Bizarre Patents
An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8015920 | Solid fuel rocket thrust control A solid fuel rocket burn rate control employing electrical energy preheating of the fuel grain at a plurality of locations dispersed over the grain burn face cross-section as a thrust control arrangement. The electrical energy of the preheating is generated by elect... | 09/13/2011 |
| 7368025 | Method for making a thermally protective coating for a propulsive unit structure A method of making a thermally-protective coating on a thruster structure, the method consisting in: continuously measuring out and mixing (14) at least one polyurethane and a mixture of polymerization agents in which specific fillers have previously been dis... | 05/06/2008 |
| 7254936 | Simple solid propellant rocket engine and super-staged rocket A solid propellant rocket engine includes: a propellant formed into a predetermined shape having a combustion cavity and capable of deflagrating into hot, high-pressure gas upon ignition; and a nozzle configured and positioned to expand the hot, high-pressure gas in... | 08/14/2007 |
| 7117797 | Pyrotechnic charge structure A pyrotechnic charge structure, in particular for use as propellant in a rocket motor, is disclosed. The charge structure has a predetermined longitudinal extension and cross sectional area adapted to the intended purpose. The pyrotechnic charge structure (1; 2; ... | 10/10/2006 |
| 7003942 | System and method of controlling pressure oscillations of hydrodynamic origin for a solid propellant thruster The invention provides a system for passively controlling pressure oscillations of hydrodynamic origin in a solid propellant thruster comprising a body containing a charge of solid propellant, the system comprising at least one insert disposed in the thruster body t... | 02/28/2006 |
| 6880465 | Accumulated detonating cord explosive charge and method of making and of use of the same An initiator (14c) for a secondary explosive receptor charge is provided by forming a length of detonating cord (14) into a helical coil containing a plurality of windings with a cut-off barrier provided by, e.g., a separating rib (46) be... | 04/19/2005 |
| 6808572 | Solid propellant formulations and methods and devices employing the same for the destruction of airborne biological and/or chemical agents High temperature incendiary (HTI) devices and methods destroy biological and/or chemical agents. Preferably, such HTI devices include dual modal propellant compositions having low bum rate propellant particles dispersed in a matrix of a high burn rate propellant. Mo... | 10/26/2004 |
| 6782827 | Solid propellant formulations and methods and devices employing the same for the destruction of airborne biological and/or chemical agents High temperature incendiary (HTI) devices and methods destroy biological and/or chemical agents. Preferably, such HTI devices include dual modal propellant compositions having low burn rate propellant particles dispersed in a matrix of a high burn rate propellant. M... | 08/31/2004 |
| 6782693 | Case burning rocket with drive system for combustion chamber and nozzle A case-burning rocket booster includes a combustible case containing a solid rocket fuel, a combustion chamber adjustably coupled to the case for burning the case and the solid rocket fuel, a nozzle connected to the combustion chamber for expelling the burned case a... | 08/31/2004 |
| 6748868 | Destroying airborne biological and/or chemical agents with solid propellants High temperature incendiary (HTI) devices and methods destroy biological and/or chemical agents. Preferably, such HTI devices include dual modal propellant compositions having low burn rate propellant particles dispersed in a matrix of a high burn rate propellant. M... | 06/15/2004 |
| 6632378 | Nitrate ester plasticized energetic compositions, method of making and rocket motor assemblies containing the same A nitrate ester plasticized energetic composition in which the binder is made of, prior to curing, lower alkylene glycol prepolymer blocks end-capped with ethylene glycol monomers and/or oligomers. The end-capped prepolymer blocks are preferably difunctio... | 10/14/2003 |
| 6508176 | Accumulated detonating cord explosive charge and method of making and of use of the same An initiator (14c) for a secondary explosive receptor charge is provided by forming a length of detonating cord (14) into a helical coil containing a plurality of windings with a cutoff barrier provided by, e.g., a separating rib (46) between adjacent win... | 01/21/2003 |
| 6431072 | Propellant grain configuration A propellant grain for a cylindrical casing has a cavity including an axially central opening with a combustion product exit port at one end. The grain bears a plurality of surfaces extending circumferentially about and disposed normally or helically to t... | 08/13/2002 |
| 6421999 | Modular solid-fuel rocket charges with rigid support casings A modular solid-fuel rocket propellent charge has a combustion-chamber wall, a plurality of separate elements including frozen fuel or oxidizer, and respective rigid casings completely surrounding and enclosing the elements. Respective formations on the c... | 07/23/2002 |
| 6378436 | Portable propellant cutting assembly, and method of cutting propellant with assembly A propellant cutting assembly and method of using the assembly to cut samples of solid propellant in a repeatable and consistent manner is disclosed. The cutting assembly utilizes two parallel extension beams which are shorter than the diameter of a centr... | 04/30/2002 |
| 6352030 | Gas generating eject motor A gas generating eject motor includes a case containing an ignitable low temperature gas generant material that does not produce toxic gases upon the combustion thereof. The gas generant material is generally contained with a screen enclosure housed withi... | 03/05/2002 |
| 6230626 | Flashless MK 66 rocket motor A flashless rocket propellent has a continuous potassium sulfate rod extending though the length of the propellent component. The flashless rocket propellent is particularly useful in the MK 66 Rocket Motor.... | 05/15/2001 |
| 6155173 | Model rocket motor retainer A retainer for model rocket motors having a flange (10) with a concavity (18). Several supports (12) extend perpendicular from the flange (10) and extend to the rocket frame (20). Mounts (14), parallel to the flange (10), abut each of the supports (12). E... | 12/05/2000 |
| 6148610 | Solid propellant charge for a propulsion unit and propulsion unit equipped with such a charge A solid propellant charge for a propulsion unit (1). The latter includes a casing (2) containing the solid propellant charge (3), in the form of an elongated body having a longitudinal axis (X--X), which charge (3) has, over part of its longitudinal exten... | 11/21/2000 |
| 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 |
| 6101948 | Method of manufacturing solid rocket motors A method for manufacturing solid rocket motors comprises placing a mandrel having at least one collapsible solid slot former positioned thereon substantially centrally along the axis of a rocket case, casting uncured solid rocket propellant about the mand... | 08/15/2000 |
| 5682009 | Propellant containing a thermoplatic burn rate modifer There is disclosed a propellent having a deterred burn rate. The propellent is a particulate containing an energetic binder base and a thermoplastic burn deterrent. The energetic binder has in impetus (energy) in excess of 200,000 foot pounds per pound (m... | 10/28/1997 |
| 5616882 | High energy rocket propellant A rocket propellant of improved Isp and thrust is provided by modifying a rocket fuel of RP-1 (a kerosene fraction). Such fuel is combined with an oxidizer (e.g. liquid oxygen, LOX) which defines a rocket propellant of the prior art. Such propellant is mo... | 04/01/1997 |
| 5524544 | Nitrocellulose propellant containing a cellulosic burn rate modifier There is disclosed a propellent having a deterred burn rate. The propellent is a particulate containing a nitrocellulose base and a cellulosic thermoplastic deterrent, preferably cellulose acetate butyrate or cellulose acetate propionate. The deterrent is... | 06/11/1996 |
| 5518054 | Processing aids for gas generants In a gas generant composition for automotive airbag inflation, a gas generant composition comprises a fuel and an oxidizer the composition includes a metal oxide or metalloid oxide and a processing aid which is a mixture of mica and a salt of a fatty acid... | 05/21/1996 |
| 5386776 | Bore mitigants for solid propellant rocket motors Methods and materials for modifying rocket motors to render them safer are disclosed. The invention is primarily related to placing within the bore of a rocket motor a sufficient quantity of a material mitigant such that if the rocket motor receives an un... | 02/07/1995 |
| 5379699 | Active spray rocket propellant ignition controller An igniter for solid fuel rockets in which hot gases from an initiator are hanneled to drive a piston against a reservoir of combustion modifying fluid, like ethylene glycol, so as to spray the fluid onto the propellant grain just before ignition. After th... | 01/10/1995 |
| 5119627 | Embedded pressurization system for hybrid rocket motor A solid propellant component grain is supported in a combustion chamber. A liquid propellant component container is mounted forward of the combustion chamber. The liquid propellant component is supplied through conduits from the container into the combust... | 06/09/1992 |
| 5085725 | Method of chemical bonding of solid propellant grains to the internal insulation of an interceptor motor The trimer of 1,6-hexanediisocyanate, which has the chemical name in acconce with (International Union of Pure and Applied Chemistry) (IUPAC) nomenclature of 7-aza-8-oxo-7[1-isocyanato-6-oxohexyl]pentadecanediisocyanate, is employed in a method of c... | 02/04/1992 |
| 5038561 | Thermal insulators for rocket motors A thermal insulator for a rocket motor body comprises a member adapted to be fitted as a sleeve on the outer surface of the body the member comprising a composite of cork having on its outer surface a layer of fibre reinforced polymeric material wherein a... | 08/13/1991 |
| 5032201 | Method for the production of a combustion chamber for solid propellant rocket motor Sectors of tubes are adhesively fixed around a prefabricated propellant, the sectors being juxtaposed edge to edge to constitute a cylindrical tube, and a winding is formed around the tube at least in circumferential direction. The front and rear walls wh... | 07/16/1991 |
| 4961380 | Energetic azido eutectics A low freezing point eutectic solid propellant plasticizer composition component comprising a mixture of 1,5-dinitrato-3-nitrazapentane and 1,5-diazido-3-nitrazapentane having a eutectic freezing point below about -25° C.... | 10/09/1990 |
| 4856276 | Variable mass flow rate solid propellant grain A solid propellant grain for a gas generator such as a missile canister erection actuator. The grain provides a sustain phase followed by a boost phase which may then be followed by another sustain phase. The aft portion of the grain may have the configur... | 08/15/1989 |
| 4836961 | Method of and apparatus for casting solid propellant rocket motors A method of and apparatus for casting uncured solid propellant in solid propellant rocket motors includes a casting bayonet having annular slits formed in the exit end thereof that improve the fluidity and self-leveling behavior of the uncured propellant.... | 06/06/1989 |
| 4821511 | Liner for a solid propellant rocket motor A curable liner for a solid propellent rocket motor includes a radiopaque material uniformly blended therein to provide a sufficient density difference between the propellant and insulator to enhance non-destructive X-ray evaluation of the liner propellan... | 04/18/1989 |
| 4764316 | Process for preparing solid propellant grains using thermoplastic binders and product thereof Thermoplastic elastomer particulates, oxidizer particulates, fuel particulates, plasticizers and other propellant formulation ingredients are mixed to produce a dry blend. The dry blend is tightly packed into a rocket motor casing or mold. The dry blend i... | 08/16/1988 |
| 4756251 | Solid rocket motor propellants with reticulated structures embedded therein to provide variable burn rate characteristics A solid propellant grain which comprises an homogeneous mass of propellant material including an oxidant. A variable burn rate is provided by embedding a reticulated structure in a portion only of the propellant mass. The reticulated structure may be coat... | 07/12/1988 |
| 4744300 | Utilization of metal hydride and acidic reagent for the accelerating of masses and propulsion devices for applying such materials The utilization of metal hydride and an acidic reagent for the accelerating of masses, and propulsion devices for applying such materials. The materials are of a saline complex metal hydride and acidic reagent which is sprayed onto the metal hydride which... | 05/17/1988 |
| 4729317 | Concentric layer ramjet fuel An air-breathing solid fuel rocket motor containing a solid fuel ramjet gn having a plurality of concentric layers of solid fuel which provide a means of controlling the thrust of the motor.... | 03/08/1988 |
| 4696233 | High propellant mass fraction highly stress relieved end-burning grain structure An end-burning grain structural arrangement for a solid rocket propellant is formed by two parallel inhibited grain components formed into an "S" shaped cross section. The components form a fully case bonded system and the two components are separated fro... | 09/29/1987 |
