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.
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| Number | Title | Issue Date |
| 7340420 | Method and system for providing information on industrial wastes, server and terminal for providing the information, recording medium for recording computer-readable program, and program allowing computer to execute process A system provides assistance in the delivery of industrial wastes from industrial waste-generating sites to one or more industrial waste treatment sites based on exchanged information on industrial wastes containing metal oxide. The system includes a server, termina... | 03/04/2008 |
| 7175691 | Method of producing stainless steel by re-using waste material of stainless steel producing process A method of producing stainless steel includes the steps of melting a raw material in an electric furnace to form molten steel, and then refining the molten steel by a refining furnace to produce stainless steel in a stainless steel producing process. In the method,... | 02/13/2007 |
| 6524367 | Hydrometallurgical process for the recovery of nickel and cobalt by ammoniacal leaching The present is a hydrometallurgical procedure for nickel and cobalt recovery, which involves leaching with ammonia-ammonium carbonate solution of the nickel and cobalt bearing mineral material, using a tubular reactors aid mineral material is previously s... | 02/25/2003 |
| 6514311 | Clean process of recovering metals from waste lithium ion batteries A process of recovering metals from waste lithium ion batteries, wherein the waste batteries are calcined and sieved to generate an ash containing metals and metal oxides. The invented process includes subjecting the ash to a dissolution etching treatment... | 02/04/2003 |
| 6274104 | Non-ferrous metal recovery method utilizing a melt sulphation reaction The invention relates to a method for recovering non-ferrous metals, particularly nickel, cobalt, copper, zinc, manganese and magnesium, from materials containing said metals by converting said non-ferrous metals into sulphates by means of melt and melt c... | 08/14/2001 |
| 6241803 | Method for manufacturing reduced iron pellets A method for manufacturing reduced iron pellets comprises the steps of heating iron oxide pellets incorporating carbonaceous material to yield reduced iron pellets having an apparent density of not more than 4.0 g/cm3, cooling the hot reduced i... | 06/05/2001 |
| 6193941 | Process for producing a metallurgical raw material from oil containing heavy metals Besides a synthesis gas, a metallurgical raw material is to be produced from an oil containing heavy metals. To do this, the oil is partially oxidized and the heavy metal-containing soot is separated and burnt and the heavy metals thus occurring as ash ca... | 02/27/2001 |
| 5728197 | Reclamation process for tungsten carbide/cobalt using acid digestion Tungsten carbide cobalt and tungsten-containing materials are recycled using a single high-temperature oxidation with standard dilution chemistry. The scrap material is ground, oxidized, and subjected to an acid digestion, preferably in hydrochloric acid.... | 03/17/1998 |
| 5578110 | Environmentally acceptable method of disposing of an inflator from an air bag system loaded in a scrapped automobile A method by which numerous gas generators from unused air-bags can be scrapped in an environmentally acceptable manner. The method consists of a) heating the gas generator to actuate the generator to produce combustion gases and an actuated generator having wa... | 11/26/1996 |
| 5492554 | Method for producing high-grade nickel matte from at least partly pyrometallurgically refined nickel-bearing raw materials The invention relates to a method for producing high-grade nickel matte and slag in a combination of a suspension smelting furnace and some other furnace without charge-type converting, so that at least part of the concentrate and/or ore fed into the proc... | 02/20/1996 |
| 5332414 | Method for producing high-grade nickel matte and metallized sulfide matte The invention relates to a method for producing high-grade nickel matte and highly oxidized slag in a flash smelting furnace, and for reducing the slag from the flash smelting furnace and for sulfurating the created matte in an electric furnace. The matte... | 07/26/1994 |
| 5221325 | Process for recovering silver oxide and metals from spent silver oxide button cells A process for recovering silver oxide and metals from a spent silver oxide button cell. The process relates to a physical process which consists of a heating and a cooling process to separate the shell and the content (silver, silver oxide) of the spent s... | 06/22/1993 |
| 4668483 | Process for recovery of chromium A process is disclosed for recovering chromium from a chromium bearing material containing cobalt, molybdenum, and tungsten. The process involves roasting the material and alkali metal compound at a temperature of at least about 400° C. for a sufficient ... | 05/26/1987 |
| 4308240 | Recovery of cobalt and manganese from ash of residue from manufacture of trimellitic acid by acid extraction Cobalt and manganese are recovered from incineration ash obtained by combustion of residue from the manufacture of trimellitic acid and its recovery as 4-carboxyphthalic anhydride and then the recovered cobalt is separated from the recovered manganese by ... | 12/29/1981 |
| 4195986 | Selective reduction of nickel laterite ores To prepare nickel laterite ore for selective reduction of its nonferrous metal oxides, it is comminuted (preferably to 85% minus 200 mesh) and is mixed with comminuted (preferably 100% minus 65 mesh) high volatile, high ash waste coal and a non-gaseous su... | 04/01/1980 |
| 4110106 | Selective sulfation process for partitioning ferrous and non-ferrous values in an ore Process for quantitatively converting non-ferrous metals chosen from the group consisting of copper, nickel, cobalt, vanadium, and manganese in an ore concentrate to soluble sulfates and simultaneously convert the ferrous values in the ore to insoluble ox... | 08/29/1978 |
| 3964901 | Production of copper and sulfur from copper-iron sulfides A hydrometallurgical process for treating iron containing metal sulfides for rendering iron and non-ferrous metal values active and amenable for selective extraction and separate recovery. Sulfur values can be controllably produced as elemental sulfur or ... | 06/22/1976 |
