| Application number | Title of the application | Filing Date | Status |
|---|
| 07/166573 | METHOD FOR DRIVING A GAS TURBINE AND A HEXAGONAL PRESSURIZED FLUIDIZED BED REACTOR ULTILIZED IN SAID METHOD | Mar 9, 1988 | Abandoned |
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| 07/152548 | BURNER FOR SOLID AND OTHER HIGH ASH FUELS | Feb 4, 1988 | Abandoned |
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| 07/136110 | SUPERCHARGED COAL-FIRED STEAM GENERATOR | Dec 20, 1987 | Abandoned |