Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 6447852 | Method of manufacturing a diamond composite and a composite produced by same The present invention relates to a method for manufacturing a diamond composite from diamond particles, comprising the steps of forming a work piece, heating the work piece and controlling the heating temperature and heating time so that a certain desired... | 09/10/2002 |
| 5385601 | Process for converting aluminum dross to ladle flux for steel processing An indirect plasma-arc processor for aluminum dross is disclosed. The process involves melting aluminum dross in the presence of a flux in a furnace equipped with one or more arc-forming electrodes, wherein the arc is formed with a gas, such as argon. Mol... | 01/31/1995 |
| 4642133 | Process for chlorinating volatilization of metals which are present in oxidic iron ores or concentrates A process and apparatus is disclosed for the chlorinating volatilization of impurity metals detrimental to the production of iron from a raw material which contains the oxides of the impurity metals and iron or which forms them in an oxidizing atmosphere,... | 02/10/1987 |
| 4491470 | Method for separating non-ferrous metals from ferruginous secondary substances A method for separating non-ferrous metals from ferruginous secondary substances such as residues and slurries from blast furnaces, steel mills, rolling mills, and the like. In accordance with the invention, a layer of the secondary substances is combined... | 01/01/1985 |
| 4402735 | Treating deep sea nodules by segregation roasting A process for recovering nonferrous nickel, copper and cobalt from deep sea nodules to obtain a concentrate rich in the nonferrous metals, a middlings less concentrated in the nonferrous metals and a tailings with a very low concentration of the nonferrou... | 09/06/1983 |
| 4259106 | Process for the roasting and chlorination of finely-divided iron ores and concentrates containing non-ferrous metals Finely-divided iron ores and concentrates which contain non-ferrous metals are roasted and chlorinated in order to vaporize the non-ferrous metals as metal chloride compounds, whereby the finely-divided raw material is oxidized at an elevated temperature ... | 03/31/1981 |
| 4242124 | Process for the selective removal of impurities present in sulfidic complex ores, mixed ores or concentrates A process for the selective removal of the impurities, arsenic, antimony, selenium, tellurium and bismuth, present in sulfidic complex or mixed ores and concentrates or industrial precipitates containing similar minerals, by breaking up and rearranging, a... | 12/30/1980 |
| 4092152 | Volatilization of impurities from smelter reverts A process for substantially reducing the presence of impurities from a sulfur-containing feed material such as dust and hydrometallurgical wastes that result from smelting and refining operations. Pelletized feed materials are heated to 800° to 1150° C ... | 05/30/1978 |
| 4065294 | Energy conserving process for purifying iron oxide Chemical waste by products are used in place of conventional heating fuels both for induration and chloridization of impure iron oxide. Pelletized iron oxide is hardened and purified simultaneously by exposure to the heat and combustion products generated... | 12/27/1977 |
