"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 |
| 20100072112 | SEPARATION METHOD AND SEPARATION APPARATUS A separation apparatus contains: a dispersion liquid introduction path to which a dispersion liquid containing particles is introduced; a separation path that has a inclined upper face inclined with respect to a direction of gravity and separates the particles; and a di... | 03/25/2010 |
| 20080257794 | Method and system for sorting and processing recycled materials Processing recycled materials to recover plastics, copper wire, and other non-ferrous metals. Aspects of the invention employ density separation to separate plastic-bearing materials from copper-bearing materials. Plastic-bearing materials are further separated to separ... | 10/23/2008 |
| 20080121574 | DEVICE FOR THE SEPARATION OF WASTE MATERIALS IN ACCORDANCE WITH THEIR DENSITIES A device for the separation of waste materials in accordance with their densities is provided and includes a vat which is fillable with a fluid for the separation of detritus by means of floatation and decantation. Conveyer belts are provided for the removal of the supe... | 05/29/2008 |
| 20060124510 | Devices, materials and methods for sorting, separating and sizing very small particles Advice for sorting separating and sizing very small particles is disclosed and claimed. The device comprises a cryogenic chamber within which particle movement, travel and separation can occur; a particle loading chamber for loading particles into the cryogenic chamber;... | 06/15/2006 |
| 20050173310 | Hydrogravity system and process for reclaiming and purifying a solid, multiple domain feedstock The hydrogravity separation of a multiple component solid feedstock comprises granulating the feedstock to produce particles substantially of individual components having different densities. A dispersion mixer having a high shear and/or turbulent zone is utilized to di... | 08/11/2005 |
| 20050173309 | Hydrogravity system and process for reclaiming and purifying a solid, multiple domain feedstock The hydrogravity separation of a multiple domain solid feedstock comprises granulating the feedstock to produce particles substantially of individual domain components having different densities. A dispersion mixer having a high shear and/or turbulent zone is utilized t... | 08/11/2005 |
| 20050092658 | Method and apparatus for sorting particles A method and apparatus for sorting particles moving through a closed channel system of capillary size comprises a bubble valve for selectively generating a pressure pulse to separate a particle having a predetermined characteristic from a stream of particles. The partic... | 05/05/2005 |