|
| US4415459 | 8 Jun 1981 | 15 Nov 1983 | | Waste disposal systems and methods |
| US4681706 | 5 Jul 1984 | 21 Jul 1987 | Westinghouse Electric Corp. | Nuclear waste packaging facility |
| US4784802 | 20 Aug 1986 | 15 Nov 1988 | Westinghouse Electric Corp. | Nuclear waste disposal site |
| US4845372 | 11 Dec 1987 | 4 Jul 1989 | Westinghouse Electric Corp. | Nuclear waste packing module |
| US4973194 | 8 Aug 1988 | 27 Nov 1990 | The United States of America as represented by the Secretary of Commerce | Method for burial and isolation of waste sludge |
| US4981393 | 1 Feb 1988 | 1 Jan 1991 | Ecotechniek B. V.
Heijmans Milieutechniek B. V. | Method and apparatus for cellularly isolating, treating and/or removing strongly polluted material present in or on the soil |
| US5244311 | 4 Jun 1992 | 14 Sep 1993 | Waste Management of North America, Inc. | Method for increasing the capacity of an active landfill |
| US5261766 | 13 Jul 1992 | 16 Nov 1993 | | Vertical bore hole system and method for waste storage and energy recovery |
| US5421673 | 2 Aug 1993 | 6 Jun 1995 | Hayward Baker Inc. | Method for gaining garbage dump space by means of garbage compaction |
| US5429454 | 30 Mar 1994 | 4 Jul 1995 | BioSafe, Inc. | Landfill reclamation |
| US5636941 | 17 Dec 1993 | 10 Jun 1997 | Biosafe Landfill Technology, Inc. | Landfill reclamation |
