|
| US4030307 | 14 Jun 1976 | 21 Jun 1977 | | Impermeable ecological barrier and process of making same from reconstituted shale |
| US4255067 | 2 Nov 1978 | 10 Mar 1981 | John C. Wright | Disposal of liquid waste and recovery of metals therefrom |
| US4345856 | 28 Nov 1979 | 24 Ago 1982 | | Composition and process for stabilizing embankments |
| US4705429 | 10 Abr 1986 | 10 Nov 1987 | GPAC, Inc. | Method of disposing of asbestos waste material |
| US5054962 | 31 Ene 1991 | 8 Oct 1991 | Bayer Aktiengesellschaft | Process for sealing the surface of dumps |
| US5181803 | 20 Abr 1992 | 26 Ene 1993 | Recovermat Technologies, Inc. | Method of making daily cover for a landfill |
| US5244311 | 4 Jun 1992 | 14 Sep 1993 | Waste Management of North America, Inc. | Method for increasing the capacity of an active landfill |
| US5314266 | 15 May 1992 | 24 May 1994 | Recovermat Technologies, Inc. | Method of recycling construction and demolition debris |
| US5324138 | 18 May 1990 | 28 Jun 1994 | Landfill Technologies, Inc. | In situ process for increasing the capacity of a municipal solid waste landfill |
| US5362181 | 9 Abr 1990 | 8 Nov 1994 | Denbesten Enterprises, Inc. | In place stabilization of pre-existing landfills |
| US5374139 | 25 Ago 1992 | 20 Dic 1994 | | Process for producing a sealing for waste dumps and the like |
| US5415496 | 12 Mar 1991 | 16 May 1995 | Denbesten Enterprises, Inc. | Stabilization of pre-existing landfills |
| US5779397 | 24 May 1996 | 14 Jul 1998 | | Method of improving soil body against vibration and liquefaction |
| US5975801 | 18 Dic 1997 | 2 Nov 1999 | | Process for producing a product for use as an alternative cover material for landfills and systems |
| US6499542 | 14 Jun 2000 | 31 Dic 2002 | Rammax Maschinenbau GmbH | Roller vehicle for ground compaction |
| US7140805 | 1 Dic 2003 | 28 Nov 2006 | | Method of treating municipal solid waste |
