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| Number | Title | Issue Date |
| 8171839 | Reusable explosive bolt An axial loaded explosive bolt that can repeatedly be used for the purpose of remotely or automatically activating a timely separation of adjoining walls separated by a finite distance by the means of either an explosive charge or activation of a pressurized gas lin... | 05/08/2012 |
| 8104393 | Charging handle The invention relates to a charging handle assembly for a firearm. The assembly includes a handle mechanism having a pull rod to engage an action of a firearm, a handle and a stop surface. A latch mechanism is rotationally secured to the handle and is meant to be ma... | 01/31/2012 |
| 8015906 | Actuator with actuating pin An actuator includes a piston having an actuating pin, a squib, and a cylinder case. The cylinder case has a peripheral wall part that covers the circumference of the piston and a ceiling wall part having a through hole which allows an actuating pin to protrude from... | 09/13/2011 |
| 7987761 | Time limited restraint A time limited restraint device. After a predetermined time, a cutter of the time limited restraint device cuts a restraint. ... | 08/02/2011 |
| 7819048 | Separable structure material method A separable structure includes composite material that is separated or severed by a reactive pyrotechnic material. According to one embodiment, the structure includes a pair of composite laminate structural portions, each including multiple layers of composite mater... | 10/26/2010 |
| 7814822 | Device and method for controlled breaching of reinforced concrete A breaching apparatus includes an impactor element and a self-contained energy source. The self-contained energy source enables the impactor element to impact a first surface of a structure. The impactor element is configured to transmit a localized shock wave throu... | 10/19/2010 |
| 7802509 | Tactical utility pole system and method of use thereof A tactical utility pole system for use by law enforcement is described. Embodiments of the system are user configurable depending on a particular tactical need. Variations are described for breaching a locked door, breaching a closed window and delivering and nearly... | 09/28/2010 |
| 7775147 | Dual redundant electro explosive device latch mechanism A latch including a first electrical explosive device disposed between first and second surfaces and a second electrical explosive device disposed between said first and second surfaces in series with said first electrical explosive device. In the illustrative embod... | 08/17/2010 |
| 7735405 | Pyrotechnic actuator for retracting a piston A safety arrangement for a motor vehicle includes a pyrotechnic actuator for retracting a hinge pin of a vehicle hood. The pyrotechnic actuator includes a housing defining a longitudinal axis and further includes a first end defining an opening. The pyrotechnic actu... | 06/15/2010 |
| 7690288 | Explosive-driven electric pulse generator and method of making same An electric pulse generator includes a driver having an outer surface, a receiver, and one or more piezoelectric elements disposed between and in electrical contact with the driver and the receiver. The electric pulse generator further includes an explosive material... | 04/06/2010 |
| 7610840 | Non-frangible coupling element with explosive load release A non-frangible releasable coupling device as described herein includes an explosive element that, when detonated, bends a load carrying element in a manner that releases the coupled components from each other. Before detonation, the load carrying element is under a... | 11/03/2009 |
| 7603938 | Method and apparatus for fluid removal from a container A method and apparatus for removing fluid from a container using a conventional shaped charge such as those used in well perforation; the charge being spaced from the container wall, and producing an explosive jet, the explosive jet directed by a diffuser disk to pr... | 10/20/2009 |
| 7509903 | Separable structure material A separable structure includes composite material that is separated or severed by a reactive pyrotechnic material. According to one embodiment, the structure includes a pair of composite laminate structural portions, each including multiple layers of composite mater... | 03/31/2009 |
| 7484448 | Motor-vehicle pyrotechnic unit A pyrotechnic release unit has a generally tubular casing having an open rear end and an open front end and adapted to be secured to one of a pair of separable vehicle parts, a pin releasably retained in the front end of the housing and adapted to be secured to the ... | 02/03/2009 |
| 7444918 | Pyrotechnic actuator The present invention relates to a pyrotechnic actuator, containing: a housing, a piston slidable inside the housing, an igniter disposed within the housing and causing the piston to slide, ... | 11/04/2008 |
| 7367738 | Apparatus and method for releaseably joining elements The apparatus and method for releasably joining first and second elements according to the present invention include a retaining member mounted to one of the elements and a reshapeable tube near the retaining member. The reshapeable tube has at least two states, an ... | 05/06/2008 |
| 7337703 | Modular breaching apparatus Modular breaching apparatus including a plurality of breaching elements, each breaching element being formed with a groove for receiving therein a flexible explosive element capable of producing an explosive force sufficient for breaching a structure, wherein each b... | 03/04/2008 |
| 7328751 | Powder operated tool A powder operated tool including a frame, a tool body and a reusable combined cartridge holder and ram rear end receiver. The frame includes an anvil section. The tool body is adjustably connected to the frame. The tool body comprises a ram, and a breech assembly co... | 02/12/2008 |
| 7327232 | System of devices for emergency opening of vehicle doors A system for emergency opening of vehicle doors, especially to open from inside the door(s) blocked or jammed during a traffic accident, consisting of pneumatic servomotor or servomotors (1) as the door-opening executing element. The servomotor (1) sup... | 02/05/2008 |
| 7322090 | Explosive tube removal device A explosive device is disclosed for collapsing an expansion-fit metal tube from within a hole of a metal plate of a boiler or the like. The device includes a connecting rod inserted into the tube and extending outwardly from top and bottom ends of the tube. The port... | 01/29/2008 |
| 7322428 | Vibration reduction apparatus for power tool and power tool incorporating such apparatus A handle assembly for a power tool is described and includes a first substantially tubular body portion 210 which contains a first spring 212. A second body portion 216 is slidably mounted within first body portion 210 and contains a seco... | 01/29/2008 |
| 7318334 | Powered pipe flaring tool The powered pipe cutter and the pipe flaring tool both have a piston slidably mounted in a cylinder. The cylinder has a top end closed by a top end plug. A crimped cartridge bore in the top end plug communicates with a gas expansion chamber. A bolt and firing pin as... | 01/15/2008 |
| 7305788 | Battering ram with explosive discharge A noise generation device is taught which is used in conjunction with a shotgun generating a blast which has a) at least one chamber for receiving the blast from the barrel; b) a connecting bolts for joining the one chamber to the barrel; c) at least one exhaust por... | 12/11/2007 |
| 7299735 | Device for the disruption of explosive ordnance A plurality of embodiments of disruptor all have a container with an enclosure for explosive material with a wall which can he located in any one of a number of different positions using one or more tubular spacers (12) optionally of various sizes thereby to ... | 11/27/2007 |
| 7296504 | Pyrotechnic actuator of the variable-thrust-acting type The technical field of the invention is that of pyrotechnic actuators comprising a piston, the basic function of which is to exert a thrust so as to displace an object by shooting out the piston. More particularly, the invention relates to a pyrotechnic actua... | 11/20/2007 |
| 7278612 | Swaged cable deployment in space A cable restraint/deployment mechanism is disclosed for deploying an object in space from a spacecraft. To deploy the object, the cable restraint/deployment mechanism cuts a cable attached to the spacecraft and the object. For example, a spacecraft may include a sol... | 10/09/2007 |
| 7261038 | Low shock separation joint and method therefor Methods and apparatus are provided for a low shock separation joint. The separation joint comprises a male member, a female member, and an explosive device. At least one projection is formed on the male and female members. Surfaces of the at least one projection on ... | 08/28/2007 |
| 7261039 | Artillery Rocket Kinetic Energy Rod Warhead A KE rod warhead for artillery rockets contains a multiplicity of KE rod penetrators housed in trays and packaged into bays or tier packs that are stacked and positioned around a center column of the warhead. The warhead has a skin which is severed upon the rocket e... | 08/28/2007 |
| 7252038 | Industrial ammunition A projectileless ammunition system (20; 320) includes a metallic case (22; 322). A propellant charge (26; 326) is carried by the case and covered by an over-powder member (24; 324) in the absence of a separate projectile. The ammunition i... | 08/07/2007 |
| 7237353 | Muzzle break with gas relief membrane for an underwater gun A muzzle break for a gun comprising a baffle, a series of slots in the housing of the muzzle break in which the slots exhaust gas of a pressure wave deflected by the baffle during firing of the gun. A membrane seals the slots for underwater use and is separable by t... | 07/03/2007 |
| 7231822 | Machine and method for balancing a member during rotation A machine for balancing a rotating member includes hard bearing balancing apparatus for determining the magnitude and circumaxial location of imbalance. A sensor responds to the position of the rotating member. A computer receives signals from the balancing apparatu... | 06/19/2007 |
| 7222561 | Pyromechanical cutting element A pyromechanical cutting element has a housing (2) in which an electrical conductor (3) is arranged, a cutting plunger (5) with a cutting tool (8) to cut through the electrical conductor (3), and pyrotechnic charge (13) to d... | 05/29/2007 |
| 7207253 | Parachute line cutting device The present invention is to improve the mechanical characteristics of a pyrotechnical parachute line cutting device. By enforcing the mechanical traction on the electrical connection wire by Kevlar reinforcement cords. The flexible electrical wire will be connected ... | 04/24/2007 |
| 7188558 | Pyromechanical separating element The invention relates to a pyromechanical separating element having a hermetically sealed pyrotechnic pressure element (2), which is installed in a housing (1) and has a gas-forming pyrotechnic charge, and a detachable latching pin (5) which is ... | 03/13/2007 |
| 7182012 | Pyrotechnically driven device for cutting solid, compact materials A pyrotechnic cutting device has a guiding housing in which there is arranged a part to be severed, which is fashioned so as to be severable at a cut point by a cutting tool having a cutting chisel. A pressure pulse generator containing a pyrotechnic driving charge ... | 02/27/2007 |
| 7168659 | Control device for moving a vehicle closure element The present invention provides a device for controlling the movement of a vehicle closure element, the device comprising, interposed between a vehicle structure and a closure element, firstly a driver element that can be activated on command, constituted by a pyrote... | 01/30/2007 |
| 7150228 | Gas pressure switch A gas pressure switch is provided for an ignition and safety system for ammunition. The switch includes a housing; a piston actuator within the housing, the piston actuator being displaceable from an idle position to a contacting position by propellant gases of the ... | 12/19/2006 |
| 7131628 | Vented MEMS structures and methods A vent connects a chamber to the external atmosphere surrounding a device to equalize pressure within the chamber. The vent has a size and shape to allow pressure equalization to occur outside a normal operating cycle of the chamber and controls the pressure to prev... | 11/07/2006 |
| 7127994 | Low shock separation joint Methods and apparatus are provided for a low shock separation joint. A first member couples to a first structure and includes surfaces to prevent separation under compressive and tensile force placed on the separation joint. A second member couples to a second struc... | 10/31/2006 |
| 7117779 | Driver for power tools A power source (10) for providing energy to drive a mechanical device including a receiving chamber (11) and discrete propellant charges (23) for selective detonation whereby gases generated by the selective detonation expand into the receiving ... | 10/10/2006 |
