|
| US3932146 | 11 Jul 1974 | 13 Jan 1976 | Exxon Research and Engineering Company | Process for the fluid bed gasification of agglomerating coals |
| US4274836 | 20 Apr 1979 | 23 Jun 1981 | Dravo Corporation | Method for improving bed firing characteristics and inhibiting coalescence of coal pellets |
| US4280893 | 26 Sep 1978 | 28 Jul 1981 | | Integrated coal conversion process |
| US4288407 | 8 Jun 1978 | 8 Sep 1981 | | Method and apparatus for treating material in a fluidized bed |
| US4548796 | 11 Jul 1983 | 22 Oct 1985 | SKW Trostberg A.G. | Process for the production of pure burnt lime |
| US4790487 | 8 Jul 1987 | 13 Dec 1988 | Kabushiki Kaisha Okawara Seisakusho | Continuos granulator |
| US5641327 | 2 Dec 1994 | 24 Jun 1997 | | Catalytic gasification process and system for producing medium grade BTU gas |
