Quotables
"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 7334710 | Closure assemblies for stores of flowable material The closure assembly comprises a first closure device in the form of a cone valve typically having a downwardly diverging upper surface and a second closure device in the form of a plug which is vertically slidable relative to the first closure device so that when i... | 02/26/2008 |
| 6595735 | Bulk particulate discharge apparatus and method A bulk particulate handling apparatus and method for transferring material between a first and second site which utilizes a stream of gas to remove material from the flow path. Contamination of the flow-path is thereby reduced by providing the stream of g... | 07/22/2003 |
| 5385437 | Device for charging a pressurized enclosure A device is provided for charging a pressurized enclosure, particularly a blast furnace. The device comprises a closing off bell which is movable inside a hopper and is used to close off a discharge opening. A lower sealing member encompasses a closing of... | 01/31/1995 |
| 4482280 | Feeding apparatus for uniflow regenerative shaft furnaces for calcining limestone and similar mineral materials Feed apparatus for a uniflow regenerative shaft furnace for the calcining of limestone and similar raw materials is formed with a feed container installed above each of the shafts of the furnace, each of the feed containers being arranged concentrically w... | 11/13/1984 |
| 4475849 | Device and method for the uniform distribution of a bulk materials stream A method and a device for the uniform distribution of a bulk materials stream, particularly one conveyed pneumatically, onto a more extended cross-sectional area possibly divided up into partial stream cross-sections by partitions, is distinguished by the... | 10/09/1984 |
| 4270931 | Cooling arrangement for the locking device in pressure gasification reactors A cooling arrangement particularly for cooling a locking device arranged in a fuel feed opening of pressure gasification generators comprises a lock seat connected to the generator and a lock cone adapted for moving into and out of engagement with the loc... | 06/02/1981 |
| 4136790 | Charging apparatus with removable bell Disclosed are apparatus and method according to which a bell in a charging apparatus comprising a bell and surrounding hopper portion may be removed laterally out of the enclosure in which the bell and hopper are located, by removing a closure from an ope... | 01/30/1979 |
| 4063915 | Marble melt glass fiber feed system A marble feed system is disclosed for feeding glass marbles into a marble melt glass fiber forming bushing. The system comprises a storage container or hopper, a marble pre-melter, a glass fiber forming bushing, and a chute connecting the container or hop... | 12/20/1977 |
| 4028192 | Apparatus for receiving incandescent coke from respective coke ovens in a battery and for removing the coke in a closed chamber away from the battery An apparatus for receiving incandescent coke from respective coke ovens of a horizontally arranged battery of coke ovens, comprises a wheeled carriage which is adapted to move backwardly and forwardly along the battery of coke ovens. A coke cake receiving... | 06/07/1977 |
