"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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| Application No. | Application Title | Issue Date |
| 20110259276 | FLOAT AND A FLOATABLE STRUCTURE A float (1) comprising a hollow pneumatically pressurisable ovoid shell (5) is provided with a damping plate (12) extending laterally outwardly around the shell (5) for damping vertical upward and downward movement of the float in water durin... | 10/27/2011 |
| 20090286432 | Apparatus Having A Buoyant Structure That Resists Rotation Apparatus includes a buoyant structure having a central vertical axis when floating in water and having at least one feature to reduce a rotation of the buoyant structure about the central vertical axis when floating in the water. The apparatus further includes an elect... | 11/19/2009 |
| 20090149092 | BUOY A buoy is provided with first and second fixed hydrodynamic surfaces (15,16). When the buoy is towed through water by a tether (17), the first hydrodynamic surface (15) generates a downward force that reduces with increased speed through the water. ... | 06/11/2009 |
| 20080194160 | Float and a Floatable Structure A float (1) comprising a hollow pneumatically pressurisable ovoid shell (5) is provided with a damping plate (12) extending laterally outwardly around the shell (5) for damping vertical upward and downward movement of the float in water durin... | 08/14/2008 |
| 20080132130 | Buoyant Device A buoyant device has a body and an elongate tail. The body carries a payload. The tail is moveable, e.g. by pivoting, between a closed and an open position. This movement changes the position of the center of mass of the device relative to the center of buoyancy. As a r... | 06/05/2008 |
| 20050186864 | Buoyancy motor The present invention provides for an apparatus utilising the buoyancy upthrust on a floatation member to assist displacement of a moveable article in a non-vertical direction wherein the apparatus comprises at least one pivotally mounted floatation member disposed with... | 08/25/2005 |