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| Number | Title | Issue Date |
| 7870865 | Safety pressure relief device A pressure relief bursting disc has a flange portion, a sloping portion interior of the flange portion and a dished portion interior of the sloping portion. The sloping portion has its wider end joined to the flange portion and slopes up from the flange portion in a... | 01/18/2011 |
| 7784482 | Pressure relief device assemblies The present invention is directed to pressure relief devices and to corresponding pressure relief assemblies that have improved vacuum resistance, improved fragmentation resistance, and/or improved burst control while maintaining low mass. The pressure relief device... | 08/31/2010 |
| 7308903 | Pressure relief device A pressure relief device is provided. The pressure relief device includes a sealing member and a low-pressure support member that is adapted to provide support to the sealing member when the sealing member is subject to a certain pressure differential. The low press... | 12/18/2007 |
| 7234481 | Safety pressure relief device A safety pressure relief device comprises an annular flange portion (22), a concave/convex dome portion (24) and a transition portion (26) between the flange portion (22) and the dome portion (24), the transition portion (26... | 06/26/2007 |
| 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 |
| 7204265 | Bursting insert The present invention relates to a bursting insert for installation in a pipeline system for transporting a fluid showing a spontaneous exothermic reaction. The bursting insert comprises a wall which surrounds—at least in part on the outside—a passage volume hav... | 04/17/2007 |
| 7172731 | Apparatus for releasing pressure in a vacuum exhaust system of semiconductor equipment An apparatus for protecting a vacuum system of semiconductor equipment is disclosed. The apparatus comprises a process tool and a gas-exploding unit. The process tool includes a gas reaction chamber, and the process tool is connected with a first gas piping to exhau... | 02/06/2007 |
| 7156257 | Compressed gas cylinder The present invention provides a compressed gas cylinder that is capable of storing a compressed fluid at high pressures. The cylinder of the present invention includes a body terminating in an inwardly domed cap. The dome included in the cap of the compressed gas c... | 01/02/2007 |
| 7140380 | Cell safety valve and cell having same A cell according to the present invention comprises a positive electrode, a negative electrode, an electrolyte solution, and an outer casing, wherein the outer casing comprises a valve plate 30 having a thickness, an annular-shaped break groove 4 forme... | 11/28/2006 |
| 7089964 | Water pipe coupling with off-centered piercing assembly for tear out disk and method of removing disk A coupling used during testing of a water line including an upstream pipe and a downstream pipe connected by the coupling. A removable barrier disk prevents water from flowing through the connected pipes until after testing, when the disk is then detached from the b... | 08/15/2006 |
| 7032925 | Rupturable plate for inflator An inflator for an air bag, which inflates the air bag by a pressurized medium, has a rupturable plate that seals a pressurized portion of an inflator prior to an activation of the inflator. The rupturable plate is attached to the inflator by fixing a peripheral edg... | 04/25/2006 |
| 7011104 | Pressure relief device A pressure relief device is provided. The pressure relief device includes a sealing member and a low-pressure support member that is adapted to provide support to the sealing member when the sealing member is subject to a certain pressure differential. The low press... | 03/14/2006 |
| 7000630 | Flame front diverter element A flame front diverter element is designed to cause a minimal pressure drop under normal venting conditions when process vapors need to pass through the explosion protection system and to other equipment connected to the manifold system. In the event of a deflagrati... | 02/21/2006 |
| 6959828 | Non-fragmenting pressure relief apparatus A non-fragmenting pressure relief apparatus includes a rupture disc having a central bulged or flat section and a peripheral flange portion. Certain embodiments of the invention have a butterfly shaped element having two wing panels attached to the underside of a ru... | 11/01/2005 |
| 6955182 | Tamper proof relief valve for gas cylinder A relief valve includes an outlet and a cavity with a barb formed on an inner surface. An insert pressed into the cavity includes an inlet in communication with the contents of a pressurized container. A frangible member is trapped within the cavity by the insert an... | 10/18/2005 |
| 6792964 | Pressure relief device assemblies The present invention is directed to pressure relief devices and to corresponding pressure relief assemblies that have improved vacuum resistance, improved fragmentation resistance, and/or improved burst control while maintaining low mass. The pressure relief device... | 09/21/2004 |
| 6672389 | Bulged single-hinged scored rupture having a non-circular varying depth score line A unitary, forward buckling rupture disc is provided that is adapted to be mounted in a holder in which the disc is in closing relationship to a tubing string in an oil well and has greatest utility for testing the integrity of the connection between the ... | 01/06/2004 |
| 6571816 | Cell safety valve and method for manufacturing the same A cell safety valve which has a thin valve plate formed on a sheet-shaped sealing plate for sealing the cell such that if the inner pressure of the cell exceeds a predetermined value, the valve plate breaks to release a gas in the cell to the outside, in ... | 06/03/2003 |
| 6446653 | Rupture disk assembly An improved rupture disk assembly and methods and apparatuses for forming a rupture disk are disclosed. The rupture disk assembly includes a rupture disk having a flange connected to a dome-shaped rupturable portion by a transition area. The rupturable po... | 09/10/2002 |
| 6378544 | Pressure relief device and method of using the same The present invention relates to a pressure relief device and method of using the same. The pressure relief device includes a rupture element containing an inner layer made of an nonferrous-based composition that can preferably withstand contact with corr... | 04/30/2002 |
| 6116260 | Liquid material supplying apparatus and liquid material supplying method A liquid material supplying apparatus comprises: vessels 150, 250, each having gas inlet pipe 151, 251, discharge pipe 153, 253, and interconnection pipe 155, 255 capable of making the gas inlet pipe 151, 251 communicate with the discharge pipe 153, 253, the v... | 09/12/2000 |
| 6063198 | High pressure release device for semiconductor fabricating equipment The present invention provides an improved device, system, and method for handling accidental explosions in a substrate processing chambers typically used in chemical vapor deposition (CVD). In particular, the invention channels the force from an explosio... | 05/16/2000 |
| 6006938 | Enhanced reverse buckling rupture disc An improved reverse rupture disc for use as a safety pressure relief device is provided. The disc is defined by an annular flat flange region, a concave-convex disc dome region and a transition region that joins the disc-shaped flat flange region to the c... | 12/28/1999 |
| 5615912 | Inflator for air bag An apparatus (20, 320, 420) for inflating an air bag comprises a cylindrical container (40, 340, 440) that includes a tubular housing (42, 342, 442), a pair of axially opposite end walls (44, 46, 444, 446), and a longitudinal central axis (A, B, C). The c... | 04/01/1997 |
| 5551470 | Thermally responsive pressure relief apparatus A thermally responsive pressure relief system is provided for a receptacle such a pressure vessel. A passage communicates the interior of the vessel with the exterior thereof. A closure member is positioned in the passage. A fusible bonding material of a ... | 09/03/1996 |
| 5435333 | Thermally responsive pressure relief apparatus A thermally responsive pressure relief system is provided for a receptacle such as a pressure vessel. A passage communicates the interior of the vessel with the exterior thereof. A closure member is positioned in the passage. A fusible bonding material of... | 07/25/1995 |
| 5076312 | Pressure relief device A device is disclosed for very rapidly releasing fluid under pressure from a reservoir in which a sharpened pin is driven at an angle into the center of a sealing diaphragm to release the fluid under pressure from the reservoir.... | 12/31/1991 |
| 5069291 | Method 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 |
| 5050630 | Self-positioning rupture disk assembly A self-positioning rupture disk assembly which includes a rupture disk clamped between supporting members. A gasket member is attached to a peripheral portion of the rupture disk for providing a seal between at least one side of the rupture disk and the a... | 09/24/1991 |
| 5022424 | Tension loaded composite rupture disk A composite rupture disk includes a slit-slot, tension loaded disk having a plurality of circumferentially spaced radial slits (e.g. six in number) that terminate before reaching the disk center, thereby defining an uncut disk central portion which can be... | 06/11/1991 |
| 4842004 | Quick-release assembly for rupture disc insert type holder and the like A quick release assembly including a pair of flanges for receiving a rupture disc insert type holder and the like therebetween in a leak-tight seal, at least one of the flanges being secured to a pressure relief conduit of a pressure system. A minimum num... | 06/27/1989 |
| 4830052 | Diaphragm safety device with upstream active bursting knife A safety device for limiting the pressure of a fluid to a predetermined value comprises a preshaped diaphragm having a downstream convex face and an upstream convex face mounted as a closing or sealing device in a pipe. A first knife faces the convex face... | 05/16/1989 |
| 4809729 | Pressure-relief device An improvement is provided in a safety pressure relief device adapted to be installed between a standard base flange and a standard hold-down flange including a first crowned rupture member, a second crowned rupture member, a resilient sealing membrane, t... | 03/07/1989 |
| 4777974 | Staged pressure relief assembly A pressure relief panel assembly for rupture discs, explosion vents and the like has a plurality of frangible panel portions which burst at different pressures to present a pressure relieving aperture having a cross-sectional area which varies in accordan... | 10/18/1988 |
| 4751938 | Apparatus for supporting structure between bolted flanges Structure supporting apparatus which for a particular nominal size can be interchangeably sealingly clamped and centered between bolted flanges of varying pressure rating and design standard. The apparatus includes at least one support member having oppos... | 06/21/1988 |
| 4750510 | Temperature responsive pressure relief apparatus and method A fluid pressure relief apparatus of the rupturable type which ruptures at different pressures depending upon the temperature of the fluid in contact therewith. A rupture member is provided supported by a support member which is maintained in place by a m... | 06/14/1988 |
| 4691729 | Reverse-buckling rupture disk with replaceable disk and blade A reverse-buckling rupture disk assembly provides a cylindrical housing having a bore for conveying flow through the housing. Removably mounted within the housing is a frangible concave-convex disk which is connected along its peripheral edge to the housi... | 09/08/1987 |
| 4580589 | Safety device with bursting knife and diaphragm for limiting the pressure of a fluid Safety device for limiting the pressure of a fluid, having at least one hollow modular member, which is open at both ends, a diaphragm closing one end, and a knife mounted within the modular member facing the diaphragm at a regulatable distance from it. T... | 04/08/1986 |
| 4579001 | Pressure relief valve with pressure indicating means A conventional rupturable curved disc in a pressure relief valve for high pressure cylinders serves as one plate of a capacitor. A curved segmented disc, alterable in curvature in response to deformation of the adjacently located curved disc, serves as th... | 04/01/1986 |
| 4562741 | Pressure relief valve with pressure indicating means A conventional rupturable curved disc in a pressure relief valve for high pressure cylinders serves as one plate of a capacitor. A curved segmented disc, alterable in curvature in response to deformation of the adjacently located curved disc, serves as th... | 01/07/1986 |
