|
| US4345922 | 22 Dec 1980 | 24 Aug 1982 | Donaldson Company, Inc. | Air cleaner with anti-reentrainment |
| US4372821 | 31 Aug 1981 | 8 Feb 1983 | United States Filter Corporation | Emission control apparatus |
| US4735635 | 10 Mar 1987 | 5 Apr 1988 | Westinghouse Electric Corp. | Apparatus and process for filtering high temperature gas streams |
| US4735638 | 18 Nov 1986 | 5 Apr 1988 | The United States of America as represented by the United States Department of Energy | Filter unit for use at high temperatures |
| US4764190 | 10 Feb 1987 | 16 Aug 1988 | Westinghouse Electric Corp. | High temperature, high pressure gas filter system |
| US4812149 | 3 Dec 1987 | 14 Mar 1989 | Westinghouse Electric Corp. | Hot inert gas purging for filter blowback process |
| US5035331 | 14 Aug 1989 | 30 Jul 1991 | | Method and apparatus for removing dust and debris from particulate product |
| US5182926 | 16 Sep 1991 | 2 Feb 1993 | Nestec S.A. | Recovery of aroma gases |
| US5222364 | 23 Nov 1992 | 29 Jun 1993 | Nestec S.A. | Recovery of aroma gases |
| US5254144 | 19 Aug 1992 | 19 Oct 1993 | Pyropower Corporation | Method and appartus for separating particulate material from combustible gases |
| US5323623 | 25 Jun 1993 | 28 Jun 1994 | Nestec S.A. | Recovery of aroma gases |
| US5401406 | 11 Dec 1992 | 28 Mar 1995 | Pall Corporation | Filter assembly having a filter element and a sealing device |
| US5474585 | 18 May 1994 | 12 Dec 1995 | Pall Corporation | Filtering apparatus |
| US6290752 | 14 Oct 1999 | 18 Sep 2001 | Von Roll Umwelttechnik AG | Device and process for adsorption or chemisorption of gaseous constituents from a gas flow |
| US6364932 | 2 May 2000 | 2 Apr 2002 | The BOC Group, Inc. | Cold gas-dynamic spraying process |
| US7547418 | 23 Jan 2004 | 16 Jun 2009 | GM Global Technology Operations, Inc. | Fluidized-bed reactor system |