Patents by Inventor Lindsay Bunch

Lindsay Bunch 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).

  • Gas operating system for an automatic firearm
    Patent number: 11022389
    Abstract: Techniques and architectures are disclosed for a gas operating system for a firearm. The system includes a barrel having a bore including a rifled portion. Attached to the barrel is a gas block. Located distally of the rifled portion of the bore is a gas expansion chamber in fluid communication with the bore and the gas block. In some examples, the gas expansion chamber includes a diameter at least twice the bore diameter. The gas block of the gas operating system, in some examples, includes a piston, where in response to receiving gases from the gas expansion chamber, the piston cycles the gas operating system.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: June 1, 2021
    Assignee: SIG SAUER, INC.
    Inventors: Douglas Aubin, David Michael Wilkes, Aaron C. Sakash, Lindsay Bunch
  • GAS OPERATING SYSTEM FOR AN AUTOMATIC FIREARM
    Publication number: 20200025476
    Abstract: Techniques and architectures are disclosed for a gas operating system for a firearm. The system includes a barrel having a bore including a rifled portion. Attached to the barrel is a gas block. Located distally of the rifled portion of the bore is a gas expansion chamber in fluid communication with the bore and the gas block. In some examples, the gas expansion chamber includes a diameter at least twice the bore diameter. The gas block of the gas operating system, in some examples, includes a piston, where in response to receiving gases from the gas expansion chamber, the piston cycles the gas operating system.
    Type: Application
    Filed: January 22, 2019
    Publication date: January 23, 2020
    Applicant: Sig Sauer, Inc.
    Inventors: Douglas Aubin, David Michael Wilkes, Aaron C. Sakash, Lindsay Bunch