Patents Examined by Leo B. Tentoni
  • Patent number: 12291800
    Abstract: Provided is a melt-anisotropic aromatic polyester multifilament having excellent abrasion resistance. The melt-anisotropic aromatic polyester multifilament has a single fiber fineness from 10 to 80 dtex and comprises 3 to 10 wt % of a dimethylsilicone-series finishing agent applied on a fiber surface of the multifilament, based on the multifilament, the finishing agent containing a dimethylsilicone-series compound having a weight average molecular weight from 15000 to 40000.
    Type: Grant
    Filed: June 15, 2023
    Date of Patent: May 6, 2025
    Assignee: KURARAY CO., LTD.
    Inventors: Yuji Ogino, Takuji Nakamura, Kota Togii
  • Patent number: 12290987
    Abstract: Methods of additively manufacturing a three-dimensional object by one or more energy beams include selectively directing a first energy beam across a powder bed along a plurality of first hatching paths and a first contour path that defines a first outer contour portion and a first stitching portion, wherein the first outer contour portion at least partially defines a first edge portion of an outer edge of the three-dimensional object, and wherein the first edge portion is non-linear, and selectively directing a second energy beam across the powder bed along a plurality of second hatching paths and a second contour path that at least partially defines a second edge portion of the outer edge of the three-dimensional object, wherein the second edge portion is adjacent the first edge portion, and wherein the first stitching portion extends into the plurality of second hatching paths along a non-linear stitching path.
    Type: Grant
    Filed: February 21, 2023
    Date of Patent: May 6, 2025
    Assignees: Concept Laser GmbH, GE Additive Germany GmbH
    Inventors: Juergen Werner, Jan Michael Friese, Christian Wacker, Patrick Dueck, Kai Hertel, Benedikt Roidl, Dominic Graf, Florian Bechmann, Johannes Stroessner
  • Patent number: 12286577
    Abstract: A method for preparing a liquid crystal polymer film, comprising: (1) spinning a liquid crystal polymer into fibers, and maintaining the fibers for 0.1 hour to 36 hours at a temperature of 200° C. to 400° C. under a vacuum degree less than 500 Pa for later use; (2) weaving the fibers prepared in step (1) into cloth for later use; and (3) pressing the cloth prepared in step (2) into a film at a temperature of 200° C. to 400° C., and then stretching the film to obtain the liquid crystal polymer film. The liquid crystal polymer film prepared by the preparation method is good in mechanical property, and has a tensile strength that can exceed 170 MPa. The prepared liquid crystal polymer film is applied to a FPC, which makes the FPC have a dielectric constant less than 3, and a small dielectric loss tangent angle.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: April 29, 2025
    Assignee: JIANGMEN DEZHONGTAI ENGINEERING PLASTICS TECHNOLOGY CO., LTD.
    Inventors: Yonghua Liang, Liangwen Jin, Hongzhuan Zheng
  • Patent number: 12285888
    Abstract: A method of curing a part in a mold using induction heated tooling is provided. In preferred embodiments, the method comprises placing a material that may be cured with pressure and heat in tooling made from a non-metallic material wherein the tooling includes a mold cavity that forms the part. Creating an electro-magnetic field across the tooling using induction coils. Applying pressure to the tooling and heating a metallic material contained in channels formed in the tooling around the mold cavity of the part.
    Type: Grant
    Filed: January 11, 2023
    Date of Patent: April 29, 2025
    Assignee: MEGGITT AEROSPACE LIMITED
    Inventors: Ka Yan Law, Cameron Malcolm Graham Ross
  • Patent number: 12281414
    Abstract: An electrospinning apparatus and method for producing three-dimensional electrospun constructs is disclosed. Further, electrospinning apparatus and method 3D electrospun collagen based mineralized nanofibrous scaffold for alveolar ridge preservation prior to dental implant therapy are disclosed.
    Type: Grant
    Filed: June 23, 2022
    Date of Patent: April 22, 2025
    Assignee: The United States of America, as Represented by the Secretary of the Navy
    Inventors: Tony T Yuan, Kirstin Jones, Cortes Williams
  • Patent number: 12270135
    Abstract: One or more aspects of the disclosure provides a nonwoven fabric comprising a single layer in which the single fabric layer comprises a plurality of different fibers in which each fiber type has desired functionality. In one aspect, a system for preparing a nonwoven fabric having a single fabric layer in which the single fabric layer comprises a plurality of different fiber types, is provided. The system includes a spin beam having a zoned distribution plate disposed upstream of a spinneret, the zoned distribution plate includes a plurality of distribution apertures arranged in zones, wherein each zone is configured and arranged to extrude a plurality of polymer streams that are of a different polymer type than polymer streams extruded by an adjacent zone to the spinneret to form a single layer having two or more types of fibers that are of a different type from each other.
    Type: Grant
    Filed: January 5, 2024
    Date of Patent: April 8, 2025
    Assignee: Fitesa Simpsonville, Inc.
    Inventors: Marc Newman, Fabio Baldissera, Rene Ruschel, Yu Xin
  • Patent number: 12263635
    Abstract: Embodiments of the present disclosure provides methods and systems for preparing a cathode component. The method may include obtaining a three-dimensional (3D) model of the cathode component; obtaining a predetermined parameter, wherein the predetermined parameter includes at least one of a scanning direction of laser, an energy distribution of laser, an output power of laser, or a scanning speed of laser; and controlling a 3D printer to perform, based on the 3D model and the predetermined parameter, a laser scanning on a raw material to obtain the cathode component.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: April 1, 2025
    Assignee: WUHAN UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Sang Liu, Guang Yang, Xi Zhang
  • Patent number: 12264418
    Abstract: Provided are a method for producing a drawn conjugated fiber, capable of producing a conjugated fiber having a high strength and a thin fineness, and a drawn conjugated fiber. A drawn conjugated fiber is produced by performing a spinning step of obtaining an undrawn fiber having a core-sheath structure in which a core material is a resin containing, as a main component, a crystalline propylene polymer and a sheath material is a resin containing, as a main component, an olefin polymer having a melting point lower than that of the core material, by means of melt-spinning (step S1); and a drawing step of drawing the undrawn fiber (step S2).
    Type: Grant
    Filed: September 2, 2022
    Date of Patent: April 1, 2025
    Assignee: UBE EXSYMO CO., LTD.
    Inventors: Hirohumi Yashiro, Kouki Endou, Tatsunori Tsukahara
  • Patent number: 12263537
    Abstract: A control device for controlling an annealing apparatus that performs laser annealing by causing a laser beam to be incident on a surface of a semiconductor wafer and moving a beam spot of the laser beam on the surface of the semiconductor wafer, the control device making a sweep speed of the beam spot of the laser beam faster than twice a value obtained by dividing a thermal diffusivity of the semiconductor wafer by a thickness of the semiconductor wafer.
    Type: Grant
    Filed: December 16, 2022
    Date of Patent: April 1, 2025
    Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventors: Yasuhiro Okada, Masafumi Yorozu
  • Patent number: 12264413
    Abstract: A system and method for providing a plurality of fibers from a spinneret; subjecting the fibers to quench air; attenuating the fibers through a closed stretching unit; reducing a velocity of the plurality of fibers in a diffuser that is spaced apart from an exit of the closed stretching unit in a direction of travel of the fibers, the diffuser having opposed diverging sidewalls; and subjecting the fibers to an applied electrostatic charge before the fibers enter the diffuser, wherein the electrostatic charge is applied by one or more electrostatic charging units.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: April 1, 2025
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Bryan D. Haynes, Eric E. Lennon
  • Patent number: 12263317
    Abstract: To provide a guide wire shaping mold that reduces damage to a blood vessel by folding back a tip end of the guide wire and do not require heating treatment, and a guide wire shaping method using the guide wire shaping mold. A guide wire shaping mold configured to shaping by reducing an annular diameter of the guide wire in which a tip end is annularly arranged, the guide wire shaping mold includes a wire shaping portion configured such that an annular portion of the guide wire is arranged, and a wire drawing path formed in a passage way shape, communicating with the wire shaping portion, and configured to retract the guide wire in a linear direction and in a base end direction.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: April 1, 2025
    Assignees: ST. MARIANNA UNIVERSITY SCHOOL OF MEDICINE, OZK CO., LTD., SHINWA SYOJI CO., LTD.
    Inventors: Yuki Ishibashi, Yoshihiro Akashi, Haruhiko Yamasaki, Katsunori Mitsuhashi, Yoshiro Morishita
  • Patent number: 12258684
    Abstract: Processes for making fibrous structures and more particularly processes for making fibrous structures comprising filaments are provided.
    Type: Grant
    Filed: April 26, 2022
    Date of Patent: March 25, 2025
    Assignee: The Procter & Gamble Company
    Inventors: Steven Lee Barnholtz, Paul Dennis Trokhan, Michael Donald Suer, Douglas Jay Barkey, Jonathan Paul Brennan, Ronald Thomas Gorley
  • Patent number: 12257141
    Abstract: The present invention provides a preparation method preparation method for three-layer artificial blood vessel and application thereof. The three-layer artificial blood vessel comprise three layers, electrospinning inner layer, dense middle layer and electrospinning outer layer, the three-layer structure is closely combined and difficult to separate. The inner layer with a cytoskeleton-like structure can promote the formation of intima; the dense middle layer can effectively prevent the leakage of biomacromolecules and increase the puncture resistance of the whole artificial blood vessel; and the outer layer can promote the growth of tissue cells and better integrate with tissue. The three-layer artificial blood vessel provided by the invention has excellent blood compatibility, good flexibility, good puncture resistance and interlayer peeling resistance. The preparation method is convenient and is suitable for industrial scale production.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: March 25, 2025
    Assignee: WUHAN YOUNGSEN BIOTECH CO., LTD.
    Inventors: Chenxi Ouyang, Jiarong Li, Chenhong Wang, Sishi Liu, Jianpeng Liu
  • Patent number: 12257771
    Abstract: Provided are a three-dimensional object additive manufacturing method and device, a storage medium and computer apparatus, where the method includes: forming a powder material layer by using a powder material; applying a liquid material onto the powder material layer according to layer printing data, where the liquid material dissolves at least part of the powder material, and the liquid material includes an active component capable of polymerization; and supplying energy to the powder material layer so that the active component in the liquid material is polymerized, the powder material itself is not polymerized and does not polymerize with the active component, and an area of the powder material layer to which the liquid material is applied is molded to obtain a slice layer of a three-dimensional object.
    Type: Grant
    Filed: February 6, 2023
    Date of Patent: March 25, 2025
    Assignee: ZHUHAI SAILNER 3D TECHNOLOGY CO., LTD.
    Inventors: Xingbang He, Qiancheng Yang
  • Patent number: 12247327
    Abstract: The invention provides for a method of delaying and reducing texture reversion of a textured artificial turf yarn (145), characterized by using a stretched and textured monofilament yarn as the textured artificial turf yarn, the stretched and textured monofilament yarn comprising a polymer mixture (400, 500), wherein the polymer mixture is at least a three-phase system, wherein the polymer mixture comprises a first polymer (402), a second polymer (404), and a compatibilizer (406), wherein the first polymer and the second polymer are immiscible, wherein the first polymer forms polymer beads (408) surrounded by the compatibilizer within the second polymer.
    Type: Grant
    Filed: April 11, 2023
    Date of Patent: March 11, 2025
    Assignee: Polytex Sportbeläge Produktions-GmbH
    Inventors: Stephan Sick, Dirk Sander, Bernd Jansen, Ivo Lohr, Kris Brown
  • Patent number: 12247323
    Abstract: Disclosed is a continuous preparation method of cellulose fibers, in which a forming tension of 0.1 to 1.9 cN/dtex is applied to a fine solution stream obtained by extrusion through a spinneret plate and air gap cooling, then the fine solution stream is fed into a coagulating bath at a speed of 80 to 1000 m/min, a traction tension of 0.075 to 1.5 cN/dtex is continued to be applied to washed fibers in a water washing system behind the coagulating bath, and finally, the washed fibers are fed into a post-treatment system for continuous and efficient spinning of finished fibers at a speed of 80 to 1000 m/min.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: March 11, 2025
    Assignee: CHINA TEXTILE ACADEMY
    Inventors: Ting Li, Chenxi Zhang, Chunzu Cheng, Mingming Zhang, Jigang Xu, Kedong Chi
  • Patent number: 12242080
    Abstract: There is provided a laser processing device that performs laser processing on an object made of a birefringent material, the device including: a light source that outputs laser light; a spatial light modulator that modulates the laser light output from the light source; a focusing lens that focuses the laser light toward the object; and a polarized light component control unit that is a function of the spatial light modulator to control polarized light components of the laser light such that the laser light is focused on one point in the object in a Z direction (optical axis direction).
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: March 4, 2025
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Yotaro Wani, Yasunori Igasaki
  • Patent number: 12234575
    Abstract: Devices and methods for nanofiber-based membrane fabrication are provided. Portable (e.g., handheld) electrostatic spinning or electrospinning devices can be used for nanofiber-based membrane fabrication (e.g., wound care films or membranes, such as cannabidiol (CBD)-loaded films or membranes) and can be wearable and/or ultralow power. The device can include a needleless spinneret having solution supplied thereto and all powered by a low voltage battery.
    Type: Grant
    Filed: July 22, 2024
    Date of Patent: February 25, 2025
    Assignee: The Florida International University Board of Trustees
    Inventors: Arvind Agarwal, Omar Blandon Cruz, Lihua Lou
  • Patent number: 12227879
    Abstract: A method for preparing a monodomain liquid crystal elastomer smart fiber incudes: during cross-linking process of the liquid crystal elastomer, drawing of liquid crystal elastomer fibers with uniform diameter from a polymer solution when the viscosity of the cross-linked polymer solution increases to a point where filaments can be drawn; heating by an infrared lamp to form filamentous liquid crystal elastomer fiber; natural air drying to remove excess solvent in the fiber; and stretching and collection of the fiber, followed by placement of the fiber, whereby the monodomain liquid crystal elastomer smart fiber is obtained.
    Type: Grant
    Filed: July 11, 2023
    Date of Patent: February 18, 2025
    Assignees: Changzhou University, Yangzhou University, Yangzhou Technology Innovation Research Center for Carbon Neutrality of Yangzhou University
    Inventors: Ningyi Yuan, Xu Dong, Lvzhou Li, Jianning Ding, Xiaoshuang Zhou, Yaoyao Jiang
  • Patent number: 12220898
    Abstract: A method of preparing a thermoplastic roofing membrane, the method comprising (i) extruding a composition including a thermoplastic polymer and a mineral filler to form an extrudate; (ii) forming the extrudate into a sheet having first and second planar surfaces; (iii) allowing the sheet to at least partially cool; and (iv) mechanically treating the first planar surface of the sheet to thereby expose the mineral filler.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: February 11, 2025
    Assignee: Holcim Technology Ltd
    Inventors: Hao Wang, Donna C. Tippmann