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| Number | Title | Issue Date |
| 7878259 | Disposable tubular fire extinguisher One embodiment of the invention is a hand-held fire extinguisher including: a tube having an open outlet end, an outer surface, and an inner surface; a fire suppressant composition provided within the tube; a propellant source containing a propellant, having a prope... | 02/01/2011 |
| 7419010 | Seal breaking apparatus of gas cylinder The present invention provides a fire extinguisher. The fire extinguisher has two cylindrical bodies that can house a plurality of gas cylinders; a plurality of cylinder holders; a plurality of needle tubes that can break sealing plates sealing the gas cylinders; an... | 09/02/2008 |
| 7318484 | Self servicing fire extinguisher with external operated internal mixing with wide mouth and external pressurized canister Improvements to a portable fire extinguisher where the improvements relate to a system where the owner of the extinguisher can service and maintain their fire protection. Systems in place today require the servicing of a third party. The service companies (third par... | 01/15/2008 |
| 7276640 | Metal oxide nanoparticles for smoke clearing and fire suppression Methods of reducing smoke levels in smoke-affected areas, reducing the level of toxic compounds produced by fires, fire suppression, and increasing flame retardancy. In particular, methods according to the present invention comprise dispersing nanocrystalline partic... | 10/02/2007 |
| 7174965 | Fire extinguishing method by gas and extinguishing device It is disclosed that a fire extinguishing method by gas, characterized in that, a fire extinguishing chemical of a gas type comprising at least one member selected from a group consisting of argon, nitrogen and carbon dioxide is discharged using foams, powder or wat... | 02/13/2007 |
| 7156184 | Inert rendering method with a nitrogen buffer The invention relates to an inert rendering method for preventing and/or extinguishing fires in enclosed spaces, wherein an oxygen-inhibiting gas is introduced into the target area in order to adjust a first basic level of inertion with a reduced oxygen content in c... | 01/02/2007 |
| 7143833 | Portable fire-extinguisher A portable aerosol fire-extinguisher has an elongate metal casing (3) with a handle (2) and an internal chamber (4) for housing a charge (5) of a solid substance which can be transformed, at a predetermined temperature, into an aerosol wi... | 12/05/2006 |
| 7128163 | Self servicing fire extinguisher with external operated internal mixing with wide mouth and external COchamber Improvements to a portable fire extinguisher are disclosed. The improvements allow for frequent and simpler untrained and automatic self servicing of a fire extinguisher. The improvements include an anti-bridging mechanism that can be articulated from the exterior o... | 10/31/2006 |
| 6868915 | Method for suppressing developing explosions A method for suppressing developing explosions, in particular in containers or rooms with explosive dusts or gases, having a gas generator whose pressure gas expels the extinguishing agent from its container as a unit after a maximum pressure is reached and then dis... | 03/22/2005 |
| 6016874 | Compact affordable inert gas fire extinguishing system A compact, affordable fire extinguishing system utilizes a combination of compressed inert gas tanks and solid propellent gas generators to provide a blend of inert gases to extinguish fires in an enclosure. The compressed inert gas tanks may contain gase... | 01/25/2000 |
| 5992528 | Inflator based fire suppression system A fire extinguisher comprises a pressure bottle containing the fire extinguishing material and having mounted therein a diffuser-actuation housing. A source of pressurized gas is in at least one of the pressure bottle or the housing or may be in both. The... | 11/30/1999 |
| 5785127 | User back-mounted fire suppressor A pressurized fire suppressor is provided of the type mountable on a user's back for selectively discharging a fire suppressant toward a fire, and which has a reservoir for holding the fire suppressant under pressure. The fire suppressor comprises: a high... | 07/28/1998 |
| 5664631 | Apparatus for impulse fire extinguishing The invention relates to an apparatus for impulse fire extinguishing which includes an ejection tube for storing fire fighting powder or liquid and a container for storing gaseous propellant. The container is connected to the ejection tube. A quick action... | 09/09/1997 |
| 5609210 | Apparatus and method for suppressing a fire There is provided an apparatus for suppressing a fire. The apparatus includes a gas generator charged with a combustive propellant. Upon ignition, the combustive propellant generates a copious volume of gas. The gas is directed by a first conduit to a cha... | 03/11/1997 |
| 5275243 | Dry powder and liquid method and apparatus for extinguishing fire A method and apparatus for extinguishing fires by simultaneously applying a spray of dry powder and liquid/liquid-foam, including a nozzle for the simultaneous spray of powder and liquid/liquid-foam, wherein the velocity of the powder stream can be adjust... | 01/04/1994 |
| 4020904 | Dispersion nozzle with removable dispersion element A nozzle construction including inlet and outlet ends is provided and the inlet end of the nozzle is adapted to be secured in the discharge port of a fire extinguisher. The outlet end of the nozzle is of a configuration designed to afford a stream-type di... | 05/03/1977 |
| 4020905 | Construction of fire extinguishers A simplified extinguisher achieves a constant and uniform ratio between the impelling gas charge and the extinguishing material charge by directing the impelling gas downwardly into the discharge outlet at a lower level of the extinguisher charge; and exp... | 05/03/1977 |
| 3965988 | Fire extinguishing method and apparatus A chemical fire extinguishing apparatus which includes a chemical storage chamber, chemical discharge conduct connected to the chamber for conveying and distributing the chemical, and a source of relatively high pressure gas connected to the chamber and c... | 06/29/1976 |
