Bizarre Patents
A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6090340 | Runner for a hot melt, runner system and method for conveying a hot melt Runner for conveying a hot melt, for example molten pig iron and slag, comprising a wear lining in which the melt flows during normal operation, a safety lining which surrounds the wear lining and a metal encasing which surrounds the safety lining, wherei... | 07/18/2000 |
| 5911967 | Process and apparatus for production of ferric oxide from iron chloride solutions A process and an apparatus for the production of iron oxides having low chloride ion content comprising charging of a free HCl containing iron chloride solution into a spray roaster with a feeding device and a spray boom for charging the iron chloride con... | 06/15/1999 |
| 5513835 | Distributing chute for a furnace A distributing chute for installation in a furnace, particularly suitable for use in a bell-less charging system of a blast furnace, comprises heat-resistant ceramic tiles on its underside. These ceramic tiles are inserted between, and secured by, hollow ... | 05/07/1996 |
| 5304232 | Fumeless cupolas A hot coke bed is established at the bottom of a vertical shaft furnace, e.g. an iron melting cupola. The cupola is then charged with alternate layers of ferrous metal and coke material, respectively. Burners burn hydrocarbon fuel in the presence of a sto... | 04/19/1994 |
| 5031882 | Channel structure for flow of molten pig iron A channel structure, i.e. iron trough or iron runner, for flow of molten pig iron during tapping of a blast furnace, comprises a wear lining which provides the surface along which the iron flows, a permanent lining outside the wear lining and an outer lin... | 07/16/1991 |
| 4531718 | Iron ores treatment apparatus A fixed bed reactor specially adapted to be used in the gas-solid reaction for the production of sponge iron. The flow of gas is ascendant, entering at the bottom through a gas distributor specially designed to assure a uniform gas flow.... | 07/30/1985 |
| 4508323 | Runner for molten metal A metallurgical molten-metal runner has a support trough, a trough-shaped temperature-equalizing layer received in and lining the trough, a system for cooling the layer isothermally to about 100° C., a permanent refractory outer lining received in and li... | 04/02/1985 |
| 4426067 | Metallic sectional liquid-cooled runners A runner for conveying molten pig iron and slag from a blast furnace of a steel manufacturing facility, is of wholly metallic construction and is hollowly formed to provide a cooling jacket through which water is circulated. Each runner so formed is an in... | 01/17/1984 |
| 4407489 | Apparatus for discharging hot flowable solids from an upright container, particularly for discharging sponge iron from a shaft furnace A discharge implement is provided, which is operable to discharge sponge iron from a shaft furnace and constitutes the bottom structure of the shaft furnace and is formed with flow passages for a cooling liquid. In order to ensure a uniform discharge, the... | 10/04/1983 |
| 4338123 | Method and apparatus for the reduction of metal ores A method and apparatus is disclosed for reducing metal ore to sponge metal in a vertical shaft, moving bed, gaseous reduction reactor by controlling the amount of gas intermixing between the reduction and cooling zones of the reactor to result in increase... | 07/06/1982 |
| 4290587 | Ore treating apparatus An apparatus for the gaseous reduction of iron ore to sponge iron includes upper, intermediate and lower vessel chamber portions with the intermediate and lower chamber portions having a frusto-conical shape. An annular baffle projects from the intermedia... | 09/22/1981 |
| 4271993 | Slag tap for coal slagging gasifier An improved slag outlet for a slagging gasifier, comprises a cast body of high thermal conductivity having integral coolant passageways, said passageways being formed by shaping a metal tube into a coil having an inlet and an outlet, and casting metal to ... | 06/09/1981 |
| 4256290 | Bottom cooling arrangement for reduction apparatus An apparatus for reduction of iron ore to sponge iron includes a reduction vessel having upper gas inlet ports, a charging opening, a lower discharge chamber including gas discharge openings and a bottom discharge door. The discharge door includes an inte... | 03/17/1981 |
| 4230307 | Cooling apparatus for copper converter opening A cooling device for a converter opening, such as a Peirce-Smith copper converter, has been disclosed wherein a cooling medium, which is a combustible liquid of high temperature cracking characteristics, is introduced in cooling conduits floatingly dispos... | 10/28/1980 |
| 4005857 | Means for withdrawing sponge iron from retorts Means for withdrawing sponge iron from externally heated retorts whereby the sponge iron is withdrawn at the bottom of the retort including staggered inlet and outlet means and a minimum of three worm screw means moving at the same speed but in differing ... | 02/01/1977 |
