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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7451707 | Gun barrel cleaning device The present gun barrel cleaning device provides a special cartridge with a casing filled with a carbon dioxide charge which forwardly propels a push pin having a sliding seal near the firing pin and a two-pieced break-away seal at the opposite end, which separates t... | 11/18/2008 |
| RE40482 | Practice ammunition A practice ammunition projectile comprises a head which bursts when the projectile strikes a target and contains a marking agent which optically indicates the point of impact after the head has burst. The marking agent consists of several chemical components (7, ... | 09/09/2008 |
| 7418904 | Inert ballistic element and process of manufacture The invention relates to an inert ballistic element and to a method for manufacturing it. Said method comprises the steps of: preparing a cylindrical tube, the ratio between the thickness and the outside diameter of said tube being equal or greater than 0.07; heatin... | 09/02/2008 |
| 7395763 | System and method for introducing a cleaning element into the barrel of a paintball marker An assembly and method for cleaning the barrel of a pneumatic gun, such as a paintball marker. A supply magazine is provided that contains a plurality of loading ports. Each loading port is filled with a cleaning projectile. The supply magazine is attached to a pneu... | 07/08/2008 |
| 7353756 | Lead free reduced ricochet limited penetration projectile A frangible projectile with a specific gravity similar to a lead projectile. The projectile comprises 34-94%, by weight, binder. The binder comprises poly ether block amide resin. The projectile further comprises 6-66%, by weight, ballast. The ballast comprises at l... | 04/08/2008 |
| 7337725 | Non-lethal ammunition projectile The present invention relates to a projectile (1) for non-lethal ammunition of a body that is composed of a first portion (2) and a second portion (4). Said first portion (2) has a larger mass that the second portion (4), so as to ... | 03/04/2008 |
| 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 |
| 7322296 | Training grenade A training grenade includes a main body, a cartridge chamber removably connected to the main body, a firing pin mechanism for actuating the cartridge and a toggle for operating the firing pin mechanism, the toggle being contained within the main body. ... | 01/29/2008 |
| 7322297 | Cannelured frangible projectile and method of canneluring a frangible projectile A method of canneluring a frangible projectile includes the steps of rotating the projectile at a high speed, and cutting the cannelure into the projectile to form a frangible cannelured projectile. To ensure that the body is not damaged during cutting, the cutting ... | 01/29/2008 |
| 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 |
| 7302891 | Firearm projectile with enhanced aerodynamic properties A firearm projectile includes a central section, a forward or leading section, and a rear or trailing section. A step down is provided between the central section and the trailing section such that the cross sectional area of the trailing section is less than the cr... | 12/04/2007 |
| 7287475 | Reloadable non-lethal training cartridge A reloadable non-lethal training cartridge is provided comprising a cartridge case, a rear high pressure chamber removably disposed within the base thereof, and a non-lethal payload portion removably disposed adjacent the forward end of the cartridge case. The rear ... | 10/30/2007 |
| 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 |
| 7275486 | Hand grenade simulating device A hand grenade simulating device includes a first shell filled with a marking filler, a second shell disposed in the first shell for receiving a percussion-triggered charge, a striking member which is remote from the charge in a ready position and which is movable t... | 10/02/2007 |
| 7237489 | Projectile head for a training cartridge A projectile head is provided for a training cartridge having a propulsion unit, with an integrated projectile tail section, which can be used equally for training cartridges as well as combat cartridges of the same caliber size, wherein the projectile tail section ... | 07/03/2007 |
| 7228802 | Reuseable projectile A projectile comprising a shaft hollowed at one end with a male thread at the outer, or head, end. A plurality of fins are secured around the circumference adjacent the first shaft end or base, the fins being slightly canted to cause the projectile to spin as it lea... | 06/12/2007 |
| 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 |
| 7217389 | Tungsten-containing articles and methods for forming the same Articles formed from powders containing tungsten and at least one binder. In some embodiments, the article contains at least one metallic binder. In some embodiments, the article contains at least one non-metallic binder, such as a polymeric binder. In some embodime... | 05/15/2007 |
| 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 |
| 7207276 | Non-lethal ammunition utilizing a dense powder ballast and a two-stage firing sequence A non-lethal ammunition utilizes dense powder ballast and a two-stage firing sequence for launching non-lethal projectiles of a caliber range from approximately 5.56 mm through approximately 40 mm. The non-lethal ammunition comprises a non-lethal cartridge. The non-... | 04/24/2007 |
| 7204191 | Lead free, composite polymer based bullet and method of manufacturing A lead-free, composite polymer based bullet and cartridge case and methods of manufacturing the same, wherein the composite polymer material includes a tungsten metal powder, nylon 6/6, nylon 6, short glass fibers, as well as additives and stabilizers. The cartridge... | 04/17/2007 |
| 7197986 | Composite steel and ceramic gun barrels A method for lubricating gun barrel bores comprises burnishing dry lubricating ceramic particulate into the metal surface of the bore such that the particles of particulate substantially fill grain boundaries in the metal. The burnishing of the particulate may be do... | 04/03/2007 |
| 7194960 | Non-lethal projectiles for delivering an inhibiting substance to a living target Projectile systems are provided herein employing an inhibiting and/or marking substance for impairing/marking a living target, such as a human or animal target. In preferred embodiments, the projectile system includes a generally frangible projectile that is optimal... | 03/27/2007 |
| 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 |
| 7150234 | Finless training projectile with improved flight stability over an extended range A finless cone-nosed, ogival-nosed, or combination ogive-cone nosed training projectile is statically stable, yet has adequate spin rate to compensate for aerodynamic or mass asymmetries. In addition, the training projectile can be fired from smooth bore or rifled c... | 12/19/2006 |
| 7131381 | Shotgun cleaning shell device A Shotgun Cleaning Shell for cleaning the bore of a shotgun, wherein the shell comprises: a cylindrical shell case, a head connected to an end of the case, a seal connected to the other end of the case, a bead contained within the case, a cord wherein an end of the ... | 11/07/2006 |
| 7090163 | Methods and apparatus for increasing aerodynamic performance of projectiles A method for enhancing an aerodynamic performance of an unmanned projectile. The method including at least one of the following: (a) morphing a cross-sectional shape of the projectile after launch thereof; (b) morphing a longitudinal shape of the projectile after la... | 08/15/2006 |
| 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 |
| 7059251 | Propelling charge support for a mortar cartridge A propelling charge support comprises horseshoe-shaped clips for engaging the tail fin and holding the propelling charges together for protection, a rounded saddle for holding the propelling charges of the cartridge, and winged edges to protect the propelling charge... | 06/13/2006 |
| 7000524 | Method for manufacture of a multi-part projectile for gun ammunition and product produced thereby A method for the manufacture of a projectile for small-bore weapons ammunition comprising the steps of producing a compact from a mixture of a heavy metal powder and a light metal powder at room temperature, and without further treatment of the compact, introducing ... | 02/21/2006 |
| 6983700 | Variable drag projectile stabilizer for limiting the flight range of a training projectile A variable drag projectile stabilizer is utilized by a training projectile to match the trajectory of a tactical projectile for up to 3 km while having a range limitation of 8 km. The stabilizer applies supersonic flow phenomena to alter the aerodynamic characterist... | 01/10/2006 |
| 6972659 | Reusable shape memory alloy activated latch A mechanical release mechanism is provided. The mechanical release mechanism includes two structural members in slideable relation one to another. A latch holds one structural member in a latched position relative to the other structural member. A shape memory alloy... | 12/06/2005 |
| 6959648 | Ammunition cartridge An ammunition cartridge having a bullet with a curved front end terminating in a flat nose normal to the longitudinal axis of the bullet and a casing attached to the rear end of the bullet is disclosed. The nose is provided with a centrally disposed projection and a... | 11/01/2005 |
| 6938552 | Corrosion-resistant structure incorporating zinc or zinc-alloy plated lead or lead-alloy wires and method of making same Structure incorporating lead is fabricated from specially prepared components such that mobility of the lead is impeded when the structure is exposed to an unprotected environment such as weathering outdoors or saltwater. In a preferred embodiment, a bullet or bulle... | 09/06/2005 |
| 6935217 | Projectile jacket having frangible closed end and method of manufacture A frangible projectile for gun ammunition wherein the projectile includes a core 96 formed from one or more metal powders which are pressed into a self-supporting compact and incorporated into a metal jacket 10. The metal jacket is initially cup-shaped... | 08/30/2005 |
| 6928812 | SMA actuator safety mechanism A method and apparatus for preventing the unintended activation of SMA devices by ambient temperatures that exceed the phase transition temperature of the SMA material itself. In one embodiment a passive actuator is coupled to an active actuator, each having identic... | 08/16/2005 |
| 6892647 | Lead free powdered metal projectiles Lead free projectiles having a density less than lead, including preferred embodiments comprising a low ductility metal powder and a high ductility metal powder. ... | 05/17/2005 |
| 6745698 | Projectile jacket having frangible closed end A frangible projectile for gun ammunition wherein the projectile includes a core formed from one or more metal powders which are pressed into a self-supporting compact and incorporated into a metal jacket. The metal jacket is initially cup-shaped (generally cylindri... | 06/08/2004 |
| 6691623 | Frangible powdered iron projectiles A frangible projectile comprising cold compacted powdered iron and a method for manufacturing is disclosed. The projectile is useful for target and training applications.... | 02/17/2004 |
| 6629669 | Controlled spin projectile A projectile and a method of launching a projectile from a barrel. The projectile of the present invention may be matched to a pre-selected barrel rifling to produce a controlled spin rate. Controlled spin rate is characterized by substantially balanced f... | 10/07/2003 |
