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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 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 |
| 7096954 | Method and apparatus for placement of multiple fractures in open hole wells A method and apparatus is provided for created multiple fractures in a subterranean formation with a single, continuous treatment operation. A plurality of burst disk assemblies are included, each having an independent burst pressure and corresponding to a specific ... | 08/29/2006 |
| 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 |
| 6321771 | Pressure relief device for a sealed system A pressure relief device for a sealed system is provided. The device includes a negative pressure support that is engageable with the system. A seal is disposed between the support and the system such that a negative pressure differential created in the s... | 11/27/2001 |
| 6230733 | Self-contained rupture disk cartridge A polymer rupture disk in the form of a cartridge or capsule that can be inserted in a fluid line fixture as a replaceable unit to establish a predetermined rupture pressure or safety pressure for that particular pressurized container.... | 05/15/2001 |
| 6065485 | Two-way pressure relief assembly and method A two-way pressure relief assembly includes a disk having a peripheral flange for clamping the disk between inlet and outlet clamps in a passageway. The inlet side of the disk has a selected inlet relief pressure which will cause the flange and disk to pu... | 05/23/2000 |
| 5154202 | Low forward pressure burst-high backpressure resistant rupture disc A fluid pressure relief assembly for a system operating under an elevated pressure includes a support structure having means defining a bore therethrough of desired cross-sectional configuration, the support structure being provided with a shoulder extend... | 10/13/1992 |
| 5005722 | Fail safe rupture disk assembly The invention renders fail safe a rupture disk assembly consisting of inlet head, outlet head, and rupture disk secured therebetween, whenever the assembly is installed upside down. A fail safe relief notch is formed in the inlet head disk seating surface... | 04/09/1991 |
| 4905722 | Composite rupture disk assembly An improved composite rupture disk assembly adapted to be supported between inlet and outlet supporting members is provided. The assembly is comprised of a resilient sealing member and a rupture member having a plurality of elongated openigs formed therei... | 03/06/1990 |
| 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 |
| 4795051 | Rupturable fluid pressure relief apparatus and manufacturing method A rupturable fluid pressure relief apparatus and method of manufacturing such apparatus capable of rupturing in either the normal or reverse rupture modes at predetermined rupture pressures are provided. The apparatus is basically comprised of a circular ... | 01/03/1989 |
| 4512491 | Dual range rupture disc assembly A two directional rupture disc assembly is provided which serves in a fluid reactor system as a safety relief valve when a critical condition, such as predetermined pressure positive or negative, is encountered. That is, the rupture disc assembly hereof i... | 04/23/1985 |
| 4479587 | Two-way rupturable pressure relief apparatus A two-way rupturable pressure relief apparatus adapted to be clamped between a pair of connection members connecting first and second pressure zones is provided. The apparatus is comprised of a rupture member including a plurality of openings therein, a s... | 10/30/1984 |
| 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 |
| 4219040 | Rupture disc safety valve A safety valve for use with a beverage dispensing system having a pressurized source connected through a conduit to a container of beverage. The safety valve includes a housing having an inlet for connecting said valve to the pressure source and an outlet... | 08/26/1980 |
| 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 |
| 3989057 | Pressure relief safety device A pressure relief safety device useful for operation in a low pressure range. The device utilizes a non-metallic relatively thin air-impermeable membrane extending across a housing, the latter of which is in communication with a system operable under pres... | 11/02/1976 |
