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 |
| 7832690 | Telescoping wing locking system Disclosed is a telescoping wing locking system for use in aircraft having wings that collapse and expand in a telescoping fashion, such as aircraft designed for use on roadways. Companion wing segments are locked in place when gas is supplied to inflate a bladder lo... | 11/16/2010 |
| 7714271 | Simple fiber optic seismometer for harsh environments Disclosed is a sensor capable of measuring motion in a harsh environment. The sensor uses a fiber optic sensor element formed within a core of an optical fiber that is disposed within an enclosure made of a high strength, corrosion-resistant material. The optical fi... | 05/11/2010 |
| 7559537 | Direct steam injection heater with integrated reactor and boiler Disclosed is an apparatus for heating a viscuous liquid slurry by direct steam injection in small scale installations. A process tube, through which the slurry flows, is surrounded by a pressure vessel. The pressure vessel acts as a high pressure steam boiler tank, ... | 07/14/2009 |
