Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 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 |
| 7243946 | Peroxide linear inflator An inflator includes a housing and a gas source material enclosed in a rupturable container in the housing. The gas source material is adapted to undergo decomposition to form an inflation gas. A reactant material is adapted to react with the gas source material to ... | 07/17/2007 |
| 7189289 | Cleaning agent and method for cleaning heater tubes Disclosed is a cleaning agent for heater tubes, which is capable of eliminating deposits such as soot particulates in tubes installed in industrial heaters that typically use oil, coal or gas. The cleaning agent of the present invention is prepared by formulating a ... | 03/13/2007 |
| 7124690 | Smoke producing mortar cartridge A mortar cartridge generates effective white or colored smoke obscuration with reduced adverse environmental impact and collateral damage, and provides an improved drag assembly that reduces drift during projectile descent and improves targeting. ... | 10/24/2006 |
| 7051658 | Temperature-independent propellant powder The proposed propellant powder exhibits a temperature-independent burning behavior and high ballistic stability. The production process starts with a perforated bulk powder grain, which is processed inside a mixing apparatus with a solid material, a plug-stabilizing... | 05/30/2006 |
| 6979022 | Flexible inflator with co-extruded propellant and moisture barrier A flexible inflator for an inflation assembly and related gas generating propellant compositions are provided. The flexible inflator includes at least one elongated strand of a propellant co-extruded with a moisture barrier. The propellant compositions are adapted f... | 12/27/2005 |
| 6913661 | Ammonium nitrate propellants and methods for preparing the same The present invention is directed to an age-stabilized and/or strengthened ammonium nitrate propellant composition wherein the strengthening agent is selected from the group consisting of azodicarbonamide, dicyandiamide, oxamide and mixtures thereof and wherein the ... | 07/05/2005 |
| 6908127 | Bumper with integrally formed energy absorber A bumper system comprising a metal tubular beam, an energy absorber and mounts. The metal tubular beam has a center section having front, rear, top, and bottom walls. The energy absorber includes a rail having a rear surface with a rearwardly-facing C-shaped recess ... | 06/21/2005 |
| 6817298 | Solid propellant gas generator with adjustable pressure pulse for well optimization A gas-generator is disclosed to intensify output of oil, gas, including gas from coal formations, or metals extracted by underground leaching by breakage and thermo gas chemical treatment of the critical formation zone with gaseous combustion products from a solid p... | 11/16/2004 |
| 6779458 | Method and apparatus for installing aft insulation in rocket motor case A method and an apparatus are devised to install an insulation rubber loop in the aft end of a rocket motor case. The method includes the making of a rubber strip into a rubber loop by casting. The rubber loop is partially cured and is then adhered to the inner wall... | 08/24/2004 |
| 6668725 | Methods, apparatus, and systems for accelerated bioremediation of explosives Technology for in situ remediation of undetonated explosive material. An explosive apparatus contains an explosive material in close proximity with a carrier containing microorganisms. An explosive mixture capable of self remediation includes an explosive... | 12/30/2003 |
| 6647888 | Oxidizer package for propellant system for rockets An oxidizer package for a propellant system for a motor in which the oxidizer is separated from fuel grain, the oxidizer package comprising oxidizer material and an ignition system therefor in a wrapping or sealing material. A hybrid rocket comprising oxi... | 11/18/2003 |
| 6524706 | Reduction of energetic filler sensitivity in propellants through coating A main energetic ingredient filler useful for propellant-based munitions, comprising filler particles having a fine particle size of less than about 10 micrometers diameter and a thin coating of graphite on the filler particles in an amount such that the ... | 02/25/2003 |
| 6508177 | Explosives with embedded bodies An explosive charge such as a cast booster charge (10, 110, 210) includes an explosive charge (14, 114, 214) having a first explosive matrix material (114a, 214a) with discrete bodies (118, 218) of a second material embedded therein. In some embodiments, ... | 01/21/2003 |
| 6502513 | Tablet form of gas generant A gas generant material body in the form of a tablet having a triangular cross section and associated methods of gas generation are provided.... | 01/07/2003 |
| 6494035 | Towing rocket motor assembly A towing rocket motor assembly has a tubular solid propellant grain defined by exterior surface area and interior surface area. The exterior surface area is inhibited from ignition within a tubular region of a housing. The housing includes a first end and... | 12/17/2002 |
| 6460461 | Hybrid generator with perforating pillar and two-tube body The present invention relates to the field of hybrid gas generators intended to inflate a protective airbag. The generator (1) consists of two metal tubes (50, 51) welded together, the upstream tube (50) being of one piece with an internal partition (26) that ... | 10/08/2002 |
| 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 |
| 6360526 | Rocket motor with desensitizer injector A rocket motor having a desensitizing mechanism for preventing explosion or violent reaction during slow cook-off is provided. The rocket motor includes a case contained rocket propellant with a desensitizing assembly attached forward of the propellant ch... | 03/26/2002 |
| 6352029 | Thermally actuated release mechanism This invention relates to explosive charges in which the chemical and physical composition changes gradually from point to point in order to accomplish differing, specific design objectives. More specifically, the invention relates to an explosive compris... | 03/05/2002 |
| 6345577 | Energetic deterrent coating for gun propellant Propellant compositions are coated with an energetic deterrent coating which reduces the burning rate at the surface of the propellant grain and causes the propellant to burn progressively. The use of energetic materials, that are slightly soluble in the ... | 02/12/2002 |
| 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 |
| 6051087 | Low smoke rocket motor liner compositions A formulation is provided which is capable of performing as a liner layer between a rocket motor casing and the propellant grain disposed within the interior of the rocket motor casing. The composition produces relatively little smoke during the operation... | 04/18/2000 |
| 6026749 | Multiple base propellant with combustion inhibitor A combustion inhibiting composition for use in conjunction with a solid, gas-generating charge, the composition comprising an organic polymeric material containing an oxygen-containing organic filler compatible with said polymeric material, the oxygen to ... | 02/22/2000 |
| 5970877 | Gun propellant coating A coating for a gun propellant powder wherein the graphite commonly used to coat a gun propellant powder is totally or partially replaced with molybdenum disulfide in an amount equal to or less than five tenths percent by weight of the propellant powder.... | 10/26/1999 |
| 5874688 | Explosives dispersed from a pressurized container The invention provides a method and apparatus (10) for loading a sensitized flowable explosive into a borehole. The apparatus (10) is portable and comprises containers 14, 16 which are pressurizable, for containing an explosive under pressure. Containers ... | 02/23/1999 |
| 5861571 | Gas-generative composition consisting essentially of ammonium perchlorate plus a chlorine scavenger and an organic fuel This invention relates to gas-generative compositions consisting essentially of ammonium perchlorate with a chlorine scavenger, such as strontium nitrate, barium nitrate, potassium nitrate, or lithium carbonate, the combination being present in an amount ... | 01/19/1999 |
| 5841065 | Gas generants containing zeolites In a gas generant composition containing a source of ammonia, such as an ammonium salt or an ammonia-transitional metal complex that emits ammonia as a degradation product, a zeolite, particularly chabazite, is added as an ammonia-absorbing material. In g... | 11/24/1998 |
| 5728633 | Interpenetrating network compositions and structures Structure, composition and method in which a fiber reinforcement is impregnated with an interpenetrating network of a light cure resin and a thermosetting resin which are independently curable, enabling autobody component repair, electronic assembly bondi... | 03/17/1998 |
| 5682013 | Gas generant body having pressed-on burn inhibitor layer A pyrotechnic grain or body of a gas generant having a consolidated or pressed-on, particulate inert burn inhibitor layer thereon. The inhibitor may be a metal oxide, metal sulfide, silica, silicate compound or mixtures thereof. The metal oxide is prefera... | 10/28/1997 |
| 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 |
| 5675102 | Method of assembling a hybrid inflator and related propellants A hybrid inflator for an automotive inflatable safety system is disclosed. In one embodiment, a mixture of an inert gas (e.g., argon) and oxygen are contained within the inflator housing and a hybrid propellant (i.e., ballistic properties similar to doubl... | 10/07/1997 |
| 5672843 | Single charge pyrotechnic A single charge pyrotechnic material comprising a metal fuel, an oxidizer and a secondary fuel which can be used to control the rate of reaction of the pyrotechnic. The composition can be used as a single charge igniter in an automotive air bag system in ... | 09/30/1997 |
| 5670740 | Heterogeneous gas generant charges A gas generant charge comprises a heterogeneous mixture of between about 80 and about 95 wt % of a first gas generant composition 1) and between about 5 and about 20 wt % of a second gas generant composition 2), based on the total weight of 1) plus 2). Th... | 09/23/1997 |
| 5659150 | Gas generating composition with cyanamide and transition metal nitrate The present invention comprises a gas generating composition for, when ignited, providing inflation fluid for inflating an air bag (16) of a vehicle occupant protection device (12). The composition comprises a cyanamide compound complexed with a transitio... | 08/19/1997 |
| 5627337 | Hybrid inflator and related propellants A hybrid inflator for an automotive inflatable safety system is disclosed. In one embodiment, a mixture of an inert gas (e.g., argon) and oxygen are contained within the inflator housing and a hybrid propellant (i.e., ballistic properties similar to doubl... | 05/06/1997 |
| 5623116 | Hybrid inflator and related propellants A hybrid inflator for an automotive inflatable safety system is disclosed. In one embodiment, a mixture of an inert gas (e.g., argon) and oxygen are contained within the inflator housing and a hybrid propellant (i.e., ballistic properties similar to doubl... | 04/22/1997 |
| 5602361 | Hybrid inflator A hybrid inflator for an automotive inflatable safety system and method for assembling the same. In one embodiment, a mixture of an inert gas (e.g., argon) and oxygen are contained within the inflator housing and a gun type propellant is used in the gas g... | 02/11/1997 |
| 5578787 | Gas generating agent of air bag inflation gas generator This invention relates to an air bag inflation gas generator used to inflate air bags such as air bags for impact safety devices, life jackets, rafts, and escape chutes, and particularly to a gas generating agent disposed within the device to generate a c... | 11/26/1996 |
| 5557059 | Tubeless cased telescoped ammunition A tubeless cased telescoped ammunition is disclosed. The ammunition is ignited and a sequenced ignition is achieved. The ammunition includes a sealing coating for delaying ignition of the main propellant. A sealing ring may also be used to sequence and de... | 09/17/1996 |
