Patents for January 2026
Resin Composition and Power Cable
US Patent 12497496
Published December 16, 2025
Inventors: Kohei Hosomizu, Osaka, Japan; Shoma Suzuki, Osaka, Japan; and Takanori Yamazaki, Osaka, Japan
Assignee: Sumitomo Electric Industries, Ltd., Osaka, Japan
A resin composition contains a base resin including a polyolefin and an inorganic filler including silicon dioxide and surface-treated with a silane coupling agent. A remaining rate R of the inorganic filler in a fractured frozen surface is 50% or more. The remaining rate R is calculated using the following expression (1). R=(Df/Dc)×100 . . . (1). Df represents a density of the inorganic filler remaining in a fractured surface of a sheet formed of the resin composition containing the base resin and the inorganic filler, when the sheet is immersed in liquid nitrogen for 1 hour and then fractured. Dc represents a reference density of the inorganic filler detected in a cut surface of the sheet formed of the resin composition, when the sheet is cut at 24°C. using a focused ion beam without being frozen.
Protector and Wire Harness
US Patent 12496987
Published December 16, 2025
Inventor: Kanji Zamami, Yokkaichi, Japan
Assignee: Sumitomo Wiring Systems, Ltd., Mie, Japan
A protector that includes a tube configured to cover an electric wire, wherein the tube includes: a base configured to extend partially around the electric wire in a circumferential direction; a first lid configured to be combined with the base to extend entirely around the electric wire in the circumferential direction; and a second lid provided at a position shifted from the first lid in a length direction of the tube, and configured to be combined with the base to extend entirely around the electric wire in the circumferential direction.
Electrical Cable Equipped with a Device for Indicating the Presence of an Electrical Voltage
US Patent 12498403
Published December 16, 2026
Inventors: Christophe Demule, Laizy, France; Miguel Santana, Ste Foy les Lyon, France; and Samuel Griot, Lyons, France
Assignee: Nexans, Courbevoie, France
An electrical cable (10) has at least one conductor (12), and further has a device for indicating the presence of an electrical voltage inside the cable (10). The device has at least one layer (14) at least partially covering the outer surface of the cable (10) in at least one region of the cable (10) and a means for transmitting a signal indicating the presence of an electrical voltage inside the cable (10).
Coating a Working Wire for a Continuous Biological Sensor
US Patent 12500012
Published December 16, 2025
Inventors: Robert James Boock, Carlsbad, CA, USA; Huashi Zhang, San Juan Capistrano, CA, USA, and Wei Gu, San Diego, CA, USA
Assignee: Allez Health Inc., Carlsbad, CA, USA
Systems for manufacturing a working wire for a continuous biological sensor include an automated measurement system configured to measure, as an in-line process with a dipping station, a plurality of diameters along a length of a working wire. Systems also include a controller in communication with the automated measurement system, wherein the controller is configured to determine a thickness difference, the thickness difference being a difference between a thickness setpoint and an aggregate criteria for the plurality of diameters. The systems may include the dipping station, that is configured to hold a coating solution, and may include a robot positioned to move the fixture to the automated measurement system.
Coiled Wire Inspection System and Method
US Patent 12498355
Published December 16, 2025
Inventor: Alan Lares, Pleasant Ridge, MI, USA
Assignee: Cold Heading Co., Warren, MI, USA
A system and method of ultrasonically inspecting coiled wire includes a wire drawer, a first power feeder, an ultrasonic inspection device and a re-coiler. The wire drawer receives wire that is unspooled from a first coil of wire that has not been internally inspected for defects. The wire is then fed through the first power feeder, which straightens the wire. The straightened wire is then fed through the ultrasonic inspection device to detect internal defects of the wire. The inspected wire is then re-coiled into a second coil of wire that has been ultrasonically inspected for internal defects. Accordingly, raw and uninspected wire coils can be continuously conditioned and inspected and then re-coiled, and may be certified for use in specific manufacturing processes, without having to inspect individual cut and separated sections of wire.
Optical Fiber Ribbon, Ribbon Cable and Method for Manufacturing Optical Fiber Ribbon
US Patent 12498531
Published December 16, 2025
Inventors: Kuniaki Ishizuki, Tokyo, Japan; Mitsuhiro Iwaya, Tokyo, Japan; and Minoru Kasahara, Tokyo, Japan
Assignee: Furukawa Electric Co., Ltd., Tokyo, Japan
An optical fiber ribbon includes a plurality of optical fibers and a ribbon layer covering the plurality of optical fibers. A Young’s modulus of the ribbon layer is larger than or equal to 290 MPa and smaller than or equal to 1400 MPa. A static frictional coefficient between a plurality of the optical fiber ribbons is larger than or equal to 0.71 and smaller than or equal to 1.12.
Magnesiumdiboride Powder-In-Tube Wire
US Patent 12492150
Published December 9, 2025
Inventors: Chris Dhulst, Oeselgem, Belgium; Jan Mestdagh, Oostrozebeke, Belgium; Mehmet Kutukcu, Cambridge, Great Britain; Hans Vandeputte, Langemark, Belgium; and Frank Verbeke, Zwevegem, Belgium
Assignees: NV Bekaert SA, Zwevegem, Belgium; and Epoch Wires Limited, Cambridge, Great Britain
A magnesiumdiboride (MgB2) powder-in-tube (PIT) wire has a cross-section showing —voids, —magnesiumdiboride, and —oxides, as measured by energy-dispersive X-ray spectroscopy. Oxides are located at the borders between the voids and the magnesiumdiboride. The MgB2 PIT wire has a higher degree of superconductivity.
Electrical Cable or Electrical Cable Accessory
US Patent 12488908
Published December 2, 2025
Inventors: Gabriele Perego, Milan, Italy; Jihane Sahyoun, Villeurbanne, France; Christian Koelblin, Meximieux, France; and Massimiliano Mauri, Borgenhaugen, Norway
Assignee: Nexans, Courbevoie, France
An electrical cable or electrical cable accessory includes at least one semiconductor layer, and at least one electrically insulating layer, at least partially in direct contact with the semiconductor layer. The electrically insulating layer is obtained from an insulating polymer composition having a thermoplastic polymer material, and the semiconductor layer is at least partially crosslinked.
High-Speed Input/Output and High-Power Transmission Connector and Cable
US Patent 12488914
Published December 2, 2025
Inventors: Benjamin K. Sharfi, Rancho Cucamonga, CA, USA; Cory Steen, Rancho Cucamonga, CA, USA; Saul Gonzalez, Rancho Cucamonga, CA, USA; and Kadek W. Hemawan, Rancho Cucamonga, CA, USA
Assignee: Benjamin K. Sharfi, Rancho Cucamonga, CA, USA
An interconnection cable adapted to connect two or more electronic devices comprising one or more end connectors; at least one of the one or more connectors comprising one or more data plugs, each complying with the USB or the Thunderbolt specification, and one or more power pins that are separate from the data plug; a cable assembly attached to at least one of the one or more connectors; the cable assembly comprising one or more fiber optic cores, and one or more stranded coper wires; wherein at least one of the one or more fiber optic cores is communicatively connected to at least one of the one or more data plugs; and wherein at least one of the one or more stranded copper wires is electrically connected to at least one of the one or more power pins.
Telecommunication Cable with Tape
US Patent 12482582
Published November 25, 2025
Inventors: Darshana Bhatt, Haryana, India; and Sujeet Kumar, Haryana, India;
Applicant: Sterlite Technologies Limited, Haryana, India
A telecommunication cable (100) including a plurality of twisted pairs (102) stranded helically around a cable axis, at least two tapes (104, 106) helically wrapped around the plurality of twisted pairs (102) such that that the at least two tapes (104, 106) overlap over the plurality of twisted pair (102), and a sheath (114) encapsulating the at least two tapes (104, 106) wrapped around the plurality of twisted pair (102). In particular, a ratio of first lay length of a first specific twisted pair to second lay length of a second specific twisted pair is in the range of 0.8 to 1.2. Furthermore, a ratio of first lay length of a first specific twisted pair to second lay length of a second specific twisted pair is in the range of 0.5 to 1.5.
Method and Apparatus for Plasma Cable Cutting
US Patent 12479052
Published November 25, 2025
Inventor: Felix Sorkin, Stafford, TX, USA
An apparatus may include a bracket having a post-tensioned cable tunnel and a pair of tabs configured to receive a post-tensioned cable and to prevent rotation of the bracket relative to the post-tensioned cable. An apparatus may include a plasma torch attachment member configured to releasably engage with the head of a plasma cutting torch of the type having a plasma cutting tip attached thereto, and to rotatably attach to the bracket such that the plasma cutting tip may be moved in an arc relative to the post-tensioned cable.
Tungsten Wire and Saw Wire
US Patent 12473614
Published November 18, 2025
Inventors: Tomohiro Kanazawa, Osaka, Japan; Yoshihiro Iguchi, Osaka, Japan; Naoki Kohyama, Osaka, Japan; Atsushi Shimada, Osaka, Japan; Kenshi Tsuji, Osaka, Japan; and Yui Nakai, Osaka, Japan
Assignee: Panasonic Intellectual Property Management Co., Ltd., Osaka, Japan
A tungsten wire contains tungsten or a tungsten alloy. An average width of surface crystal grains in a direction perpendicular to an axis of the tungsten wire is at most 76 nm. The tungsten wire has a tensile of at least 4800 MPa, and a diameter of at most 100 μm.
Superconducting Wire, Method for Manufacturing Superconducting Wire and MRI Device
US Patent 12476024
Published November 18, 2025
Inventors: Hideki Tanaka, Tokyo, Japan; Takaaki Suzuki, Tokyo, Japan; and Motomune Kodama, Tokyo, Japan
Assignee: Hitachi, Ltd., Tokyo, Japan
A superconducting wire comprises a MgB2 filament, a base material, a high-thermal expansion metal and a stabilizing material. The high-thermal expansion metal is a metal (for example, stainless steel) having a higher thermal expansion coefficient at room temperature than the MgB2 and the base material (for example, iron or niobium). The manufacturing method includes a step of packing a mixed powder in a first metal pipe, a step of performing wire-drawing on the first metal pipe formed of the metal to be the base material, a step of producing a composite wire by accommodating the first metal pipe in a second metal pipe formed of the high-thermal expansion metal and the stabilizing material, a step of performing wire-drawing on the composite wire and a step of performing heat treatment.
Combined Cable
US Patent 12476022
Published November 18, 2025
Inventors: Zhiwei (Jack) Guo, Dongguan, China; and Hainan (Harlan) Lu, Dongguan, China
Assignee: Tyco Electronics (Shanghai) Co., Ltd., Shanghai, China
A combined cable includes at least two cable groups, each comprising at least one cable arranged side by side. Each cable group further comprises an adhesive layer wrapping a periphery of the at least one cable and having adhesion agent located on an outside of the adhesive layer. Each cable group further includes two coating layers, respectively adhered to a periphery of the adhesive layer of each cable group with the adhesion agent from upper and lower sides of the at least two cable groups. The coating layers located between adjacent two cable groups are detachably abutted together.
Insulated Wire and Method for Manufacturing Insulated Wire
US Patent 12476026
Published November 18, 2025
Inventors: Hajime Nishi, Tokyo, Japan; Takami Ushiwata, Tokyo, Japan; and Yuki Honda, Tokyo, Japan
Assignee: Proterial, Ltd., Tokyo, Japan
An insulated wire includes a conductor having an elongated shape and an insulating coating. The insulating coating is provided around the conductor. The insulating coating is formed by laminating multiple insulating layers, each of which includes pores.
Electrical Connection to Litz Wire
US Patent 12476390
Published November 18, 2025
Inventor: Kurt Allan Randolph, Middletown, PA, USA
Assignee: TE Connectivity Solutions GmbH, Schaffhausen, Switzerland
An electrical connector assembly includes a Litz wire having multiple wire strands. Each wire strand has a conductor and an insulator. The electrical connector assembly includes an electrical contact having a contact portion at a mating end and a Litz wire termination portion at a terminating end. The contact portion is configured to make an electrical connection with a mating contact. The Litz wire termination portion is crimped to an end of the Litz wire. The Litz wire termination portion is heated by an induction heating device after being crimped to the end of the Litz wire to heat the wire strands and melt away the insulators of the wire strands to electrically connect the conductors at the end of the Litz wire to make an electrical connection with the individual wire strands of the Litz wire.
Conductive Cable for a Battery Electric Vehicle
US Patent 12476018
Published November 18, 2025
Inventors: Yi Liu, Troy, MI, USA; Qigui Wang, Rochester Hills, MI, USA; Huaxin Li; Rochester Hills, MI, USA; Kestutis A. Sonta, Troy, MI, USA; and Daniel J. Wilson, Linden, MI, USA
Assignee: GM Global Technology Operations LLC, Detroit, MI,USA
A conductive cable for a battery electric vehicle is provided. The conductive cable comprises a plurality of first members in alignment to define a longitudinal axis of the conductive cable. Each first member comprises a first conductive wire about which a first outer layer is disposed for electric current to flow therethrough relative to the longitudinal axis. The first outer layer comprises a first metal substrate having a first side and an opposite second side. The first outer layer comprises a first copper-graphene (Cu-Gr) multilayer composite disposed on the first side and a second Cu-Gr multilayer composite disposed on the second side of the first metal substrate. Each first conductive wire comprises a first metallic material. The plurality of first members is disposed together along the longitudinal axis to define a cable bundle. The conductive cable further comprises a non-conductive layer disposed about the cable bundle.
Direct Wire Terminal Assembly
US Patent 12476391
Published November 18, 2025
Inventors: Emma L. Workman, Middletown, PA, USA; and David Patrick Orris, Middletown, PA, USA
Assignee: TE Connectivity Solutions GmbH, Schaffhausen, Switzerland
A terminal assembly includes a cable that includes a conductor which has at least one wire. The conductor has an outer surface. The terminal assembly includes a terminal having a main body extending between a front and a rear of the terminal. The terminal includes a wire support supporting the at least one wire of the conductor at a mating interface. The at least one wire is welded to the wire support to fix the at least one wire to the main body of the terminal. The outer surface of the conductor is exposed at the mating interface for direct mating to a mating component.
Wire Rope
US Patent 12467200
Published November 11, 2025
Inventor: Takaya Hashimoto, Seto, Japan
Assignee: Asahi Intecc Co., Ltd., Seto, Japan
A wire rope includes a strand that is formed by winding a plurality of metal wires. The strand includes a core wire and side wires. Each of the side wires is arranged on an outer periphery of the core wire. In a transverse section of the strand, each of the side wires includes end portions positioned at opposite ends in a circumferential direction of the core wire. Each of the end portions includes a contact portion in contact with an end portion of an adjacent side wire, and a non-contact portion not in contact with the adjacent side wire. A Vickers hardness of the contact portion is higher by 1% or more than a Vickers hardness of the non-contact portion. A surface roughness Ra of an outer peripheral surface of each of the side wires is 0.10 μm or less.
Fire Resistant Radiating Coaxial Cable
US Patent 12469621
Published November 11, 2025
Inventor: William E. Rogers, Danville, CA, USA
Assignee: American Fire Wire, Inc., Minden, NV, USA
A fire resistant radiating coaxial cable that employs a high-silica fiberglass yarn spacer is described. The yarn material has mass fraction of silica (SiO2) between 95.0% and 96.5%, a mass fraction of aluminum oxide (Al2O3) greater than 3%, and a mass fraction of calcium oxide (CaO) less than 0.5%. The yarn can be wound in a low-helix-angle helix around the center conductor such that less than half fills the annular space between it and the outer conductor. The cable is configured to maintain a relatively coaxial relation between a center conductor and an outer conductor under intense fire conditions.
Magnet Wire with a Semi-Conductive Insulation Layer
US Patent 12463487
Published November 4, 2025
Inventor: Scott Ted Jolley, Davenport, FL, USA
Assignee: Essex Solutions USA LLC, Atlanta, GA, USA
A method for forming magnet wire with improved partial discharge performance may include providing a conductor, forming a first layer of polymeric enamel insulation formed around the conductor, and forming a second semi-conductive layer around the first layer. Forming the second layer may include providing a base polyamic acid and complexing filler particles with the base polyamic acid. The polyamic acid may be applied around the first layer, and the filler particles may migrate towards an outer surface of the second layer. The polyamic acid may be cured to form a semi-conductive enamel layer, and at least sixty percent by weight of the filler particles may be positioned within an outer half of the second layer following the migration.
Cable Termination Inspection Cover Assembly
US Patent 12460699
Published November 4, 2025
Inventors: Andrew Averill, King of Prussia, PA, USA; and Nathan Joseph Engler, Perkasie, PA, USA
Assignee: Wireco Worldgroup Inc., Prairie Village, KS, USA
A cover assembly for a synthetic cable having a termination end secured on a jacketed end of the synthetic cable is provided. The cover assembly includes a shell and an inspection port. The shell is configured to extend around and at least partially enclose a socket portion of the termination end of the synthetic cable. The inspection port is defined into the shell for viewing access of at least part of the termination end of the synthetic cable. The inspection port is positioned along a length of the shell that aligns with the socket portion of the termination end so that the socket portion of the termination end and the jacketed end of the synthetic cable are visible through the inspection port. The jacketed end of the synthetic cable extends into the socket portion of the termination end.
High Resolution Headline Sonar Cable
US Patent 12462948
Published November 4, 2025
Inventor: Hjortur Erlendsson, Kopavogur, Iceland
Assignee: Hampidjan HF, Reykjavík, Iceland
A production method for a headline sonar cable characterized by steps of: a. providing a first strength member (14); b. coupling to strength member (14) a conductor (122); c. forming a layer of polymeric material about the combination of strength member (14) and conductor (122) while ensuring that the conductor remains slack; d. forming a flow shield around the layer of polymeric material, thus forming an elongatable internally located conductive structure; and e. braiding a strength-member jacket layer (52) of polymeric material around the elongatable internally located conductive, structure while ensuring that the conductor is slack when surrounded by the jacket layer (52). For another embodiment, an optical fibre is wrapped around the exterior of the layer of polymeric material within which is enclosed a braided conductor formed about the first strength member (14). Other embodiments employ further thermo-plastic layers and further sheaths and further conductors.
Fiber Optic Cable Labeling System and Methods of Manufacturing The Same
US Patent 12449621
Published October 21, 2025
Inventors: Yishai Amsterdamer, Albany, NY, USA; Harshul Garg, Kanata, ON, Canada; Shanmugham Kalaichelvan, Toronto, ON, Canada
Assignee: LiteLinx Broadband Solutions, Inc., Albany, NY, USA
A cable has a first end and a second end with the length of the cable being defined therebetween. The cable includes an outer jacket of plurality of internal lines disposed within the outer jacket and a plurality of labels. A plurality of labels are secured at predetermined intervals along the length of the cable. Each label of the plurality of labels includes an electronic tag. Each electronic tag includes information relevant to the cable and is configured to be read by a scanner external to the cable.
Electrical Cable with Dielectric Film
US Patent 12444519
Published October 14, 2025
Inventor: Jan Smejtek, Portland, USA
Assignee: Swift Bridge Technologies, Penang, Malaysia
A cable includes an inner conductor and a dielectric layer extending around the inner conductor. The dielectric layer includes a bi-directionally stretched polypropylene film having a porous structure that includes a plurality of pores that extend through a thickness of the bi-directionally stretched polypropylene film. The dielectric layer includes air molecules trapped within the pores of the bi-directionally stretched polypropylene film such that the dielectric layer includes polypropylene and air. The cable includes an outer conductor extending around the dielectric layer.