Patents
Patents for B01D 50 - Combinations of devices for separating particles from gases or vapours (13,509)
10/1990
10/03/1990CN2063045U Table-type duster set
09/1990
09/28/1990CA2013264A1 Process for the purification of waste gases emitted from a melting furnace
09/26/1990CN2062652U High efficient particle trapper
09/25/1990US4959085 Process and installation for the treatment of a stream of gas containing pyrophoric dust
09/18/1990US4957520 Apparatus for the removal of vapors and vapor products
09/12/1990EP0386806A2 Device for the separation of liquid ashes
09/05/1990EP0385260A1 Device for separating particles from flowing medium
09/05/1990EP0359779A4 In-line compressed air carbon monoxide filter
08/1990
08/22/1990CN1044769A Supercooling type purifying apparatus of smoke and fume
08/21/1990US4950317 Air filter assembly and method of putting filter element in same
08/14/1990US4948397 Method, means and device for separation of particulate matter from a carrier medium
08/07/1990US4946483 Filter for the separation of oily fumes
07/1990
07/31/1990US4944780 Central vacuum cleaner with detachable filter assembly
07/26/1990WO1990007969A1 Filtration apparatus
07/18/1990EP0377952A2 Improved apparatus for cleaning air in coal mines
07/17/1990US4941900 Apparatus and method for gas-liquid separation and filtration
07/17/1990US4941400 Ventless hood for a deep fat fryer
07/12/1990WO1990007369A1 Matter collection system including off-line filter cleaning
07/12/1990CA2003072A1 Improved apparatus for cleaning air in coal mines
07/11/1990CN2059103U Filter duster for bath water
07/03/1990US4938787 Filter device and filter apparatus comprising such filter devices
07/03/1990US4938785 Gas-liquid separation
07/03/1990CA1271038A1 Apparatus for the production of mineral fibers having supplemental collection chamber exhaust
06/1990
06/26/1990US4936880 Scrubber
06/06/1990EP0371531A1 Filter bed combined with a centrifugal separator
06/06/1990EP0371171A1 Method and device for the filtration of excess varnish particles
05/1990
05/31/1990WO1990005876A1 Whole tire disposal system
05/30/1990EP0370521A1 In-line filter device for compressed air
05/23/1990EP0368861A1 Method and apparatus for treating process gases.
05/22/1990US4926620 By passing air through opposing water jet streams
05/01/1990US4921679 Exhaust system for laser surgery
05/01/1990US4921509 Air filtration system for ducted range hoods
04/1990
04/24/1990US4919696 Supercooling type mist eliminator apparatus
04/11/1990CN2055739U Precharged static electricity bag filtering dust catcher
03/1990
03/28/1990EP0359779A1 Compressed air carbon monoxide filter.
03/28/1990CN2055064U 净化器 Purifier
03/21/1990EP0358923A1 Process and apparatus for purifying a raw gas originating from the gasification of solids
03/13/1990US4908050 Oil mist remover
02/1990
02/27/1990US4903462 Oil mist remover
02/22/1990WO1990001362A1 Filter device
02/21/1990CN1006898B Method for cleaning gas produced from solid carbonaceous material in a twostage gas producer
02/21/1990CN1006850B Sulfur oxide scrubbing process
02/14/1990CN1039641A Process for cleaning gas turbine inlet air
02/13/1990US4900341 Purification system
02/08/1990DE3826477A1 Filter apparatus
02/08/1990DE3826475A1 Filter apparatus
02/08/1990DE3826454A1 Apparatus for separating off impurities from gas
02/07/1990EP0353903A1 Method for gas-liquid separation and filtration
02/07/1990EP0353679A1 Filtering device
01/1990
01/25/1990WO1990000436A1 Process for cleaning gas turbine inlet air
01/24/1990EP0352126A2 An inlet for a high volume particle sampler
01/23/1990US4895083 Whole tire disposal system
01/23/1990CA1264681A1 Automated production of canisters
01/17/1990EP0350628A1 Process and device for the recovery of residual powder from powder-coating boots
01/11/1990DE3821739A1 Process and apparatus for dedusting areas, in particular during sand-blasting work and similar
01/10/1990EP0350272A1 Process for cleaning gas turbine inlet air and apparatus therefor
01/10/1990CN2050933U Combined wet dust catcher
01/09/1990CA1264314A1 Filter medium for treating an exhaust gas
01/03/1990CN2050347U Compound dust remover
12/1989
12/26/1989US4889544 Cooler-dehumidifier-filter 3-in-one apparatus for treating compressed air
12/26/1989US4888884 Method and plant for cleaning dryer exhaust gases during the drying of wood chips, wood fiber of the like
12/19/1989US4888158 Separating unevaporated drops from hot flue gas stream using modified electrostatic precipitator; removal of sulfur oxides and particles; pollution control
12/14/1989WO1989011925A1 Apparatus for removal of hazardous or toxic waste
12/13/1989EP0346301A1 A filter for the separation of oily fumes
12/13/1989CN2049152U Cyclonic filtration type dust remover
12/12/1989US4886524 Spraying liquid into exhaust gas, passing into dust collector with vacant first chamber; reduced flue length
12/12/1989US4886523 Expansion to high subsonic velocity, recompression by deceleration, inertial separation of particles
12/06/1989EP0344283A1 Scrubber.
12/06/1989CN2048782U Dust filter with hemp and stone screen and water film
12/06/1989CN2048780U Wind cowl-type smoke reducing duster directly installed on top of chimney
11/1989
11/23/1989EP0343061A1 Circular filter with filter cartridge
11/23/1989EP0342559A1 Device for the deposition of dust and/or acidic noxious matters from gases
11/14/1989US4880685 Pollution control, heat treatment
11/07/1989US4878927 Filtering separator for particles and harmful gases from unrefined gases
11/07/1989US4878925 Apparatus for removing foreign substances in gas
11/07/1989CA1262690A1 Gas/liquid/solids separator
10/1989
10/31/1989US4877431 Radial impingement separator
10/25/1989EP0338960A1 Device for exhausting and trapping fumes above an oil-bath or water-bath cooker
10/19/1989DE3811758A1 Device for separating off pollutants from the exhaust air of carpet production plants
10/17/1989US4874409 Equipment for continuous separation of small particles and vapours of sublimable compounds
10/17/1989US4874402 Process for purifying and cooling a hot gas
10/11/1989EP0336087A1 Process and installation for the treatment of a flow of gas containing pyrophoric dust
10/11/1989CN2045671U Rotary-wind combined dust remover
10/11/1989CN2045670U Wet dust collector
10/10/1989US4872890 Multi-stage gas-entrained liquid separator
10/04/1989EP0334922A1 Installation for eliminating condensable noxious matter
10/04/1989CN2045469U High-efficiency safety purifier for asphalt smoke from hot-rolled mill
10/03/1989US4871515 Electrostatic filter
09/1989
09/26/1989US4869737 Apparatus for cleaning air in coal mines
09/26/1989CA1260849A1 Top loading and inverted backflushed air filter systems
09/20/1989CN2044517U Duster with revolving filter, compound location and reversing blow
09/14/1989DE3806756A1 Compressed-air filter
09/13/1989CN1035441A Dry clarificating technology for smoke of flux hot-dipping zn
09/12/1989US4865815 In-line compressed air carbon monoxide filter
09/12/1989US4865749 Indoor swimming pool maintenance, cyclone separator, ozone treatment
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
09/07/1989DE3805718A1 Filter for purifying a gas
09/06/1989EP0331607A2 Oil separator
09/05/1989US4863499 Anti-duffusion chemical breather assembly for disk drives