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| Number | Title | Issue Date |
| 7905178 | Methods and apparatus for selectable velocity projectile system Methods and apparatus according to various aspects of the present invention comprise a propelling system for propelling projectiles with variable velocity. In one embodiment, a cartridge comprises a cartridge case, the propelling system, and the projectile attached ... | 03/15/2011 |
| 7793591 | Projectile having ignitable payload with delay column igniter A modified projectile round which is configured to function with a propellant cartridge such as described in U.S. Pat. No. 7,004,074. The projectile assembly uses a High-Low gas pressure cartridge to launch the projectile. When the high pressure cartridge is ignited... | 09/14/2010 |
| 7712417 | Axial modular propulsion charge design for semi-fixed ammunition A modular propellant charge for semi-fixed ammunition is disclosed. The propellant charge is disposed within an ammunition cartridge canister, and permits direct access to each charge increment. Further, the propellant charge comprises at least one charge increment ... | 05/11/2010 |
| 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 |
| 7150409 | Injection systems The invention in general relates to various injection systems and devices that can be used, for example, in needleless injection systems for human, and for domestic and farm animals. In certain embodiments, the invention provides an injection device comprising: an i... | 12/19/2006 |
| 7073447 | Electro-thermal chemical igniter and connector An ETC igniter and compatible electrical connector for enabling an ETC gun to be used in a battlefield setting in close proximity with personnel and sensitive electronic equipment. This is accomplished by providing a current path to and from the igniter that is elec... | 07/11/2006 |
| 6502514 | Firearm cartridge having a plurality of ignition primer chambers and associated methods for reducing the likelihood of misfire and cold shot and enhancing rapid and reliable firing A multi-ignition cartridge and associated methods for use with a firearm are provided. The cartridge preferably includes a casing having an interior cavity which at least partially encloses at least one projectile. Chances of misfire and cold fire are sub... | 01/07/2003 |
| 6354218 | Propellant for large-caliber ammunition A propellant system for launching a large-caliber projectile includes a propellant having at least three partial charges. The first partial charge is adapted to acceleration requirements of the projectile; the second partial charge has a higher combustion... | 03/12/2002 |
| 6209460 | Propelling material formed in strips for use in large caliber guns The invention provides an improved propellant system for firing projectiles in large caliber guns. Strips of energetic propellant are placed in the cartridge case so that the lengths of the strips are parallel to the length of the cartridge. Preferably, t... | 04/03/2001 |
| 6202560 | Explosively started projectile gun ammunition A separate explosive charge within a cartridge is detonated to initiate motion of a projectile and effect delayed ignition of a larger volume of primary propellant. Steady burning of the ignited primary propellant after motion of the projectile is initiat... | 03/20/2001 |
| 6167810 | Propelling material formed in strips for use in large caliber guns The invention provides an improved propellant system for firing projectiles in large caliber guns. Strips of energetic propellant are placed in the cartridge case so that the lengths of the strips are parallel to the length of the cartridge. Preferably, t... | 01/02/2001 |
| 6158348 | Propellant configuration An ammunition cartridge has a base and a sidewall extending from the base to a mouth. The sidewall bounds an interior of the case. A projectile is secured to the case proximate the mouth and has at least an aft portion within the case interior. A propella... | 12/12/2000 |
| 6012394 | Casing for propellant charge A casing for a propellant charge for a piece of ammunition comprises a projectile and a stub. The casing comprises a substantially cylindrical envelope and a closing cover. The cylindrical envelope is made of a plastic material and is in the shape of a la... | 01/11/2000 |
| 5880397 | Selectable cartridge A selectable cartridge is provided consisting of a cartridge head, a dual-bed propellant chamber, a primer, and a tube. The invention enables the user to select a launch velocity prior to chambering the round. A high-velocity projectile is launched by mec... | 03/09/1999 |
| 5714710 | Two part propellant change with means for connecting them together Ammunition round comprising a primary cartridge (1) and a secondary cartridge (2) provided with mutually cooperable push fit connection means for connecting the two cartridges during loading. The cartridges (1, 2) incorporate sockets (10, 12) which contai... | 02/03/1998 |
| 5703322 | Cartridge having high pressure light gas A cartridge for accelerating a projectile includes a light gas pressurized in a sealed container to 5,000-10,000 psi. Upon ignition in the sealed container, a gas mixture having a low or intermediate molecular weight and a high or low energy density is ap... | 12/30/1997 |
| 5557059 | Tubeless cased telescoped ammunition A tubeless cased telescoped ammunition is disclosed. The ammunition is ignited and a sequenced ignition is achieved. The ammunition includes a sealing coating for delaying ignition of the main propellant. A sealing ring may also be used to sequence and de... | 09/17/1996 |
| 5443009 | Charge arrangement for cartridge ammunition A charge arrangement for cartridge ammunition having a cartridge case, a bottom igniter secured in the case bottom and a primer that coaxially surrounds at least one part of the propellant composed of bulk powder and a tail-side part of a projectile that ... | 08/22/1995 |
| 5429030 | Hybrid electrothermal light gas gun and method A pressurized light gas in a first chamber segment of a light gas gun is heated and highly pressurized by an electric discharge. Solid chemical propellant in a second chamber segment behind and separated from the first chamber segment by a perforated wall... | 07/04/1995 |
| 5421264 | Firearm cartridge with pre-pressurizing charge A firearm cartridge with a pre-pressurizing charge and a main propellant charge. The pre-pressurizing charge is located adjacent the rear end of the projectile. The pre-pressurizing charge can burn and exert pressure on the main propellant charge without ... | 06/06/1995 |
| 5400715 | Two part ammunition round Ammunition round comprising a forward cartridge 1 including a projectile 6 and a propellant charge 8, a rearward cartridge 2 including a propellant charge 8 and a propellant ignition system 3, 10, 14, and a propellant charge igniter 16 located so as to li... | 03/28/1995 |
| 5400714 | Large-caliber two part ammunition unit A method and an apparatus for producing a large-caliber ammunition unit including a combustible or partially combustible propelling charge casing and compacted or partially compacted propelling charge powder, to increase internal ballistic performance. It... | 03/28/1995 |
| 5397543 | Gas generator A gas generator comprises a propellant container having an igniter at one end thereof for igniting a propellant, a secondary propellant charge comprising a plurality of circular grains having a diameter to thickness ratio greater than 2.5, and a primary p... | 03/14/1995 |
| 5353710 | Container fitted with electrical connecting means The technical aspect of the invention relates to containers for a propulsive charge in at least two parts. The container (1a-1b)) according to the invention comprises a casing (9a-9b) demarcating an internal space, in which may be positioned, in particula... | 10/11/1994 |
| 5345875 | Gas generator A gas generator comprises a propellant container having a plurality of propellant grains therein, an igniter for igniting the propellant grains, and a shock wave barrier disposed in closely spaced relation to the igniter for attenuating a shock wave emana... | 09/13/1994 |
| 5335599 | Ammunition unit A performance enhanced ammunition unit composed of a front ammunition component (1) and a rear ammunition component (2) which each include a combustible propelling charge casing (7, 12), with the rear ammunition component being filled with propelling char... | 08/09/1994 |
| 5289776 | Method and apparatus for producing large-caliber ammunition A method and an apparatus for producing a large-caliber ammunition unit including a combustible or partially combustible propelling charge casing and compacted or partially compacted propelling charge powder, to increase internal ballistic performance. It... | 03/01/1994 |
| 5282423 | Modular propellant charge A modular propellant charge (10) composed of N propellant charge modules (1; 11-16) each having a length Lo. In order to obtain an economical, durable, easily released connection between the propellant charge modules (1; 11-16), a displaceable sleeve (6; ... | 02/01/1994 |
| 5263416 | Primer propellant electrical ignition interconnect arrangement for single and multiple piece ammunition A multi-piece ammunition round includes an aft cartridge, a forward cartridge, and a projectile disposed in an end-to-end nested, serial arrangement. The aft and forward cartridges each contain a charge of propellant. The projectile contains a high explos... | 11/23/1993 |
| 5241909 | Container equipped with electrical connection means The invention relates to modular containers for propellant charges. The container includes a container casing which partially defines an inner volume for a propellant charge. The container 1a of the invention that shall be rigidly assembled to another con... | 09/07/1993 |
| 5216199 | Lead-free primed rimfire cartridge A method of manufacturing an improved lead-free primed rimfire cartridge for ammunition or industrial powerloads providing a gas source for driving fasteners with power-fastening tools. A lead-free priming mixture is consolidated into an annular cavity of... | 06/01/1993 |
| 5180883 | Ammunition To improve the combustion behavior of a two-part large-caliber ammunition round (10) composed of a primary charge (20) and a projectile charge (30), an annular transfer charge (29) is provided in the primary charge (20) underneath a charge casing cover (2... | 01/19/1993 |
| 5179250 | Segmented cartridge assembly The cartridge assembly of the present invention comprises two or more combustible cartridge case segments, the front of which is fastened to the projectile assembly and the rear of which contains a primer assembly and a charge of propellant. The two segme... | 01/12/1993 |
| 5173571 | Projectile guide for telescoped ammunition A telescoped ammunition round comprises: a propellant charge having an axial cavity for supplying firing power for the ammunition round; a projectile housed within the axial cavity for being fired from a forward end of the ammunition round; a control tube... | 12/22/1992 |
| 5160804 | Fin-stabilized projectile The present invention pertains to fin-stabilized projectile ammunition, in which fin-stabilized projectiles are arranged in a cartridge case filled with propellant charge powder. According to the present invention, the spaces between the fins of the tail ... | 11/03/1992 |
| 5147978 | Main propellant ignition liner for cased telescoped ammunition A cased telescoped ammunition in which a rigid liner fills the gap between the control tube and the metering tube. The liner comprises an energetic material which transfers the ignition stimulus from the control tube propellant to the main propellant. Ene... | 09/15/1992 |
| 5063851 | Expendable breech gun round A round for an expendable breech gun wherein a filament reinforced breeche is lined with propellant throughout its length whereby the burning rate of the propellant in effect varies with projectile speed within the breechcase. A metal or plastic honeycom... | 11/12/1991 |
| 5048422 | Main propellant ignition liner for cased telescoped ammunition A cased telescoped ammunition in which a rigid liner fills the gap between the control tube and the metering tube. The liner comprises an energetic material which transfers the ignition stimulus from the control tube propellant to the main propellant. Ene... | 09/17/1991 |
| 5042388 | Forward control tube with sequenced ignition A cased telescoped ammunition with a perforated forward control tube in which the main propellant gas and flame front ignites a propellant surrounding the tube through the perforations. Seals form annular segments of consolidated propellant surrounding th... | 08/27/1991 |
| 5031541 | Stratified propellant charge barriers for small and medium caliber ammunition An ammunition cartridge comprises a tubular case having a head end and an open mount end, at least two propellant charges contained within said case, and a hermetic barrier means installed between the charges for separating the charges from one another an... | 07/16/1991 |
