| Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125) |
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| 08/23/1989 | EP0329544A1 Filter block and filtration equipment |
| 08/23/1989 | EP0329364A1 Apparatus for treating gas |
| 08/23/1989 | EP0328626A1 Mist eliminator module and a method for self-cleaning of the same |
| 08/23/1989 | CN1034865A Positive dust-catching type back-wind filter |
| 08/22/1989 | US4859405 Filtered venting and decay heat removing apparatus and system for containment structures, and method of operation |
| 08/22/1989 | US4859221 Method and means for replacing a malfunctioning air filtration unit |
| 08/22/1989 | US4859220 Cabinet controller |
| 08/17/1989 | DE3803561A1 Heissgasfilterapparat Hot gas filtration apparatus |
| 08/16/1989 | EP0328419A1 Apparatus for treating gas |
| 08/16/1989 | EP0267897B1 Device for filtering gases |
| 08/16/1989 | CN2042924U Movable-plate type multi-orifice plate arrangement |
| 08/15/1989 | US4857089 Ceramic honeycomb filter for purifying exhaust gases |
| 08/15/1989 | CA1258436A1 Mat structure for use in filtration devices |
| 08/10/1989 | DE3803613A1 Process and apparatus for purifying dusty, organically contaminated exhaust gases of an exhaust gas stream |
| 08/09/1989 | EP0327507A2 Device for the purification of air |
| 08/09/1989 | EP0327439A1 Device for the elimination of carbon particles out of exhaust gas of internal combustion engines by microwaves |
| 08/09/1989 | CN2042374U Filter for granular with auto-moving bed |
| 08/09/1989 | CN1034490A Bag for remoual of soild material from gases and for treatment of said gases |
| 08/08/1989 | US4854953 Air filter and module to be used for building up such a filter |
| 08/08/1989 | US4854951 Pulse jet fabric filter |
| 08/08/1989 | US4854950 Moisture separator |
| 08/03/1989 | DE3802190A1 Filter element and process for the production of filter elements |
| 08/02/1989 | EP0325712A1 Disposable filter with a double supporting grid |
| 08/02/1989 | EP0325689A1 Plasma furnace inert gas recycling system and process |
| 08/02/1989 | EP0270525B1 Device for filtering gases |
| 08/02/1989 | CN1034325A Technology for making circular upper cover with inward bent periphery |
| 08/01/1989 | US4853120 Axial reverse flow filter assembly for fluids |
| 07/26/1989 | EP0325176A1 Supporting structure for ceramic tubes in a gas system |
| 07/26/1989 | CN2041586U Pneumatic dust-collecting unit |
| 07/25/1989 | US4851136 Using fiber bundles compressed by flexible waterproof membrane |
| 07/25/1989 | US4851019 Electric vacuum cleaner |
| 07/19/1989 | EP0324331A1 Apparatus for continuous hot gas sampling from a reactor |
| 07/19/1989 | EP0324330A1 Apparatus for hot gas sampling from a reactor |
| 07/18/1989 | USRE32989 Air line vapor trap |
| 07/18/1989 | US4848992 Gas filter system |
| 07/18/1989 | US4848990 Dust collector adapted for use in a hopper dryer |
| 07/18/1989 | US4848989 In-line filter assembly for compressed air |
| 07/18/1989 | CA1257552A1 Pulse cleaning system for dust filters |
| 07/13/1989 | DE3744535A1 Dustproof door |
| 07/13/1989 | DE3744270A1 Dust filter, in particular for motor vehicle air-conditioning units |
| 07/13/1989 | DE3744265A1 Soot filter for the purification of exhaust gas in motor vehicles |
| 07/12/1989 | CN1033749A Filter replacement mechanism |
| 07/11/1989 | US4846859 Air cleaner |
| 07/11/1989 | US4846370 Sphere based fluid systems |
| 07/11/1989 | CA1257207A1 Method and apparatus for washing a plurality of filter elements |
| 07/06/1989 | DE3744172A1 Filter insert for a device for the purification of waste air |
| 07/06/1989 | DE3743458A1 Filter for purifying a gaseous medium by means of pourable or flowable filter material |
| 07/05/1989 | CN1033575A Filter replacement mechanism |
| 07/04/1989 | US4845334 Plasma furnace inert gas recycling system and process |
| 07/04/1989 | US4844665 Portable industrial filter system |
| 06/29/1989 | WO1989005858A1 Cucumber mosaic virus coat protein gene |
| 06/28/1989 | EP0322337A1 Filter replacement mechanism |
| 06/28/1989 | EP0321914A1 Process and device for the separation of dust from hot gases |
| 06/28/1989 | EP0321895A1 Cover plate for air and gas filters |
| 06/28/1989 | CN2039994U Laminated dust remover |
| 06/27/1989 | US4842739 High surface area filter cartridge |
| 06/27/1989 | US4842623 Soot collector with fluid metering device |
| 06/27/1989 | US4841628 Filter replacement mechanism |
| 06/27/1989 | CA1256389A1 Dust separator |
| 06/21/1989 | EP0320625A2 Use of odorous products, especially in vacuum cleaners |
| 06/20/1989 | US4840650 Ceiling fan filter |
| 06/20/1989 | US4840397 Impact protection device for the occupants of motor vehicles with a filter to clean the driving gas |
| 06/20/1989 | CA1255857A1 Grid element for lid of cannister type vacuum cleaner |
| 06/15/1989 | WO1989005200A1 Self-cleaning screening device |
| 06/15/1989 | WO1989004802A3 Conveying apparatus and separation apparatus |
| 06/15/1989 | DE3741291A1 Process and an appliance for filtering out impurities from a gas |
| 06/14/1989 | EP0319949A2 Filter element and assembly |
| 06/14/1989 | EP0319853A2 Process and device for the filtration of impurities out of a gas |
| 06/14/1989 | CN2039288U Air filter for locomotive |
| 06/13/1989 | US4839014 Cleaner assembly, humidifier, gas alarm and detoxification system |
| 06/13/1989 | US4838912 Method and apparatus for the purification and recirculation of gases |
| 06/13/1989 | US4838910 Air driven filtration system |
| 06/13/1989 | US4838909 Cartridge air filter and method of making the same |
| 06/13/1989 | US4838905 Filter element and method of making a filter element |
| 06/13/1989 | US4838903 Multi-phase thick-bed filter |
| 06/13/1989 | US4838902 Valves permit reversal of air flow in cool air duct to remove debris; for aircraft |
| 06/13/1989 | US4838901 High strength plastic casing and cover; snap together; aircraft use |
| 06/08/1989 | DE3837024A1 Vorrichtung zur reinigung feststoffbeladener gasstroeme Apparatus for cleaning solid laden gasstroeme |
| 06/07/1989 | EP0318958A2 Exhaust gas treating device |
| 06/07/1989 | EP0318940A2 Mowing and sweeping device |
| 06/07/1989 | EP0318934A2 Bag for removal of solid material from gases and for treatment of said gases |
| 06/06/1989 | US4836931 Reinforced filter tube and method of making the same |
| 06/06/1989 | US4836925 Device for a filter device |
| 06/06/1989 | US4836834 Air filter with back flow cleaning |
| 06/06/1989 | US4836242 Pressure reducer for pure gases |
| 06/01/1989 | WO1989004802A2 Conveying apparatus and separation apparatus |
| 06/01/1989 | DE3814983C1 Support basket made of push-in elements for filter bags |
| 05/31/1989 | EP0318417A2 Filter replacement mechanism |
| 05/31/1989 | EP0318308A2 Vacuum loader and process for removing asbestos and other particulate material |
| 05/31/1989 | EP0317674A2 High efficiency particulate air filter and spacer therefor |
| 05/31/1989 | CN2038418U Filtered air sterilizer for water supply equipment |
| 05/30/1989 | US4834700 Method of and apparatus for forming filter element |
| 05/24/1989 | EP0317532A1 Pressure indicator |
| 05/24/1989 | EP0317515A1 Filter for the purification of the exhaust gas of diesel engines |
| 05/24/1989 | EP0317501A1 Exhaust gas cleaning filter for diesel engines |
| 05/24/1989 | EP0317190A1 Filtration of fluid media |
| 05/24/1989 | EP0317118A2 A process for regenerating ceramic honeycomb filters by combusting |
| 05/24/1989 | CN1033012A Method and apparatus for separating fine particulates from mixture of fine particulates and gas |
| 05/23/1989 | US4832843 Apparatus for filtering fluid medium |
| 05/23/1989 | CA1254522A1 Fabric filter shaker assembly |