Bizarre Patents
Mouse device with a built-in printer
A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.
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 |
| 7141205 | Method for discharging reduced product from a movable-hearth furnace and a discharging device A method for discharging a reduced product produced on a movable hearth of a movable-hearth furnace uses a discharging device. The discharging device includes a removal unit for removing the reduced product from the movable hearth, a separation unit for separating t... | 11/28/2006 |
| 6391249 | Device for producing sponge iron A device for producing sponge iron from iron oxide lumps consists of a reduction shaft in which a hot dust laden reducing gas is delivered. The gas is produced in a gas generator by means of partial oxidation of solid carbon carriers and passes into the l... | 05/21/2002 |
| 6306337 | Nosepiece for directing a charge into a furnace A nosepiece for directing a charge into a crucible of a furnace. The nosepiece comprises a completely enclosed sleeve which more accurately directs the charge into the crucible. The sleeve has a distal portion that deflects the charge toward a center area... | 10/23/2001 |
| 6224647 | Process and device for charging a fusion gasifier with gasifying means and spongy iron The invention relates to a device comprising a fusion gasifier and a reduction shaft arranged thereabove and for reduction of iron ore in spongy iron. The spongy iron is introduced through horizontal discharge devices in the lower section of the reduction... | 05/01/2001 |
| 5769629 | Sealing apparatus for inlet/outlet of atmosphere heat treatment furnace A sealing apparatus securely seals the inlet and outlet of an atmosphere heat treatment furnace. A pair of elastic rolls 26 and a pair of additional elastic rolls 26 hold a metal strip so as to seal the inlet and outlet of the atmosphere heat treatment fu... | 06/23/1998 |
| 5190719 | Plant for the production of molten metals A plant for the production of molten metals includes a melting vessel in whose wall burners and optionally oxygen-containing-gas feeding ducts are installed and on whose upper end a charging device as well as a gas evacuation duct receiving the offgases f... | 03/02/1993 |
| 5069429 | Plant for treating and melting metals, metal compounds and/or metal alloys or for producing calcium carbide There is disclosed a plant for treating and melting metals, metal compounds and/or metal alloys or for producing calcium carbide. It includes a burden-receiving shaft and a melting furnace arranged below the shaft and including a heating means. A passage ... | 12/03/1991 |
| 4955587 | Arrangement for recovering molten pig iron or steel pre-products from lumpy iron-oxide containing charging substances There is disclosed a process of recovering molten pig iron or steel pre-products from lumpy iron-oxide containing charging substances. The charging substances are reduced to sponge iron in a direct reduction zone, the sponge iron is smelted in a meltdown ... | 09/11/1990 |
| 4898366 | Apparatus for charging a melting gasifier with gasification media and sponge iron An apparatus for charging a melting gasifier (2) with gasification media and with sponge iron discharged from a direct reduction shaft furnace (1) arranged above the melting gasifier is described. This comprises inlets and outlets in the lower part of the... | 02/06/1990 |
| 4797524 | Apparatus and method for regenerating active carbon The invention relates to an apparatus for the regeneration of active carbon comprising particularly: a hopper for introducing the active carbon; a reactor (7) delimited by an elongated shaped sheath; a continuous Archimedes screw (10) situated inside the reactor to... | 01/10/1989 |
| 4687183 | Apparatus for the production of liquid iron from iron oxide Method and apparatus for producing liquid iron from iron oxide, wherein the iron oxide is substantially converted to sponge iron by passing reducing gas through it in a reduction column and is then melted in a melt vessel which is in open communication wi... | 08/18/1987 |
| 4605205 | Arrangement comprising a gasifier and a direct reduction furnace In the case of an arrangement comprising a gasifier and a direct reduction shaft furnace positioned above it and which is connected to the gasifier by a connecting shaft, the direct introduction of the reduction gas obtained in the gasifier, even in the c... | 08/12/1986 |
| 4578110 | Method of reducing iron oxides Particulate iron ore is reduced to sponge iron in a vertical shaft reduction reactor by forcing the ore upwardly in a moving bed counter-current to a descending stream of hot reducing gas produced by the gasification of coal in a gasifier, for example, a ... | 03/25/1986 |
| 4448402 | Apparatus for directly making liquid pig-iron from coarse iron ore A device is described for directly making liquid pig-iron from coarse iron ore. Hot sponge-iron particles are directly conveyed by a worm conveyor (17) through a communicating passage (19) from a direct-reduction blast-furnace shaft (2) into a smelter-gas... | 05/15/1984 |
| 4409023 | Process for directly making liquid pig-iron from coarse iron ore A process and a device are described for directly making liquid pig-iron from coarse iron ore. Hot sponge-iron particles are directly conveyed by a worm conveyor (17) through a communicating passage (19) from a direct-reduction blast-furnace shaft (2) int... | 10/11/1983 |
| 4360305 | Distribution apparatus for throat closures of shaft furnaces, in particular for blast furnace closures The invention relates to a distribution apparatus for throat closures of shaft furnaces, in particular blast-furnace closures, with a lock chamber arranged within the furnace dome, at the entrance of which is arranged a funnel tube and underneath which, o... | 11/23/1982 |
| 4352619 | Blast furnace installations In a blast furnace installation wherein raw material is changed in a blast furnace successively through a rotary hopper, an impeller and an inclined chute surrounding the impeller, the inclined chute is suspended from a carriage movable along rails so as ... | 10/05/1982 |
| 4274785 | Method and apparatus for charging anode scraps to a converter furnace In the disclosed method and apparatus, an anode scrap pile is formed by piling anode scraps to be of a predetermined height. The anode scrap pile is conveyed to a substantially U-shaped inclinable chute having a rectangular bottom and parallel side walls ... | 06/23/1981 |
| 4094494 | Furnace charge profile measuring process and apparatus The surface contour of material deposited on the hearth of a furnace is sensed by measuring the height of the material on the furnace axis and at a plurality of points about the periphery of the furnace. The height on the furnace axis is measured with an ... | 06/13/1978 |
| 4050679 | Method and apparatus for controlling the furnace top gas pressure of blast furnaces In a blast furnace installation comprising a blast furnace and a raw material charging apparatus including a hollow inverted frustum shaped rotary hopper mounted above the blast furnace, conveyor means for supplying the raw material to the rotary hopper, ... | 09/27/1977 |
| 4042130 | Charging device for shaft furnace A rotatable and angularly adjustable charging and distribution device for shaft furnaces, particularly blast furnaces, is presented. A cylindrical or frustoconical distribution spout is suspended at three points which define a plane. The three points of s... | 08/16/1977 |
| 4029220 | Distributor means for charging particulate material into receptacles Disclosed are receptacles, such as shaft furnaces illustrated by a blast furnace and an upright oil shale retort, embodying rotatable charge distributor means for distributing particulate charge material in the furnace, which charge distributor means can ... | 06/14/1977 |
| 3966062 | Apparatus for charging raw materials into blast furnaces A hollow inverted frustum shaped rotary hopper is provided above the furnace top to receive the raw materials from a conveyor. Beneath the rotary hopper is disposed a hollow disc shaped impeller including a dish shaped central portion facing to the lower ... | 06/29/1976 |
| 3939297 | Stoker feed system A stoker feed system and method for supplying metal to a melting furnace is disclosed wherein a generally vertically extending feed tube is mounted with its lower end portion submerged below the upper surface of molten metal in the furnace. The feed tube ... | 02/17/1976 |
