Patents by Inventor Joshua Matthew STUBBS

Joshua Matthew STUBBS has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12158330
    Abstract: A lightweight end cap for an ammunition cartridge, said end cap having a central axis along its axial length, with a first radius; wherein said end cap further comprises a swept volume rebate; having a second radius less than the first radius, wherein the second radius is at least 10% smaller than the first radius, and wherein the swept volume rebate extends along at least 10% of the axial length of said end cap, wherein the end cap further comprises an extractor groove suitable for receiving an ejection mechanism.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: December 3, 2024
    Assignee: BAE SYSTEMS PLC
    Inventors: Nathan William Rowe, Joshua Matthew Stubbs
  • Patent number: 12111141
    Abstract: According to the present invention, there is provided an ammunition belt link comprising, a sprung wire, said sprung wire arranged to form a first receiving portion suitable for retaining a first ammunition cartridge, a second receiving portion suitable for retaining a second ammunition cartridge, a spacer between said first receiving and second receiving portions, an ammunition cartridge locator aide, said locator aid locates in an ejector groove of a received cartridge and, the wire ammunition belt link further comprising a support surface suitable for retaining the first and/or second ammunition cartridge.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: October 8, 2024
    Assignee: BAE SYSTEMS PLC
    Inventors: Joshua Matthew Stubbs, Nathan William Rowe
  • Publication number: 20240230290
    Abstract: The invention relates to a method of improved ammunition production, particularly to a metal matrix composite(MMC) end cap, suitable for forming a cartridge case, said end cap comprising an admixture of a metal powder, a binder matrix material, wherein said admixture has been caused to solidify in the shape of said end cap.
    Type: Application
    Filed: April 19, 2022
    Publication date: July 11, 2024
    Applicant: BAE SYSTEMS plc
    Inventors: Nathan William Rowe, Joshua Matthew Stubbs, Richard James Duncombe
  • Publication number: 20240230291
    Abstract: The invention relates to a method of improved ammunition production, more specifically to a cellular structure end cap, suitable for an ammunition round, said end cap comprising a porous 3D spatial structure in the shape of said end cap, wherein in said porous 3D spatial structure comprises a surface skin.
    Type: Application
    Filed: April 19, 2022
    Publication date: July 11, 2024
    Applicant: BAE SYSTEMS plc
    Inventors: Nathan William Rowe, Joshua Matthew Stubbs, Paul Heaton, Richard James Duncombe
  • Publication number: 20240219157
    Abstract: A lightweight end cap for an ammunition cartridge, said end cap having a central axis along its axial length, with a first radius; wherein said end cap further comprises a swept volume rebate; having a second radius less than the first radius, wherein the second radius is at least 10% smaller than the first radius, and wherein the swept volume rebate extends along at least 10% of the axial length of said end cap, wherein the end cap further comprises an extractor groove suitable for receiving an ejection mechanism.
    Type: Application
    Filed: April 19, 2022
    Publication date: July 4, 2024
    Applicant: BAE SYSTEMS plc
    Inventors: Nathan William Rowe, Joshua Matthew Stubbs
  • Patent number: 12018923
    Abstract: There is provided an ammunition belt link comprising, a sprung wire, said sprung wire arranged to form a first receiving portion suitable for retaining a first ammunition cartridge, a second receiving portion suitable for retaining a second ammunition cartridge, a spacer between said first receiving and second receiving portions; and an ammunition cartridge locator aide, said aide locates in an ejector groove of a received cartridge.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: June 25, 2024
    Assignee: BAE SYSTEMS PLC
    Inventors: Joshua Matthew Stubbs, Nathan William Rowe
  • Publication number: 20230266108
    Abstract: There is provided an ammunition belt link comprising, a sprung wire, said sprung wire arranged to form a first receiving portion suitable for retaining a first ammunition cartridge, a second receiving portion suitable for retaining a second ammunition cartridge, a spacer between said first receiving and second receiving portions; and an ammunition cartridge locator aide, said aide locates in an ejector groove of a received cartridge.
    Type: Application
    Filed: July 9, 2021
    Publication date: August 24, 2023
    Applicant: BAE SYSTEMS plc
    Inventors: Joshua Matthew Stubbs, Nathan William Rowe
  • Publication number: 20230258441
    Abstract: According to the present invention, there is provided an ammunition belt link comprising, a sprung wire, said sprung wire arranged to form a first receiving portion suitable for retaining a first ammunition cartridge, a second receiving portion suitable for retaining a second ammunition cartridge, a spacer between said first receiving and second receiving portions, an ammunition cartridge locator aide, said locator aid locates in an ejector groove of a received cartridge and, the wire ammunition belt link further comprising a support surface suitable for retaining the first and/or second ammunition cartridge.
    Type: Application
    Filed: July 9, 2021
    Publication date: August 17, 2023
    Applicant: BAE SYSTEMS plc
    Inventors: Joshua Matthew Stubbs, Nathan William Rowe
  • Patent number: 10794674
    Abstract: There is disclosed a tracer munition. There is provided a tracer munition for selective activation, the tracer munition comprising: an electronic tracer device, said tracer munition comprising at least one cavity capable of receiving said electronic tracer device wherein the electronic tracer device comprises an electrical power source and an electronic emitter, whereupon selective activation of the electronic tracer device, said electronic emitter emits radiation.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: October 6, 2020
    Assignee: BAE SYSTEMS PLC
    Inventors: Simon France Parker, Joshua Matthew Stubbs
  • Publication number: 20190368847
    Abstract: There is disclosed a tracer munition. There is provided a tracer munition for selective activation, the tracer munition comprising: an electronic tracer device, said tracer munition comprising at least one cavity capable of receiving said electronic tracer device wherein the electronic tracer device comprises an electrical power source and an electronic emitter, whereupon selective activation of the electronic tracer device, said electronic emitter emits radiation.
    Type: Application
    Filed: November 13, 2017
    Publication date: December 5, 2019
    Applicant: BAE SYSTEMS plc
    Inventors: SIMON FRANCE PARKER, JOSHUA MATTHEW STUBBS
  • Patent number: 10274294
    Abstract: A cartridge casing comprising a casing tube formed substantially of metal with a closed end and an open end. The casing tube bounds at least part of a head cap entered into the open end of the tube. The head cap is fixed relative to the tube. An end wall defines the closed end opposite the head cap end of the cartridge. The end wall comprises a weakened region.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: April 30, 2019
    Assignee: BAE Systems plc
    Inventors: James Edward Baxter, Nathan William Rowe, Joshua Matthew Stubbs
  • Patent number: 10209042
    Abstract: A cartridge casing comprises a casing tube having a first end and a head cap. The first end of the casing tube abuts and is joined with the head cap such that an orifice in the first end of the casing tube is aligned with a passage in the head cap to define a flash passage. The head cap and casing tube are held together by a deformable member.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: February 19, 2019
    Assignee: BAE SYSTEMS plc
    Inventors: James Edward Baxter, Joshua Matthew Stubbs, Nathan William Rowe
  • Publication number: 20180209769
    Abstract: A cartridge casing comprises a casing tube and a head cap. The casing tube bounds at least part of the head cap. The head cap is being fixed relative to the tube by a welding process.
    Type: Application
    Filed: September 25, 2015
    Publication date: July 26, 2018
    Applicant: BAE SYSTEMS plc
    Inventors: JAMES EDWARD BAXTER, JOSHUA MATTHEW STUBBS, NATHAN WILLIAM ROWE
  • Publication number: 20180058829
    Abstract: A cartridge casing comprising a casing tube formed substantially of metal with a closed end and an open end. The casing tube bounds at least part of a head cap entered into the open end of the tube. The head cap is fixed relative to the tube. An end wall defines the closed end opposite the head cap end of the cartridge. The end wall comprises a weakened region.
    Type: Application
    Filed: March 1, 2016
    Publication date: March 1, 2018
    Applicant: BAE SYSTEMS plc
    Inventors: JAMES EDWARD BAXTER, Nathan William Rowe, Joshua Matthew Stubbs
  • Publication number: 20170307343
    Abstract: A cartridge casing comprises a casing tube having a first end and a head cap. The first end of the casing tube abuts and is joined with the head cap such that an orifice in the first end of the casing tube is aligned with a passage in the head cap to define a flash passage. The head cap and casing tube are held together by a deformable member.
    Type: Application
    Filed: September 25, 2015
    Publication date: October 26, 2017
    Applicant: BAE SYSTEMS plc
    Inventors: JAMES EDWARD BAXTER, JOSHUA MATTHEW STUBBS, NATHAN WILLIAM ROWE
  • Publication number: 20170299351
    Abstract: A cartridge casing comprises a casing tube and a head cap. The casing tube bounds at least part of the head cap. The head cap is being fixed relative to the tube by a welding process.
    Type: Application
    Filed: September 25, 2015
    Publication date: October 19, 2017
    Applicant: BAE SYSTEMS plc
    Inventors: James Edward BAXTER, Joshua Matthew STUBBS, Nathan William ROWE