|
| US4149862 | 22 Jun 1978 | 17 Abr 1979 | | High temperature gas filtering device |
| US4318720 | 19 Jul 1979 | 9 Mar 1982 | | Exhaust filter muffler |
| US4372421 | 19 Jul 1979 | 8 Feb 1983 | | Vehicle exhaust system |
| US4894074 | 28 Oct 1988 | 16 Ene 1990 | Swiss Aluminium Ltd. | Filter for cleaning exhaust gases of diesel engines |
| US4924570 | 5 Abr 1989 | 15 May 1990 | Swiss Aluminium Ltd. | Filter for cleaning exhaust gases of diesel engines |
| US4971612 | 23 Mar 1989 | 20 Nov 1990 | Arrow Pneumatics, Inc. | Reclassifying silencer |
| US5109950 | 29 Ene 1990 | 5 May 1992 | Glaenzer Spicer | Silencer for exhaust gases and part of an exhaust line having such a silencer |
| US5186914 | 15 Mar 1991 | 16 Feb 1993 | The Social Welfare Foundation Hokkaido Rehability | Process for removing NO.sub.x and SO.sub.2 utilizing activated carbon |
| US5246472 | 25 Mar 1993 | 21 Sep 1993 | Donaldson Company, Inc. | Apparatus for filtering engine exhaust |
| US5454845 | 24 May 1994 | 3 Oct 1995 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Heat-resistant filter |
| US5494500 | 11 May 1994 | 27 Feb 1996 | The Social Welfare Foundation Hokkaido Rehabily | Activated carbon, production thereof and adsorption using activated carbon |
| US5620506 | 30 Nov 1995 | 15 Abr 1997 | The Social Welfare Foundation Hokkaido Rehabily | Activated carbon, production thereof and adsorption using activated carbon |
| US5630855 | 21 Jun 1995 | 20 May 1997 | Humanteknik AB | Moisture-collecting device |
| US5663537 | 16 May 1995 | 2 Sep 1997 | | Assembly of an exhaust pipe unit and a muffling device |
| US5679316 | 19 Abr 1995 | 21 Oct 1997 | The Social Welfare Foundation Hokkaido Rehabily | Activated carbon, production thereof and adsorption using activated carbon |
| US5941283 | 22 Oct 1997 | 24 Ago 1999 | Dayco Europe S.p.A | Pressure pulse attenuating fluid supply conduit |
| US6155379 | 8 Jul 1998 | 5 Dic 2000 | NSU Corporation | Silencing member for mufflers and method of manufacturing the silencing member |
