Firearms and Ammunition Patent Grants

Weekly firearms and ammunition patent grants.

Dec 9, 2025

US12491975 - Shipboard gimbal trunnion

A shipboard platform is provided for azimuth and elevation pivoting of a targeting payload. The platform is coupled to a ship and includes a pedestal, an azimuth drive trunnion, a yoke having first and second struts, an elevation drive trunnion and an elevation support trunnion. The pedestal is disposed on the ship. The azimuth drive trunnion is disposed in the pedestal. The yoke is rotatably disposed on the azimuth drive trunnion. The elevation drive and support trunnions are rotatably disposed in their respective first and second struts. The payload is mountable to the elevation drive and support trunnions. Further, a gimbal trunnion is provided for pivoting a payload along an axis. The trunnion includes an annular shaft, an interface mounting plate, an annular rotor, an annular stator, and inner and outer annular housings. The shaft turns the payload along the axis. The interface mounting plate is axially disposed between the payload and the shaft. The annular rotor extends radially outward from the shaft for turning the mounting plate. The annular stator extends radially outward from the rotor to laterally constrain the rotor. The inner and outer annular housings extending radially outward from the stator for encasing the axially tandem bearings.

Dec 9, 2025

US12492873 - Delayed blowback system for a firearm

Apparatuses, systems, and methods are disclosed for delayed blowback mechanisms for use in or with firearms. The delayed blowback mechanism includes a housing having an internal chamber, where the housing comprises a cam pathway. The delayed blowback mechanism also includes a pivoting latch disposed at least partially within the internal chamber, where the pivoting latch is movable, with respect to the housing, along the cam pathway between a first position and a second position.

firearm blowback mechanism
Dec 9, 2025

US12492874 - Charging handle for a firearm

The charging handle for a firearm includes a latch assembly and two levers, each operably and independently connected to the latch assembly. Additionally, each lever includes a biasing arm, the end portion of which is positioned in an overlapping arrangement with the end portion of the other biasing arm. In this way, the overlapping, or “nested,” end portions of the biasing arms contact substantially the same portion of the cam surface on the latch. This allows each lever to provide an even resistance to the user when pulled.

firearm charging_handle mechanism
Dec 9, 2025

US12492875 - Rifles comprising a bolt catch device

Firearms including a bolt catch device, having a receiver comprising a duct, wherein the bolt catch device comprises a foot, a slider, and a spring, and the foot, on the leg thereof and on the magazine well side, has a groove for receiving the spring and, on the side facing the trigger device, has a socket; wherein the slider has, on the lower portion thereof, bearing bolts for being inserted into and pivoted in the socket, wherein the slider has, at the upper end thereof, a protrusion which protrudes in the direction of the magazine well beyond the contour of the duct, and wherein the receiver has an abutment that protrudes into the groove in order to prestress the spring of the bolt catch into the rest position.

rifle bolt catch firearm
Dec 9, 2025

US12492876 - Firearm safety feature

A novel firearm safety feature includes arresting surfaces for preventing the fall of a hammer in the event of a spontaneous failure of other firearm parts. In a particular embodiment a safety lug has an arresting surface and the hammer has a complementary arresting surface. In the event of a spontaneous failure, the arresting surface and the complementary arresting surface create a positive engagement and prevent the hammer from falling. In another embodiment, a grip safety includes an arresting surface and the hammer includes a complementary arresting surface. In the event of a spontaneous failure, the arresting surface and the complementary arresting surface create a positive engagement and prevent the hammer from falling.

firearm safety hammer mechanism
Dec 9, 2025

US12492877 - Suppression device for rotary machine gun

A suppression device for a rotary machine gun includes a body; and a core configured to fit inside the body, wherein the core includes: a plurality of suppression tubes symmetrically oriented around the core with one each of the plurality of suppression tubes corresponding to one of a plurality of barrels of the rotary machine gun, and a redirector at a distal end of the core and including an angled surface to direct propellant gas emitted through a central channel of the core radially outward.

machine_gun suppression_device
Dec 9, 2025

US12492878 - Recessed expansion chamber in a gun slide configured for improving recoil mitigation in firearms

A recessed expansion chamber in a gun slide is configured for improving recoil mitigation in firearms. The gun slide is for a pistol firearm with a barrel and includes a recessed expansion chamber. The recessed expansion chamber is positioned forward of the barrel end of the barrel. An expansion chamber opening is included through the gun slide in communication with the recessed expansion chamber. The recessed expansion chamber is configured to allow gases leaving the barrel at the barrel end to expand and be directed out of the gun slide through the expansion chamber opening.

firearm pistol recoil gun slide
Dec 9, 2025

US12492879 - Foldable support bench

The present invention discloses a foldable support bench comprising a support plate and a base. The support plate is provided with at least one piece, and the support plate is hingedly provided on the base. The base is provided with at least one first threaded connection hole, and the support plate is provided with at least one second threaded connection hole. In the present invention, the support plate is rotatable relative to the base. During use, the support plate is expanded relative to the base, allowing the two to be in a parallel state. When not in use, the support plate is rotated and folded relative to the base, and the two are in a perpendicular state to each other. Compared to existing technology, the present invention has the advantages of a simple and reasonable structure, foldability, reduced storage space, and ease of storage and transportation.

Dec 9, 2025

US12492880 - Accessory mount

Disclosed is an accessory mount configured for attachment to a rail interface system, such as the MIL-STD 1913 Picatinny rail. In particular, the accessory mount is a multi-position sliding mount that can be used to attach an accessory, such as a bipod or a tripod, to a handguard equipped with a compatible rail interface system. The accessory mount includes a spring-loaded push-button recoil lug that allows it to be quickly repositioned on a rail interface system. The accessory mount also includes an adjustment knob configured to facilitate attachment and removal without the need to slide the accessory mount on or off the end of the rail interface system. Additionally, the adjustment knob is configured to set sliding tension for the accessory mount and, if desired, to fix the accessory mount in position on the rail interface system.

Dec 9, 2025

US12492881 - Gas cylinder piercing mechanism for an airgun

A gas cylinder piercing mechanism for an airgun includes a housing, a piercing needle, and a trigger assembly. The housing includes an expansion channel, a gas supply channel, and a receiving space for receiving a cylinder of a compressed gas. The trigger assembly, connected to the housing, drives the piercing needle in the expansion channel to pierce the gas cylinder. The piercing needle includes a head portion having an internal gas passage and an oblique cutting surface. The gas passage includes a gas inlet in the oblique cutting surface and a gas outlet spaced from the oblique cutting surface that links the gas passage to the gas supply channel via the expansion channel so that compressed gas flows from the cylinder into the expansion channel and on to the gas supply channel upon operation of the trigger.

Dec 9, 2025

US12492882 - Butt stock for firearm stabilization

The disclosure is related to a butt stock for a firearm, the butt stock having a spherical body, the butt stock configured and sized to attach to a buffer tube of a firearm.

buttstock firearm stabilization
Dec 9, 2025

US12492883 - Holster

A holster for carrying a handgun of the type having a front section including a muzzle, a middle section including a trigger guard, and a back section including a grip, includes a holster upper section with walls configured to substantially enclose the middle section of a handgun when the handgun is carried in the holster. The holster also includes a generally open holster web portion that extends forward from the holster upper section and that defines a window through which is visible a substantial portion of the front section of a handgun when the handgun is carried in the holster.

holster handgun accessory
Dec 9, 2025

US12492884 - Accessory mount system

An accessory mount system for connection to a rear sight block (RSB) of a Kalashnikov pattern firearm includes a locking insert that has a projection which extends in a first direction. The projection is adapted to be received within a first recess of the RSB for connection thereto. An adapter body is connected to the locking insert and has a projection that extends in a second direction opposite the first direction. The projection of the adapter body is adapted to be received within a second recess of the RSB for connection thereto. A mount body is connected to the adapter body and has an accessory interface which is adapted to connect to an accessory. An adapter body is secured with a push-pivot pin securely wedging the projection of the adapter against an internal wall of the RSB.

accessory mount kalashnikov firearm
Dec 9, 2025

US12492885 - Systems and methods for providing a mobile expandable ballistic barrier apparatus

Embodiments of the disclosure can provide systems and methods for providing a mobile expandable ballistic barrier apparatus. The apparatus can include a trailing panel with a front side, an opposing rear side, a trailing side, and a leading side; a trailing frame with one or more wheels, the trailing frame configured to support the trailing side of the trailing panel; a leading panel comprising a respective front side, an opposing rear side, a trailing side, and a leading side; a leading frame with one or more wheels, the leading frame configured to support the leading side of the leading panel; and one or more intermediate panels, each of the one or more intermediate panels comprising a respective front side, an opposing rear side, an leading side, and a trailing side.

Dec 9, 2025

US12492886 - Non-lethal projectile construction and launcher

A nonlethal projectile includes a debilitating material for immobilizing a target. The projectile is capable of self-separating or otherwise opening after launch by a launcher to release the debilitating material prior to impact with a target. The launcher is capable of initiating separation of the projectile. Opening may also be accomplished by a control circuit with a radio-frequency identification (RFID), where an RFID tag in the projectile causes the projectile to open at a user-specified distance from the launcher or by the force of launch on the projectile. A magazine may holds a plurality of projectiles and the various projectiles of the magazine may be configured to open at different distances and/or times after launch. The launcher may include a trigger and/or a safety switch to prevent the projectile from becoming armed until a certain parameter is met. The debilitating material may also be released through pores in the projectile.

Dec 9, 2025

US12492887 - Miniature electronic safe arm device

Disclosed is a miniature electronic safe arm device (MESAD) kit. The MESAD kit comprises a munition adapter. a high explosive booster charge. a low energy exploding foil initiator (LEEFI) detonator, and a warhead initiation module. The munition adapter comprises a male threaded portion configured to thread into a female threaded portion at an end of a munition shell. The MESAD kit enables conversion of existing stockpiles of inventoried legacy munitions in the field. into UAS payloads by replacing legacy mechanical and electro-mechanical fuzes used on these legacy munitions with a MESAD assembly.

Dec 9, 2025

US12493328 - Phone case to hold a concealed defense system

A cell phone case to hold a concealed defense system, comprising, a concealed defense system, a cell phone case, and an attachable means to removably attach the concealed defense system to the back of the cell phone case to form a flat foot that stabilizes and directs the defense system toward the danger or a target. The concealed defense system can be a flat mini pepper spray canister or a flat defense projectile device.

Dec 2, 2025

US12485679 - Method of creating a projectile launcher by depositing ink on shell parts

A non-lethal projectile launcher toy that comprises a full-colour, high DPI, printed aggregate coating on an outer shell ( 101, 301 ); the decal coating is not limited to flat surfaces, allowing for substantially unrestricted product design, and is substantially undisturbed visual continuity when crossing part lines between discrete parts that make up the outer shell. Methods of producing the decal-coated toy gun using inkjet printing technology are also provided, allowing for high-detail and comprehensive colour range aggregate coatings that may be programmatically controlled to maximise the visual quality of the applied decal.

Dec 2, 2025

US12487040 - Firearm

An upper receiver is disclosed. The upper receiver contains a first inner surface configured to abut a first magazine protrusion, and a second inner surface configured to abut a second magazine protrusion.

firearm receiver magazine
Dec 2, 2025

US12487041 - Magazine base pad

A firearm magazine base pad comprises a base pad body adapted to be removably secured to a lower end of a magazine body, the base pad body including a front portion, a rear portion, a pair of opposed side portions, and a lower portion. The lower portion of the base pad body, when viewed in a cross-sectional plane parallel to and medially of the opposed side portions and in a cross-sectional plane perpendicular to the opposed side portions and medially of the front and rear portions, is convex. The front portion of the base pad body, when viewed in a cross-sectional plane parallel to and medially of the opposed side portions, is concave.

firearm magazine accessory
Dec 2, 2025

US12487042 - Mechanical magazine

A mechanical magazine, including a casing and a mechanical driver. The casing includes an ammunition inlet, an ammunition outlet, and an ammunition passage extending from the ammunition inlet to the ammunition outlet. The mechanical driver is disposed on one side of the casing and is configured to drive ammunition pills to move from the ammunition inlet to the ammunition outlet. The mechanical driver includes a rotation disc and an energy storage unit; the rotation disc is rotationally connected to the casing to push the ammunition pills to move along the ammunition passage; the energy storage unit is disposed on the rotation disc and is subjected to elastic deformation to store or release energy when the rotation disc rotates relative to the casing; when the rotation disc rotates in a direction towards the ammunition inlet, the energy storage unit is compressed to save energy.

mechanical magazine ammunition
Dec 2, 2025

US12487043 - Device for disassembling a firearm

This disclosure concerns a pistol having an anti-disassembly protection device, which includes a disassembly key arranged rotatably in a frame, and which can be manually turned between an angular locking position and an angular disassembly position, and which disassembly key may occupy a transverse resting position and a transverse rotation position. The disassembly key has blocking means that cooperate with additional blocking means on the frame in order to prevent rotation of the disassembly key into the angular disassembly position when the disassembly key occupies the transverse resting position.

firearm disassembly pistol
Dec 2, 2025

US12487044 - Weapon usage monitoring system having discharge event monitoring directed toward quick change barrel

A system for providing discharge monitoring of a firearm includes an event detection module, an event detection module housing, and a signal processing module. The event detection module has a sensor that senses an acceleration and generates an acceleration signal. The event detection module housing houses the event detection module. The signal processing module receives the acceleration signal and determines whether the acceleration signal is a discharge event and generates an event detection signal based on the determination, the signal processing module is further configured to maintain a shot count of the firearm based on the determination that the event detection signal is a discharge event. The event detection module is coupled to a quick change barrel of the firearm. The event detection module generates the event detection signal specific to the quick change barrel of the firearm; and determines a shot count of the quick change barrel.

firearm monitoring discharge quick_change_barrel
Dec 2, 2025

US12487045 - Firearm suppressor

A suppressor assembly for a firearm includes a rear mount, a rear cap, at least one baffle on a forward side of the rear cap, and a front cap on a forward side of the at least one baffle. The rear mount includes an inner bore, a rear attachment interface, and a forward attachment interface. The rear cap is attached to the rear mount through the forward attachment interface. The rear attachment interface connects the suppressor assembly to the firearm. The front cap includes a plurality of exit holes that allow propellant gases to exit the suppressor assembly through the front cap.

firearm suppressor ammunition
Dec 2, 2025

US12487046 - Suppressor

A suppressor comprising a cylindrical housing ( 1 ) and a core ( 2 ) with radially located disk partitions ( 3 ) arranged along it, wherein the thickness of the disk partitions ( 3 ) decreases in the direction from the rear to the front of the suppressor, a number of gas openings ( 4 ) are provided along the core, a sound-absorbing material is placed in working chambers between two adjacent disk partitions ( 3 ), and clamping grooves ( 6 )—offset from each other—are provided in the core ( 2 ) yielding a torque to the core when gas escapes therethrough, the sound-absorbing material being a cooling mesh ( 7 ) formed in a structured package ( 8 ) with an annular shape, consisting of two folded accordion-like strips, one of said strips being folded radially and the other being folded axially in relation to the axis of the compressor.

suppressor firearm accessory
Dec 2, 2025

US12487047 - Bowmar nose button

A method for aiming an archery bow includes the steps of 1) providing an archery bow having a bow string, 2) providing an aiming apparatus in which the aiming apparatus may include a beam having a longitudinal slit configured to engage the bow string along a longitudinal axis of the beam, and a portion of the beam may further include a projection having a curved surface. The projection may also include a frustum. The steps may further include 3) inserting the bow string into the longitudinal slit and positioning the aiming apparatus to a first point on the bow string so that when drawn the aiming apparatus contacts a point on an archer's nose, 4) drawing the bow string to a firing position, and 5) positioning the bow string so that the aiming apparatus contacts the archer's nose.

Dec 2, 2025

US12487048 - Archery arrow rest cord tensioning system

A fall away arrow rest system for use with an archery bow. The arrow rest system includes a launcher that is adapted to support a shaft of an arrow prior to firing the arrow. Upon firing the arrow, the launcher rotates from an upright position to a lowered position to move out of the way by the time the tail region of the arrow passes by the launcher. The arrow rest system includes a rest cord coupled to the arrow rest, the effective length and tension of which determines the timing of the launcher rotating out of the way. The arrow rest system includes a system for adjusting the effective length of and tension in the rest cord to adjust the timing as desired.

Dec 2, 2025

US12487049 - String-unloading apparatus of a crossbow

A crossbow includes a string, a trigger assembly, a safety and a string-unlocking apparatus. Only one hand is required to use a cocking device to operate the string-unlocking apparatus to move the safety to an unlocking position from a locking position and to pivot the trigger assembly to a releasing position from a hooking position.

Dec 2, 2025

US12487050 - Air gun

An air gun, includes: a cartridge including a launching chamber, a cylinder including an air chamber, an air valve, a first pin, and a second pin. The air valve is disposed in the air chamber and partially extends out of the cylinder to connect to the cartridge; the air valve is an integrally-formed structure and includes an air passage comprising an air inlet and an air outlet; the air inlet is connected to the air chamber, the air outlet is connected to the launching chamber; the first pin is movable relative to the cylinder to open and close the air inlet, and the second pin is movable relative to the cylinder to open and close the air outlet.

Dec 2, 2025

US12487051 - Assembled electric toy gun having function of rapidly connecting and terminating electric signal

An assembled electric toy gun having a function of rapidly connecting and terminating an electric signal includes a first gun body disposed with two first conductive sheets and a second gun body disposed with two second conductive sheets. The second gun body rotates relative to the first gun body in two opposite directions to respectively form a rotating assembly way and a bending detach way, each of the second conductive sheets is correspondingly in contact with each of the first conductive sheets at a terminal end of the rotating assembly way to establish an electric conduction, and each of the second conductive sheets is correspondingly separated with each of the first conductive sheets at a terminal end of the bending detach way to terminate the electric conduction.

Dec 2, 2025

US12487052 - Stock for a firearm

A stock for a firearm includes a mount, a first member, and a second member. The mount is configured to be coupled to a main body of the firearm. The first member is configured to move along a longitudinal axis defined by the firearm relative to the mount. The second member is configured to move along the longitudinal axis relative to the first member.

firearm stock mechanism
Dec 2, 2025

US12487053 - Gun light that is easy to replace with batteries

A gun light that facilitates battery replacement is provided, which includes a housing, a light-emitting module, a seat module, and a fixing mechanism. The housing is provided with a battery compartment, and the battery compartment is slidably fitted with a battery module; one side of the light-emitting module is rotatably connected to one end of the housing, and the other side of the light-emitting module is provided with a light-emitting locking groove. The seat module is connected to the other end of the housing. The fixing mechanism includes a locking component, which includes a locking elastic sheet and a light-emitting locking rod. The locking elastic sheet is fixedly connected to the housing. This application has the effect of reducing the risk of accidental contact causing the battery module to detach from the housing.

Dec 2, 2025

US12487054 - Bore sighting target mount

A system and method for calibrating a weapon using a precision barrel mount calibration system, wherein one or more components of the precision barrel mount calibration system are self-centering, and the system is configured to prevent scratching of an inner surface of the barrel.

Dec 2, 2025

US12487055 - Sight-assist system for a firearm, and related methods and components

A system for assisting one's vision while aiming a firearm, includes a scope (but may also not include a scope) that is operable to capture light from an object downfield, and an optical collar that is operable to divert some or all of the light captured, and generate an image of the object. The scope has a first end and a second end. The first end captures light from the object located downfield from the first end, and looking through the second end, one receives the light captured by the first end, and generates an image of the object from the captured light. The optical collar includes a camera operable to generate an image from light that the camera receives, a beam-splitter optically aligned with the second end of the scope and operable to reflect a portion of the light captured by the scope's first end toward the camera, and a display operable to show the image generated by the camera from the light that the camera receives.

firearm sight scope optics
Dec 2, 2025

US12487056 - Sensor farm

An apparatus that includes at least two types of sensors arranged on a projectile, each type of sensor including a plurality of sensors with overlapping ranges.

Dec 2, 2025

US12487057 - Mounting rail assembly for a crossbow

A crossbow includes a stock, a riser, a barrel rail coupled between the stock and the riser and defining a projectile axis, a limb assembly coupled to the riser, and a mounting rail assembly. The mounting rail assembly includes a mounting rail defining a first axial end and a second axial end, a first mounting bar coupled to the barrel rail and the first axial end of the mounting rail, and a second mounting bar coupled to the barrel rail and the second axial end of the mounting rail.

Dec 2, 2025

US12487058 - Firearm accessories attachment

An apparatus implementable on a firearm includes an accessories attachment device. The accessories attachment device is configured to attach to the firearm. The accessories attachment device includes physical features that are configured to accommodate mounting of accessories capable of mounting by a first design and a second design different than the first design onto the accessories attachment device.

firearm accessories attachment
Dec 2, 2025

US12487059 - Firearm optic assembly

A firearm optic assembly has a body, the body having a first mounting facility configured to removably connect the body to the firearm, the body having a first receptacle configured to receive a first accessory, the body having a second mounting facility configured to removably receive a second mount portion associated with a second accessory offset from the medial plane, the second mounting facility including a pocket defined by one of the body and the second mount portion, the second mounting facility including a protrusion on the other of the body and the second mount portion, the protrusion being configured to be slidably or loosely received in the pocket, the protrusion having a free end and an opposed base end, the second mounting facility having an alignment facility including flared surfaces at the base end, and the flared surfaces being on opposing sides of the protrusion.

firearm optic accessory mount
Dec 2, 2025

US12487060 - Cover for tactical armor system

A cover for soft armor has a mantle extending from front waist to rear waist, with a head/neck opening and formed of an outer fabric layer and an inner liner secured to the outer fabric layer at particular locations. An additional liner is positioned between the outer fabric layer and the inner liner and secured to the inner liner to produce a sling along with the inner liner, positioned to receive and support portions of the soft armor at front and back of the mantle. The sling is openable and closable at a bottom of the sling for insertion of soft armor portions. At front and back the inner liner is split along a vertical center line providing for opening left and right portions upwardly and outwardly, for convenient loading of the armor.

Dec 2, 2025

US12487061 - Panel assembly, a panel, a mounting arrangement and method of securing same to a surface

The present invention provides a panel comprising a protective plate which is adapted to be fitted to a vehicle body panel to cover the vehicle body panel. The protective plate includes a plurality of fasteners to releasably secure the protective plate to the vehicle body panel. Each fastener comprises a first fastening portion which is secured to the protective plate, and a second fastening portion which is secured to the surface of the vehicle's body panel. Upon securing the protective plate in place, the first fastening portion is biased away from the second fastening portion to retain the fastener in a locked position. The protective plate is adapted to remain fixed to the vehicle body panel when the vehicle is driven in either an on-road or off-road environment.

Dec 2, 2025

US12487062 - Battle tank with armored overhead turret design

Described herein is a new design for a combat vehicle, such as a battle tank, that includes enhanced armor plating overhead of the passengers inside the vehicle. The enhanced armor may include thicker plating within a turret that is arranged over where one or more passengers are seated within a turret basket. In some respects, the plated region of the turret may also protect rear features such as an autoloader from frontal attacks. The armored turret region may have a thickness of at least 500 mm or may have a thickness that extends an entire height of the turret. One or more occupants of the combat vehicle may be seated within a turret basket beneath the turret, such that they are arranged beneath the armored turret region when seated and better protected from overhead attacks.

Dec 2, 2025

US12487063 - Non-explosive programmable electronic initiation system for rock blasting

A programmable non-explosive initiator may include a capsule, a filament, a shrink sleeve, a capacitor, and a printed circuit board (PCB). The capsule includes a container tube or sleeve containing a first rapidly expanding metallic mixture. The filament is coated by a second rapidly expanding metallic mixture and is contained by the shrink sleeve. The filament is caused to glow by a controlled discharge of the capacitor. The controlled discharge of the capacitor is controlled by the PCB. In some examples, the programmable non-explosive initiator may include electronic initiator units connected in parallel.

Dec 2, 2025

US12487064 - Lightweight end cap

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.

ammunition cartridge end cap production
Dec 2, 2025

US12487065 - Simulated telescopic mortar bomb

A training round for performing indirect fire mission, including a top end oriented towards a direction of projectile motion of the training round. A bottom end is situated opposite to the top end. The top end and the bottom end are separated by a first distance. An adjuster is arranged between the top end and the bottom end to adjust a length of the training round. The adjuster compresses such that the top end and the bottom end are separated by a second distance. The second distance is less than the first distance. A round sensor attached to the training round and communicatively couples to a simulation computer while performing the indirect fire training mission.

Dec 2, 2025

US12487066 - Microwave-initiated antenna igniters with bandwidth selectivity

Disclosed is a tunable microwave-initiated antenna igniter. The device includes a pair of tunable microstrip antennas on a substrate configured to receive an electromagnetic radiation frequency that provides ignition energy; and a conductive material spanning a dielectric gap between the pair of tunable microstrip antennas. The conductive material spanning the dielectric gap can include a dielectric epoxy or a bridgewire. The microstrip antennas are tunable for frequency and bandwidth by varying dipole length and/or width. Tuning causes the microstrip antennas to reject accidental ignition from an off frequency high power microwave field. The tunability, bandwidth selectivity, and low energy requirements allow for use of the tunable microwave-initiated antenna igniters in a number of new and challenging ignition applications.

Dec 2, 2025

US12487067 - Detonator connector having wire protection structure

A detonator connector having a wire protection structure is proposed. The detonator connector includes a wiring bracket member made of a conductive material and provided with a plurality of wire fitting grooves into which a plurality of wires connecting a detonator and a blasting machine to each other is inserted, a lower casing member on which the wiring bracket member is positioned, and an upper casing member configured to cover an upper part of the lower casing member, wherein wire end insertion parts into which end sides of the wires are inserted are provided in an inside of the lower casing member, thereby greatly improving convenience in the work of connecting a blasting machine and a detonator to each other with the wire and reducing working time.

Dec 2, 2025

US12488513 - Weapon targeting system

A wearable electronic device displays an impact location that shows where a projectile fired from a weapon will hit a target and displays a bullseye location that shows a desired location where to hit the target. The wearable electronic device indicates firing the weapon when the impact location overlaps with the bullseye location.

Dec 2, 2025

US12489270 - Pointing devices, apparatus, systems and methods for high shock environments

Devices, apparatus, systems and methods for providing accurate linear and angular positioning with a payload mounted to a beam having freely moveable ends. The payload can be a laser pointer mounted on a firearm, which maintains the initial precise pointing during and after exposure in high G shock and vibration environments. Vertical and lateral adjustment controls can adjust minute changes in beam orientation. Precision adjustments can be performed in a zero G, one G, or high G environment and maintains the adjustment during and after being exposed to a high G shock or vibration environment.

Dec 2, 2025

US12489283 - Cable management system

A cable management device having a cap with cable channels and an aperture through which a plug is removably coupled to secure the cable management device into an accessory mounting slot. The cable channels can be open on a bottom of the device to accept one or more cables and capture them between the cable management device and a surface of the object with the accessory slots. The cable management device enables toolless installation, secured mounting in the absence of a cable, cable routing in multiple orientations and the ability to hold more than one cable at a time.

Nov 25, 2025

US12479709 - Pop-up apparatus

A pop-up apparatus is provided. The pop-up apparatus includes a base unit arranged on a reference surface and having a hollow portion formed therein, a pop-up unit formed to surround the base unit and reciprocating with respect to the base unit, a connection unit arranged on an upper end of the pop-up unit, a holder unit connected to the pop-up unit by the connection unit and configured to hold an object, and a gas generation unit arranged inside the base unit and configured to generate gas, wherein internal pressure of the base unit may increase due to the gas generated from the gas generation unit and the pop-up unit may be lifted.

Nov 25, 2025

US12480192 - Thick Al—Mg alloy rolled product suitable for armor plate applications

The disclosure relates to an aluminum alloy plate having a final thickness of 3 inch or more, and a method for manufacturing same. In the method, an aluminum alloy with a chemical composition of in weight percent: Mg 4.0 to 5.2, Mn 0.4 to 1.0, Zn≤0.3, Zr≤0.3, Cr≤0.3, Ti≤0.3, Fe<0.50, Si<0.45, Cu<0.25, other elements and unavoidable impurities each <0.05 total <0.20 balance aluminum, is cast, preheated and/or homogenized, hot rolled, cold rolled with a cold rolling reduction of 3 to 10%, and stretched directly after cold rolling with a permanent elongation of 0.7 to 5% in the direction of stretching.

Nov 25, 2025

US12480387 - Methods and devices for orienting perforated guns

Methods and devices for orienting multiple gun barrels in desired directions and configurations have the locking threads of the gun barrels and the sub bodies placed in specified locations. Thus, when the sub body and the two gun barrels are joined to each other, the scallops of the two gun barrels will be aligned with each other.

firearms gun barrels orientation
Nov 25, 2025

US12480388 - Propellant container for a perforating gun

A propellant container for a perforating gun includes a lower cap, one or more pieces of propellant positioned within the lower cap, wherein at least one of the one or more pieces of propellant defines one or more through-holes, and an upper cap matable with the lower cap to secure the one or more pieces of propellant within the lower cap. A filler material is present within interstitial spaces between the one or more pieces of propellant.

propellant perforating gun ammunition
Nov 25, 2025

US12480726 - Feed chute adapter

An adapter for a belt fed firearm. The adapter includes a plate, a cutout in the plate that allows ammunition to pass through the plate, a plurality of recesses for receiving a plurality of guide lips fixed to the firearm, and a plurality of bosses for receiving a plurality of latches fixed to a feed chute.

firearm belt-fed adapter
Nov 25, 2025

US12480727 - Ejector kits, assemblies, and methods of use

Kits for replacing the ejector of a shotgun include an ejector spring and a base member, where the base member is designed and adapted to be affixed to the interior surface of the receiver of the shotgun, and further to engage the ejector spring in a cantilevered tongue-and-groove (TAG) configuration. TAG ejector kits, TAG ejector assemblies, and TAG ejectors are suitably configured for operation in conjunction with pump action shotguns.

shotgun ejector kits firearm