Patents for September 2025

The Editors of WCTI have compiled the following patents from the USTPO office for September 2025.

Working Wire for a Biological Sensor
US Patent 12385872
Published August 12, 2025
Inventors:Robert James Boock, Carlsbad, CA, USA; and Khyati Mehta, Carlsbad, CA, USA
Assignee: Allez Health Inc., Carlsbad, CA, USA
A working wire for a biological sensor is disclosed. The working wire includes a substrate comprising cobalt-chromium (Co—Cr) alloy or Nitinol alloy, a platinum layer comprising platinum on the substrate and a membrane layer comprising a biological membrane applied over the platinum layer.

System and Method for Forming Wire and Cable
US Patent 12387858
Published August 12, 2025
Inventors:Nicholas Johansen, Decatur, AL, USA; and Kenjiro Tanimoto, Osaka, Japan
Assignees:Daikin Industries, Ltd., Osaka, Japan; and Daikin America, Inc., Orangeburg, NY, USA
A system and method for manufacturing wire and cable products with a polymer cable component is provided. The systems and methods include increasing the hardness of a polymer cable component in order to reduce compression and deformation of the cable components during manufacturing. In some instances, the hardness is temporarily increased prior to or during the process of creating twisted pair or during the cabling process.

Resin Composition Quality Controlling Method, Cable and Tube Quality Controlling Method, Determination Device, Inspection System, and Cable and Tube
US Patent 12385840
Published August 12, 2025
Inventors: Kazufumi Suenaga, Tokyo, Japan; and Seiichi Kashimura, Tokyo, Japan
Assignee: Proterial, Ltd., Tokyo, Japan
A resin composition quality controlling method includes a step of measuring a Raman spectrum of a resin composition composed of TiO2 particles dispersed in a base material mainly composed of a silicone rubber by irradiating the resin composition with laser, and a step of determining a concentration of the TiO2 particles in the resin composition based on an intensity of a fluorescence spectrum in the Raman spectrum.

Cable Processing Machine with Separate Cable Storage Means
US Patent 12387857
Published August 12, 2025
Inventor: Stefan Viviroli, Horw, Switzerland
Assignee: Komax Holding AG, Dierikon, Switzerland
A cable processing machine has a processing region for processing cables, an operating region for operation of the machine by an operator, a conveying device that conveys batches of cables processed in the processing region from the processing region to the operating region, a cable storage device having a receiving portion accessible from the processing region for receiving individual cables processed in the processing region and a removal portion accessible from the operating region for safe removal of the individual cables by the operator, as well as a feed device that feeds the cables processed in the processing region either to the conveying device or to the receiving portion.

PET Based Polymeric Matrix for Electric Wires
US Patent 12384877
Published August 12, 2025
Inventor: Christian Lagreve, La Chapelle Biche, France
Assignee: ACOME, Paris, France
A polymeric matrix including: 50 to 80%, preferably 64 to 73% PET; 18 to 50%, preferably 20 to 28% of a mixture of polyolefins; 0.1 to 15%, preferably 0.5 to 7% of at least one flame-retardant additive; 0 to 2%, preferably 0.2 to 1% of at least one antioxidant; 0 to 2% preferably 0.2 to 1% of at least one crosslinking promoter; 0 to 2%, preferably 0.2 to 1% of at least one anti-hydrolysis agent, the percentages being by weight of the total weight of the matrix. Also, the use of polymeric matrix in manufacturing electrical cables.

Stackable Spool Cable Manager
US Patent 12384651
Published August 12, 2025
Inventors: Christian Roa-Quispe, Laval, QB, Canada; and Oscar Alberto Lazarte Barrios, Montreal, QB, Canada
Assignee: Belden Canada LLC, Saint-Laurent, QB, Canada
A stackable spool cable manager assembly may include a plurality of like cable manager spools. The cable manager spools may include a locking mechanism such that the cable manager spools can be stacked and such that when locked together a cable support arm of each the cable manager spools is offset from the others. A magnet may also be provided, for example, for securing to a bottom one of a stack of cable manager spools such that they can be secured to a metal tray or the like.

Flux-Cored Wire
US Patent 12383990
Published August 12, 2025
Inventors: Peng Han, Fujisawa, Japan; and Masamichi Suzuki, Fujisawa, Japan
Assignee: Kobe Steel, Ltd., Kobe, Japan
A flux-cored wire for arc welding, including a steel sheath filled with flux, where the wire contains, relative to a total mass of the wire, Cr: 16.0 to 22.0 mass %, Ni: 6.0 to 11.0 mass %, Mn: 0.7 to 2.6 mass %, Si: 0.1 to 1.1 mass %, Zr: 0.2 to 0.8 mass %, Fe: 45.0 to 65.0 mass %, TiO.sub.2: 5.0 to 9.0 mass %, SiO.sub.2: 0.1 to 2.0 mass %, ZrO.sub.2: 0.5 to 3.0 mass %, and Bi: less than 0.0020 mass %. Where by mass %, a Si content is denoted by [Si] and a Zr content is denoted by [Zr], a value of parameter A expressed by A=[Si]+2×[Zr] satisfies 1.4 to 2.5.

Superconducting Wire and Method of Forming the Same
US Patent 12382842
Published August 5, 2025
Inventors: Seung-Hyun Moon, Seoul, South Korea; Judith Driscoll, Cambridge, Great Britain; Ahmed Kurusumovic, Cambridge, Great Britain; and John Feighan, Cambridge, Great Britian
Assignees: Sunam Co., Ltd., Anseong-si, South Korea; and Cambridge Enterprise Limited, Cambridge, Great Britain
Provided is a superconducting wire. The superconducting wire comprises a substrate, a superconducting film on the substrate and a pinning center in the superconducting film. The superconducting film includes Y1-xRExBCO and the pinning center has an additive of Ba2YNbO6.

Method for Manufacturing a Fire-Resistant and/or Fire-Retardant Cable
US Patent 12381020
Published August 5, 2025
Inventors: Sylvie Daveau, Irigny, France; Thierry Auvray, Lyons, France; and Franck Gyppaz, Lyons, France
Assignee: Nexans, Courbevoie, France
The present invention relates to a method for manufacturing a cable comprising at least one elongated electrically conducting element and at least one composite layer surrounding said elongated electrically conducting element, said composite layer being obtained from a roll of non-woven fibrous material impregnated with a geopolymer composition.

Wire Spool Rotation Resistance Adjusters and Wire Feed Assemblies Having Adjustable Wire Spool Rotation Resistance
US Patent 12378093
Published August 5, 2025
Inventors: Mark Richard Christopher, Neenah, WI, USA; Justin Durik, Greenville, WI, USA; and Connor Denis Uitenbroek, Appleton, WI, USA
Assignee: Illinois Tool Works Inc., Glenview, IL, USA
Example wire spool hub assemblies include: a spindle configured to hold a wire spool; a spool rotation resistor positioned on the spindle to resist rotation of the wire spool on the spindle; and a resistance adjuster configured to selectively apply two or more rotation resistances via the spool rotation resistor based on two or more discrete positions of the resistance adjuster.

High Contrast Laser Markable Cables and Marking Methods
US Patent 12378409
Published August 5, 2025
Inventors: Pill Alexander; Carrollton, GA, USA; and Juan Alberto Galindo Gonzalez, Powder Springs, GA, USA
Assignee: Southwire Company, LLC, Carrollton, GA, USA
Cable sheathing compositions are provided for use in laser marking methods. Cable sheathing compositions include amounts of laser marking additives and color concentrates to enhance the absorption of laser energy and create an indelible mark. Laser marking methods employ cables formed with sheathing compositions and provide advantages to both the speed and power efficiency required by the laser source, as well as the quality and contrast ratio of the resulting laser mark. Cable manufacturing methods and apparatus employing the laser marking methods are also contemplated.

Multilayer Electrically Conductive Wire Having Graphene Layers
US Patent 12374470
Published July 29, 2025
Inventor: Kyril Lekarski, Moissy Cramayel, France
Assignee: Safran Electronics & Defense, Paris, France
A multilayer electrically conductive wire includes a central support core, and a set of pairs of layers each including at least one intercalary layer made of a non-carbon material, wherein the first layer of the first pair of layers is deposited on the outer surface of the central core and the first layer of the N+1 pair of layers is deposited on the second layer of the N pair of layers such that each graphene layer of each N pair is separated from another graphene layer of another pair of layers by an intercalary layer of another non-carbon based material.

AC Submarine Power Cable with Reduced Losses
US Patent 12367991
Published July 22, 2025
Inventors: Ola Thyrvin, Karlskrona, Sweden; Andreas Persberg, Karlskrona, Sweden; Andreas Tyrberg, Lyckeby, Sweden; and Håkan Sandell, Karlskrona, Sweden
Assignee: NKT HV Cables AB, Lyckeby, Sweden
A static AC submarine power cable configured for at least 72 kV operation including: a power core including: a conductor, an insulation system surrounding the conductor and a smooth metallic water-blocking sheath surrounding the insulation system, wherein the metallic water-blocking sheath includes stainless steel.

Resin Composition, Resin Composition Molded Body and Power Cable
US Patent 12365788
Published July 22, 2025
Inventors: Satoshi Yamasaki, Osaka, Japan; Takanori Yamazaki, Osaka, Japan; and Fumitoshi Iyoda, Osaka, Japan
Assignee: Sumitomo Electric Industries, Ltd., Osaka, Japan
A resin composition contains propylene and ethylene and has a melting point of 140°C or more and 150°C or less, and an enthalpy of fusion of the resin composition is 60 J/g or more and 100 J/g or less.

Cable Reel
US Patent 12365563
Published July 22, 2025
Inventors: Nathan Paddick, Milan, Italy; and Kris Roberts, Milan, Italy
Assignee: Prysmian S.p.A., Milan, Italy
The present disclosure relates to a cable reel comprising: a tubular main body extending along a longitudinal axis (L), comprising a plurality of tubular sections successively arranged side by side along the longitudinal axis (L) and releasably interconnected one to another; a first flange positioned at a first end of the main body, releasably connected to a first tubular section of the plurality of tubular sections; a second flange positioned at a second end of the main body, releasably connected to a last tubular section of the plurality of tubular sections, wherein each tubular section comprises at least two arcuate sections releasably interconnected in circumferential direction.

Hydrocarbon Leak Detection Cable
US Patent 12366497
Published July 22, 2025
Inventors: Donald M. Raymond, Fort Collins, CO, USA; and James Schneider, Fort Collins, CO, USA
Assignee: Raymond & Lae Engineering, Inc., Fort Collins, CO, USA
Disclosed is a hydrocarbon leak detection cable that locates hydrocarbon leaks in oil pipelines, gas pipelines, oil and gas tanks and other devices that store and transport hydrocarbons. Resistive sensor wires are used so that the location of the leak can be detected with a high degree of accuracy in an inexpensive and convenient matter. In addition, hydrocarbon leaks can be detected over long distances, which reduces the cost and provides reliability for detecting hydrocarbon leaks in hydrocarbon pipelines.
Ultra-High Voltage Direct Current Power Cable
US Patent 12362081
Published July 15, 2025
Inventors: Hyun Jung Jung, Seoul, South Korea; Jin Ho Nam, Seoul, South Korea; Jung Suk Yoo, Suwon-si, South Korea; Yi Seul Yang, Gunpo-si, South Korea; Min Sang Cho, Seoul, South Korea; and Sung Ik Heo, Gunpo-si, South Korea
Assignee: LS Cable & System Ltd., Anyang-si, South Korea
An ultra-high voltage direct current (DS) power cable may be provided via a conductor formed by twisting a plurality of strands, an inner semiconducting layer surrounding the conductor, an insulating layer surrounding the inner semiconducting layer; and an outer semiconducting layer surrounding the insulating layer, wherein the insulating layer is formed of an insulation composition containing a polyolefin resin and a crosslinking agent, and the insulating layer is divided into three equal parts in a thickness direction, the three equal parts including an inner layer, an intermediate layer and an outer layer.

Connection Structure of Carbon Nanotube Wire
US Patent 12362077
Published July 15, 2025
Inventor: Kazuki Sugihara, Tokyo, Japan; and Hideki Aizawa, Tokyo, Japan
Assignee: Furukawa Electric Co., Ltd., Tokyo, Japan
A connection structure of a carbon nanotube wire includes a joint between the carbon nanotube wire and the connection target. For example, a connection structure of a carbon nanotube wire includes a carbon nanotube wire and a connection target to which the carbon nanotube wire is connected. The connection structure further includes a conducting wire with higher solder wettability than the carbon nanotube wire, a penetrating part of the conducting wire formed along a cross section having a component orthogonal to a longitudinal direction of the carbon nanotube wire and solder that connects the carbon nanotube wire and the connection target. The solder penetrates the penetrating part formed along the conducting wire.

Terminal Which Makes Direct Wire-to-Wire or Wire-to-Mating Surface Connection
US Patent 12362503
Published July 15, 2025
Inventors: John Marsh, Swindon, Great Britain; and Vinayakumar Shettar, Mechanicsburg, PA, USA
Assignees: TE Connectivity Solutions GmbH, Schaffhausen, Switzerland; and Tyco Electronics UK Ltd., Swindon, Great Britain
A terminal and a method for terminating a wire. The terminal incudes a wire support member having a wire securing portion and a wire contacting portion. The terminal also includes a wire positioned in the wire support member that has a contact section which is positioned in the wire contacting portion of the wire support member. The contact section of the wire makes an electrical and mechanical connection with a mating wire, a mating terminal or a mating contact surface.

Optical Cable with SZ Stranded Routable Fiber Carrying Subunits
US Patent 12353042
Published July 8, 2025
Inventor: Bradley Jerome Blazer, Granite Falls, NC, USA
Assignee: Corning Research & Development Corporation, Corning, NY, USA
An optical fiber cable that includes subunits is provided. Optical fiber cables are used to transmit data over distance. The subunits are twisted and stranded within the cable to reduce degradation of stranding during use of the cable. The subunits of one or more optical fiber cables are arranged in complimentary configurations that counteract their varying asymmetrical forces to provide an improved handling performance for the optical fiber cable.

Composite Cable
US Patent 12354771
Published July 8, 2025
Inventors: Hirotaka Eshima, Tokyo, Japan; Fumihito Oka, Tokyo, Japan; Yoshikazu Hayakawa, Tokyo, Japan; Tomoyuki Murayama, Tokyo, Japan; and Takahiro Futatsumori, Tokyo, Japan
Assignee: Proterial, Ltd., Tokyo, Japan
A composite cable includes a plurality of internal cables and a covering member covering peripheries of the plurality of internal cables. At least one of the plurality of internal cables includes at least one electric wire having a conductor, a first sheath covering a periphery of the at least one electric wire, a shield covering a periphery of the first sheath and a second sheath covering a periphery of the shield.

Cable Shielding with Conductive Resin
US Patent 12347976
Published July 1, 2025
Inventors: Andrew Chen, Shenzhen, China; Billy Liu, Shanghai, China; Hj Fong, Taipei, Taiwan; and Jay Lee, Taipei, Taiwan
Assignee: Google LLC, Mountain View, CA, USA
A cable assembly includes a connector head electrically coupled to a plurality of conductors disposed in a cable, the connector head having a plug and a conductor interface; an outer shell including a first portion encasing the plug of the connector head, and a second portion encasing the conductor interface of the connector end; an inner shell including a connector end encasing the second portion of the outer shell, and a cable end encasing a portion of the cable and including an injection gate; and conductive resin including a first portion disposed inside the connector end of the inner shell, and a second portion disposed inside and outside the cable end of the inner shell; wherein inside and outside portions of the second portion of the conductive resin are connected through the injection gate.

Dynamic Cables with Fiber Reinforced Thermoplastic Composite Sheath
US Patent 12347589
Published July 1, 2025
Inventors: Karl Magnus Bengtsson, Oslo, Norway; Audun Johanson, Oslo, Norway; and Anton Akulichev, Halden, Norway
Assignee: Nexans, Courbevoie, France
A dynamic power cable or power cables for submarine applications has at least one extruded fibre reinforced thermoplastic composite core sheath arranged radially around a water barrier sheath.

Armored DSS Cable
US Patent 12345937
Published July 1, 2025
Inventor: Kinzo Kishida, Kobe, Japan
Assignee: Neubrex Co., Ltd., Kobe, Japan
An armored DSS cable includes: an inner layer part including a first rope helically wound; and a surface layer part including an optical fiber module and a plurality of third ropes, the optical fiber module having an optical fiber and a plurality of second ropes helically surrounding the optical fiber and having a smaller outer diameter than the first rope, the third ropes having a larger outer diameter than the first rope, such that the optical fiber module and the third ropes are arranged on an identical circle and helically wound, wherein the inner layer part and the surface layer part are formed concentrically.

Composite Wire
US Patent 12340918
Published June 24, 2025
Inventors: Hamzeh Kashani, Chandler, AZ, USA; and Wonmo Kang, Scottsdale, AZ, USA
Assignee: Arizona Board of Regents, on behalf of Arizona State University, Scottsdale, AZ, USA
A composite wire material may include a core wire including copper (Cu). The core wire material may include a first layer on a circumferential surface of the core wire, where the first layer includes graphene. The composite wire material may include a second layer on a circumferential surface of the first layer, where the second layer includes nickel (Ni).

Twisted Pair Cables Suitable for Extended Distance Applications
US Patent 12340920
Published June 24, 2025
Inventors: Christopher W. McNutt, Woodstock, GA, USA; and Amir Sekhavat, Marietta, GA, USA
Assignee: Superior Essex International Inc., Atlanta, GA, USA
A twisted pair cable suitable for extended length applications exceeding 100 m may include an outer jacket and four twisted pairs of individually insulated conductors disposed within the outer jacket. Each of the four twisted pairs may have a respective nominal twist lay along a longitudinal length of the cable with the exception of a first termination area positioned at a first longitudinal end of the cable and a second termination area positioned at a second longitudinal end of the cable opposite the first termination area, where each of the first and second termination areas occupies a longitudinal distance of 15.0 cm or less. Additionally, each of the four twisted pairs may a first twist lay within the first termination area that is smaller than its nominal twist lay and a second twist lay within the second termination area that is smaller than its nominal twist lay.

Cooled Charging Cable
US Patent 12334233
Published June 17, 2025
Inventors: Guenter Koenig, Schwabach, Germany; and Sven Spindler, Hiltpoltstein, Germany
Assignee: LEONI Kabel GmbH, Roth, Germany
A single line for a charging cable, for example for electric vehicles, and a charging cable having single lines of this kind are provided. The single line (10) includes a cooling hose (12) in which a coolant (14) can be conveyed, and at least one uninsulated electrical conductor (16). The at least one uninsulated electrical conductor (16) is connected in a thermally conductive manner to the cooling hose (12) in such a way that the at least one uninsulated electrical conductor (16) can be cooled by the coolant (14).