| Application number | Title of the application | Filing Date | Status |
|---|
| 07/626634 | SAFETY DEVICE AND METHOD | Dec 11, 1990 | Abandoned |
| 07/625350 | MULTIPLE VESSEL MOLTEN METAL GASIFIER | Dec 10, 1990 | Abandoned |
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| 07/581872 | METHOD AND APPARATUS FOR UNIFORMLY LOADING PARTICULATE MATERIAL INTO CYLINDRICAL BEDS | Sep 12, 1990 | Abandoned |