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Class 169/71 - Gas pressure


Subclass of Class 169 - Fire extinguishers
Definition: Apparatus, wherein a pressurized gas means is provided and
No. of patents: 52
Last issue date: 09/14/2010


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NumberTitleIssue Date
7793737Self 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...
09/14/2010
7419010Seal 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
7350677Fluid product dispenser
A fluid product dispenser having a reservoir of fluid product defining a moveable actuating wall, a distribution orifice, and a spring structured to act on the actuating wall to produce a state of maximum volume of the reservoir. The spring co-operates with an armin...
04/01/2008
7341238Device for locking out a pressurized storage container and method for the same
A device and method for locking out an explosion suppressor that includes a discharge valve with a load end and a discharge end. The load end and the discharge end define a discharge path therethrough. The discharge valve includes a side opening transverse of the di...
03/11/2008
7276640Metal 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
7216721Fire extinguisher unit
A fire extinguisher unit that can be grasped and operated with a single hand. The unit includes a single-hand fire extinguisher and a holder for releasably supporting the fire extinguisher on a vertical surface. The fire extinguisher has a cylindrical canister housi...
05/15/2007
7182881Fire extinguishing agent and fire extinguisher
A fire extinguishing agent contains at least one compound selected from the group consisting of an alkali hydrogencarbonate and an alkali carbonate, the alkali hydrogencarbonate being thermally decomposed to generate carbon dioxide and an alkali carbonate, a metal o...
02/27/2007
7143833Portable 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
7140514Drinks dispensing device with a removable handle
A drinks dispensing device (1, 25) is provided with a cooling chamber and a tap head for receiving a shut-off valve (32) of a drinks container which has been positioned in the cooling chamber. The tap head comprises a displacement member (45) an...
11/28/2006
7124833System for delivery of breathable fire extinguishing gas
This invention relates to an improved portable system for the delivery of a breathable, fire extinguishing gas mixture to a fire zone. The gas mixture comprises a normally gaseous inert material, such as nitrogen, helium or argon; an oxygen containing gas; and carbo...
10/24/2006
7121354Fire extinguishing device and method
A fire extinguishing device and associated methods. The device is adapted to be positioned in proximity to a fire and operable in response to heat output by the fire. The device includes a first reservoir, containing a fluid, adapted to receive the heat from the fir...
10/17/2006
7044404Pneumatic liquid-delivery device
A fluid delivery device for supplying fluids, particularly automotive fluids supplied to fluid reservoirs. To attain this, a vessel configured to hold a liquid includes a pressurized gas inlet configured to receive gas into the vessel through a passageway in an inte...
05/16/2006
6991041Compressed air foam pumping system
A compressed air foam system for use in extinguishing fire includes a conduit, a water flow sensor, a foam proportioning apparatus, an air conduit, an air flow sensor, an air flow control valve and a system controller. The water flow sensor is configured to sense a ...
01/31/2006
6907940Fast response fluid flow control valve/nozzle
Disclosed herein is a fast response fluid flow control valve/nozzle that combines the technology used to rupture the frangible discs found in pressurized container-based fire protection/suppression systems with that found in fixed pipe spray/sprinkler systems. The a...
06/21/2005
6886640Fluid spray nozzle and fire extinguisher
The invention is aimed at generating a finely dispersed gas-and-drop flow with its cross-section in the shape of an ellipse and uniform intensity distribution. A fluid spray nozzle is built in the form of a body (1) with two coaxial channels (2) of the same cross-se...
05/03/2005
6840331Portable breathable fire extinguishing liquefied gas delivery system
This invention provides a means for transporting and delivering highly effective, breathable fire fighting inert gases to a fire zone, whereby the normally inert gas is transported to the fire in liquid or compressed form. ...
01/11/2005
6663017Device for generating a pressurized stream of treating media
A device for generating a pressurized stream of treating media including a vessel (4) containing the treating media (6), a pressurized fluid delivery assembly (16) for delivering a pressurized fluid to the vessel (4) and a conduit (14) for transporting th...
12/16/2003
6622801Portable aerosol-type fire-fighting protection device
A portable aerosol-type-fire-fighting protection device comprises a hollow body (1) which includes in the interior (10) thereof, and communicating with the exterior by way of an opening (3), a chamber (11) for accommodating a solid substance (7) capable o...
09/23/2003
6543547Portable foam fire extinguisher with pressured gas foam
In a portable foam fire extinguisher with pressurized foam stabilization, including a container for the fire extinguishing medium, a pressurized gas bottle in communication with the container and a fire extinguisher gun connected to the container by a hos...
04/08/2003
6510901Portable fire protection apparatus and method using water mist
The method of extinguishing a fire characterized by production of flames openly rising above an upwardly presented liquid fat or grease zone, in a fryer, the fat or grease being combustible to produce the fire, the steps that include locating a mist formi...
01/28/2003
6276459Compressed air foam generator
A foam generating device includes a source of compressed gas and a source of liquid adapted to produce a foam. A gas operated pump such as a diaphragm pump is provides which has a gas inlet communicating with the compressed gas source to drive the pump, a...
08/21/2001
6267183Fire suppressant foam generation apparatus
The fire suppressant foam generation and application apparatus comprises a backpack mounted unit that produces a low moisture content fire suppressant foam for use in fire fighting applications. This apparatus draws fire suppressant foam concentrate from ...
07/31/2001
6241164Effervescent liquid fine mist apparatus and method
An apparatus for creating a fine liquid mist includes a container capable of holding fluid; one of a perforated basket and a porous bag disposed in the container; a liquid supply connector connected to the container; a mixing chamber connected to the cont...
06/05/2001
6202755Fire extinguishing agent and method of preparation and use thereof
A fire extinguishing agent includes an oxygen depleting agent, a heat removing endothermic agent, and a flame retarding agent. According to a preferred embodiment of the invention, the oxygen depleting agent is preferably a halon gas mixture of equal part...
03/20/2001
6138768Gas type fire extinguisher
A fire extinguisher including a gas cylinder filled with an extinguishing gas and installed in a cylindrical main casing that has a nozzle head at one end and a spring-loaded bottom cover at another end. The gas cylinder is retained in the main casing by ...
10/31/2000
5996699Installation for fighting fire
An installation for fighting fire, having a hydraulic accumulator which has at least one pressure container with a space for extinguishing liquid and a space for propellant gas, a rising tube arranged in the pressure container and provided with a side ope...
12/07/1999
5862867Gas-liquid mixture as well as unit and method for the use thereof
The present invention relates to a gas-liquid mixture especially for use as a fire extinguishing agent. The mixture contains a) at least one halogenated carbon or C1 -C10 hydrocarbon, b) a chemical compound having a high stream pressure and a ...
01/26/1999
5845716Method and apparatus for dispensing liquid with gas
A method and apparatus for dispensing a liquid, such as a fire suppressing gent, with a gas wherein both the liquid and a combustible propellant for generating the gas are stored in separate sealed compartments at atmospheric pressure. The liquid is stored...
12/08/1998
5785127User 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
5676210Method and installation for fighting fire
The object of the invention is to provide a new method and a new installation for fighting fire, including difficult smouldering fires, such as cable fires e.g. in the upper region of a room where the walls meet the ceiling. The fire is initially, in a fi...
10/14/1997
5676190Fire extinguisher
A fire extinguisher has a pipe member for containing a cylinder filled with liquefied extinguishing gas, and a pusher guide member and a nozzle having an ejection hole formed therein are fitted to upper and lower openings, respectively, of the pipe member...
10/14/1997
5664631Apparatus 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
5632337Fire-fighting equipment
In fire-fighting equipment having a drive unit for supplying extinguishing liquid, the drive unit is at least one hydraulic accumulator in which a high initial drive pressure falls to a reduced drive pressure in use. The hydraulic accumulator supplies onl...
05/27/1997
5615743Fire extinguisher
A fire extinguisher has a pipe member for containing a cylinder filled with liquefied extinguishing gas, and a pusher guide member and a nozzle having an ejection hole formed therein are fitted to upper and lower openings, respectively, of the pipe member...
04/01/1997
5607020Remote controlled, portable deluge systems and method
A portable, pallet-mountable, remotely controlled deluge system provides a means for rapidly delivering a large quantity of a liquid to a region of hazardous materials or a fire. An accumulator, mounted, for example, on a pallet is charged with a quantity...
03/04/1997
5551517Automatic fire extinguishing discharge valve
An automatic fire extinguishing discharge valve capable of attachment to a fire extinguisher thereby enabling automatic discharge of extinguishing medium upon sufficient impact or temperature rise. The automatic feature is controlled by maintaining a temp...
09/03/1996
5441114Portable system for extinguishing a fire
A system for extinguishing a fire includes a conventional fire extinguishing cylinder for releasing a pressurized fire extinguishing gas, and a device including a composition which includes a first reactant and a second reactant. The composition is activa...
08/15/1995
5291952Extinguishing agent container
A container for a fire extinguishing or explosion suppressing agent is provided with a pressure responsive, frangible disc which normally closes the outflow orifice for the agent. The container is provided with at least one gas-injection port to which a c...
03/08/1994
5152345Fire extinguishing tool
A fire extinguishing tool is formed as a paddle plate, including top and bottom planar surfaces coextensive relative to one another, with a handle mounted medially and longitudinally aligned relative to the plate to provide a grasping surface for an indiv...
10/06/1992
5069291Method and apparatus for suppressing explosions and fires and preventing reignition thereof
Apparatus for suppressing explosions comprises a reservoir containing hot pressurized water which is heated by a heater. On explosion conditions occurring in an enclosure a high speed differential pressure diaphragm is fractured to release a charge of hot...
12/03/1991
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