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| Number | Title | Issue Date |
| 4965812 | Electrode for a glass melting Electrode for a glass melting furnace which avoids the disadvantages of known electrodes which are either expensive and difficult to manufacture, or have operational disadvantages, especially in regard to the delivery of electric power into the molten gla... | 10/23/1990 |
| 4948411 | Glass melting furnace for glazing environmentally hazardous wastes Furnace has a melting section and a withdrawal section bounded by side walls of refractory material which extend to a glass outlet formed by an overflow edge remote from the melting section. In operation a molten glass layer, a molten layer of undissolved... | 08/14/1990 |
| 4932035 | Discontinuous glass melting furnace Furnace has a melting section into which batch is fed to a glass bath heated by electrodes, a homogenizing section, and a clarifying section therebetween in which fossil fuel burners heat the surface of the bath. The clarifying section is separated from t... | 06/05/1990 |
| 4882736 | Method for efficiently using flue gas energy in a glass furnace Raw materials are fed into the charging end of a melting section which is heated by electrodes in the glass bath. The melted charge is then clarified under fossil fuel burners in a clarifying section, where the highest temperature of the furnace is mainta... | 11/21/1989 |
| 4872897 | Bottom tap of a glass melting furnace and method of operating the same A bottom tap of a glass melting furnace comprises a tap brick with a tap hole in which glass is frozen when the tap is not in operation and seals the tap. A tap gate of refractory and non-oxidizing metal is urged against the tap brick underneath the tap h... | 10/10/1989 |
| 4852118 | Energy saving method of melting glass Disclosed are an energy saving method for melting glass in and a glass melting furnace for the practice of the method. A charge is melted in a melting section, clarified in a clarifying section adjoining the melting section, and then homogenized in an adjoinin... | 07/25/1989 |
| 4836841 | Roof for the working area, melting area or gob feeder of a glass melting furnace Roof of a working tank or of a glass melting furnace having a basin containing molten glass and covered by the radiation roof of highly refractory firebrick material, in which the roof is constructed with horizontal supporting elements in the form of stra... | 06/06/1989 |
| 4789990 | Glass melting furnace of improved efficiency Disclosed is an improved efficiency glass melting furnace and a method of operation in which a mixture, or batch, is fed at a narrow side of a rectangular glass melting tank onto the molten glass mass (or bath) across the full width thereof. The furnace i... | 12/06/1988 |
| 4687504 | Glass melting furnace with bottom electrodes A glass melting furnace including a melting tank heated from above by burners and comprising a melting section as well as a refining and homogenizing section provided with electrodes for the supply of electrical energy; a dam which separates the melting s... | 08/18/1987 |
| 4264351 | Glass melting furnace A glass melting furnace, especially fully electrically heated glass melting furnace, comprising a wall of refractory material, said wall being circular or having the configuration of a regular polygon, and wherein a supporting frame is provided at the ext... | 04/28/1981 |
| 4213002 | Electrically heated melting furnace for mineral materials An electrically heated melting furnace for the Melting of mineral materials, such as frits, (Vitreous) enamels and the like, wherein a bath of molten material (contained in a tank) is heated by means of electrodes contacting the molten material and having... | 07/15/1980 |
