An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7878120 | Ammunition data link A cartridge includes a cartridge case base having a bottom surface, a primer and an annular recess formed in the bottom surface, the annular recess being concentric with the primer; first and second concentric conductive rings disposed in the annular recess, the fir... | 02/01/2011 |
| 7581499 | Insulated cartridge case and ammunition, method for manufacturing such cases and ammunition, and use of such cases and ammunition in various different weapon systems The invention relates to a cartridge case (2) and ammunition round (1) primarily for electrothermal and/or electrothermochemical weapon systems, which round comprises the said cartridge case. According to the invention, the casing (10) of the ca... | 09/01/2009 |
| 7451702 | Electrically-fired multiple projectile large caliber round An electrically-fired round includes a case sized to fit in a conventional large caliber gun; a launch tube disposed in the case; a plurality of projectiles axially stacked in the launch tube; each projectile comprising a cylindrical body having a circular lid that ... | 11/18/2008 |
| 7380501 | 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... | 06/03/2008 |
| 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 |
| 7316562 | Method and system to ignite inflammable fluids A method is described for igniting discharges of inflammable fluids, such as gases which are discharged in a flare, where an ignition pellet is set in motion towards the fluid discharge along a conducting body and made to detonate in or near the fluid discharge, so ... | 01/08/2008 |
| 7270044 | Plasma firing mechanism and method for firing ammunition The invention comprises a device and method for firing firearm ammunition using a plasma torch generator. In a particular embodiment, the device relates to the control or management of the rate of fire and number of rounds fired in a burst firing mode for automatic ... | 09/18/2007 |
| 7213519 | Composite polymer based cartridge case having an overmolded metal cup, polymer plug base assembly A cup and plug assembly of a base for a polymer based ammunition cartridge case body includes a cylindrical sleeve joined to the base. The base includes a plug molded over a cup. The cup includes a first annular cup portion extending in a first direction from a web ... | 05/08/2007 |
| 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 |
| 7059249 | Transverse plasma injector ignitor A plasma injector for use in munitions having a central axis. The plasma injector has a stub case, a tube, an anode, a cathode, and a conductive wire. The tube has a first end, a second end, and a central bore extending therethrough. The tube has at least one apertu... | 06/13/2006 |
| 7055434 | Electrical initiation system A method of using electrically initiated primer systems that rely on vaporizing a thin metallic film which is either coated on a non-conductive insulator component or is a malleable thin film or strip secured to the inner surface of a primer cup assembly to ignite a... | 06/06/2006 |
| 7047885 | Multiple pulse cartridge ignition system An electronically controlled multi-pulse ignitor ignites a cartridge used to launch a projectile. An electronics module is programmed with a temperature performance profile for the cartridge. A temperature sensor is coupled to supply current cartridge temperature da... | 05/23/2006 |
| 7004074 | Controlled fluid energy delivery burst cartridge A modified gas delivery cartridge. A conventional straight-sided brass cartridge case is primed and then filled with solid propellant. A burst cup is then inserted in the case mouth. The burst cup is embossed with a cross or other shape to promote predictable ruptur... | 02/28/2006 |
| 6962112 | Entirely combustible inductive primer A pyrotechnical primer for igniting propellant powder for sleeveless ammunition comprises an igniting element (4) and a coil (1). The energy required for triggering is transmitted in an electromagnetic manner (inductively). The inductive primer is cost... | 11/08/2005 |
| 6796243 | Cartridge A cartridge having a propellant-charge casing (2) and an electrothermal ignition device (4), in which the propellant-charge casing (2) is connected to a metal casing base (3) and a contact piece (5) that is connected to a contact d... | 09/28/2004 |
| 6745697 | Cartridge A cartridge with a propellant case (4) that contains a propellant charge (3) and an electrothermal ignition device, wherein several ignition channels (9) are provided in the charge (3), and extend axial-symmetrical in the direction of lon... | 06/08/2004 |
| 6725781 | Cartridge A cartridge, comprising a cartridge case (3), a projectile (4), a propellant charge igniter (8) extending in the direction of the longitudinal axis of cartridge (1) and arranged inside the cartridge case (3), and an electrically pr... | 04/27/2004 |
| 6672215 | Constant output high-precision microcapillary pyrotechnic initiator A high-precision pyrotechnic initiator is well adapted for rapid, precise ignition of solid and liquid energetics. A rigid housing, for example formed of stainless steel, contains a pyrotechnic. When ignited, the reaction, or explosion, of the pyrotechnic... | 01/06/2004 |
| 6644204 | Base for ammunition intended to receive an electrical igniter squib An ammunition base with an electrical igniter located in an axial bore within a cylindrical base, wherein the base is made of a metallic material coated with an electrically insulating material and has at least one non-insulated conductive area constitute... | 11/11/2003 |
| 6578493 | Electrothermal ignition device and method for producing the device The invention relates to an electrothermal ignition device for igniting a powder propellant charge (4), which comprises at least one electrically-conductive wire (11; 15; 19; 22), that extends, at least partially, through the propellant charge, and can be... | 06/17/2003 |
| 6568331 | Electrical igniter cap An electrical igniter cap has a reproducible igniter characteristic by virtue of the fact that, at the firing side, an igniter unit 20 is covered by a sheeting of plastic material 21 which is rupture-resistant but tears quickly, and also at the firing sid... | 05/27/2003 |
| 6539874 | Cartridge A cartridge having an electrothermal ignition device, in which, ignition conduits extend axially through a first propellant-charge powder (4) filling a cartridge sleeve (5), with the conduits essentially comprising an electrical wire (11-13) that is guide... | 04/01/2003 |
| 6526892 | Artillery cartridge having an internal conductor arrangement A cartridge includes a cartridge case having a cartridge base; a projectile having a rearward portion received by the cartridge case; a propellant primer disposed in the cartridge case and extending along the longitudinal cartridge axis; an electrically p... | 03/04/2003 |
| 6487972 | Electric primer An electric primer for the discharge of ammunition suitable for use with small arms.... | 12/03/2002 |
| 6363853 | Electrically initiated distributed igniter An electrically initiated distributed igniter (EIDI) system combines most of the advantages of conventional pyrotechnic igniters with those of ETC planar igniters without the disadvantages of either. The EIDI system lends itself to precise timing control ... | 04/02/2002 |
| 6332402 | Ammunition cartridge with electric propellant ignition An ammunition cartridge with electric propellant ignition includes a case having a rearward end closed by a case bottom and a front end; a propellant powder charge contained in the case; a high-voltage electrode disposed at the case bottom and having an e... | 12/25/2001 |
| 6332403 | Ammunition cartridge with electrically ignited propellant charge An ammunition cartridge with electric propellant ignition includes a combustible case having a length dimension, a rearward end closed by a metal case bottom and a front end; a combustible propellant powder contained in the case; and an electrically insul... | 12/25/2001 |
| 6318268 | Demolishing apparatus using discharge impulse An apparatus which is constituted to supply electrical energy to a melting and vaporizing material (for example metal wire 6) so as to cause the melting and vaporizing material to melt and vaporize, thereby demolishing an object to be demolished (such as ... | 11/20/2001 |
| 6283034 | Remotely armed ammunition A firearms safety device in the form of remotely armed ammunition includes a firearms cartridge for use in a use with a conventional firearm having a trigger-actuated hammer with a firing pin. The cartridge includes a firing circuit that is operatively as... | 09/04/2001 |
| 6272993 | Electric primer Electric primers for the discharge of ammunition suitable for use with small arms.... | 08/14/2001 |
| 6247412 | Electric contact assembly for a cartridge to be fired from a weapon barrel An electric contact assembly in combination with a cartridge to be fired from a weapon barrel. The cartridge has a cartridge case including a metal bottom having an externally exposed outer face; and an electronic unit disposed in the cartridge case. The ... | 06/19/2001 |
| 6247411 | Electric contact assembly for a cartridge to be fired from a weapon barrel An electric contact assembly in combination with a cartridge to be fired from a weapon barrel. The cartridge has a cartridge case including a metal bottom having an externally exposed outer face; and an electronic unit disposed in the cartridge case. The ... | 06/19/2001 |
| 6205927 | Electric impulse cartridge An electric pyrotechnic cartridge or primer device comprises a generally cylindrical nonconductive plastic body having a conical cavity opening to one end wall, a rod-like electrode centered in the cavity and extending to the opposite end wall and a secon... | 03/27/2001 |
| 6186040 | Plasma burning device for electrothermal and electrothermal/chemical gun systems A plasma burning device for an electrothermal/chemical gun system includes a case hating a bottom and an interior; plasma material accommodated in the interior; and a high-voltage electrode passing through the case bottom into the case interior. The high-... | 02/13/2001 |
| 6131515 | Electric primer Electric primers for the discharge of ammunition suitable for use with small arms.... | 10/17/2000 |
| 6119599 | Sequential arc surface injector The invention provides a device for generating surface plasmas, for ignition of propellants. The invention provides a plurality of sheet fuses with insulating sheets separating each fuse. One of the fuses is complete, while the other fuses have a gap. The... | 09/19/2000 |
| 5996500 | Electrostatically dischargeable primer An electrostatically dischargeable primer which in a preferred embodiment is characterized by an electrically non-conductive plastic case having a base end, an open end and a powder cavity filled with powder, an electrically conductive metallized plastic,... | 12/07/1999 |
| 5988070 | Plasma injection device for an electrothermal gun A plasma injection device in combination with a projectile includes a reusable multi-part propellant case which has a cartridge base and an electrically insulating case body directly attached to the cartridge base. The case body has an interior, a front e... | 11/23/1999 |
| 5945623 | Hybrid electrothermal gun with soft material for inhibiting unwanted plasma flow and gaps for establishing transverse plasma discharge A projectile accelerating pulsed gas source comprises a structure including a high voltage electrode for establishing axial electrical discharges in axial gaps behind an outlet where the projectile is located. Plasma flows at right angles to the discharge... | 08/31/1999 |
| 5937557 | Fingerprint-acquisition apparatus for access control; personal weapon and other systems controlled thereby At a first end of an optic-fiber prism assembly are fiber terminations to contact a relieved surface, e. g. finger (stabilized by a handgrip). In a region where fiber diameter is essentially constant with longitudinal position, light enters the prism, cro... | 08/17/1999 |