Bizarre Patents
A Christmas stocking having illumination means associated therewith for signalling the arrival of Santa Claus.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8038024 | Holder with V-knife blade for bi-directional rupture disc assembly This invention relates to a cylindrical holder member for a bi-directional bulged rupture disc. The support body of the holder has a rim that supports the rupture disc with the concave surface of the disc facing the holder. The support body is provided with a unitar... | 10/18/2011 |
| 7373944 | Pyrotechnic relief valve A relief valve and related systems and methods are disclosed for use in fluid distribution lines. The relief valve comprises a body defining a cavity and comprising at least first and second openings in fluid communication with the cavity. A connector piece is conne... | 05/20/2008 |
| 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 |
| 7095606 | Electric switchgear with an enclosed design The aim of the invention is to prevent an unwanted conduction of a flow of gas inside a channel that connects an inner space of an enclosed switchgear (1) to another space. To this end, the channel is closed by means of a closing mechanism according to an inc... | 08/22/2006 |
| 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 |
| 6431383 | 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... | 08/13/2002 |
| 6367203 | Rupture panel A rupture panel for relieving an excess pressure differential between the interior and exterior of a vessel having a wall and an opening through the wall includes a first frame section connected to the vessel wall at the opening and a pair of pressure rel... | 04/09/2002 |
| 6349737 | Bursting disc assembly retaining ring with a clover leaf cutting pattern and projection A support ring adapted to support a rupturable rupture disc member in a rupture disc assembly. The support ring includes an upper surface, a lower surface, a central aperture defined by an inner peripheral edge and at least one tear-initiating projection,... | 02/26/2002 |
| 6220269 | Bursting disc assembly retaining ring with a clover leaf cutting pattern and projection In combination with a rupture disc assembly, there is provided an improvement by using a support ring having a projection and a continuous, generally clover leaf pattern cutting edge.... | 04/24/2001 |
| 6041506 | Hole-forming device A hole-forming device includes a pointed shaft which is raisable to a position facing a bottom of a can. The shaft is slidably supported on a support plate, with its lower end projecting downward below the support plate. With the hole-forming device mount... | 03/28/2000 |
| 5720380 | Reverse buckling disk with incorporated knife A reverse buckling disk has an annular retaining flange for mounting in a flow passageway. The annular retaining flange is integrally formed with a central domed portion having a concave side and a convex side. The disk has a predetermined material thickn... | 02/24/1998 |
| 5284177 | Non-reclosing pressure relief device for vacuum systems A non-reclosing overpressure protection device such as a rupture disc provides a non-reclosing opening upon forcible contact with a knife blade. A bellows, having an inlet capable of being sealably connected to a source of pressure (the vacuum system) and... | 02/08/1994 |
| 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 |
| 4989627 | Thermal fuse valve The thermal fuse valve (10, 110) is disposed within a passage (14, 114) of the wheel rim (12, 112). The thermal fuse valve (10, 110) includes a retention mechanism (22, 122) which engages a complementary-shaped retention mechanism (13, 113) of the passage... | 02/05/1991 |
| 4697618 | Container structure for dangerous material A container structure for a dangerous material. An inner container defines a chamber for receiving the dangerous material, an outer container surrounds the inner container, and a fluid chamber is disposed between the inner and outer containers. A body of ... | 10/06/1987 |
| 4657157 | Pressure relief method and rupture disk assembly The present invention relates to a method and assembly for relieving positive and/or negative pressure differentials between first and second fluid pressure zones. The rupture disk assembly is comprised of a flexible sealing member, a retainer means posit... | 04/14/1987 |
| 4580691 | High flow pressure relief assembly A safety pressure relief assembly of the rupture disc type guards against pressure differentials, beyond a predetermined range in a vent system, and includes a relief disc perforated to permit reverse flow without rupture, a sealing disc positioned adjace... | 04/08/1986 |
| 4557157 | Vehicle steering differential A vehicle steering differential (10) includes a case (12) defining a chamber (76), an opening (78) on a transverse axis (36) communicating therewith, and a mounting surface (80) about the opening (78). An input pinion gear (14) and a bevel gear (18) drive... | 12/10/1985 |
| 4463865 | Knife blade apparatus for severing rupture disks An improved knife blade apparatus adapted to be installed in a rupture disk assembly whereby upon failure of the rupture disk in the assembly, the disk is severed by the knife blade apparatus. The apparatus includes an annular support member adapted to be... | 08/07/1984 |
| 4394926 | Reverse buckling rupture disk apparatus An improved reverse buckling rupture disk apparatus which includes a reverse buckling rupture disk, an annular rupture disk support member and knife structure for severing the rupture disk upon the reversal thereof. The knife structure are comprised of at... | 07/26/1983 |
| 4364487 | Safety device against overpressures The invention relates to a safety device for protecting against any overpressures which may prevail in an enclosure, which device is constituted by a deformable membrane applied in fluid tight manner over an orifice connecting the inside of the enclosure ... | 12/21/1982 |
| 4363418 | Knife blade apparatus for severing rupture disks An improved knife blade apparatus adapted to be installed in a rupture disk assembly whereby upon failure of a rupture disk in the assembly the disk is severed by the knife blade apparatus. The apparatus includes an annular support member adapted to be in... | 12/14/1982 |
| 4352437 | Combined pressure relief and indicator mechanism A combined pressure relief and pressure indicating mechanism includes a diaphragm closing a vent in a housing. The diaphragm is punctured if an excessive overpressure occurs in the housing to relieve same. A movable indicator is held from moving by the di... | 10/05/1982 |
| 4301938 | Safety pressure relief device A safety pressure relief device is provided for the venting of fluid pressure between first and second pressure zones. The relief device includes a first rupture disk having flexible sealing membrane located on one side thereof, and a knife means located ... | 11/24/1981 |
| 4278181 | Safety pressure relief device A safety pressure relief device is provided for the venting of fluid pressure between first and second pressure zones. The relief device includes a first rupture disk having a flexible sealing membrane located on one side thereof, and a knife means locate... | 07/14/1981 |
| 4236648 | Safety pressure relief apparatus The present invention relates to a safety pressure relief apparatus comprised of a reverse buckling rupture disk having a concave-convex portion connected to an annular flat flange portion by a curved transition connection and a support member having an a... | 12/02/1980 |
| 4231484 | Safety device for pressure vessels A safety device for ensuring relief of excessive pressure in an associated vessel, the device incorporating a reverse buckling disc clamped between inlet and outlet support means, a plurality of knife blades being provided to the outlet side of the device... | 11/04/1980 |
| 4211334 | Safety pressure relief apparatus The present invention relates to a safety pressure relief apparatus comprised of a reverse buckling rupture disk having a concave-convex portion connected to an annular flat flange portion by a curved transition connection and a support member having an a... | 07/08/1980 |
| 4158422 | Safety pressure relief apparatus The present invention relates to a safety pressure relief apparatus comprised of a reverse buckling rupture disk having a concave-convex portion connected to an annular flat flange portion by a curved transition connection and a support member having an a... | 06/19/1979 |
| 4119236 | Low pressure rupture device A safe pressure relief assembly of the reverse acting rupture disc type guards against very low pressure differentials and includes a thin, bulged sealing disc, a cutting member positioned in spaced relation to the sealing disc and extending a substantial... | 10/10/1978 |
| 4079854 | Rupture disc pressure relief device A safe pressure relief assembly of the rupture disc type guards against pressure differentials beyond a predetermined range extending both above and below zero and includes a positive relief disc which is perforated to permit negative flow without rupturi... | 03/21/1978 |
| 4046280 | Direct mounting reverse buckling disc A reverse buckling disc arrangement for direct mounting eliminates separate inlet and outlet seating rings for the disc flange. Centering ring units on both sides of the disc have flanges doubling as the seating rings. The centering ring projecting toward... | 09/06/1977 |
