Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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 |
| 8101118 | Countercurrent direct-heating-type heat exchanger The countercurrent direct-heating-type heat exchanger that is able to suppress drift in the case when a fluid to be heated is supplied. The heat exchanger is equipped with a feed pipe, a feed nozzle, ring-like straightening plates and umbrella-type dispersing plates... | 01/24/2012 |
| 7354472 | Metalothermic reduction of refractory metal oxides A method of producing a refractory metal powder by (A) combining (i) an oxide particle component and (ii) a reducing agent; (B) forming a substantially uniform mixture of (i) and (ii); (C) continuously feeding the mixture into a furnace; (D) igniting the mixture at ... | 04/08/2008 |
| 7229666 | Chemical vapor deposition method Methods of chemical vapor deposition include providing a deposition chamber defined at least in part by at least one of a chamber sidewall and a chamber base wall. At least one process chemical inlet to the deposition chamber is included. A substrate is positioned w... | 06/12/2007 |
| 7150776 | Metalothermic reduction of refractory metal oxides High purity refractory metals, valve metals, refractory metal oxides, valve metal oxides, or alloys thereof suitable for a variety of electrical, optical and mill product/fabricated parts usages are produced from their respective oxides by metalothermic reduction of... | 12/19/2006 |
| 6648942 | Method of direct iron-making / steel-making via gas or coal-based direct reduction and apparatus The invention is a method and apparatus for iron-making/steel-making using a modified rotary hearth furnace, that is a finisher-hearth-melter (FHM) furnace. In the method the refractory surface of the hearth is coated with carbonaceous hearth conditioners... | 11/18/2003 |
| 6551548 | Apparatus for producing reduced iron and compact drying An apparatus for producing reduced iron, and a compact drying method for application to the apparatus are disclosed. The apparatus comprises a pelletizer or a briquetter for mixing and agglomerating coal as a reducing agent and iron ore as iron oxide to f... | 04/22/2003 |
| 6132206 | Water cooled finger for pre-heater of furnace top A water cooled finger for a pre-heater of a furnace top holds metal materials of a required amount in a shaft installed at the furnace top for pre-heating metal materials by introducing exhaust gas at high temperature generated in the furnace into the sha... | 10/17/2000 |
| 5685524 | Direct ironmaking or steelmaking apparatus using self-reducing iron oxide pellets Apparatus for preheating self-reducing pellets for direct use in ironmaking or steelmaking in which a preheat chamber contains the pellets and is primarily externally heated using waste exhaust gases and secondarily heated directly by using an internal pr... | 11/11/1997 |
| 5645791 | Charge preheater In a charging material preheater for a metallurgical smelting plant having a shaft (5) which has closure members (7, 8) which are pivotable by a control member (6) and which include fingers (9, 10) which are arranged parallel and at a spacing relative to ... | 07/08/1997 |
| 5480474 | Process and apparatus for smelting reduction of ores or pre-reduced metal carriers A process and apparatus for smelting reduction of ores or pre-reduced metal carriers in the form of an emulsion composed of slag, liquid metal and floating coke particles which pass from a smelting reduction reactor to a separate settling tank through a c... | 01/02/1996 |
| 5356120 | Device for producing finely-divided metal and ceramic powder The invention relates to a gas phase reactor for producing finely divided metal and/or ceramic powder and comprising a gas preheater, a gas-introducing part, a flow-shaping part, a reaction tube and a product discharge device.... | 10/18/1994 |
| 5227116 | Manufacture of iron and steel in a duplex smelter and solid state oxide suspension prereducer Prereduced iron oxides are supplied to a smelting vessel (1) for the production of iron or steel by directing a hot reducing offgas from the vessel (1) into a vertical riser duct (8) without substantial cooling of the offgas and by way of inlet (16), part... | 07/13/1993 |
| 5074530 | Apparatus for smelting reduction of iron ore The invention provides an apparatus for smelting reduction of iron ore which contains (1) at least one preheat and prereduction furnace which preheats and prereduces iron ore to a prereduction degree of less than 30%; (2) a smelting reduction furnace into... | 12/24/1991 |
| 5060913 | Integrated metallurgical reactor A smelting reduction process is carried out in a smelting reactor which includes a central internal carburization/combustion plenum or chamber in which hot metal is carburized by the injection of coal fines and heated by post combustion of the coal gases.... | 10/29/1991 |
| 4988079 | Apparatus for smelting and reducing iron ores An apparatus for smelting reduction comprising a preheat and prereduction furnace for preheating and prereducing iron ores; a smelting reduction furnace into which iron ores, carbonaceous material and fluxing material are charged and in which the iron ore... | 01/29/1991 |
| 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 |
| 4852858 | Charging material preheater for preheating charging material for a metallurgical smelting unit A charging material preheater for preheating the charging material for a metallurgical smelting unit comprising a container for accommodating the charging material to be preheated, which is provided at the bottom with a grid comprising individual mutually... | 08/01/1989 |
| 4790517 | Apparatus for the direct reduction of sulphurous iron ores An apparatus for the direct reduction of sulphurous iron ores with a shaft furnace, in which the ore is reduced in counterflow to the reducing gas is described, the waste gas being subdivided into two streams folllowing the furnace. One stream heats and d... | 12/13/1988 |
| 4732368 | Apparatus for the pyrometallurgical treatment of finely divided materials Process and apparatus for pyrometallurgically treating finely divided ores, concentrates, residues, slags and like materials. The process utilizes a reactor having two co-axially extending, vertical reaction chambers. The process comprises forming within ... | 03/22/1988 |
| 4691900 | Metal melting furnace A metal melting furnace equipped with a preheating tower having a plurality of fork-shaped shelf-plates extending into the inside thereof, comprising a gas mixing chamber provided in the lower end portion of the tower, communicating with the upper portion... | 09/08/1987 |
| 4609400 | Method and apparatus for preheating charge materials for continuous steelmaking A method and apparatus for the continuous preheating of charge materials for an electric steelmaking furnace operation including provision for preheating with both off-gas from the furnace and burners in the preheating chamber. Seals are provided to preve... | 09/02/1986 |
| 4606530 | Installation and process for continuously charging a reactor with solid material and heating said material with the gases emitted from said reactor The installation permits continuous charging of solid material (2) such as steel scrap into a reaction vessel (1) such as a converter for steel manufacture, the steel scrap being heated by heat exchange with the gases (G) emitted from the converter. To th... | 08/19/1986 |
| 4599068 | Apparatus for preheating granular ore An apparatus for preheating granular ore includes a shaft defined by vertical walls, an inlet chute disposed above the shaft for introducing the ore thereinto by gravity, an ore discharge collector situated underneath the shaft for receiving preheated ore... | 07/08/1986 |
| 4552342 | Method and apparatus for preheating and charging scrap in steelmaking Scrap metal for steelmaking in a converter is preheated by a heating installation and subsequently charged into a charging trough. The preheating takes place in a separate furnace which is aligned parallel to the charging trough. The furnace can be brough... | 11/12/1985 |
| 4439145 | Aluminum furnace and preheater therefor A reverberatory furnace for melting aluminum or other metals which includes a preheater (12) which utilizes exhaust flue gasses from the furnace (10) to preheat the metal before it enters the furnace. A set of horizontal flue ducts (18, 20, 22) conduct th... | 03/27/1984 |
| 4359212 | Apparatus for reducing finely divided iron oxide material Apparatus for reducing finely divided iron oxide material, comprising a reactor containing a vertical upper reaction chamber connected downwardly to a narrower, vertical reaction chamber. A cyclone separator is connected to the upper reaction chamber for ... | 11/16/1982 |
| 4082254 | Heat exchanger and application thereof to realize an ore reducing furnace The invention concerns an apparatus for heat exchange between a hot and a cold body in particular in form of fluids, divided by a partition wall, in which apparatus a portion of the wall, contacting the hot fluid, is moved and is brought in place of a cor... | 04/04/1978 |
| 4056262 | Cupola furnace to enable continuous smelting and refining of cement copper and method therefor Use of a shaft kiln in continuous smelting and refining of cement copper is made possible with a mix preheater, a refined gas preheater, an air preheater, an air mix feeder and forehearths for cement oxidation and reduction, and wherein oxidation is achie... | 11/01/1977 |
| 4013401 | Apparatus for preheating a raw material charge for application to an electric furnace An improved arrangement for preheating a charge of raw material, illustratively an alloying charge, with hot gases prior to application of such charge to a ferroalloying kiln or other electric furnace is described. The charge to be preheated is loaded int... | 03/22/1977 |
| 3933342 | Ore processing furnace An ore processing furnace particularly adapted for processing ores at generally low temperatures ranging between 600° Fahrenheit and 1200° Fahrenheit: said furnace comprising an ore containing and processing chamber structure surrounded by a fire box an... | 01/20/1976 |
