Class 102/352 - Including plural, successively ignited charges

Subclass of Class 102 - Ammunition and explosives
Definition: Subject matter having more than one charge and means for
No. of patents: 30
Last issue date: 10/09/2007

Number	Title	Issue Date
7278355	Enhanced efficiency pyrotechnic shell A multiple stage pyrotechnic shell apparatus is disclosed. The invention has enhanced efficiency to increase lift and reduce the risk of one or more of the charges from exploding near the ground. The enhanced efficiency is obtained through the novel use of shaped br...	10/09/2007
7261037	Pyrotechnic animal dispersal device The pyrotechnic animal dispersal device includes an aerodynamic stabilizer for attachment to a pyrotechnic rocket cartridge and a connector sleeve for joining an explosive cartridge to the rocket cartridge. The connector sleeve has an annular disc disposed therein s...	08/28/2007
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
6912958	Fireworks artillery shell A fireworks artillery shell for use as a consumer firework which may be propelled by the use of a mortar is provided which includes a casing, a lift charge, an effects charge, a timing fuse and an ignition fuse, and seals. The seals are provided within the casing ab...	07/05/2005
RE38592	Multiple effect pyrotechnic shell A multiple effect pyrotechnic shell (20), having a lift chamber (22), primary break (24), secondary break (26), and a tertiary break (28) has a desired weight distribution to inhibit tumbling. The secondary break weight is less tha...	09/21/2004
6779459	Pyrotechnic projectile launcher Pyrotechnic fireworks launch apparatus is provided. The apparatus includes a base to which is affixed a male-configured launching cylinder adapted to accept thereover, in combination, an internally cylindrical, female-configured projectile, wherein the projectile ha...	08/24/2004
6543362	Multi-point ignition system for high-performance propulsion systems, in particular for ammunition A high-performance propulsion system includes propellant charge powder arranged in a case (1) and multiple pyrotechnic igniters (9) for igniting the propellant charge powder, each igniter (9) containing a primer (5) and optionally a booster charge (6)....	04/08/2003
6283033	Multiple effect pyrotechnic shell A multiple effect pyrotechnic shell (20), having a lift chamber (22), primary break (24), secondary break (26), and a tertiary break (28) has a desired weight distribution to inhibit tumbling. The secondary break weight is less than the primary break weig...	09/04/2001
6244185	Skyrocket A skyrocket is provided which provides a first fireworks effect prior to launch as well as a second effect after launching. The skyrocket includes a body which houses or is coupled to a rocket motor, a first effect and a second effect. A transparent or tr...	06/12/2001
6125763	Integral solid booster and hybrid thrust sustaining system and projectile incorporating the same A rocket according to the invention includes a motor having a fuel chamber and an oxidizer tank, a nose portion provided forward of the motor, and a nozzle surrounded by fins provided aft of the motor. The fuel chamber is provided with a relatively centra...	10/03/2000
5895882	Air-delivered remotely-activated infrared anti-ship missile decoy and deployment method An air-delivered infrared anti-ship missile decoy is delivered from an aiaft to a desired location below sea surface ahead of advancing forces and then activated at a later time by a remotely-transmitted encoded signal to separate a payload assembly from...	04/20/1999
5739462	Method and apparatus for creating pyrotechnic effects A pyrotechnic device includes a launcher for launching and igniting a plurality of pyrotechnic stars for creating an aerial fireworks display. The launcher comprises a launching tube having an igniter that ignites the pyrotechnic stars as they are being e...	04/14/1998
5691500	Remotely-actuated fireworks launcher apparatus A remotely-actuated fireworks launcher apparatus includes a housing assembly, a signal receiver housed within the housing assembly, an ignition servo electrically connected to the signal receiver and housed with the housing assembly, and a servo-actuated ...	11/25/1997
5686692	Single fuse follow-through grenade A follow-through grenade is provided which utilizes a primary fuze to trir both the main warhead and a delayed secondary fuze system. The main warhead explosion is used to breach barriers behind which enemy personnel are located. When the primary explosi...	11/11/1997
5623113	Pyrotechnic device for launching at least one projectile A pyrotechnic device for launching at least one projectile includes, in a longitudinal launcher tube closed at the rear by a rear wall, a closure member expelled when subjected to a longitudinal force exceeding a predetermined threshold and retaining at l...	04/22/1997
5602362	Electromagnetic decoy with delayed ejection The member bearing electromagnetic decoys comprises a sliding member (23 to 27) having an open major face closed by a cover of which an extension projects opposite an opening (21A) in a compartment (21) provided for a pyrotechnic portion. When the pyrotec...	02/11/1997
5173570	Detonator ignition circuitry In detonator ignition circuitry, reliability is enhanced by significantly creasing the ignition energy voltage. Application of the high voltage ignition energy to the detonator is accomplished through a breakdown device which passes the ignition energy to...	12/22/1992
4949639	Temperature-compensated, acceleration-activated igniter A propellant igniter that is controlled by temperature and is activated by cceleration. The igniter includes a booster or primer for igniting a propellant charge. A spring-loaded firing pin is cocked by a rotating sear that, when released, energizes the bo...	08/21/1990
4924775	Integrated two stage rocket A rocket system wherein a frustoconical or cylindrical casing contains fi and second rocket stages in series, with each stage having a nozzle extending in an aft direction. Each stage contains a solid rocket fuel, with the forward end of the fuel in the ...	05/15/1990
4791870	Pyrotechnic assembly A pyrotechnic assembly has an outer container for a plurality of pyrotechnic elements, each of which has a propellant charge, to propel the element out of the container, and a pyrotechnic charge, for example for producing a radiation-blocking screen. The ...	12/20/1988
4729319	Controlled explosion projectile ejection system The controlled explosion projectile ejection system utilizes a source of combustible gas through a controllable input valve into a combustion chamber. Inside the combustion chamber is a sparking means. After the chamber is loaded or filled with gas, a spa...	03/08/1988
4690060	Generating gas pressure in an expansion chamber A gas generator is provided for ejecting projectiles from a container under utilization of a developing gas pressure in an expansion chamber, using alternating propellant explosive charges hoses and ignition charge hoses in a string. String branching can ...	09/01/1987
4643098	Rocket with tracer charge and gunpowder rods A practice rocket for antitank weapons comprising a head and a support rod fastened to the head, the support rod carrying a tracer charge at its rearward end, and a propulsive charge in the form of gunpowder rods distributed around the support rod. The gu...	02/17/1987
4593602	Rocket weapon system and method therefor An improved rifle-actuated rocket weapon system and an improved method for iming the system in relation to a short range target by firing one or more tracer bullets until it is aimed at the target for launching the rocket weapon. The system is generally ma...	06/10/1986
4539910	Igniter pellet cup A consumable sealed plastic cup containing ignition pellets is assembled into end cap at the forward end of a solid fuel rocket motor with sufficient clearance to allow leak test gas to bypass it and thereby expose the port seals of the through bulkhead i...	09/10/1985
4342252	Tandem rocket launcher A tandem rocket launcher is provided by mounting plural rockets in an elongated launch tube with associated guide and launch equipment for each rocket. A conical shield is placed between the rockets which deflects exhaust gases generated by firing the for...	08/03/1982
4333400	Two stage parachute fuze recovery system A two stage parachute recovery system for use in recovering fuzes or other ensitive equipment from a projectile that has been launched from a gun barrel wherein explosive means are successively detonated by a timing mechanism and by centrifugal force impar...	06/08/1982
4299170	Device for simulating hits on armored vehicles and similar targets A device for simulating hits on a target for example in war games and particularly for simulating hits on armored vehicles comprises a housing which has a plurality of separate spaced apart charge receiving chambers therein. Each chamber contains a distin...	11/10/1981
4250705	Apparatus for the connection between two stages of a self-propelled engine A device for joining the two stages 2 and 3 of a self-propelled engine comprises means for achieving the separation of the two stages 2 and 3 after the combustion of the pyrotechnic charge 12 of the rear stage 2 is completed, means for carrying out the ig...	02/17/1981
4026188	Modular buoy system A modular buoy system in which a number of similar sonobuoys are housed in a common container. Associated with each sonobuoy is a launching mechanism. A circuit is provided for actuating these launching mechanisms separately so that the sonobuoys may be e...	05/31/1977

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Class 102/352 - Including plural, successively ignited charges