Patents by Inventor Dave Duhaime

Dave Duhaime 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).

  • Firearm barrel having at least one barrel gas port and method of manufacturing the same
    Patent number: 11920885
    Abstract: Various embodiments are directed to a barrel for a firearm. In various embodiments, a barrel comprises an inner surface defining a bore configured to guide a projectile as the projectile is propelled through the bore by pressurized gas; and a barrel gas port having a gas port depth extending between a port entrance defined by the inner surface of the barrel and a port exit, wherein the barrel gas port is configured to fluidically communicate with the bore and an action of the firearm; wherein the port entrance defines a length dimension defined parallel to a longitudinal axis of the barrel and a width dimension defined perpendicular to the length dimension; and wherein the length dimension of the port entrance is greater than the width dimension of the port entrance. Various embodiments are directed to a firearm comprising the exemplary barrel.
    Type: Grant
    Filed: May 4, 2022
    Date of Patent: March 5, 2024
    Assignee: WHG Properties, LLC
    Inventors: William Geissele, Frank Robinson, Dave Duhaime
  • FIREARM BARREL HAVING AT LEAST ONE BARREL GAS PORT AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20230358490
    Abstract: Various embodiments are directed to a barrel for a firearm. In various embodiments, a barrel comprises an inner surface defining a bore configured to guide a projectile as the projectile is propelled through the bore by pressurized gas; and a barrel gas port having a gas port depth extending between a port entrance defined by the inner surface of the barrel and a port exit, wherein the barrel gas port is configured to fluidically communicate with the bore and an action of the firearm; wherein the port entrance defines a length dimension defined parallel to a longitudinal axis of the barrel and a width dimension defined perpendicular to the length dimension; and wherein the length dimension of the port entrance is greater than the width dimension of the port entrance. Various embodiments are directed to a firearm comprising the exemplary barrel.
    Type: Application
    Filed: May 4, 2022
    Publication date: November 9, 2023
    Inventors: William Geissele, Frank Robinson, Dave Duhaime