Patents
Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125)
11/1989
11/07/1989US4878923 Apparatus for removing oil from a compressed gas flow
11/02/1989WO1989010475A1 Disposable air cleaner with one piece housing
11/02/1989WO1989010180A1 Apparatus for filtering air and a filter body for such apparatus
11/02/1989EP0339229A1 Air filter with back flow cleaning
11/02/1989DE3813582A1 Support basket for filter bags
10/1989
10/31/1989US4877423 Method and device for cooling flue dust
10/31/1989CA1262515A1 Method of and apparatus for forming filter element
10/26/1989DE3911894A1 Gas filter
10/26/1989DE3812790A1 Apparatus for the attachment of filter inserts
10/26/1989DE3812417A1 Filter apparatus for filtering gaseous media
10/25/1989EP0338314A1 Installation for recovering powder for powder-coating plants or the like
10/25/1989EP0337988A1 Method of manufacturing molded and formed filters.
10/25/1989CN1036515A Oil coalescing filter
10/24/1989US4875360 Method and device for checking filters
10/24/1989CA1262438A1 Monolithic catalytic convertor mounting arrangement
10/19/1989WO1989009648A1 A method of filtering particles from flue gas, a flue gas filter means and a vehicle
10/19/1989DE3910554A1 Particle filter built up using perforated tubes closed at one end
10/19/1989DE3811758A1 Device for separating off pollutants from the exhaust air of carpet production plants
10/19/1989DE3811746A1 Separator for particles from flue gases
10/18/1989EP0337248A1 In-line filter assembly for compressed air
10/18/1989EP0337061A2 Holder for dust bags
10/17/1989US4874586 Multilayer tubular porous walls
10/17/1989US4874517 Filter arrangement with pleat distance piece
10/17/1989US4874513 Disposable filter unit with filter support means at both sides of the filter element
10/17/1989US4874412 Paint spray booth and filter therefor
10/17/1989US4874411 Air filtering mechanism
10/17/1989US4874410 Vacuum producing apparatus
10/17/1989US4874408 Liquid drain assembly
10/17/1989US4874407 Regenerable filter
10/17/1989US4874133 Gas supply and distribution center
10/12/1989DE3810405A1 Safety device for filtering dust separation elements
10/11/1989EP0336883A1 A method of filtering particles from a flue gas, a flue gas filter means and a vehicle
10/11/1989EP0336455A2 Air cleaner
10/11/1989EP0336398A2 Separator element
10/11/1989EP0336087A1 Process and installation for the treatment of a flow of gas containing pyrophoric dust
10/10/1989US4872888 Microporous membrane filter and method of producing same
10/05/1989DE3808538A1 Treatment device for compressed air and other media
10/04/1989EP0335571A2 Spiral wrapped fluid treatment element
10/04/1989EP0334926A1 Filter for the abatement of solid particles and unburned hydrocarbons entrained in the exhaust gases from internal combustion engines
10/04/1989EP0334922A1 Installation for eliminating condensable noxious matter
10/04/1989EP0334910A1 Soot filter
10/04/1989CN2045326U Purifier for cigarette smoke
10/03/1989US4871381 Air filter housing assembly for gasoline engine power tools
10/03/1989US4871380 Cartridge mount for powder collector
10/03/1989CA1262099A1 Air cleaner device
09/1989
09/28/1989DE3908498A1 Fan
09/28/1989DE3908492A1 Fan
09/28/1989DE3808602A1 Device for a filter
09/27/1989EP0334719A1 Air filter for internal combustion engines
09/27/1989EP0333707A1 Filter unit for use at high temperatures
09/27/1989CN1035779A Filter with boiler-shaped filtering elements
09/26/1989US4869738 Continuous trapping of carbon particles from an exhaust gas and regeneration of a rotating convoluted corrugated sheet metal strip
09/26/1989US4869737 Apparatus for cleaning air in coal mines
09/26/1989US4869301 Cylinder cabinet piping system
09/26/1989CA1261768A1 Filter cleaning system for opacity monitor
09/26/1989CA1261767A1 Method of spacing the folds of a folded filter media and an apparatus utilizing the same
09/26/1989CA1260849A1 Top loading and inverted backflushed air filter systems
09/26/1989CA1260407A1 Regenerative filter trap system with apparatus for diverting the exhaust gas flow
09/26/1989CA1260361A1 Heavy duty air filter reconditioning system
09/21/1989DE3844539C1 Web-form filter material, in particular filter paper for liquid filters or gas filters, having shaped-in beadings
09/21/1989DE3815146C1 Web-shaped filter material, in particular filter paper for liquid filters or gas filters, having moulded beads
09/21/1989DE3808343A1 Filter insert for a tank filter housing
09/21/1989DE3808299A1 Filter for extractor hoods
09/21/1989DE3808075A1 Mechanical soot filter device
09/21/1989DE3807827A1 Arrangement for filter, insert for filter and filter
09/21/1989DE3807696A1 Filter for suspended matter
09/21/1989DE3807539A1 Soot filters
09/20/1989EP0333272A1 Backflush filterelement
09/19/1989US4867771 Tensioning device for bag filters
09/19/1989US4867770 Filter cartridge
09/19/1989US4867769 Supporting structure for ceramic tubes in a gas system
09/19/1989US4867764 Convertible air cleaner fan
09/19/1989EP0310632A4 Cross-flow filtration device and method of making.
09/14/1989DE3806756A1 Compressed-air filter
09/13/1989EP0331885A1 Exhaust gas filter
09/13/1989EP0331809A1 Device and process for the separation of aerosols from waste gases
09/13/1989CN1035441A Dry clarificating technology for smoke of flux hot-dipping zn
09/12/1989US4865815 In-line compressed air carbon monoxide filter
09/12/1989US4865803 Gas discharge system for the safety containment of a nuclear reactor
09/12/1989US4865637 Filter cartridge
09/12/1989US4865636 Interlocking wedge for pleated paper filter element
09/12/1989US4865635 Filter assembly for non-welded inflator device
09/12/1989US4865634 Multiple location negative air pressure monitor
09/12/1989US4865629 Control of particle size distribution in gas filtration
09/12/1989US4865627 To produce a gas stream that is sufficiently clean to be recycled to compressors or power recovery turbines; fly ash removal from syngas
09/07/1989DE3806208A1 Filter arrangement
09/07/1989DE3805718A1 Filter for purifying a gas
09/06/1989EP0331607A2 Oil separator
09/05/1989US4863703 Filtration system with apparatus for altering the temperature of particles
09/05/1989US4862813 High temperature gas cleaning in municipal solid waste incineration systems
09/05/1989CA1259041A1 Crimp seal pleated filter assembly
08/1989
08/31/1989DE3805452A1 Air filter insert
08/30/1989EP0329919A1 Device for the removal of oil from a current of pressurized gas
08/30/1989EP0329659A1 Cylindrical air filter with lightweight housing and radially directed seal
08/30/1989EP0259303B1 Fog suppressant for photothermographic imaging compositions
08/30/1989CN2043524U Rotary reverse blow pulse bag dustremover
08/29/1989US4861354 Removing pollutant
08/29/1989US4861353 Polytetrafluoroethylene tube
08/24/1989WO1989007485A1 Shaft with a moving bed of pourable material
08/24/1989WO1989007484A1 Oil coalescing filter