Famous Patents
William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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 |
| 7409911 | Propellant for fracturing wells An apparatus for fracturing wells employs a propellant charge and an ignition cord wrapped around the outer surface of the propellant charge to rapidly ignite the outer surface of the propellant charge. ... | 08/12/2008 |
| 7240618 | Explosive device with accelerated bioremediation capacity Technology for in situ remediation of undetonated explosive material. An explosive apparatus contains an explosive material in close proximity with a carrier containing microorganisms and with nutrient for the microorganisms. An explosive mixture capable of self rem... | 07/10/2007 |
| 7226078 | Inflator projectile Systems, methods, and apparatus for use in an airbag inflation system are disclosed. An explosively formable projectile piece is positioned adjacent to an opening and, upon deployment of an initiator, is forced through the opening, thereby changing the shape of the ... | 06/05/2007 |
| 7077044 | Method for bioremediating undetonated explosive device Technology for in situ remediation of undetonated explosive device. An explosive device contains an explosive material in close proximity with microorganisms capable of metabolizing the explosive material that are either mobile or temporarily deactivated by freeze d... | 07/18/2006 |
| 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 |
| 6936456 | Bioremediation of nitrogenous contaminants A novel process for the remediation of nitrogenous energetic materials such as 1,3,5,-trinitro-1,3,5-triazine (RDX) which can be used in situ on contaminated media is provided. The process comprises the bioremediation by one or more miccroorganisms capable of metabo... | 08/30/2005 |
| 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 |
| 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 |
| 6644200 | Method for bioremediating undetonated explosive device Technology for in situ remediation of undetonated explosive material. An explosive apparatus contains an explosive material in close proximity with microorganisms. An explosive mixture capable of self remediation in the form of an explosive material is in... | 11/11/2003 |
| 6635131 | Gas generating material for a vehicle occupant protection apparatus An apparatus comprises a vehicle occupant protection device and a gas generating material, which, when ignited, produces gas to actuate the vehicle occupant protection device. The gas generating material comprises a cubane compound having the general form... | 10/21/2003 |
| 6634299 | Gas generator The invention relates to gas generator comprising an outer housing made of plastic, in which a pyrotechnic propellant charge and an igniter having its own igniter housing are accommodated. The igniter housing consists at least partially of plastic and is ... | 10/21/2003 |
| 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 |
| 6615735 | Pyrotechnic gas generator The invention relates to a pyrotechnic gas generator comprising a gas-tight outer housing consisting of at least two parts, a first part of which being a receiving part for pyrotechnic material and a second part of which being a base part which is connect... | 09/09/2003 |
| 6571713 | Gas generator, vessel therefor and method of manufacturing the vessel A vessel for a gas generator is formed of a cylindrical body, and at least one partition wall situated inside the body to divide the interior of the body into a plurality of chambers. The partition wall has a plastic deforming portion at an outer peripher... | 06/03/2003 |
| 6516724 | Gas generator The invention relates to a gas generator comprising a generator housing which has a base part, and an electric igniter which has a rear side, is fastened in the base part and has connection lines on the rear side. The gas generator further comprises a pro... | 02/11/2003 |
| 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 |
| 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 |
| 6453816 | Temperature fuse with lower detonation point A temperature fuse for gas-generating mixtures consists of substances or mixtures of substances that have lower detonation points or decomposition points than the gas-generating mixture. In particular, the temperature fuse contains substances or mixtures ... | 09/24/2002 |
| 6414040 | Composition for generating smoke A composition for generating smoke, consisting essentially of at least one chlorine compound having a chlorine content of at least 56% by weight of the chlorine compound, and a mixture of at least one metal oxide and at least one metal. The metal oxide is... | 07/02/2002 |
| 6408760 | Method of manufacturing solid rocket motors The method for manufacturing solid rocket motors of the present invention comprises placing a mandrel having at least one easily disintegrative solid slot former positioned thereon substantially centrally along the axis of a rocket case, casting uncured s... | 06/25/2002 |
| 6386110 | Deforming charge assembly and method of making same A deforming charge assembly is provided which has an inner and an outer cylinder formed from carbon fiber. Each of the inner and outer cylinders have an inner circumference surface having an inner diameter and an outer circumference surface having an oute... | 05/14/2002 |
| 6354218 | Propellant for large-caliber ammunition A propellant system for launching a large-caliber projectile includes a propellant having at least three partial charges. The first partial charge is adapted to acceleration requirements of the projectile; the second partial charge has a higher combustion... | 03/12/2002 |
| 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 |
| 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 |
| 6334394 | Propellant charge arrangement for barrel-weapons or ballistic drives A propellant charge arrangement for barrel-weapons or ballistic drives comprises a conventional core charge having an ignition system and a consolidated propellant surrounding the core charge and having its own high electrical energy ignition system which... | 01/01/2002 |
| 6322649 | Process for providing gradual deployment of an airbag and a pyrotechnic charge for its implementation The invention relates to the field of protecting the occupants of a motor vehicle by an inflatable airbag. The invention relates to a process consisting in inflating an airbag (1) by a pyrotechnic generator (2) containing a double-composition charge (9) f... | 11/27/2001 |
| 6289814 | Heat source for airbag inflation gas generation via a dissociating material An apparatus and method for inflating an inflatable device which involve a heat source composed of a load of fuel material and an initiator is actuatable to be in heat transmitting communication such as to initiate dissociation of a gas source material to... | 09/18/2001 |
| 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 |
| 6177028 | Spontaneous firing explosive composition for use in a gas generator for an airbag A spontaneous firing explosive composition for use in a gas generator for an airbag containing a fuel, an oxidizer, a combustion modifier, and a binder.... | 01/23/2001 |
| 6176517 | Gas generating apparatus A gas generating apparatus for outputting a gas is provided. In one embodiment, the apparatus is an inflator having a propellant for supplying inflation gas(es) to an inflatable located in a vehicle. A confining member is located adjacent to the propellan... | 01/23/2001 |
| 6129023 | Process for providing gradual deployment of an airbag and a pyrotechnic charge for its implementation The invention relates to the field of protecting the occupants of a motor vehicle by an inflatable airbag. The invention relates to a process consisting in inflating an airbag (1) by a pyrotechnic generator (2) containing a double-composition charge (9) f... | 10/10/2000 |
| 6117254 | Initiator for airbag inflation gas generation via dissociation An apparatus and method for inflating a vehicular inflatable device are provided wherein inflation gas is produced via a dissociative material wherein an initiator includes an enhanced fuel pyrotechnic formulation which, in addition to initiating dissocia... | 09/12/2000 |
| 6101947 | Method of safety initiating combustion of a gas generant composition using autoignition composition The present invention relates to a low temperature autoignition composition for safely initiating combustion of a main pyrotechnic charge in a gas generator or pyrotechnic device exposed to flame or a high temperature environment. The low temperature auto... | 08/15/2000 |
| 6062142 | Autoignition system for inflator devices with separator that melts An autoignition system for use in an inflator or method of inflating includes a separator which divides a composition capable of spontaneous combustion or autoignition so that it cannot combust until the separator is removed or altered in form. The separa... | 05/16/2000 |
| 6053110 | Airbag generant wafer design with I-beam construction A gas generant wafer design having a channel region integrally formed into one or both of its sides or faces. Characteristic of the wafer is that the geometric design of the wafer is improved by increasing its cross-section in the same manner that an "I-B... | 04/25/2000 |
| 6039820 | Metal complexes for use as gas generants Gas generating compositions and methods for their use are provided. Metal complexes are used as gas generating compositions. These complexes are comprised of a metal cation template, a neutral ligand containing hydrogen and nitrogen, sufficient oxidizing ... | 03/21/2000 |
| 5997667 | Fire starting flare A fire starting flare suitable for hand-held launchers has a fuse and ignitor assembly within a flare core material such that as the flare is launched the fire ignites and as the flare lands the fuse reaches the ignitor assembly to set off the flare.... | 12/07/1999 |
| 5996501 | Blast and fragmentation enhancing explosive A dual explosive charge is described that simultaneously enhances blast and fragmentation characteristics of the charge, including an inner driven charge of a non-ideal explosive surrounded by an outer charge sleeve of a more nearly ideal explosive, deton... | 12/07/1999 |
