Class 102/448 - Shot

Subclass of Class 102 - Ammunition and explosives
Definition: Subject matter wherein the cartridge is constructed so it
No. of patents: 66
Last issue date: 09/09/2008

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Number	Title	Issue Date
7422720	High density nontoxic projectiles and other articles, and methods for making the same High density, nontoxic projectiles and other articles, and their methods of manufacture, are disclosed. More particularly, high density nontoxic W—Cu—Ni—Fe alloy compositions, methods of their manufacture and methods by which they may be used as projectiles su...	09/09/2008
7415929	Systems with bore-launched projectiles Systems for launching one or more projectiles from a bore are provided. An exemplary system incorporates a shell, a projectile, an explosive charge and a wad. The shell includes a base and a casing, with the casing defining an interior. The projectile is located wit...	08/26/2008
7399334	High density nontoxic projectiles and other articles, and methods for making the same High density, nontoxic projectiles and other articles, and their methods of manufacture, are disclosed. More particularly, high density nontoxic W—Cu—Ni—Fe alloy compositions, methods of their manufacture and methods by which they may be used as projectiles su...	07/15/2008
7328658	Slug for industrial ballistic tool A frangible projectile for expelling from an industrial ballistic tool may be formed by a powder metallurgy process. A preferred embodiment of slug consists essentially of compacted and optionally sintered material and comprises up to 35% ferrotungsten in particulat...	02/12/2008
7267794	Ductile medium-and high-density, non-toxic shot and other articles and method for producing the same Density-enhanced compositions that are comprised of at least iron and tungsten, and articles, including firearm projectiles, formed therefrom. The articles have a density that exceeds that of steel, and which may be less than, equal to, or greater than that of lead....	09/11/2007
7207273	Buckshot round A buckshot round for use in large, smooth-barreled weapons, such as an M203 or M79 grenade launcher, wherein the round itself acts as the firing barrel. In particular, a lethal buckshot round is provided, wherein an inner metal cylinder (barrel portion) is encased i...	04/24/2007
7159519	Slug for industrial ballistic tool A frangible projectile for expelling from an industrial ballistic tool may be formed by a powder metallurgy process. A preferred embodiment of slug consists essentially of compacted and optionally sintered material and comprises up to 35% ferrotungsten in particulat...	01/09/2007
7073425	Method of making an environmentally safe substitute for lead shot A shot pellet that, has an inner core of a material such tungsten carbide, that is coated with a layer of bismuth. This coating is molecularly bonded to the tungsten carbide and is not an alloy. The unique properties of the shot pellet allow its density to be tailor...	07/11/2006
7059233	Tungsten-containing articles and methods for forming the same Tungsten-containing articles and manufacturing processes for tungsten-containing articles. The articles may include firearms projectiles, such as shot, shot slugs, bullets, big game bullets, lead-equivalent bullets, black powder bullets, etc.; radiation shields; and...	06/13/2006
7013786	Method of making an environmentally safe substitute for lead shot A shot pellet that, has an inner core of a material such tungsten carbide, that is coated with a layer of bismuth. This coating is molecularly bonded to the tungsten carbide and is not an alloy. The unique properties of the shot pellet allow its density to be tailor...	03/21/2006
7000525	Method of making an environmentally safe substitute for lead shot A shot pellet that, has an inner core of a material such tungsten carbide, that is coated with a layer of bismuth. This coating is molecularly bonded to the tungsten carbide and is not an alloy. The unique properties of the shot pellet allow its density to be tailor...	02/21/2006
6860207	Compressible shot shell A shot shell such as would be utilized in a shotgun or the like, wherein the cartridge forming the shell has a collapsible extension removably or permanently engaging the shot end of the cartridge, with the cartridge configured to provide a un-compressed length of, ...	03/01/2005
6823798	Tungsten-containing articles and methods for forming the same Manufacturing processes for articles that are formed from compositions of matter that include powders containing tungsten and at least one binder, as well as articles formed thereby. In some embodiments, the processes include compacting the mixture of powders under ...	11/30/2004
6576598	Ballistics conditioning Compositions and methods for ballistic conditioning firearm projectiles, firearms, and firearm components such as bores of barrels, by applying to such items a conditioning composition selected from the group consisting of hexagonal boron nitride, graphit...	06/10/2003
6502516	Sabot shotgun slug assembly A projectile in the form of a sabot shotgun slug assembly includes a cylindrical slug, a cylindrical sabot positioned about the slug and a pressure wad co-acting with the slug and the sabot. The cylindrical slug defines a central bore extending partially ...	01/07/2003
6481356	Bullet setting out mechanism for hunting cartridges A cartridge including a cartridge case for hunting cartridges including a plastic sole body with a first sector forming a wad having an upper damping formed by two parallel cylindrical bodies acting with a balancing effect on a first plate with motion to ...	11/19/2002
6453820	Rotating tubular projectile A rotating tubular projectile for increasing the stability of the projectile and the accuracy of the firearm. The rotating tubular projectile includes a cylindrical body having an open first end. The cylindrical body has an axial passageway that extends t...	09/24/2002
6439126	Enhanced kinetic energy projectile A steel projectile assuming the general shape of a teardrop compensates for the lower density of the material as compared to lead and still achieves penetration into the target that is comparable to spherical lead pellets. Additional benefit of the elonga...	08/27/2002
6439124	Lead-free tin projectile There is provided a lead-free projectile suitable for use as a bullet to be fired from a pistol or rifle or as a slug to be fired from a shotgun. The projectile core is formed from a high purity tin and has deformation properties similar to that of lead b...	08/27/2002
6367387	Low-calibre shot gun bullet, especially for shot guns with a partially or fully distended barrel The present invention relates to an under-calibered gun-barrel bullet, in particular for guns with a partially or fully rifled barrel, which is received by a thrust cage. The task of the present invention is providing a further such gun-barrel bullet. Thi...	04/09/2002
6173652	Environmentally sealed shot Shot having a lead or lead alloy core is sealed from the outside by at least one non-toxic layer which protects the environment from lead waste toxicity and which includes an abhorrent material to act as a repellant for preventing or deterring birds from ...	01/16/2001
6105506	Sabot slug for shotgun A sabot bullet having a jacket bullet body and a nonrotable sabot segments. The jacketed bullet has forward end portion, torso, and rear end portion. The forward end portion is constructed of multi-metals, having a tapered nose, hollow point with grooves ...	08/22/2000
6101949	Non-toxic composite projectiles having a biodegradable polymeric matrix for hunting or shooting cartridges Composite spherical projectiles are provided for shotgun cartridges which are environmentally compatible, relatively inexpensive and have ballistic properties similar to lead shot or projectiles and which consist of metal particles dispersed in a biograda...	08/15/2000
5837927	Reversible pellet orienting wad for shotshell A pellet orienting member has a groove extending along a diameters of a disc for receiving a plurality of shot pellets of a first layer. The pellet orienting member may include at least one support surface adjacent to the first groove adapted to contact a...	11/17/1998
5834681	Reloadable high-low pressure ammunition cartridge A high-low pressure ammunition cartridge includes a case containing a gas expansion chamber and a missile chamber separated from each other by a pressure containment wall containing one or more pressure control ports providing fluid communication between ...	11/10/1998
5831188	Composite shots and methods of making Methods of making high specific gravity shotgun shot and small arms projectiles from melts containing primarily tungsten and iron, and particularly including specific melting temperature depressants and using specific quenching both compositions are descr...	11/03/1998
5831205	Reversible pellet orienting wad for shotshell A pellet orienting member has a groove extending along a diameters of a disc for receiving a plurality of shot pellets of a first layer. The pellet orienting member may include at least one support surface adjacent to the first groove adapted to contact a...	11/03/1998
5824944	Metallic slug for industrial ballistic tool A projectile for an industrial ballistic tool is formed from zinc or a zinc based alloy. The projectile has symmetry about a longitudinal axis and a rear portion of the projectile engages rifling, either within the barrel of the industrial ballistic tool ...	10/20/1998
5760331	Non-lead, environmentally safe projectiles and method of making same A projectile, such as a bullet, is made by combining two different metals in proportions calculated to achieve a desired density, without using lead. A base constituent, made of a material having density greater than lead, is combined with a binder consti...	06/02/1998
5719352	Low toxicity shot pellets Low toxicity shot or pellets for shotgun cartridges or the like comprises finely divided metallic particles, preferably a mixture of finely divided molybdenum and tungsten particles in a polymer matrix. The resulting pellets have a high density and are mu...	02/17/1998
5710391	Recoil reducer wad for ammunition Ammunition cartridges are disclosed comprising means for reducing recoil fed to a weapon on discharge of a cartridge. The recoil reducing means comprises non-supportive material between a propellant charge and an end plate of the cartridge in which energy...	01/20/1998
5540749	Production of spherical bismuth shot A method is provided for producing bismuth and bismuth alloy shot particles by a procedure whereby molten bismuth at a temperature less than about 100° C. above the melting point of the bismuth is used to form drops of molten bismuth which fall through a...	07/30/1996
5527376	Composite shot Shot pellet or small arms projectile comprises 40-60% by weight of tungsten and 60-40% by weight of iron formed by sintering tungsten containing powders having median particle sizes below 6 microns to form a material consisting primary of an intermetallic...	06/18/1996
5408931	Shotgun ammunition Ammunition is disclosed for firing a shotgun slug from a rifled shotgun having a range of about 300 meters. The shotgun ammunition comprises a cartridge, propellant, a fiber wad, and a slug. The slug includes a nose having a parabolic cross-section, a fru...	04/25/1995
5399187	Lead-free bullett A composite lead-free bullet is disclosed comprising a heavy constituents selected from the group of tungsten, tungsten carbide, carballoy, and ferro-tungsten and a second binder constituent consisting of either a metal alloy or a plastic blend....	03/21/1995
5339743	Ammunition system comprising slug holding sabot and slug type shot shell An ammunition system having a sabot with spaced segments forming a cavity for receiving a slug, the segments have projections that interlock on a ledge on the slug. The sabot segments are undercut to facilitate the segments bending outwardly to release th...	08/23/1994
5293822	Defensive shooting projectile This invention, a projectile, when used in standard issue handguns, rifles and shotguns was designed to address the problem of over penetration and possible ricochet when used in law enforcement work. The projectile comprises a hollow tubular body having ...	03/15/1994
5264022	Composite shot Lead free shotshell pellets are disclosed which consist essentially of an alloy of iron and 30 to 46% by weight of tungsten. The shotshells may include a plurality of pellet sizes, and the pellets may be coated substantially uniformly with a polymeric coa...	11/23/1993
5239928	Reloadable slug assembly and method for making same A slug assembly is disclosed which is easily reloadable and which has enhanced features for achieving an accurate and dependable flight path when fired from a firearm. The slug assembly includes a hull, a projectile assembly, and a wad assembly, wherein t...	08/31/1993
5214238	Sabot for chambering conventional bullets in a shotgun A sabot for retaining therein a conventionally shaped tapered-nose bullet when the sabot is seated in place in a shotgun shell casing, so that the shotgun can be used to fire conventional lead or copper jacketed lead bullets in a shotgun. The sabot includ...	05/25/1993

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Class 102/448 - Shot