|
| US4005994 | 22 Dec 1975 | 1 Feb 1977 | Syngas Recycling Corporation | Process and apparatus for converting solid wastes to pipeline gas |
| US4206186 | 13 Jan 1978 | 3 Jun 1980 | Holter Gesellschaft fur Patentverwertungsverfahren mbH | Refuse pyrolysis |
| US4638629 | 19 Mar 1986 | 27 Jan 1987 | Westinghouse Electric Corp. | Process for electric power production using a biogas |
| US5425792 | 24 Nov 1993 | 20 Jun 1995 | Hylsa, S.A. de C.V. Proler Environmental Services, Inc. | Method for gasifying organic materials |
| US5656044 | 7 Jun 1995 | 12 Aug 1997 | Hylsa S.A. de C.V. Proler Environmental Services, Inc. | Method and apparatus for gasification of organic materials |
| US5851246 | 7 Jun 1995 | 22 Dec 1998 | Hylsa, S.A. de C.V. GTS Duratek, Inc. | Apparatus for gasifying organic materials |
| US7964026 | 17 Jul 2006 | 21 Jun 2011 | Power Reclamation, Inc. | Gasification apparatus |