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 |
| 4762068 | Cartridge-type ammunition Cartridged ammunition 1 for a grenade pistol includes a casing 10 made, for example, of plastic, the casing having an opening. A projectile 11 is disposed in the casing opening and includes a tracer charge and/or delayed-action charge 11b. A primer 13 and... | 08/09/1988 |
| 4742774 | Small arms ammunition Improved small arms ammunition comprising a conventional primed cartridge case and a hollow projectile in tubular geometric form is provided according to the present invention. In accordance with the teachings of this invention, the hollow projectile in t... | 05/10/1988 |
| 4742776 | Cartridge projectile for smoothbore firearms The invention relates to the art field of cartridges for conventional smoothbore shotguns used in hunting. A projectile is disclosed that consists in a hollow cylindrical leaden body the forward end of which is stopped by a dome reflexed back into the hol... | 05/10/1988 |
| 4733611 | Multiple projectile cartridge for handguns A multiple projectile cartridge for a handgun comprises four spherical projectiles embedded within a paraffin/powder filler material contained within a plastic casing enclosed in a conventional small caliber shell containing the usual primer assembly and ... | 03/29/1988 |
| 4729321 | Shell having pyramid shaped shot A shell formed of a cylindrical casing having a reduced diameter cylindrical package of explosive contained therein and means to ignite the explosive and a plurality of metallic pellets positioned in the annular area between the explosive and the casing, ... | 03/08/1988 |
| 4718348 | Grooved projectiles Projectiles for use in shells for shotguns and other smooth bore weapons are teardrop-shaped having a blunt hemispherical nose portion and an elongate tail portion tapering smoothly from a junction with the nose portion to a relatively sharp tip. The oute... | 01/12/1988 |
| 4700630 | Ammunition round In an ammunition round a substantially full bore diameter bullet has a plurality of elongate grooves either helically formed or parallel with the longitudinal axis of the bullet and a sabot which has a body and fingers which engage with the grooves and se... | 10/20/1987 |
| 4686904 | Shell having pyramid shaped shot A shell formed of a casing having a propellant in it and a means of igniting the propellant, and shot formed of a plurality of metallic pellets each of a pyramid shape, that is, in the form of a polyhedron having a equilateral triangular base and equilate... | 08/18/1987 |
| 4682545 | Ammunition round An ammunition round for a small arms piece including a cartridge casing with a nose opening and base opening at opposite ends thereof and a casing defined internal chamber extending therebetween with the nose opening serving to snugly receive a pellet mea... | 07/28/1987 |
| 4676169 | Slug assembly for shotgun shotshell A slug assembly for a shotgun shotshell, having a slug which has a circular largest diameter portion, and which has at least one cylindroid portion consisting of inclined generatrices, a sleeve like spacer made of a plurality of split spacer elements coax... | 06/30/1987 |
| 4671179 | Cartridged ammunition for gun barrel weapons The target-effective mass of cartridged ammunition is increased while maintaining a predetermined cartridge length. A projectile body has a projectile tail portion extending rearwardly on which a fin or wing-stabilization arrangement is mounted. This tail ... | 06/09/1987 |
| 4664034 | Fettered shot A cartridge for use in firearms contains fettered shot therein. The fettered shot enables eight or more pellets to be discharged in a tight group and in a manner which increases the effective range of the firearms. The fettered shot of the present inventi... | 05/12/1987 |
| 4644866 | Ammunition round In an ammunition round a substantially full bore diameter bullet has a plurality of elongate grooves either helically formed or parallel with the longitudinal axis of the bullet and a sabot which has a body and fingers which engage with the grooves and se... | 02/24/1987 |
| 4587905 | Wad and slug for a shotgun cartridge An assembly of a wad and a slug for a shotgun cartridge, the wad and the slug being coaxially connected to each other by means of male and female connectors provided on the wad and the slug without play between the connectors, the assembly comprising peri... | 05/13/1986 |
| 4574702 | Armour-piercing high-explosive projectile with cartridge On impact the primer (37) is struck by the point (33) and transmits the ignition to an explosive column (14) located in the hollow nose (4). The splinters from a metal closing piece (17) are then thrown violently into an empty duct (19) located along the ... | 03/11/1986 |
| 4572077 | Projectile for hand and shoulder weapons and a cartridge fitted with said projectile A projectile for hand and shoulder weapons has a cylindrical body and a nose, the longitudinal cross-section of the nose being defined by two concave lines which are symmetrical with respect to the axis of the projectile. An internal cavity formed within ... | 02/25/1986 |
| 4561357 | Steering mechanism for an explosively fired projectile A projectile trajectory correction system, the projectile itself including a unique steering arrangement. The projectile, initially part of a shell cartridge, is fired, and its position is automatically sensed. A corrected trajectory necessary to hit a ta... | 12/31/1985 |
| 4538520 | Gun cartridge A cartridge includes a gun barrel bullet made up of a metal head and an elastically deformable plug made up of two parts. The first plug part is connected to the head and defines an open ended chamber which is closed off by the second plug part. The first... | 09/03/1985 |
| 4522126 | Gun launched IR cloaking device for vehicles A device comprising an infrared signature cloaking round forming part of the ammunition load of a cannon-armed vehicle provides an immediate response to a hostile threat from IR tracked or IR guided weapons by forming, when fired from the cannon, a mist t... | 06/11/1985 |
| 4517897 | Small arms projectile A piece of small arms ammunition includes a jacket bullet of an aerodynamically optimized configuration having a profile, with the exception of its ends and of an attachment section, which is drag optimized in accordance with a relation derived from the k... | 05/21/1985 |
| 4505202 | Multi source cartridge for dispersing a riot control agent A projectile for dispersing a riot control agent material into the atmosphere at a target. The projectile is designed to open in flight and scatter a number of independent dispersal charges over a limited target area, and comprises a sabot in the form of ... | 03/19/1985 |
| 4458597 | Cartridge with firing actuation of the payload A cartridge with firing actuation of the payload comprises a case solid with a case bottom which houses a threaded member constituting an ejection nozzle, and in front of the latter a missile provided with a delay ignition chain interrupted at the level o... | 07/10/1984 |
| 4434718 | Sabot and projectile A discarding sabot projectile for shotgun of unique construction whereby the separation of the projectile and sabot is enhanced by opposing air pressure and the unique construction of the sabot. The sabot as utilized herein comprises a plastic body firmly... | 03/06/1984 |
| 4428294 | Finless gun-fired practice round A finless non-spinning round is able to maintain range accuracy and reduced un tube wear by the use of a single base cool burning propellant, an improved shape wear liner, and a warhead projectile configured to position the center of gravity of the warhead... | 01/31/1984 |
| 4413564 | Slug for a shotgun shell A shotgun slug having a frusto-conical body that increases a diameter from front to rear and which further includes a plurality of vanes projecting radially from the body which extend obliquely along the length thereof. The top lands of the vanes describe... | 11/08/1983 |
| 4365559 | Munition round for firearms A munition or round for a firearm comprises a shell casing of synthetic resin material formed internally with a plurality of axially spaced annular ribs which snap into corresponding grooves in the shank of the bullet. The bullet shank is also formed with... | 12/28/1982 |
| 4236451 | Self-propelling projectile for firearms A self-propelling projectile comprising a projectile body at the normally forward end of said projectile, a propellent charge at the normally rearward end of said projectile, and a primer element located between the ends of said projectile for ignition by... | 12/02/1980 |
| 4103620 | Projectile explosive The invention relates to an explosive fragmentation type projectile stabilized by gyration, carrying a tubular case and provided with an instantaneous percussion head fuse and a tracer. The base of the projectile comprises a thick heavy and projecting central ... | 08/01/1978 |
| 4083306 | Novel cartridge 1. A flechette cartridge comprising an external cartridge casing, an internal flechette projectile having protruding stabilizing surfaces, a plurality of individual sabot segments encompassing said projectile and intermeshing with the said protruding stab... | 04/11/1978 |
| 4077147 | Underwater side arm 1. A device including an expendable cartridge-barrel assembly comprising a cartridge casing forming a barrel, the wall thickness of said barrel being at least equal to about the diameter of the bore therein, a retainer affixed to and rearwardly of said ca... | 03/07/1978 |
| 4063511 | Spinning shot gun projectile A spinning shot gun projectile comprises a cylindrical body having radially projecting vanes arranged with respect to the longitudinal axis of the body at an angle predetermined for air impingement during the flight of the projectile, thereby imparting a ... | 12/20/1977 |
| 4058062 | Powerhead cartridge A 30-30 casing has sharpened rings formed in its enlarged base. Powder is packed in the casing, and it is sealed by inserting a primer portion, which is a 38 caliber pistol shell with a primer, in the open end of the packed casing and compressing the edge... | 11/15/1977 |
| 4043267 | Rocket bullet A firearm cartridge assembly consists of a casing having a bullet mounted in one end and an explosive charge in the opposite end with a wad extending between the two end elements. The wad has a generally cylindrical configuration and includes a first end ... | 08/23/1977 |
| 3951040 | Ammunition projectile A projectile for a round of ammunition is provided comprising a frangible stack of serrated metal discs with an integral rotating band. The rifled barrel of the gun imparts a high spin rate to the discs which gives them dynamic stability in flight. Accele... | 04/20/1976 |