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| Number | Title | Issue Date |
| 7407598 | Flame suppressant aerosol generant The present invention is directed to pyrotechnic aerosol fire suppression compositions that burn rapidly, but coolly. The rapid burning of the compositions of the present invention produces a voluminous flame-suppressive aerosol that is useful in suppressing and/or ... | 08/05/2008 |
| 7334644 | Method for forming a barrier A method for forming a barrier to seal off a remote chamber includes the steps of: forming a borehole that communicates between a first location and the remote chamber; inserting a conduit through the borehole to extend into the remote chamber; introducing a flowabl... | 02/26/2008 |
| 7228916 | Explosion suppression system Explosion suppresant container, for use in suppression of deflagrative explosions and other like events involving combustion associated with rapidly moving gases, comprising a container which, in use, contains suppressant, an outlet through which suppressant can exi... | 06/12/2007 |
| 7104336 | Method for fighting fire in confined areas using nitrogen expanded foam The method of the invention comprises the steps of proportioning a foam concentrate into a non-flammable liquid to form a foam concentrate/liquid mixture and creating a flowing stream of the foam concentrate/liquid mixture. Nitrogen is introduced into the stream of ... | 09/12/2006 |
| 7096965 | Method and apparatus for fighting fires in confined areas The method of the invention comprises the steps of proportioning a foam concentrate into a non-flammable liquid to form a foam concentrate/liquid mixture and creating a flowing stream of the foam concentrate/liquid mixture. Nitrogen is introduced to the stream of th... | 08/29/2006 |
| 7070003 | Canister fire extinguishing assembly A canister fire extinguishing assembly includes a device that is adapted for removably coupling to a fire extinguisher. The device includes a container that has a bottom wall and a peripheral wall that is attached to and extends upwardly from the bottom wall. The pe... | 07/04/2006 |
| 6962207 | Fire fighting apparatus A fire fighting apparatus has releaseable spray heads, a tube system for leading extinguishing medium from an extinguishing medium source to the spray heads, and at least one drive gas source for driving the extinguishing medium at a high pressure via the tube syste... | 11/08/2005 |
| 6918447 | Fire protection apparatus and method A fire protection apparatus includes a plurality of bladders that are substantially filled with a non-flammable liquid via a manifold that is coupled to a source of non-flammable liquid and includes one or more nozzles that discharge the non-flammable liquid into ea... | 07/19/2005 |
| 6824076 | Pneumatic control system for a water cannon A method and apparatus are provided for pneumatically controlling the operation of a water cannon such that the need for electrically power in the immediate vicinity of the water cannon is substantially avoided. ... | 11/30/2004 |
| 6612373 | Apparatus and method for off-road vehicle fire protection and fire suppression The present invention provides an apparatus and method for the protection of off-road vehicles, such as ladle carriers, pot carriers, slag carriers and front end loaders which are used in high heat or flammable environments. The present invention prevents... | 09/02/2003 |
| 6557374 | Tunnel fire suppression system and methods for selective delivery of breathable fire suppressant directly to fire site A total flood fire suppression system is provided for transportation tunnels and other human-occupied environments, which employs a selective gas delivery method for supplying a breathable fire-extinguishing agent to a location closest to a fire site. The... | 05/06/2003 |
| 6378617 | Apparatus and method for off-road vehicle fire protection and fire suppression The present invention provides an apparatus and method for the protection of off-road vehicles, such as ladle carriers, pot carriers, slag carriers and front end loaders which are used in high heat or flammable environments. The present invention prevents... | 04/30/2002 |
| 6244353 | Fire extinguishing device A fire extinguishing device for extinguishing a fire from a stationary fire extinguisher. The fire extinguishing device includes a housing having a top wall. A peripheral wall is integrally coupled to and extending downwardly away from the top wall such t... | 06/12/2001 |
| 5909777 | Method and apparatus for stopping the spread of a fire in an underground mine An assembled length of water pipe sections having a nozzle pipe section at an inby end is moved from a crosscut of a mine into a mine entry to stop the advance of a fire in the entry without requiring firefighters to be positioned in the fire entry. The n... | 06/08/1999 |
| 5655675 | Storage rack system with fire extinguishing device A support beam for a storage rack has a tubular profile, which defines a ledge opening upwardly and inwardly, and which defines a generally flat, indicia-receiving surface facing outwardly and either downwardly or upwardly at an angle from about 20° to a... | 08/12/1997 |
| 5469920 | Inflatable partition for fighting mine fires The seal is a lightweight, inflatable, bag which may be inflated by a portable air generator and is used to seal a burning mine passage. A collapsible tube-like aperture extends through the seal and allows passage of high expansion foam through the seal i... | 11/28/1995 |
| 5386917 | Storage rack system with fire extinguishing device A support beam for a storage rack has a tubular profile, which defines a ledge opening upwardly and inwardly, and which defines a generally flat, indicia-receiving surface facing outwardly and either downwardly or upwardly at an angle from about 20° to a... | 02/07/1995 |
| 5373932 | Fire barrier A fire barrier apparatus includes a wall separating two adjacent spaces, extending in a predetermined plane and formed from a fire resistant material. The wall has an opening. The apparatus further includes a conveyor defining a conveyor path which extend... | 12/20/1994 |
| 5368105 | Cryogenic slurry for extinguishing underground fires A cryogenic slurry comprising a mixture of solid carbon dioxide particles suspended in liquid nitrogen is provided which is useful in extinguishing underground fires.... | 11/29/1994 |
| 5353879 | Door having smoke reducing apparatus associated therewith A door includes an apparatus for reducing smoke associated therewith. The door is particularly advantageous in reducing smoke in a fire to thereby allow a firefighter or a victim trapped in a fire to readily indentify an exit. The door includes a nozzle o... | 10/11/1994 |
| 5188186 | Barricade for isolating open areas from spreading fire or smoke An expandable barrier for isolating a mine entry or similar open area is disclosed wherein the expandable barrier includes an expandable hollow curtain or bag housed within a horizontal brace member connected to the roof of an entry, the expandable hollow... | 02/23/1993 |
| 5172767 | Water spray control system for underground mining machine A fire suppression water spray array for an underground mining machine includes an accumulator, and a normally open electrically operated valve interconnected in the machine hydraulic control system for operating a hydraulically operated water spray contr... | 12/22/1992 |
| 5119877 | Explosion suppression system An explosion suppression system and triggering apparatus therefor are provided for quenching gas and dust explosions. An electrically actuated suppression mechanism which dispenses an extinguishing agent into the path ahead of the propagating flame is act... | 06/09/1992 |
| 4805702 | Methods and apparatus for rock dusting mine tunnels The present invention relates to methods and apparatus for dispersing rock dust within a mine tunnel. The present invention is particularly useful for rock dusting coal mines. A quantity of rock dust is dispersed evenly over the conveyor system which runs... | 02/21/1989 |
| 4725370 | Coal fire extinguishing and prevention A method and formulation are provided which are effective for fighting coal fueled fires. The composition puts out the fire, penetrates the burning coal, disperses fire gases, and does not generate any gases that are toxic to humans. The basic formulation... | 02/16/1988 |
| 4641711 | Terminating persistent underground coal fires A series of specialty formulations of foaming mud cement are injected into an underground cavity containing an active coal fire. The fire is smothered and terminated with a blanket of foaming mud cement that sets into a cellular concrete. The lower sectio... | 02/10/1987 |
| 4474680 | Foam generating apparatus and method A foam generating apparatus includes a manifold defined by a rectangular metal block, into which a liquid and surfactant is introduced under very high pressure via a first longitudinally extending passage, and air is introduced via a second longitudinally... | 10/02/1984 |
| 4353292 | Assembly for storing and facilitating application of breathing devices An assembly installable at an underground mine site for storing breathing apparatuses and for facilitating access to and application of such apparatuses comprises a matrix of storage receptacles closable on a common side by respective spring-loaded hinged... | 10/12/1982 |
| 4284144 | Passive explosion barrier for mines A passive explosion barrier is provided for use in mining operations in suppressing mine explosions. The barrier basically comprises a receptacle or tub which contains an explosion suppressing substance, such as water, and is mounted on a frame adjacent t... | 08/18/1981 |
| 4237182 | Method of sealing interior mine surface with a fire retardant hydrophilic polyurethane foam and resulting product A fire-retarding polyurethane foam is applied to the interior surfaces of a mine such as mine shafts, entries and tunnels. The coating is applied by spraying a mixture of foam-forming ingredients including a hydrophilic polyoxyalkylene urethane prepolymer... | 12/02/1980 |
| 4213501 | Process and device for evaporating large quantities of low boiling liquefied gases Large amounts of low boiling liquefied gases are evaporated by heat transfer in a cylindrical combustion chamber without a convection component and a passage for the gas to be evaporated surrounds the combustion chamber so that the liquefied gas is expose... | 07/22/1980 |
| 4099572 | Vapor-gas mixture generating installation for extinguishing underground fires A combustion chamber of an installation before its narrow section is made as two concentric tubes with a common vertical wall portion, featuring passages for supply of fuel and air into an annular space between the tubes. This space is sealed off at the o... | 07/11/1978 |
| 4076862 | Method of treating earthen areas A method of treating barren earthen areas for inhibiting air and sun spoilation is disclosed, the method comprising forming an aqueous slurry of calcium sulfate hemihydrate with a small amount of defoamer using a quantity of water about 25-56% above norma... | 02/28/1978 |
| 3990517 | Prevention of self-ignition (spontaneous ignition) of coal through the use of calcium or magnesium chloride with addition of a wetting agent A new process has been devised for the application of a mixture of calcium or magnesium chloride and a non-ionogenic wetting agent for the prevention of the spontaneous ignition of coal, especially during underground mining operations, by applying the sam... | 11/09/1976 |
| 3977312 | Parachute stopping for mine ventilation use A parachute-type mine stopping used in ventilation control comprises a parachute-like canopy suspended from straps or lines secured to a roof bolt or the like. After the lines are so secured, the stopping is erected by merely lifting the upper edge of the... | 08/31/1976 |
| 3960217 | Passive explosion barrier A passive explosion barrier for suppressing the effects of an explosion in a mine gallery, or the like, comprises a receptacle containing an explosion suppressing substance adapted to be supported by framework adjacent the mine roof. In one embodiment, a ... | 06/01/1976 |
| 3958644 | Pressure sensitive explosion barrier A pressure sensitive exposion barrier which is activated by a static pressure rise. A liquid tight housing with a latched door contains the explosive suppression agent, usually water, until activation takes place. Upper hinges on the door allow it to be p... | 05/25/1976 |