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| Number | Title | Issue Date |
| 6862899 | Method and apparatus for heating glass melting furnaces with fossil fuels During the heating of glass melting furnaces having a combustion chamber with regenerators for preheating oxidation gases, with port necks that open into the combustion chamber, with primary burners and with secondary burners that are installed in a cascade arrangem... | 03/08/2005 |
| 6154481 | Method of operation of a glass melting furnace and a glass melting furnace for the practice of the method In a glass melting furnace, a radiation screen wall is installed between a melting area and a refining area with a refining bank. This radiation screen wall leaves a flow path above the melt surface of the glass bath for the return flow of at least part o... | 11/28/2000 |
| 5728190 | Melting furnace and process for the inertization of hazardous substances by vitrification A tank furnace for the inertization of non-flammable batch, which contains hazardous substances, metals and less than 10% by weight of carbon, by vitrification with glass forming aggregates by producing a glassy melt. The furnace has a batch charging devi... | 03/17/1998 |
| 5573569 | Method for conditioning and homogenizing a glass stream A continuously flowing glass stream is conditioned and homogenized along a conditioning stretch, which extends from an entry side to at least one extraction point, and at the beginning of which there is a cooling zone, to which a homogenizing zone for the... | 11/12/1996 |
| 5536291 | Method for melting glass in and a glass melting furnace for the practice of the method In a furnace for melting glass, a preheating zone, a melting zone, a refining zone with a refining bank raised above the rest of the floor and an homogenizing zone, are arranged lengthwise behind one another between the charging end for the glass raw mate... | 07/16/1996 |
| 5439496 | Method for the vitrification of waste materials and apparatus to carry out the method A method and apparatus for vitrifying waste materials containing a high quantity of carbon are provided which include the use of a secondary combustion chamber for burning the waste gases resulting from an electrically heated glass melting furnace. Additi... | 08/08/1995 |
| 5399181 | Method and apparatus for preheating charging material having organic contaminants for glass melting furnaces A method and apparatus for preheating material in a glass melting furnace is provided. An indirect heat exchanger is utilized in which exhaust gases from the glass melting furnace are directed, in a counter flow relation, to raw materials and glass cullet... | 03/21/1995 |
| 5395416 | Regenerative glass melting furnace with reduced NOx emission Regenerative glass melting furnace of the type having a batch section where glass is melted, a port neck where combustion air is introduced, and burners supplied by fuel inlet nozzles in the floor, the roof, and the lateral walls of the port neck.... | 03/07/1995 |
| 5110329 | Filtering device for dust and exhaust gases of glass melting furnaces containing sulfurous compounds A filtering device for dust and exhaust gases of glass melting furnaces containing sulfurous compounds wherein the filtering medium is mineral wool which can be passed across the exhaust gas flow by means of a temperature-stable belt that matches the open... | 05/05/1992 |
| 5035735 | Process for vitrifying environmentally hazardous waste material in a glass melting furnace Process for vitrifying environmentally hazardous waste material in a glass melting furnace includes forming a batch including the waste material and no more than 30 weight percent additives including phonolite and SiO2 containing substances. A ... | 07/30/1991 |
| 5032161 | Apparatus for melting asbestos-containing waste material in glass Apparatus includes a furnace for vitrifying waste material, a storage container for delivering waste material to the furnace and a pipe for passing a heat transfer medium through the storage container to preheat the waste material and remove water therefr... | 07/16/1991 |
| 5002600 | Conduit for molten glass A plurality of conduit segments contact on another which run vertically and transversely to the direction in which molten glass is channelled. Each segment includes at least one trough section and at least one cover section, an insulation of individual fo... | 03/26/1991 |
