"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7401801 | Remotely releasable coupler and hose retrieval mechanism for airbrake system A remotely releasable brake hose coupler for pressure fluid operated brake systems, such as on a motor truck and semi-trailer unit, and a retrieval mechanism for retrieving flexible hoses connected to the coupler. Pressure air from the truck tractor brake system is ... | 07/22/2008 |
| 7055864 | Pneumatic coupling A pneumatic coupling is provided. The pneumatic coupling is configured to couple a plurality of pneumatic lines together. According to the preferred embodiment of the present disclosure, the pneumatic coupling includes first and second housings and a plurality of fi... | 06/06/2006 |
| 5658159 | Connector system and methods The invention provides a connector system and methods for attaching a first and second connector. Each connector includes an elongate connector body and a coupling nut rotatably coupled about the connector body. Each coupling nut includes a center plate a... | 08/19/1997 |
| 4872711 | Device for connecting a hose end to a connecting spigot In an apparatus for connecting a hose end to a connecting spigot in the form of one half of a dog clutch on which a hose socket is formed, on to which the hose end is slipped and clamped, and which is enclosed by a clamp formed by at least two part shells... | 10/10/1989 |