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| Number | Title | Issue Date |
| 7543654 | Sprinkler head cover and a sprinkler head A sprinkler head cover including a housing adapted to be attached to a sprinkler head which is connected to a water supply piping and in which, in the case of fire, a valve disposed inside the sprinkler head is opened to allow a fire-extinguishing liquid in the wate... | 06/09/2009 |
| 7353882 | Horizontal sidewall fire protection sprinklers A horizontal sidewall fire protection sprinkler is provided, including a deflector having a vertical face, transverse to the fluid flow from the output orifice, and a horizontal shelf positioned above and perpendicular to the vertical face. A portion of the horizont... | 04/08/2008 |
| 7343980 | Enhanced protection extended coverage pendent fire protection sprinkler An enhanced protection extended coverage pendent fire protection sprinkler has a body including a fluid passage and an output orifice sealed with a seal cap, two arms extending from the body and meeting at a hub, a release mechanism with a thermally-responsive eleme... | 03/18/2008 |
| 7337856 | Method and apparatus for suppression of fires An apparatus, system and method for suppression of fires are provided. In accordance with one embodiment of the invention, a housing is provided with a first opening (or set of openings), a second opening (or set of openings) and a flow path defined between the firs... | 03/04/2008 |
| 7314093 | Fast response sprinkler assembly for a fire extinguishing system A fast response residential sprinkler assembly includes a sprinkler body having a base and a frame extending from the base. The base has a passage extending therethrough defining an inlet and an outlet. A deflector is mounted to the frame and spaced from the outlet,... | 01/01/2008 |
| 7290618 | Fast response sprinkler head and fire extinguishing system A fast response, upright sprinkler head includes a body having a central orifice through which fire extinguishing fluid is expelled through an outlet end. A yoke, attached to the exterior surface of the sprinkler body, extends beyond the outlet end of the sprinkler ... | 11/06/2007 |
| 7185668 | Closing device for fluid passage A valve device for automatically closing a gas pipe when a fire breaks out. The valve device includes a gas thermosensitive generating composition, which decomposes and generates a large amount of gas within a short period when exposed to a high temperature. The val... | 03/06/2007 |
| 7182143 | Automatic appliance fire extinguisher system Embodiments of the invention provide fire extinguishers for appliances and methods. A fire extinguisher includes a container containing a pressurized fire retardant. A delivery tube is connected to the container and is in fluid communication with the pressurized fir... | 02/27/2007 |
| 7138603 | Device for remotely decoupling coupled objects with a fusible link underwater A device for remotely decoupling coupled objects with a fusible link underwater using a replaceable fusible link of appropriate electrical resistance, a method to supply a high-power charge of electricity across the fusible link, a mechanism held by the fusible link... | 11/21/2006 |
| 7096964 | Sprinklers The sprinkler includes the following structural members: a body (1) with a channel for liquid supply, a thermally responsive unit with a valve (4) closing the sprinkler outlet, and a thermally responsive unit attachment. In the first alternative embodi... | 08/29/2006 |
| 7036603 | Fast response sprinkler head and fire extinguishing system A fast response, upright sprinkler head includes a body having a central orifice through which fire extinguishing fluid is expelled through an outlet end. A yoke, attached to the exterior surface of the sprinkler body, extends beyond the outlet end of the sprinkler ... | 05/02/2006 |
| 7017673 | Sprinkling head for fire fighting systems A sprinkling or spraying head, for fire fighting systems, comprises a nozzle holder cap which is removably coupled to the body of the sprinkling head and comprises a plurality of nozzles designed for ejecting a fighting liquid in a nebulized form. ... | 03/28/2006 |
| 6976544 | Sprinkler A sprinkler comprising a temperature-activated means (1), a housing (2), a central nozzle (4), a side nozzle (5a, 5b), a first channel (9-15-6-12-13) for guiding a medium to the cent... | 12/20/2005 |
| 6964307 | Sprinklers The sprinkler includes the following structural members: a body (1) with a channel for liquid supply, a thermally responsive unit with a valve (4) closing the sprinkler outlet, and a thermally responsive unit attachment. In the first alternative embodi... | 11/15/2005 |
| 6923265 | Submerged thermally sensitive element for an automatic fire sprinkler An automatic fire sprinkler device for fluidly connecting to a water system of a fire sprinkler, including: (a) a housing having an inlet for fluidly connecting with the water system, and an outlet for fluidly connecting with a discharge unit having a deflector for ... | 08/02/2005 |
| 6814031 | Combustion air shutoff apparatus for a fuel-fired heating appliance A gas-fired water heater has a combustion chamber with a bottom wall defined by a perforated flame arrestor plate forming a portion of a flow path through which combustion air may be supplied to a burner structure within the combustion chamber. During firing of the ... | 11/09/2004 |
| 6805203 | Cover plate for concealed sprinkler A cover plate for a concealed sprinkler includes a member having at least one passageway section enabling heated air to pass between the cover plate and the sprinkler housing and towards the sprinkler head to permit the timely activation of the sprinkler head. In on... | 10/19/2004 |
| 6799639 | Horizontal sidewall sprinkler head A horizontal sidewall sprinkler head includes a tubular body with an inlet opening communicated with a source of water and an outlet opening normally closed by a valve member, and a cylindrical frame connected to the body. A deflector is disposed in the frame and is... | 10/05/2004 |
| 6752217 | Dry accelerator for sprinkler system An accelerator for venting a pressurized gas source to the ambient is disclosed. The accelerator includes a first gas compartment connected to the pressurized gas source. A second gas compartment is connected to the first gas compartment through a one-way valve allo... | 06/22/2004 |
| 6708771 | Low pressure electro-pneumatic and gate actuator An electro-pneumatic actuator having AND gate logic characteristics is disclosed. The actuator has three chambers each divided into two chamber portions by respective flexible diaphragms. One of the diaphragms acts as a valve closing member and controls the flow of ... | 03/23/2004 |
| 6669111 | Protector for thermally responsive member of sprinkler head A removable protector for protecting a thermally responsive member of a sprinkler head includes first and second shields each having protective surfaces. The protective surfaces are positioned to protect portions of the thermally responsive members that a... | 12/30/2003 |
| 6666277 | Low pressure pneumatic and gate actuator A pneumatic actuator having AND gate logic characteristics is disclosed. The actuator has three chambers each divided into two chamber portions by respective flexible diaphragms. One of the diaphragms acts as a valve closing member and controls the flow o... | 12/23/2003 |
| 6641059 | Sprinkler head cover A releasable protective cover assembly for a sprinkler head is activated by heat and substantially immune to damage from blows and inappropriate use due to its dome shape, which deflects attempts to damage the cover or to abuse the sprinkler head.... | 11/04/2003 |
| 6615927 | Automatic sprinkler of fire detector type and sprinkler system including the sprinkler An automatic sprinkler of fire detector type being electrically switchable when the sprinkler is opened due to detachment of heat actuatable element from the sprinkler is provided, and, thus, fire-protective signaling and controlling system associated wit... | 09/09/2003 |
| 6585054 | Fast response sprinkler head and fire extinguishing system A fast response, upright sprinkler head includes a body having a central orifice through which fire extinguishing fluid is expelled through an outlet end. A yoke, attached to the exterior surface of the sprinkler body, extends beyond the outlet end of the... | 07/01/2003 |
| 6536533 | Low pressure actuator for dry sprinkler system Embodiments of a low-pressure actuator, for use in a dry, low-pressure, pressurized gas, liquid fire control and suppression sprinkler system, with a pneumatic/electric double interlock mechanism, which requires that two separate events, such as dischargi... | 03/25/2003 |
| 6520265 | Double-blade deflector for side wall sprinkler An automatic sidewall sprinkler includes a body, a deflector, a closure member, and a trigger. The deflector is movably mounted between a retracted position wherein at least a portion of the deflector is recessed within the body and an extended position f... | 02/18/2003 |
| 6491110 | Thermal ampoule for sprinkler An electrical thermal glass ampoule for fire fighting sprinkler is disclosed. The ampoule(200) according to the present invention comprises a closed hollow cylindrical glass casing(100), an electrically heating coil(120) installed inside of said glass cas... | 12/10/2002 |
| 6484809 | Molded sprinkler cover assembly and method for manufacturing the same A sprinkler cover assembly includes a polymeric sprinkler housing which is configured to receive a sprinkler head. The sprinkler cover assembly also includes a polymeric cover for covering an open end of the polymeric sprinkler housing. Moreover, the spri... | 11/26/2002 |
| 6439315 | Automatic sprinkler head A sprinkler head includes a body having one end adapted for connection to a supply of pressurized fluid and the other end closed by a valve element, and a thermally responsive assembly for normally holding the valve element in a closed position and openin... | 08/27/2002 |
| 6378616 | Low pressure actuator for dry sprinkler system A low pressure actuator for use in a dry, low-pressure, pressurized-gas, fire control and suppression sprinkler system for delivering an extinguishing liquid to a fire, wherein there is a system gas pressure of up to about 20 psi and an extinguishing liqu... | 04/30/2002 |
| 6374920 | Vertical sidewall sprinkler arrangement In the representative embodiments described in the specification, a vertical sidewall sprinkler arrangement has a deflector supported from the junction of a pair of frame arms of the sprinkler and arranged to direct water in a generally horizontal directi... | 04/23/2002 |
| 6367559 | Double-blade deflector for side wall sprinkler An automatic flush sprinkler side wall sprinkler assembly includes a sprinkler body, a deflector, a closure member, and a trigger assembly. The deflector is movably mounted to the sprinkler body between a retracted position wherein at least a portion of t... | 04/09/2002 |
| 6360825 | Automatic fire extinguisher system for use on cookstoves and ranges The present invention is an automatic fire extinguisher that is ideally suited for use with electric or gas stoves. The automatic fire extinguishing device is designed and configured to be removably secured to any sized commercial or residential range hoo... | 03/26/2002 |
| 6347669 | Sprinkler The invention relates to a sprinkler comprising a holder body (3), at least one nozzle (2), a heat-activated release means (18) and a cover (13) which in a protective position is arranged in front of said nozzle when the sprinkler is in an inactive mode, ... | 02/19/2002 |
| 6345670 | Spray head The invention relates to a spray head comprising a holder body (3'), at least one nozzle (2', 2c') and a cover (13') which in a protective position is arranged in front of said nozzle when the spray head is in an inactive mode, the spray head comprising m... | 02/12/2002 |
| 6340058 | Heat triggering fire suppressant device A fire suppressant device that may be rendered automatic by exposing the device to an elevated temperature. The preferred device comprises a canister housing with a uniform cross section throughout its length, and includes a piston member disposed for sli... | 01/22/2002 |
| 6296062 | Installation for extinguishing fire, spray head The invention relates to an installation for extinguishing fire, the installation comprising a number of spray heads (330a, 380a), a pipe system (381) for leading extinguishing medium to the spray heads, which spray heads comprise a holder body having an ... | 10/02/2001 |
| 6230815 | Sprinkler or spray head The invention relates to a sprinkler or a spray head comprising a housing (2), an inlet (3), a nozzle (4) mounted in the housing, a passage (17-18-13) from the inlet to the nozzle, and a holder (8) for a release means, the holder being mounted in front of... | 05/15/2001 |
| 6209654 | Deluge fire sprinkler system A deluge fire sprinkler system for suppressing fires occurring in an air environment, the air having an atmospheric pressure, the deluge fire sprinkler system including a network of water pipes having an interior volume, a water input port opening the int... | 04/03/2001 |
