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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7984675 | Propellant sealing system for stackable projectiles A projectile for use in a barrel with stacked projectiles, particularly for a weapon which can be reloaded by a user in the field. The projectile includes a chamber containing a propellant charge, with an exit from the chamber for release of propulsion gases into th... | 07/26/2011 |
| 7823509 | Flechette cartridge A flechette cartridge is provided, containing a plurality of flechettes, capable of firing the flechettes in a concentrated and accurate spread pattern upon firing. In particular, both low and high velocity flechette cartridges are provided, which accurately dispers... | 11/02/2010 |
| 7743705 | Propellant sealing system for stackable projectiles A projectile for use in a barrel with stacked projectiles, particularly for a weapon which can be reloaded by a user in the field. The projectile includes a chamber containing a propellant charge, with an exit from the chamber for release of propulsion gases into th... | 06/29/2010 |
| 7707941 | Cartridge assembly for multiple projectiles A cartridge assembly (10) for firearms or weapons, said cartridge assembly including a support body (11) having a central longitudinal channel (16) housing a plurality of projectiles (20, 22, 24) in end-to-end orientation and having a plu... | 05/04/2010 |
| 7631600 | Target interception A projectile deployment system for use in intercepting a target (32) wherein the system includes a body (10) defining a body axis, and a number of barrels (30) circumferentially spaced around the body axis. Each of the barrels (30) contai... | 12/15/2009 |
| 7475635 | Projectile sealing arrangement A projectile sealing arrangement for a barrel assembly of a weapon wherein a plurality of projectile assemblies (10) are axially disposed in abutting relationship within a barrel (20), each projectile assembly (10) including a body (11) a... | 01/13/2009 |
| 7475636 | Projectile with selectable kinetic energy A projectile having variable kinetic energy contains multiple propellant charges (14) that are able to be individually selected for ignition. Each charge (14) has a selectable initiator (15) that may be triggered by a wired or wireless firing sy... | 01/13/2009 |
| 7464649 | Cartridge assembly for multiple projectiles A cartridge assembly (10) for firearms or weapons, said cartridge assembly including a support body (11) having a central longitudinal channel (16) housing a plurality of projectiles (20, 22, 24) in end-to-end orientation and having a plu... | 12/16/2008 |
| 7395762 | Projectile for rapid fire gun An ammunition system for a rapid fire gun. The ammunition system includes a bullet having a tip that is stored in a retracted position and during flight is deployed to create an aerodynamic shape. Another aspect of the ammunition system is that the bullet has a cyli... | 07/08/2008 |
| 7373884 | Rapid-fire weapon A rapid-fire weapon has a barrel with a projectile insertable into the barrel, which comprises several sub-projectiles disposed one behind the other in the longitudinal direction of the barrel and supporting each other. A propellant charge and an ignition means are ... | 05/20/2008 |
| 7357082 | Modified shotgun and modified shotgun shell ammunition A shotgun which allows its operator to fire modified ammunition rounds as either slug rounds or rounds of shot. The shotgun is modified by the addition of components creating an electric circuit in the shotgun. The modified ammunition rounds contain a modified slug ... | 04/15/2008 |
| 7327549 | Systems and methods for target impact An apparatus for impact with a target includes electrodes deployed after contact is made between the apparatus and the target. Spacing of deployed electrodes may be more accurate and/or more repeatable for more effective delivery of an immobilizing stimulus signal. | 02/05/2008 |
| 7314006 | Nonlethal canister tank round A nonlethal canister tank round comprising a cartridge having a combustible case and containing propellant; a canister projectile attached to the cartridge, the canister projectile being generally cylindrical, comprising high density polyurethane foam and including ... | 01/01/2008 |
| 7278358 | Non-lethal marking bullet for related training cartridges A projectile of non-lethal composition includes an outer casing that is substantially sealed prior to impact with a target both when the projectile is in a static condition and when the projectile is in a dynamic condition. A marking material is encapsulated within ... | 10/09/2007 |
| 7240601 | Projectile and method for sealing a projectile in a barrel A barrel assembly for a weapon, said barrel assembly including a barrel; a plurality of projectile assemblies axially disposed in end to end abutting relationship within said barrel for operative sealing engagement with the bore of the barrel, each projectile includ... | 07/10/2007 |
| 7237490 | Expanded volume less lethal ball type projectile A close range munition for firing from a bore of a weapon. The munition includes a spherical projectile having a central core and a plurality of uniformly radially extending resilient filaments defining an outer diameter. The outer diameter of the projectile is grea... | 07/03/2007 |
| 7225742 | Arrow-shaped bullet, ammunition cartridge using same, and method of manufacturing same The invention relates to ammunition for fire and pneumatic smoothbore weapon and can be used for producing bullets for hunting and sporting guns. The inventive method consists in deforming the rear part of a tubular blank in such a way that an aerodynamic empennage ... | 06/05/2007 |
| 7225741 | Reduced energy training cartridge for self-loading firearms A two piece, two-stage, rechargeable, reusable, reduced-energy mechanically operating cartridge is provided for launching a bullet of various compositions from a dedicated or modified firearm. The cartridge unit is comprised of a primary case, a piston sleeve, a pro... | 06/05/2007 |
| 7210410 | Multi-projectile less lethal and breaching ammunition A cartridge includes a segmented elastomeric projectile and associated motion transfer member. The motion transfer member includes a cutting surface to separate the projectile segments when deployed. In a preferred embodiment, a cartridge includes a plurality of seg... | 05/01/2007 |
| 7210412 | Sleeved projectiles Projectile (10) is for use with barrel assemblies of the type having a plurality of axially disposed projectiles within a bore and wherein discrete propellant charges are provided for propelling respective projectiles sequentially from the bore. Projectile ( | 05/01/2007 |
| 7194945 | Projectile firing apparatus A barrel assembly with a barrel is provided. The barrel comprises a plurality of external chambers containing respective propellant charges, a plurality of projectiles stacked nose to tail within the barrel and comprising respective expansion spaces for propellant g... | 03/27/2007 |
| 7143697 | Apparatus and method for identifying ammunition The present invention is directed to identifying ammunition. In one embodiment, an identifiable ammunition cartridge includes a bullet having a first identification surface, a casing having a second identification surface, and an identifying code positioned on at le... | 12/05/2006 |
| 7089863 | Non-Lethal cartridges with dense powder ballast A non-lethal cartridge having sufficient discharge energy for use, without modification, in conventional firearms. When used with a firearm with a rifled barrel, the cartridge comprises a non-lethal projectile having a grooved outer surface and a dense powder ballas... | 08/15/2006 |
| 7075770 | Less lethal weapons and methods for halting locomotion A hand-held stun gun incapacitates a human target by generating a series of powerful electrical output pulses of pulse energy of from 0.9 Joules to 10 Joules which generate a series of output current pulses have an RMS current flow of from 100 milliamps to 500 milli... | 07/11/2006 |
| 7065915 | Electric shock gun An electric shock gun includes a barrel for receiving electrode bullets and a trigger which controls a firing device received in a rear end of the gun. The firing device includes an electric power source and a charging device. Each electrode bullet has two spines on... | 06/27/2006 |
| 7063021 | Expanded volume less lethal ball type projectile A close range munition for firing from a bore of a weapon. The munition includes a spherical projectile having a central core and a plurality of uniformly radially extending resilient filaments defining an outer diameter. The outer diameter of the projectile is grea... | 06/20/2006 |
| 7059316 | Paintball shooting structure for a paintball gun A paintball shooting structure includes a cartridge in combination with a percussion device to receive multiple paintballs therein and is provided for a paintball gun. When an impact section of a firing pin of the percussion device is struck, the striking force push... | 06/13/2006 |
| 7042696 | Systems and methods using an electrified projectile An apparatus for immobilizing a target includes electrodes deployed after contact is made between the apparatus and the target. Spacing of deployed electrodes may be more accurate and/or more repeatable for more effective delivery of an immobilizing stimulus signal.... | 05/09/2006 |
| 7017495 | Gun firing method for dispersion of projectiles in a pattern A method for the dispersion of projectiles from guns capable of firing multiple projectiles in rapid succession whereby some of the projectiles are modified by moving the center of mass of the projectile away from it's central axis and oriented prior to firing. This... | 03/28/2006 |
| 7007608 | Flechette packing assembly A flechette packing assembly utilizing a flechette projectile having its aerodynamic stabilization elements within the body mass and below the body surface with a packing orientation of a 90-degree right angle to the intended axis of projection. The packing assembly... | 03/07/2006 |
| 6973878 | Warhead with aligned projectiles A kinetic energy rod warhead with aligned projectiles includes a projectile core in a hull including a plurality of individual projectiles and an explosive charge in the hull about the core. The individual projectiles are aligned when the explosive charge deploys th... | 12/13/2005 |
| 6966265 | Unit of ammunition with one or more warhead casings An ammunition device (4) comprising one or more warhead effect jackets (17), each jacket containing warhead effect elements (18). The ammunition device also incorporates one or more explosive compositions arranged inside each warhead effect jack... | 11/22/2005 |
| 6931994 | Tandem warhead A tandem warhead for destroying a target, the tandem warhead including a kinetic energy rod section with a plurality of lengthy individual projectiles, a blast fragmentation section deployable proximate the target, and a guidance subsystem for deploying the projecti... | 08/23/2005 |
| 6862996 | Projectile for rapid fire gun An ammunition system for a rapid fire gun. The ammunition system includes a bullet having a tip that is stored in a retracted position and during flight is deployed create an aerodynamic shape. Another aspect of the ammunition system is that the bullet has a cylindr... | 03/08/2005 |
| 6860187 | Projectile launching apparatus and methods for fire fighting A method of target specific fire fighting including the steps of providing a barrel assembly, suitably in a pod, which is capable of firing a plurality of projectiles. Each projectile having containment for matter or objects to be delivered to a target fire; loading... | 03/01/2005 |
| 6431076 | Firearms A method of minimising misfiring or alleviating their consequences is provided by forming at least each trailing projectile (30) in a series of housed projectiles with a sealing portion (34) extending about a tapered anvil portion (31) and moveable therea... | 08/13/2002 |
| 6343553 | Firearms This invention provides a projectile assembly (10) having a body part (14) including a trailing portion (19) which reduces in diameter rearwardly and supports a sealing band (16) having a substantially cylindrical outer face for engagement with the bore (... | 02/05/2002 |
| 6301819 | Barrel assembly with axially stacked projectiles A barrel assembly (10) having a plurality of projectiles (11) stacked axially within the barrel (12) together with discrete selectively ignitable propellant charges (13) for propelling the projectiles (11) sequentially through the muzzle of the barrel (12... | 10/16/2001 |
| 6123007 | Barrel assembly A barrel assembly includes a barrel and a plurality of projectile assemblies disposed in end to end abutting relationship within the barrel and forming a compression resistant column of projectile assemblies. Each projectile assembly includes a projectile... | 09/26/2000 |
| 6109185 | Anti-armor projectile with autonomous, attachable, precursor warhead Anti-armor projectiles comprising a main projectile having a single warhe and an additional autonomous precursor warhead which is stowed with the main projectile and attached to the main projectile just before firing, thereby providing a tandem warhead c... | 08/29/2000 |
