Bizarre Patents
Crispy Chip Sandwich and Process of Producing a Sandwich Product
A food product comprising a multilayer cookie or snack having outer layers formed from a crispy type edible food product such as a potato chip or corn chip, etc. with an intermediate marshmallow layer being in contact with the inner surface of each crispy chip and one or more filler substances.
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 |
| 7914601 | Cold start-up method for a direct smelting process A method of cold starting a molten bath-based direct smelting process for producing molten iron in a vessel (3) is disclosed. The method includes a step of preheating the vessel before supplying solid feed materials into the vessel. The method also includes a... | 03/29/2011 |
| 7695544 | Method and system for producing metallic iron nuggets Method and system for producing metallic nuggets includes providing reducible mixture (e.g., reducible micro-agglomerates; reducing material and reducible iron bearing material; reducible mixture including additives such as a fluxing agent; compacts, etc.) on at lea... | 04/13/2010 |
| 7384450 | Method for producing metallic iron In a method of producing metallic iron by reducing and melting a raw material, which contains an iron oxide-containing material and a carbonaceous reducing agent, by heating, the raw material for producing metallic iron is supplied after a powder and granular atmosp... | 06/10/2008 |
| 7198658 | Method for producing feed material for molten metal production and method for producing molten metal The prevent invention provides a method for producing a feed material for molten metal production and a method for producing a molten metal capable of sufficiently carbonizing biomass and effectively using carbonized biomass as a reducing agent. In the method for pr... | 04/03/2007 |
| 7037356 | Method for operating rotary hearth type reducing furnace and rotary hearth type reducing furnace facilities The present invention provides a method of operation and a facility for the same suppressing the generation of dioxins in the combustion exhaust gas and efficiently reclaiming heat from high temperature combustion exhaust gas when firing and reducing fines of chromi... | 05/02/2006 |
| 6802886 | Method of producing a metallized briquette The invention is a method of making metallized iron agglomerates by combining iron/steel particles and a reductant material with a cellulose fiber binder material, compacting the combination to form a solid agglomerate, and reducing the iron portions of the agglomer... | 10/12/2004 |
| 6797034 | Method of producing reduced metals and apparatus for reducing metal oxides A method of producing reduced metals is disclosed in which a mixture of a metal oxide and a reducing agent is heated by a burner such that the metal oxide is reduced to a reduced metal. Dry-distilled gas generated during carbonization of an organic matter-containing... | 09/28/2004 |
| 6630010 | Method of producing metallic iron The present invention is directed to a method of producing granular metallic iron, including: heating a formed raw material comprising a carbonaceous reductant and a substance containing iron oxide in a reduction melting furnace to subject the iron oxide ... | 10/07/2003 |
| 6605130 | Pellets incorporated with carbonaceous material Pellets incorporated with a carbonaceous material of the present invention contain a carbonaceous material and iron ore mainly composed of iron oxide. The maximum fluidity of the carbonaceous material in softening and melting, and the ratio of iron oxide ... | 08/12/2003 |
| 6592648 | Reduction of iron ore in ore/coal mixtures A process of reduction of iron ore and/or waste oxides in the form of agglomerate containing carbonaceous reductant on the hearth of a furnace includes providing a bed of agglomerates on the hearth of a furnace, the bed having a height of at least about 4... | 07/15/2003 |
| 6506231 | Method and apparatus for making metallic iron A method of making metallic iron in which a compact, containing iron oxide such as iron ore or the like and a carbonaceous reductant such as coal or the like, is used as material, and the iron oxide is reduced through the application of heat, thereby maki... | 01/14/2003 |
| 6423116 | Method for extracting iron by direct reduction The invention relates to a method and a device for extracting iron by direct reduction, characterized in that the device has a separate reduction chamber in which the carbon is gasified and the iron oxide is reduced in close proximity, and a separate comb... | 07/23/2002 |
| 6409790 | Method and apparatus for practicing carbonaceous-based metallurgy An energy efficient, coal-based method and apparatus that are environmentally friendly which produce under pressure metallized/carbon product and molten metal directly from abundant coal or other carbonaceous material, and low cost fines (or ore concentra... | 06/25/2002 |
| 6395057 | Method for producing directly reduced iron in a layered furnace A method for producing reduced iron in a layered furnace which includes several superimposed layers. Ore is continuously fed into the layered furnace, deposited on the uppermost layer, and gradually transferred to the lower layer. A reducing agent is depo... | 05/28/2002 |
| 6355088 | Method for direct reduction and upgrading of fine-grained refractory and earthy iron ores and slags A method of upgrading relatively rich, fine-grained earthy hematite iron ores is provided. The iron ore, after suitable preparation, is reduced using a solid state reduction technique. As a result of the reduction process, the iron grains undergo size enh... | 03/12/2002 |
| 6284017 | Method and facility for producing reduced iron In the method of producing reduced iron according to the invention, fine iron oxides and powdery solid reductants are mixed, compacted into sheet-like compacts, and charged onto the hearth of a reduction furnace for reduction while maintaining the tempera... | 09/04/2001 |
| 6277171 | Method of reducing the iron content of steel slag A method of reducing the iron content of starting material containing calcium, silicon and oxygen, and iron in the form of a ferrite and/or oxide, for example a steel slag, includes the steps of heating the starting material to a temperature of at least 8... | 08/21/2001 |
| 6248152 | Method of reducing iron oxide on a movable hearth furnace With a solid fine reducing material containing hydrogen placed as a lower layer on a movable hearth, a powdered mixture of an oxide powder dominantly of a fine iron ore and a solid fine reducing material is stacked in layered arrangement, and subsequent r... | 06/19/2001 |
| 6241804 | Process for producing iron briquettes and/or cold iron sponge A process and apparatus for producing iron briquettes and/or cold iron sponge, in which charge materials (3) which contain lumpy material containing iron oxide are introduced into the reduction zone (2) of a reduction reactor (1), then a hot reduction gas... | 06/05/2001 |
| 6214085 | Method for direct steelmaking This invention relates to making steel directly from ore concentrate and non-coking coal to which flux material is added. The method eliminates numerous steps by reducing the ore with the coal in a sealed chamber and under pressure termed "carbotreating" ... | 04/10/2001 |
| 6129777 | Method of producing reduced iron agglomerates Iron oxide agglomerates incorporated with the carbonaceous material having a particle size within a range of about 10 to 30 nm are prepared upon production of reduced iron agglomerates. Then, the iron oxides agglomerates incorporated with the carbonaceous... | 10/10/2000 |
| 6051048 | Production of fuel gas A first, solid, carbon-containing fuel is gasified and iron is melted in a gasifier-melter. A first flow of resulting fuel gas is employed to form the iron in a vertical shaft furnace by direct reduction of iron ore. A second flow of resulting fuel gas is... | 04/18/2000 |
| 6048382 | Method for direct reduction and upgrading of fine-grained refractory and earthy iron ores and slags A method of upgrading relatively rich, fine-grained earthy hematite iron ores is provided. The iron ore, after suitable preparation, is reduced using a solid state reduction technique. As a result of the reduction process, the iron grains undergo size enh... | 04/11/2000 |
| 6036744 | Method and apparatus for making metallic iron A method of making metallic iron in which a compact, containing iron oxide such as iron ore or the like and a carbonaceous reductant such as coal or the like, is used as material, and the iron oxide is reduced through the application of heat, thereby maki... | 03/14/2000 |
| 5997606 | Production of titanium slag A process for producing titanium slag which is low in radioactivity wherein molten titanium slag, produced by smelting ilmenite in the presence of a reductant in a DC electric arc furnace, is separated from molten iron, boron in an amount which is less th... | 12/07/1999 |
| 5980607 | Steelmaking method with oxygen from rectification of air A method of supplying both an oxygen steelmaking process and an ironmaking process with oxygen. The oxygen is separated from air by rectification of the air. A first stream of oxygen from the rectification to the steelmaking process. A second stream of ox... | 11/09/1999 |
| 5922261 | Process for recovering iron from iron-rich material Iron-rich material waste products, such as electric arc furnace dust, are formed with an organic binder into discrete shapes, such as briquettes and/or other solid shapes. The shapes can then be used in iron and steel making processes and the iron and hea... | 07/13/1999 |
| 5873924 | Desulfurizing mix and method for desulfurizing molten iron A desulfurization composition contains from about 3% to about 20% particulate metallic aluminum, about 5% to about 30% particulate alumina, about 0.5% to about 12% particulate hydrocarbon material or other gas generating composition and the balance lime p... | 02/23/1999 |
| 5785737 | Method for recycling iron bearing sludges in a steelmaking operation The invention is directed to a process for dehydrating wet BOF scrubber sludge to produce a steelmaking revert having an improved flow rate when handled in a recycle stream. Wet sludge is combined with hot BOF slag to provide a slag/sludge mixture. The we... | 07/28/1998 |
| 5755853 | Process for the treatment of solid residues containing metals, in particular residues from the cleaning of household garbage incineration smoke This process comprises; mixing (1) the solid residues with a solid reducing agent; treating (2) the mixture in a furnace at a temperature above 1000° C. to obtain (3) a vitrified product rendered poor in metals and an emission of gas enriched in metallic... | 05/26/1998 |
| 5702502 | Method for direct use of chromite ore in the production of stainless steel A three-stage process for obtaining metallic Cr units insitu during the production of stainless steel. Raw chromite ore or a concentrate produced from chromite ore is mixed with a carbonaceous reductant and slagging agents are added to an iron bath (24) f... | 12/30/1997 |
| 5660805 | Method for beneficiating titanium-bearing material containing iron A process for beneficiating particulate titanium-bearing ore containing iron oxides is disclosed. The first step of the process entails prereducing the ore to convert about 20-90 percent of the iron oxides in the ore to metallic iron. Next, the prereduced... | 08/26/1997 |
| 5637133 | Process for manufacturing sponge iron with low sulphur content A process of manufacturing a sponge iron with low sulphur content by depositing a charge made up of superposed layers of finely divided material on a moving hearth, at least one of the layers being substantially made up of iron oxides and at least another... | 06/10/1997 |
| 5589118 | Process for recovering iron from iron-containing material Iron-rich-material waste products, such as electric arc furnace dust, are formed with an organic binder into discrete shapes, such as briquettes. The shapes can then be used in iron and steel making processes and the iron and heavy metal values in the was... | 12/31/1996 |
| 5486229 | Raw material for producing ferrite dust for friction elements and method of reducing the same A raw material for producing ferrite dust for friction elements and a method of producing reduced ferrite dust, capable of using, as the raw material, various collected sludge and dust which are by-products obtained at iron factories. The sludge has solid... | 01/23/1996 |
| 5364447 | Method of recycling hazardous waste A smelting process for blending hazardous and non-hazardous inorganic industrial wastes with carbon or aluminum reducing agents to simultaneously recover metal alloys (reducible metals), metal oxides (volatile reducible metals), carbon dioxide and man-mad... | 11/15/1994 |
| 5350434 | Process and apparatus for making molten steel The process for making a refined molten steel includes melting preheated solid iron sources and solid carbon sources in a melting vessel with heat generated by electric arc to form a carbon-containing molten material and then melting other preheated solid... | 09/27/1994 |
| 5324341 | Method for chemically reducing metals in waste compositions An environmentally sound process is described for the remediation of waste materials and oxides of metals that allows the separation, recovery and decontamination of metals. The method includes chemically reducing essentially all of a reducible toxic and ... | 06/28/1994 |
| 4792352 | Method for manufacturing steel through smelting reduction A method for manufacturing molten steel wherein iron ore and coal are continuously supplied onto molten metal containing carbon of 1% or less while blowing oxygen gas is being introduced onto the molten metal through a lance. Simultaneously with this oper... | 12/20/1988 |
| 4756748 | Processes for the smelting reduction of smeltable materials A process for the smelting reduction of oxide ores, in particular iron ores, employs a mixture of the finely divided ore with equally finely divided reductant, which in the case of iron ores preferably is a coal. The mixture is fed into the interior of a ... | 07/12/1988 |
