Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7950408 | Pressure relief vent devices A pressure relief device is disclosed that is designed to open in response to a pre-determined pressure differential. The pressure relief device includes a panel member, and at least one release mechanism. The release mechanism has a first end, a failure portion con... | 05/31/2011 |
| 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 |
| 7168333 | Monitoring system for pressurized container A system and method of monitoring a pressurized container having an auxiliary device are provided. The system includes a sensor operable to provide a signal representative of at least one operating condition of the pressurized container. The system also includes a c... | 01/30/2007 |
| 7061398 | Two-way wide area telemetry A method and apparatus for two-way telemetry is provided. For one embodiment, a telemetry interface module may receive data regarding the strength of transmitted signals. The telemetry interface module may transmit a query message to another telemetry interface modu... | 06/13/2006 |
| 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 |
| 4431018 | Reverse buckling rupture disk apparatus and manufacturing methods A reverse buckling rupture disk apparatus, adapted to be clamped between inlet and outlet companion bolted flanges, the operation of which is unaffected by the torque applied to the bolts of the companion flanges. The apparatus is comprised of a reverse b... | 02/14/1984 |
| 4404982 | Rupturable pressure relief apparatus A rupturable pressure relief apparatus which is non-fragmenting and which is particularly suitable for liquid and low pressure gas service. The apparatus includes an annular rupture disk having an annular flange portion connected to a concave-convex porti... | 09/20/1983 |
