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| Number | Title | Issue Date |
| 7430825 | Multi-shot ring airfoil projectile launcher The invention is a multi-shot launcher adapted to launch ring airfoil projectiles. Each ring airfoil projectile is coupled to a sabot, the ring airfoil projectile and sabot mounted to a housing in a cartridge form. The cartridge has a length which is less than its d... | 10/07/2008 |
| 7377204 | Safer munitions with enhanced velocity An apparatus and process for providing exceptionally high velocity projectiles and safer, more accurate munitions. Inefficiencies in explosive oxidation rates and initial resistance to velocity acquisition are overcome. ... | 05/27/2008 |
| 7237353 | Muzzle break with gas relief membrane for an underwater gun A muzzle break for a gun comprising a baffle, a series of slots in the housing of the muzzle break in which the slots exhaust gas of a pressure wave deflected by the baffle during firing of the gun. A membrane seals the slots for underwater use and is separable by t... | 07/03/2007 |
| 6516698 | Muzzle brake for firearm A firearm muzzle brake for utilization for a projectile surrounded by a sabot includes an outer housing, a baffle received within the outer housing and having a bore extending therethrough, and an inner core received within the bore of the baffle and havi... | 02/11/2003 |
| 6192612 | Propulsion device A propulsion device including a fuel chamber and barrel constructed with off-the-shelf parts for propelling biodegradable objects. The fuel chamber includes a fuel nozzle actuator for receiving fuel from a pressurized gaseous container. The fuel chamber a... | 02/27/2001 |
| 6112447 | Shotgun choke A shotgun choke characterized by multiple, radially-arranged, longitudinal blades having blade edges of selected size and shape for contacting and scoring a wad containing the shot in a shotgun shell, causing the wad panels to open upon expulsion from the... | 09/05/2000 |
| 6065384 | Variable velocity weapon system having selective lethality and methods related thereto The present invention relates to weapon systems that accelerate projectiles using gases generated by the rapid combustion of a solid propellant, in particular, such a weapon system is able to vary the barrel exiting velocity of the projectile through a ba... | 05/23/2000 |
| 5966858 | Baffled muzzle brake and seal system for submerged gun operation A baffled muzzle brake and seal system for submerged gun operation includes a muzzle brake chamber mounted to the muzzle of a submerged gun barrel. A baffle assembly mounted within the chamber deflects the propellant gasses produced by operation of the... | 10/19/1999 |
| 5528974 | Sabot separator for projectile accelerator A sabot separator includes a sabot separation cylinder equipped with a pair of rail electrodes extending axially and connected with a muzzle end of a barrel of a projectile accelerator. An electrical power source is connected between the rail electrodes a... | 06/25/1996 |
| 5479736 | Augmented service pistol and ammunition weapons system An augmented service pistol weapons system and ammunition has an extended barrel and an adapter sleeve and mount which supports the barrel and partially surrounds a forward end of the service pistol. Two hinged flaps have inward extending clamps which eng... | 01/02/1996 |
| 5452535 | Shotgun shell wad/shot cup retarding device A shot cup retardation device including circumferentially spaced and radially protruding ridges, pins, studs, or set screws; or an applied grit around an inner circumference of a barrel; or a plurality of continuous circumferential ribs arranged axially s... | 09/26/1995 |
| 5421237 | Acceleration apparatus The invention relates to an acceleration apparatus comprising an accelerator surrounding an acceleration path with the exception of at least its mouth-side end and an acceleration body which is configured for guided and accelerated motion along the accele... | 06/06/1995 |
| 5309814 | Home security barrel assembly Gases of combustion vented from the bore of a shotgun barrel in spaced relation to the muzzle travel along one or more passageways externally of the barrel and are discharged externally of the barrel and ahead of the muzzle in a generally transverse direc... | 05/10/1994 |
| 4934243 | Electromagentic projectile launcher An electromagnetic projectile launcher (commonly referred to as a "railgun") consists of an electrical direct current power supply, two parallel rails (52), and switching armature (54) releasably linked to a projectile armature (56), each armature being s... | 06/19/1990 |
| 4831913 | Projectile with a detachable header for electromagnetic launcher A projectile suitable for use with an electromagnetic launcher or railgun. he projectile has a detachable conductive header portion which mates closely with and is restrained by one of the rails of a railgun. The header eliminates arcing and rail damage. T... | 05/23/1989 |
| 4753152 | Arrangement for braking a sabot To brake a sabot accelerated in a launcher of a recoiless rifle tube a mandrel shaped braking sleeve is disposed in the tube and an intermediate space is provided between a tapered surface of the mandrel and the tube into which the material of the front e... | 06/28/1988 |
| 4656919 | Sabot/gun gas diverter An improved sabot fragment and gun gas diverter of particular utility in conjunction with a rotatable multiple barrel gun is described, which comprises, a diverter member mounted forward of the barrels for rotation therewith and defining a generally conic... | 04/14/1987 |
| 4553480 | No flash, very low noise howitzer round and tube The device is a very low noise, no muzzle flash howitzer round and matching tube. It comprises a case, a propellant, a projectile, and a plunger which launches the projectile from the case. With a mount and breech it provides a way of firing projectiles s... | 11/19/1985 |
| 4534265 | Sabot diverter A sabot fragment diverter deflects selected sabot fragments discarded by ot type ammunition in a directionally controlled manner to prevent direct fragment impact with the firing platform or impact of a deflected fragment with the projectile from which i... | 08/13/1985 |
| 4497239 | Muzzle ejecting sabot cartridge firearm system A muzzle ejecting sabot cartridge firearm system for use in a weapon having an elongated gun barrel, an action mechanism, and an elongated bolt mounted within the bore of the action mechanism. The bore of the action mechanism and the bore of the gun barre... | 02/05/1985 |
| 4446771 | Projectile firing weapon with wad discharge port A repeating or self-loading firearm has a discharge port between the firing chamber and the breech end of the barrel bore so that a piston inside the cartridge may discharge therethrough upon firing. Rapid, prolonged firing is possible due to a refrigerat... | 05/08/1984 |
| 4385561 | Launch tube bore rider Apparatus for centering the aft end of a missile in a telescoping launch e including equally spaced bore rider members bonded in the detent groove of a missile at the aft end of the missile. Each bore rider member includes upper and lower portions having... | 05/31/1983 |
| 4148244 | Apparatus for braking a free piston, which is driven at high acceleration within a tube An apparatus for braking a free piston which is driven at a high acceleran within a tube and, particularly, in a recoilless firearm, comprises a tube which has a first portion of a first diameter and a second portion of a second diameter greater than the... | 04/10/1979 |
| 4132148 | Expellable reaction mass for recoilless projectile launchers A reaction mass for a launching tube having a centrally positioned propellant charge for propelling a missile at its forward end and a reaction mass located rearwardly of the propellant charge which is propelled at the rear end, comprises an inert, readil... | 01/02/1979 |
| 4126955 | High velocity tapered bore gun and ammunition A high velocity gun and ammunition wherein the projectile is encased in a formable material which is squeezed in the tapered bore of the gun to more efficiently utilize expansion gases for accelerating the projectile.... | 11/28/1978 |
| 4069739 | Liquid propellant weapon systems A gun and ammunition system utilizing a round of ammunition which contains a supply of liquid propellant and after ignition pumps this propellant into the combustion chamber of the gun.... | 01/24/1978 |
| 4040331 | Dual purpose projectile and weapon combination Disclosed is a dual purpose projectile and weapon combination whereby an individual can select one of two different projectile configurations and consequent performance characteristics when firing a single projectile from the weapon. In one projectile con... | 08/09/1977 |
| 4022103 | Gas dynamic sabot stripper A sabot stripper for stripping a sabot within its confines without rotatil forces or mechanical contact, having a gas restricting chamber of a uniform diameter greater than the bore diameter of a weapon, connected to the bore of the weapon by a transitio... | 05/10/1977 |
