and an average pore circularity of 0.30 or more.Type: GrantFiled: April 10, 2020Date of Patent: January 30, 2024Assignee: JFE STEEL CORPORATIONInventors: Nao Nasu, Takuya Takashita, Akio Kobayashi
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Patent number: 11873561Abstract: Provided is a hot-dip galvanized steel sheet used for an automobile outer panel and so forth and, more specifically, to a method for producing a hot-dip galvanized steel sheet having excellent press formability and clarity after painting, and to a hot-dip galvanized steel sheet produced by the method.Type: GrantFiled: December 13, 2017Date of Patent: January 16, 2024Assignee: POSCO CO., LTDInventors: Sun-Ho Jeon, Moon-Hi Hong, Jun-Seok Park, Doo-Chan Chang
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Patent number: 11865829Abstract: There is provided a functional element that includes a first substrate, a second substrate disposed to face the first substrate, and a buffer layer provided between the first substrate and the second substrate. The buffer layer has, in a layer thereof, a distribution of concentration of a metallic element. The distribution changes in a film thickness direction.Type: GrantFiled: December 26, 2018Date of Patent: January 9, 2024Assignees: SONY CORPORATION, TOHOKU UNIVERSITYInventors: Yoshihisa Sato, Gen Yonezawa, Shohei Abe, Yuichi Takahashi, Takehito Shimatsu, Miyuki Uomoto
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Patent number: 11866374Abstract: A flexible 3D printing feedstock material is disclosed. The flexible 3D printing feedstock material includes 45-80 vol % of a powder having at least one of a metal powder and a ceramic powder, 0-5 vol % of a compatibilizer, 10-35 vol % of a soluble flexibilizer, and 5-35 vol % of a non-soluble binder component. Methods of forming the flexible 3D printing feedstock material by melt mixing the components are disclosed. Methods of producing a 3D printed part by operating a fused deposition modeling 3D printer loaded with a filament formed of the 3D printing feedstock material are also disclosed.Type: GrantFiled: June 26, 2019Date of Patent: January 9, 2024Assignee: MARKFORGED, INC.Inventors: Joseph Roy-Mayhew, Zachary Farrell
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Patent number: 11866813Abstract: Provided is a spray coating that is disposed on an inner peripheral surface of a cylinder bore of a cylinder block made of aluminum or an aluminum alloy. The spray coating contains 0.005% to 0.14% by mass of carbon, 0.01% to 3.0% by mass of nickel 10% to 20.5% by mass of chromium, 0.05% to 1.5% by mass of silicon, and a balance containing iron and inevitable impurities. The spray coating has a composition that forms a martensite+ferrite (M+F) region in the Schaeffler diagram, and a composition in which a nickel equivalent (NiE) and a chromium equivalent (CrE) satisfy a relationship expressed by the following Formulae (1): NiE?0.95 CrE?8.59, (2): NiE?4.1, and (3): CrE?10. The spray coating has a two-phase structure formed of a martensite phase and a ferrite phase.Type: GrantFiled: March 23, 2021Date of Patent: January 9, 2024Assignee: NISSAN MOTOR CO., LTD.Inventors: Hayato Hirayama, Tsuyoshi Higuchi, Yoshito Utsumi, Hiroaki Hoshikawa
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Patent number: 11859273Abstract: The disclosure provides for a layered metal with resistance to hydrogen induced cracking and method of production thereof, comprising a core metal alloy and a skin metal alloy. The core metal alloy comprises twinned boundaries. The core metal alloy has undergone plastic deformation and a heat treatment. The core metal alloy comprises nickel and cobalt. The skin metal alloy is disposed on the core metal alloy, wherein the skin metal alloy comprises an entropy greater than the core metal alloy. The core metal alloy comprises a greater density of twinned boundaries than the skin metal alloy. The skin metal alloy comprises a stacking fault energy of at least about 50 mJ/m2, and the skin metal alloy comprises iron, aluminum, and boron.Type: GrantFiled: January 10, 2023Date of Patent: January 2, 2024Assignee: Halliburton Energy Services, Inc.Inventors: Shashwat Shukla, Arpana Singh, Michael Linley Fripp
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Metal magnetic powder and method for manufacturing same, as well as coil component and circuit board
Patent number: 11854724Abstract: A metal magnetic powder is constituted by metal magnetic grains that each include: a metal phase where the mass percentage of Fe at its center part is lower than that at its contour part; and an oxide film covering the metal phase so as to allow the magnetic body resistant to magnetic saturation and low in iron loss.Type: GrantFiled: July 8, 2021Date of Patent: December 26, 2023Assignee: TAIYO YUDEN CO., LTD.Inventors: Yoko Orimo, Tomoo Kashiwa -
Patent number: 11846008Abstract: The present invention relates to Nb-based refractory alloys that are less expensive and less dense than current Nb-based refractory alloys, have better ductility than current Nb-based refractory alloys, yet which have similar or better high temperature strengths and oxidation resistance when compared to current Nb-based refractory alloys. Such Nb-based refractory alloys typically continue to be compatible with current coating systems for Nb-based refractory alloys. Such Nb-based refractory alloys are disclosed herein.Type: GrantFiled: January 4, 2022Date of Patent: December 19, 2023Assignee: United States of America as represented by Secretary of the Air ForceInventors: Kevin J. Chaput, Oleg N. Senkov, Todd M. Butler, Satish I Rao
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Patent number: 11839936Abstract: To provide a sheet for sintering bonding and the same with a base material suited for lamination and integration and also suited for realizing satisfactory operational efficiency in a sintering process in a process of producing semiconductor devices that go through sintering bonding of semiconductor chips. A sheet for sintering bonding 10 of the present invention comprises an electrically conductive metal containing sinterable particle and a binder component. In this sheet, the minimum load, reached during an unloading process in load-displacement measurement according to a nanoindentation method, is ?100 to ?30 ?N. Alternatively, the ratio of the minimum load to a maximum load, reached during a load applying process in the above measurement, is ?0.2 to ?0.06. A sheet body X, a sheet for sintering bonding with a base material of the present invention, has a laminated structure comprising a base material B and the sheet 10.Type: GrantFiled: March 13, 2020Date of Patent: December 12, 2023Assignee: NITTO DENKO CORPORATIONInventors: Ryota Mita, Tomoaki Ichikawa
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Patent number: 11837393Abstract: Example nanoparticles may include an iron-based core, and a shell. The shell may include a non-magnetic, anti-ferromagnetic, or ferrimagnetic material. Example alloy compositions may include an iron-based grain, and a grain boundary. The grain boundary may include a non-magnetic, anti-ferromagnetic, or ferrimagnetic material. Example techniques for forming iron-based core-shell nanoparticles may include depositing a shell on an iron-based core. The depositing may include immersing the iron-based core in a salt composition for a predetermined period of time. The depositing may include milling the iron-based core with a salt composition for a predetermined period of time. Example techniques for treating a composition comprising core-shell nanoparticles may include nitriding the composition.Type: GrantFiled: September 30, 2021Date of Patent: December 5, 2023Assignee: Regents of the University of MinnesotaInventors: Jian-Ping Wang, Bin Ma, Jinming Liu, Yiming Wu, YanFeng Jiang