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| Number | Title | Issue Date |
| 6705118 | Method of boosting a glass melting furnace using a roof mounted oxygen-fuel burner In an industrial glass furnace which contains recuperators, regenerators, electric boost or other devices for providing heat to glass batch material an oxy-fuel burner mounted in the roof of the furnace provides additional heat to melt the batch material. A method o... | 03/16/2004 |
| 6279349 | Method for making glass sheet heating furnace A method for making a furnace for heating a glass sheet by lower electric resistance elements (50) supported by a furnace housing (12) below a roll conveyor (40) and by supplying a gas burner heated hot gas flow from a forced convection heater (56) that p... | 08/28/2001 |
| 6207591 | Method and equipment for manufacturing semiconductor device A silicon wafer is heated from an initial pre-heating temperature (T0) up to a first annealing temperature (T1) by a rapid heating up step using an IR lamp. A first annealing is executed at the first annealing temperature (T1 | 03/27/2001 |
| 6131411 | Method and furnace for heating glass sheets A method and furnace for heating a glass sheet by lower electric resistance elements (50) supported by a furnace housing (12) below a roll conveyor (40) and by supplying a gas burner heated hot gas flow from a forced convection heater (56) that provides a... | 10/17/2000 |
| 4818844 | Furnace heating A burner is mounted on top of a regenerator by a pipe connector. The combustion chamber of the burner communicates with the furnace interior via a tunnel and with the interior of the regenerator comprises a packing of ceramic material with a tubular casing of ... | 04/04/1989 |
| 4480991 | Process of and apparatus for operating a shaft furnace In a shaft furnace for burning limestone or similar raw materials, gaseous, liquid or solid fuels are supplied through fuel supply pipes to the burning zone of a furnace shaft. To permit the simultaneous supply of at least two different fuels, the fuel su... | 11/06/1984 |
| 4470849 | Method and device for the calcination of finely grained to dust-form material, particularly of comminuted raw material to be used in the manufacture of cement A method and mechanism for heat treating a pulverulent comminuted raw material in the process of making cement including preheating the material, passing the material through a first reaction zone, supplying a first fuel supply to the first zone for suppl... | 09/11/1984 |
