Patents Examined by Jonathan C Weber
  • Method of making a metal primer insert by injection molding
    Patent number: 11340049
    Abstract: The present invention provides a method of making a substantially cylindrical insert by metal injection molding by providing a primer insert injection mold to form a substantially cylindrical metal primer insert, injection molding the metal injection molding feedstock into the primer insert injection mold to form a first substantially cylindrical metal primer insert having a first size; debinding the first substantially cylindrical metal primer insert to remove the first binding agent; and sintering the first substantially cylindrical metal primer insert to remove the second binding agent and form the substantially cylindrical metal primer insert having a second size.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: May 24, 2022
    Assignee: TRUE VELOCITY IP HOLDINGS, LLC
    Inventor: Lonnie Burrow
  • Cartridge breech plug for inline muzzle loading firearm
    Patent number: 11340039
    Abstract: A breech plug for inline muzzle loading firearms configured to use a blank powder cartridge loaded from the breech end, rather than powder loaded from the muzzle, and configured to place the projectile in substantially the same location in the barrel as if powder had been loaded from the muzzle end.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: May 24, 2022
    Inventors: Esteban Gonzalez Posada, Camilo Restrepo Restrepo
  • Ammunition assembly
    Patent number: 11326860
    Abstract: An ammunition assembly is provided, which includes a projectile and a fixture, where the projectile includes a penetrating, a sabot and a sabot holder, the sabot is sleeved on an outside of the penetrating, the sabot is of a split structure, the sabot holder is sleeved on an outside of the sabot, the sabot holder is located at one end of the sabot far away from the penetrating; the projectile is slidably provided in the chamber; the fixture includes clamping blocks, the clamping blocks are movably provided in the gun barrel, and the clamping blocks are capable of extending into the chamber and blocking the sabot holder.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: May 10, 2022
    Inventor: Xuyang Guo
  • Charging handle for firearms
    Patent number: 11320222
    Abstract: Charging handles for firearms, particularly gas-powered rifles. The disclosed charging handles can be operated on both sides of the firearm and include a shaft having with lateral widening at both sides. The charging handle includes an active handle, a passive handle, and a latch, where the active handle is rotatable about a pin and is urged into a fixing position by at least one spring, such that when the active handle is rotated against the spring force, the latch is released. The passive handle is configured so that when the passive handle is rotated, the passive handle also rotates the active handle. In order to relieve the pin, the release position of the active handle is defined by a support surface on the lateral widening of the shaft. The passive handle is configured analogously.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: May 3, 2022
    Assignee: GLOCK TECHNOLOGY GMBH
    Inventor: Patrick Nolte
  • Detachable trigger guard for firearms
    Patent number: 11313637
    Abstract: Various examples of a detachable trigger guard for firearms are described. The trigger guard as a monolithic piece has components including a main body, a first connection portion at a first distal end of the main body, and a second connection portion at a second distal end of the main body opposite the first distal end thereof. At least one of the first connection portion and the second connection portion of the detachable trigger guard is elastically deformable to allow the detachable trigger guard to be removably coupled to a receiver portion of the firearm below a trigger of the firearm with the first connection portion coupled to either or both of a first pair of through holes on the receiver portion of the firearm and with the second connection portion coupled to either or both of a second pair of through holes on the receiver portion of the firearm.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: April 26, 2022
    Inventor: YiHuei Jen
  • Detonation cord alignment and retention
    Patent number: 11313208
    Abstract: Provided is a detonation cord alignment apparatus. The detonation cord alignment apparatus, in accordance with one example, includes a detonation cord alignment housing having a detonation cord opening extending there through, and one or more protrusions extending inward from the detonation cord opening for linearly securing a detonation cord therein.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: April 26, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Christopher C. Hoelscher, Joseph Todd MacGillivray
  • Devices and methods for extraction of high pressure cartridge casings
    Patent number: 11306989
    Abstract: Devices and methods for chambering and releasing a high pressure cartridge case from a firearm. In some embodiments, a static chamber insert of high elastic modulus is disclosed. In some embodiments, a dynamic or adaptable chamber insert that radially expands in an out-of-battery configuration and radially contracts in a battery configuration is disclosed.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: April 19, 2022
    Assignee: Vista Outdoor Operations LLC
    Inventor: Bryan P. Peterson
  • Polymer ammunition having a MIM primer insert
    Patent number: 11300393
    Abstract: One embodiment of the present invention provides a polymeric ammunition having a metal injection molded primer insert.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: April 12, 2022
    Assignee: TRUE VELOCITY IP HOLDINGS, LLC
    Inventor: Lonnie Burrow
  • Last round hold open apparatus
    Patent number: 11300375
    Abstract: A last round hold open (LRHO) apparatus comprising a first lever having a first end and a second end; a second lever having a first end and a second end, the first end of the second lever in contact with the second end of the first lever; a bolt catch in contact with the second end of the second lever, and with a bolt carrier; and a follower in contact with the first end of the first lever, such that when the follower pushes up on the first end of the first lever, the second end of the first lever pushes down on the first end of the second lever, and the second end of the second lever pushes up on the bolt catch, resulting in activation of the bolt catch and opening the bolt carrier to alert an operator of the firearm that the firearm is out of ammunition.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: April 12, 2022
    Assignee: D & D Design Machine Inc.
    Inventors: Dennis Leon Denson, III, Dennis Leon Denson, IV
  • Bullet projectile with enhanced mechanical shock wave delivery for warfare
    Patent number: 11293730
    Abstract: A bullet projectile is described wherein an internal cylindrical sliding mechanical hammer mechanism provides secondary impact improving overall effectiveness in delivering a mechanical shock wave to a target.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: April 5, 2022
    Inventor: Douglas Burke
  • Firearm operating mechanisms and bolt release
    Patent number: 11280570
    Abstract: An operating system for a firearm includes a trigger, a hammer, a disconnector, a pivoting arm, and a lower member. The trigger includes a lower portion, an upper portion, and a trigger pivot. The disconnector includes a lower portion, an upper portion, and a disconnector pivot. The pivoting arm includes a forward protrusion, a pivoting arm opening, and a pin extending through the pivoting arm opening. The lower member includes a lower member opening and a pin hole that is coaxial with the trigger pivot and the disconnector pivot. At least a portion of the trigger and at least a portion of the disconnector are disposed within the lower member opening. Motion of the trigger causes the forward protrusion of the pivoting arm to engage a bolt carrier group and hold the bolt carrier group in an open position.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: March 22, 2022
    Inventors: James Matthew Underwood, Larry Cullen Underwood
  • High shot density charge holder for perforating gun
    Patent number: 11248894
    Abstract: A holder for shaped charges is shown and described. The charge holder facilitates a high shot density for use with a perforating gun. The shaped charges are arranged to direct explosive force axially outward from a perforating gun. The plurality of radially spaced charges are designed to result in an annular ring of blast effect in any metal tubing associated with the oil/gas extraction operation as well as any concrete conduits in which the tubing is disposed.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: February 15, 2022
    Assignee: DynaEnergetics Europe GmbH
    Inventor: Joern Loehken
  • Projectile launching apparatus
    Patent number: 11243045
    Abstract: A projectile launching apparatus for launching a projectile, such as a pellet, a BB bullet, an arrow, a dart and a paintball includes a linear motion converter driven by a motor, a piston coupled to the linear motion converter and reciprocally movable within a cylinder, a spring assembly and a breech assembly. The piston compresses a gas within the cylinder, after which the compressed gas expands in the barrel of the breech assembly for launching the projectile. Breech assembly includes a breech, a bolt, and bolt barrel cam, which rotate with the gas spring to allow a projectile to enter the breech and then to seal the bolt in the breech before the spring assembly releases its stored energy to launch the projectile.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: February 8, 2022
    Assignee: Tricord Solutions, Inc.
    Inventor: John Witzigreuter
  • Detonator retention system for boosters
    Patent number: 11209250
    Abstract: The present invention relates to a device, a system and a method for retaining detonators in an explosive booster, particularly a retention device for retaining a detonator in the blind hole of a booster which allows the safe extraction thereof from the booster. The retention device comprises a flexible holding means that is movable between a blocking position retaining the detonator inside the blind hole and an open position which allows extracting the detonator from the blind hole.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: December 28, 2021
    Assignee: MAXAMCORP HOLDING, S.L.
    Inventors: José Zuriaga Gascón, José Luis de Miguel Fuentes
  • Automatic case fed priming tool
    Patent number: 11204226
    Abstract: An automatic case fed priming tool preferably includes a primer insertion device, a primer die body and a primer feed trough. The automatic case fed priming tool is preferably retained in an automatic process press. The automatic process press includes a upper die carrier and a lower die carrier. The primer insertion device preferably includes a breach lock, a moving primer platform, a primer pin and a primer compression spring. The primer die body preferably includes a pin housing, a case push pin, an ejector compression spring, a case finger guide and a case ejector. The primer feed trough preferably includes a first trough half and a second trough half. The primer insertion device is retained in the lower die carrier. The primer die body is retained in the upper die carrier. An exit end of the primer feed trough is attached to the lower die carrier.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: December 21, 2021
    Inventor: John D. Lee
  • Lightweight cartridge case
    Patent number: 11199384
    Abstract: The present invention discloses a lightweight hybrid cartridge case (100) for a cartridged ammunition and a method of manufacture (200). The lightweight hybrid cartridge case (100) includes a cap (110) with a cylindrical sidewall (112) connected a base (120); a polymer shell (150) is insert-molded onto the sidewall of the cap; and an overmolded sleeve (180) is formed to cover the metal-polymer joint between the cap (110) and the polymer sleeve (150). The cylindrical sidewall (112) covered by the overmolded sleeve (180) has a plurality of stepped ridges (132, 132a), preferably with one stepped ridge (133) having a C-stepped edge (134).
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: December 14, 2021
    Inventors: Chun Kang Koh, Juan Kiat Quek, Su Shan Ng, Wen Jun Edwin Ang, Cheng Hok Aw
  • Modular and scalable mine roller
    Patent number: 11199382
    Abstract: A mine roller includes a bracket having a first end and a second end. The first end is adapted to be coupled to a vehicle. A rigid table has a center section and modular sections with the center section being coupled to the second end of the bracket for rotation about the second end in a first plane. The modular sections are coupled to the center section for rotation therewith. Roller banks are coupled to two of the modular sections for rotation relative thereto in a second plane that is perpendicular to the first plane.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: December 14, 2021
    Assignee: United States of America as represented by the Secretary of the Navy
    Inventors: Dustin Bride, Patrick Delay, Jeremy Croom, Bobbi Wood, Daniel Coats
  • Releasable erosion enhancing mechanism
    Patent number: 11187511
    Abstract: Embodiments are directed to a vented torque release device including hollow fuze well having a proximal end, a distal end, an inner surface, and an outer surface. A wall is defined by the inner surface and the outer surface. A plurality of helical grooves are axially spaced at equal distance about the outer surface.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: November 30, 2021
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventors: Benjamin M. Blazek, Lee R. Hardt, Carl A. Weinstein
  • Releasable erosion enhancing mechanism
    Patent number: 11187510
    Abstract: Embodiments are directed to a vented torque release device having a proximal end, a distal end, an inner surface, and an outer surface. A wall is defined by the inner surface and the outer surface. A plurality of canted holes are axially spaced at equal distance about the outer surface.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: November 30, 2021
    Assignee: The United States of America, as represented by the Secretary of the Navy
    Inventors: Benjamin M. Blazek, Lee R. Hardt, Carl A. Weinstein
  • Projectile accelerator with heatable barrel
    Patent number: 11187488
    Abstract: Systems, methods, and apparatuses are described for accelerating projectiles at high velocity. A barrel may include one or more heaters configured to heat a bore of the barrel prior to launch of a projectile. The barrel bore may be formed in a tungsten sleeve and may be heated to high temperatures. Heat from the barrel bore may be transferred to expanding propellant behind a projectile as it travels through the barrel bore.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: November 30, 2021
    Assignee: Science Applications International Corporation
    Inventor: Gary David Warren