Patents Examined by Christopher S Kessler
  • Patent number: 11898223
    Abstract: The present invention relates to the composition and production of an engineered degradable metal matrix composite that is useful in constructing temporary systems requiring wear resistance, high hardness, and/or high resistance to deformation in water-bearing applications such as, but not limited to, oil and gas completion operations.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: February 13, 2024
    Assignee: Terves, LLC
    Inventors: Andrew J. Sherman, Nicholas Farkas, David Wolf
  • Patent number: 11898224
    Abstract: The present invention provides a high thermal conductivity aluminum alloy, which comprises the following components in percentage by weight: Al: 80%-90%; Si: 6.5%-8.5%; Fe: 0.2%-0.5%; Zn: 0.8%-3%; V: 0.03%-0.05%; Sr: 0.01%-1%; graphene: 0.02%-0.08%. In the high thermal conductivity aluminum alloy of the present invention, alloying elements including Si, Fe, and Zn are optimized; Sr, V, graphene, among others are added. The amount of each component is controlled so that they coordinate to ALLOW high thermal conductivity, good casting performance and excellent semi-solid die-casting property. Graphene is introduced to the high thermal conductivity aluminum alloy of the present invention to exploit the good thermal conductivity of graphene, allowing the formation of a high thermal conductivity aluminium alloy.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: February 13, 2024
    Assignee: ZHUHAI RUNXINGTAI ELECTRICAL CO., LTD
    Inventors: Huaide Ren, Jicheng Wang, Gunan Li, Jie Tan, Ying Zhang, Mingfeng Wang
  • Patent number: 11890682
    Abstract: A method for connecting or joining a first substrate and a second substrate across an interface between the first substrate and the second substrate. The method includes disposing a fastener precursor in the bore and sintering the fastener precursor in the bore. The fastener precursor densifies and shrinks in at least one dimension to mechanically interlock with a contour in the bore and form a mechanical fastener in the bore, and the mechanical fastener forms an interlock between the first substrate and the second substrate.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: February 6, 2024
    Assignee: Rolls-Royce Corporation
    Inventors: Quinlan Yee Shuck, Scott Nelson, Raymond Ruiwen Xu
  • Patent number: 11890675
    Abstract: An arrangement for adjusting a powder flow in relation to the central longitudinal axis of an energy beam for a working head which is formed for powder application welding. There is a device for the two-dimensional or three-dimensional alignment of the powder supply in relation to the central longitudinal axis of the energy beam in a plane oriented at right angles to the central longitudinal axis of the energy beam. From one side, a linear beam is directed to the region in which the particles of the powdery material meet one another. At right angles thereto, there is arranged an optical detector array for locally resolved detection of intensities connected to an electronic evaluation unit designed to determine the shape, size and/or length of an irradiated region in which locally resolved intensities which exceed a predefinable threshold have been detected with the optical detector array.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: February 6, 2024
    Assignees: FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V., TECHNISCHE UNIVERSITAET DRESDEN
    Inventors: Mirko Riede, Frank Brueckner, Rico Hemschik, Robin Willner
  • Patent number: 11891338
    Abstract: A process for manufacturing ceramic-metal composite material, comprises dissolving ceramic powder into water to obtain an aqueous solution of ceramic; mixing metal powder having a multimodal particle size where largest particle size is one fourth of the minimum dimension of a device, with the aqueous solution of ceramic to obtain a powder containing ceramic precipitated on the surface of metal particles; mixing the powder containing ceramic precipitated on the surface of the metal particles, with ceramic powder having a particle size below 50 ?m, to obtain a powder mixture; adding saturated aqueous solution of ceramic to the powder mixture to obtain an aqueous composition containing ceramic and metal; compressing the aqueous composition to form a disc of ceramic-metal composite material containing ceramic and metal; and removing water from the ceramic-metal composite material; wherein ceramic content of the disc is 10 vol-% to 35 vol-%. Alternatively, ceramic-ceramic composite material may be manufactured.
    Type: Grant
    Filed: February 23, 2023
    Date of Patent: February 6, 2024
    Assignee: Oulun yliopisto
    Inventors: Jari Hannu, Jari Juuti, Heli Jantunen, Mikko Nelo, Tuomo Siponkoski, Hanna Kähäri
  • Patent number: 11890818
    Abstract: An apparatus for dispensing build powder and support powder, in a sequence of layers, and having a frame and a container. Also, a build powder pourer is at least partially filled with build powder and a support powder pourer at least partially filled with support powder, each of the pourers having a dispensing opening and a dispensing plug, controllably covering the dispensing opening. Further, a pourer-movement and dispensing plug-actuating assembly is supported by the frame over the container and includes a movement element that is selectively attachable to the build powder pourer and alternately to the support powder pourer and also capable to controllably move an attached pourer in three orthogonal dimensions and to control the dispensing plug. In addition, at least one docking station for holding a first one of the pourers; and a computing assembly controls the pourer-movement and dispensing plug-actuating assembly to create a target shape.
    Type: Grant
    Filed: April 29, 2023
    Date of Patent: February 6, 2024
    Inventor: Sergey Singov
  • Patent number: 11884997
    Abstract: A hot rolled plate or forging of an austenitic steel not susceptible to relaxation cracking is provided. The hot rolled plate or austenitic steel includes a composition having in percentages by weight: 0.019%?C?0.030%, 0.5%?Mn?2%, 0.1%?Si?0.75%, Al?0.25%, 18%?Cr?25%, 14%?Ni?17%, 1.5%?Mo?3%, 0.001%?B?0.008%, 0.25%?V?0.35%, 0.23%?N?0.27%, the balance being iron and unavoidable impurities, Ni(eq.)?1.11 Cr(eq.)?8.24, Cr(eq)=Cr+Mo+1.5Si+5V+3Al+0.02, Ni(eq)=Ni+30C+x(N?0.045)+0.87; x=30 for N?0.2, x=22 for 0.2<N?0.25, x=20 for 0.25<N?0.35.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: January 30, 2024
    Assignee: ArcelorMittal
    Inventors: Bernard Bonnefois, Amelie Fanica, Lionel Coudreuse, Tassa Oriana, Johannes Cornelis Van Wortel
  • Patent number: 11884994
    Abstract: A synthetic titanium-corundum composite includes a titanium alloy and a coherently bonded corundum phase. The titanium alloy includes at least one elemental titanium solid solution and the atomic percentage of aluminum in the titanium alloy ranges from 0.5% to 24.5%.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: January 30, 2024
    Inventor: Scott Richard Holloway
  • Patent number: 11865672
    Abstract: PDCs, methods of fabricating the PDCs, and methods of using the PDCs are disclosed herein. The PDCs include a PCD table bonded to a substrate. The PCD table includes an upper surface having a plurality of recessed features formed therein. The plurality of recessed features are configured to attract at least some cracks that form in the PCD table. As such, the plurality of recessed features limit or prevent crack propagation into other portions of the PCD table and limit a volume of the PCD table that spalls. Methods of fabricating the PDCs include partially leaching the PCD table and, after leaching the PCD table, forming the plurality of recessed features in the upper surface thereof. Method of using the PDCs include rotating a PDC that has spalled relative to a rotary drill bit such that a portion of the upper surface of the PDC that has not spalled forms a cutting surface thereof.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: January 9, 2024
    Assignee: US Synthetic Corporation
    Inventors: Daniel Call Mortensen, Lindsay Sue Patton, Trevor Allen Olsen, Casey Wade Swan, Shawn Casey Scott, Matthew Kimball Baker, Anne-Grethe Slotnaes, Kenneth E. Bertagnolli, Jiang Qian, Jason Lott, Joshua Adam Hawks
  • Patent number: 11866806
    Abstract: A corrosion-resistant nickel alloy, a preparation method thereof and, and a use thereof are provided. The alloy includes the following components in percentage by mass: 4.68-5.35% of B, 5.69-6.41% of W, 27.68-28.39% of Cr, 12.65-13.42% of Al, and the balance of Ni and inevitable impurities. The alloy disclosed by the present invention is a Ni—W—B ternary alloy with main components of Ni, W and B, wherein the three elements have strong high-temperature corrosion resistance at a temperature of about 600° C., and have the potential of solid solution hardening and precipitate formation because all belong to solid solution forming elements, so that a creep strength of a nickel alloy matrix is improved. Meanwhile, Al and Cr are further added in the alloy formula, so that Al2O3 and Cr2O3 oxide layers can be formed, which play a role as a physical diffusion barrier against chlorine gas and other corrosive gases.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: January 9, 2024
    Assignee: TIANJIN UNIVERSITY
    Inventors: Wenchao Ma, Sixuan Zeng, Terrence Wenga
  • Patent number: 11865620
    Abstract: An additive manufacturing system, comprises an energy source device for providing a first energy beam and a second energy beam; and a forging device comprising a forging head. The first energy beam and a substrate are configured to move relative to each other to fuse at least a portion of a material added to the surface of the substrate for forming a cladding layer on the substrate. The forging head is configured to forge the cladding layer during formation of the cladding layer. The second energy beam is configured to heat a forging area of the cladding layer.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: January 9, 2024
    Assignee: General Electric Company
    Inventors: Dalong Zhong, Yingna Wu, Zirong Zhai, Yong Wu, Hai Chang, Bin Wei, Lyle Timothy Rasch
  • Patent number: 11859271
    Abstract: An example composition may include a plurality of grains including an iron nitride phase. The plurality of grains may have an average grain size between about 10 nm and about 200 nm. An example technique may include treating a composition including a plurality of grains including an iron-based phase to adjust an average grain size of the plurality of grains to between about 20 nm and about 100 nm. The example technique may include nitriding the plurality of grains to form or grow an iron nitride phase.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: January 2, 2024
    Assignee: Regents of the University of Minnesota
    Inventors: Jian-Ping Wang, YanFeng Jiang, Md Mehedi, Yiming Wu, Bin Ma, Jinming Liu, Delin Zhang
  • Patent number: 11840747
    Abstract: An aluminum alloy material includes 1.2 wt % to 3.0 wt % of Si, 0.1 wt % to 0.8 wt % of Mg, 0.2 wt % to 2.0 wt % of Cu, 0.5 wt % to 2.5 wt % of Zn, 0.2 wt % to 2.0 wt % of Ti, and the remainder being Al and inevitable impurities. The powder of the aluminum alloy material can be processed to form an aluminum alloy object. The aluminum alloy object may further include an anodized film on its surface.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: December 12, 2023
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yu-Hsien Chou, Chi-San Chen, Heng-Yi Tsai
  • Patent number: 11820048
    Abstract: The purpose of the present invention is to provide a mold having both good adhesion resistance and smoothness, and a production method therefor. Provided is a mold made of a composite material comprising hard phases and metal phases characterized in that the mold has a reinforced layer made of hard phases for a working surface and the working surface satisfies the arithmetic average roughness Ra?0.1 ?m and skewness Rsk??0.01. Also provided is a production method for a mold made of a composite material comprising hard phases and metal phases characterized in having: a shaping step for working the surface of the mold made of said composite material and adjusting to Ra?0.1 ?m; and after the shaping step, a surface layer-modifying step for etching the surface of the mold adjusted to Ra?0.1 ?m and removing the metal phases near the surface.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: November 21, 2023
    Assignee: Proterial, Ltd.
    Inventors: Daiki Shinno, Shuho Koseki
  • Patent number: 11814719
    Abstract: A deposition mask in which deformation of long sides is restrained is manufactured. A manufacturing method of a deposition mask includes a step of preparing a metal plate; a processing step of processing the metal plate into an intermediate product comprising: a plurality of deposition mask portions each including a pair of long sides and a pair of short sides, and having a plurality of through-holes formed therein; and a support portion that surrounds the plurality of deposition mask portions, and is partially connected to the short sides of the plurality of deposition mask portions; and a separation step of separating the deposition mask portions from the support portion to obtain the deposition mask. In the intermediate product, the long sides of the deposition mask portions are not connected to the support portion.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: November 14, 2023
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Chikao Ikenaga, Takanori Maruoka, Sachiyo Matsuura
  • Patent number: 11807927
    Abstract: Provided is a complex copper alloy including a high-entropy alloy and a method of manufacturing the same. The complex copper alloy includes a metal matrix including copper or a copper alloy and a high-entropy alloy (HEA) existing in a crystal grain of the metal matrix. A method of manufacturing the complex copper alloy is a method of manufacturing a complex copper alloy, which includes a metal matrix including copper or a copper alloy, and a high-entropy alloy (HEA) existing in a crystal grain of the metal matrix. The method includes preparing a raw material of the metal matrix and raw material of the high-entropy alloy and melting and alloying the raw material of the metal matrix and the raw material of the high-entropy alloy.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: November 7, 2023
    Assignee: WONJINMETAL CO., LTD.
    Inventors: Eunsoo Park, Kooknoh Yoon, Jiyoung Kim, Jeongwon Yeh
  • Patent number: 11807926
    Abstract: [Object] To improve both abrasion resistance and seizure resistance. [Solution] A copper alloy sliding material is configured, which contains 0.5 to 12.0 mass % of Sn, 2.0 to 8.0 mass % of Bi, and 1.0 to 5.0 vol % of an inorganic compound, the balance being Cu and inevitable impurities, wherein the inorganic compound includes a first inorganic compound having an average particle size of 0.5 to 3.0 ?m and a second inorganic compound having an average particle size of 4.0 to 20.0 ?m, and wherein a value obtained by dividing a volume fraction of the first inorganic compound by a volume fraction of the second inorganic compound is 0.1 to 1.0.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: November 7, 2023
    Assignee: TAIHO KOGYO CO., LTD.
    Inventor: Yuhei Ebata
  • Patent number: 11806789
    Abstract: Processes for producing copper granules on a surface of a reducing metal. The process can include contacting the reducing metal with an aqueous solution comprising a copper(II) salt and a halide. The molar ratio of the halide to the copper(II) in the copper (II) salt can be at least about 3:1. The granular copper can be produced on a surface of the reducing metal, and is optionally removed from the surface of the reducing metal by shaking, washing, and/or brushing, and/or optionally with stirring and/or circulating of the aqueous solution.
    Type: Grant
    Filed: July 11, 2022
    Date of Patent: November 7, 2023
    Assignee: Destiny Copper Inc.
    Inventors: Ian David Brindle, Molina Audrey Lorraine Sheepwash
  • Patent number: 11795528
    Abstract: Provided is an aluminum alloy material for die-casting that allows being manufactured at low-price and has a high strength property and a sufficient elongation property as an aluminum alloy, and a method for manufacturing the same. An aluminum alloy material for die-casting contains Si: 9.6 mass % to 12 mass %, Cu: 1.5 mass % to 3.5 mass %, Mg: more than 0.3 mass % to 1.6 mass %, Zn: 0.01 mass % to 3.5 mass %, Mn: 0.01 mass % to 0.7 mass %, Fe: 0.01 mass % to 1.3 mass %, and Al and inevitable impurities: balance when the aluminum alloy material for die-casting as a whole is 100 mass %, and a mass ratio of Fe to Mn (Fe/Mn) is 4.4 or less.
    Type: Grant
    Filed: September 29, 2022
    Date of Patent: October 24, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Kojiro Suzuki
  • Patent number: 11788174
    Abstract: The present invention provides a rare earth hard alloy and a preparation method and application thereof. The rare earth hard alloy includes 6 to 15 wt % of a binding phase and the balance of a hard phase, wherein the binding phase includes 30 to 50 wt % of Ni3Al, 0.1 to 0.5 wt % of a rare earth element and the balance of Ni. According to the rare earth hard alloy provided by the invention, the Ni—Ni3Al-rare earth element (e.g., Ni—Ni3Al—Y)-based binding phase is strengthened by Ni3Al, and an ordered strengthening phase is formed and is diffused and distributed in the binding phase, such that the rare earth hard alloy has a better high-temperature oxidation resistance, a better room-temperature fracture toughness and a better high-temperature bending strength than a conventional hard alloy.
    Type: Grant
    Filed: May 30, 2023
    Date of Patent: October 17, 2023
    Assignees: Central South University, JiangXi University of Science and Technology
    Inventors: Yong Du, Jian Lv, Keke Chang, Weibin Zhang, Ming Lou, Zepeng Li, Yangqing Lv