Patents
Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125)
09/1990
09/27/1990DE3909402A1 Filter for gaseous media
09/27/1990DE3908828A1 Filtereinsatz mit sternfilter fuer einen feststoff-filter Filter cartridge with star filter for a solid-filter
09/26/1990EP0389045A2 Filtering device for separating dust from aeriform fluid and in particular for separating textile dust
09/26/1990EP0388996A1 Filter element for a filter panel of a lacquer spraying plant booth
09/25/1990US4959087 Air conditioning system filter with variable rate scent release
09/25/1990US4959085 Process and installation for the treatment of a stream of gas containing pyrophoric dust
09/20/1990WO1990010492A1 Water separator for air data sensor
09/20/1990DE3907342A1 Filter for purifying gases
09/19/1990EP0388385A1 Cleaning device for a filter
09/19/1990CN2062254U Filter duster
09/19/1990CN2062253U Pulse bag type duster
09/19/1990CN2062252U Low pressure side spray pulse bag duster
09/18/1990US4957516 Inverse flow depth filter assembly
09/18/1990CA1274191A1 Fluid filter with pleated filter medium
09/12/1990EP0386806A2 Device for the separation of liquid ashes
09/12/1990EP0386596A2 Dry type simultanenous desulfurization and dedusting apparatus and method of operation therefor
09/11/1990US4956089 Forming an end-cap on a filter cartridge
09/11/1990US4956087 Dimensional stability
09/11/1990US4955996 Top loading dust collector
09/11/1990US4955995 Range hood filter pad
09/11/1990US4955410 Method and means for replacing a malfunctioning air filtration unit
09/07/1990WO1990010830A1 Light fitting including filter elements
09/07/1990WO1990009839A1 Fluidised bed reactor with oblique flow through the bed
09/07/1990WO1990009837A1 Laminated filters
09/07/1990CA2047701A1 Light fitting including filter elements
09/05/1990EP0385260A1 Device for separating particles from flowing medium
09/05/1990EP0359779A4 In-line compressed air carbon monoxide filter
09/04/1990US4954255 Filtering apparatus with pleated filtering material
09/04/1990US4953308 Filter system for a fluid bed granulator/dryer
08/1990
08/29/1990CN1009334B Air cleaners
08/28/1990CA1273167A1 Cord dump and bag tensioning cap
08/23/1990WO1990009229A1 Spiral filter
08/23/1990WO1990009223A1 High efficiency cellular filter and method of manufacture
08/23/1990DE3919505A1 System to purity gases, esp. hot gases - has hollow member, ribbed protrusions, metal fabric, compressed air supply and ceramic filter member
08/23/1990DE3905429A1 Wanderbettreaktor mit querdurchstroemten wanderbett Moving bed reactor with querdurchstroemten migratory bed
08/23/1990DE3905113A1 Process for cleaning filter surfaces
08/23/1990DE3904623A1 Filter in particular for a vehicle
08/22/1990EP0383525A1 Filter device
08/22/1990EP0383402A1 Device for keeping a space dust poor and clean room provided with such a device
08/22/1990EP0383236A1 Filter, especially for a vehicle
08/22/1990EP0382965A2 Air purification apparatus
08/22/1990EP0382742A1 Process of guiding a stream of bulk solids in at least one circulating bed reactor and reactor installation for realising the process.
08/21/1990US4950317 Air filter assembly and method of putting filter element in same
08/21/1990US4950313 Fine dust removal device
08/21/1990CA1272967A1 Fluid filter
08/16/1990EP0382700A2 Regenerable filter
08/16/1990EP0382331A1 Filter cartridge
08/16/1990EP0382330A1 Filter cartridge and method of manufacturing same
08/16/1990EP0382329A1 Filter cartridge
08/15/1990CN2060365U Rotary positioning blowing dust-removing apparatus
08/15/1990CN1009161B Forming method and equipment of filtering elements
08/14/1990US4948505 Quick-change filter cartridge and head therefor
08/14/1990US4948398 Comprising at least two radially spaced and concentric fiber bed elements
08/14/1990US4948397 Method, means and device for separation of particulate matter from a carrier medium
08/14/1990US4948396 Compound vortex filtering apparatus
08/09/1990DE3925511C1 Low cost filter with good stability - filter element has zigzag folds and surrounding frame using 2 mould halves
08/09/1990DE3903730A1 Filter insert
08/09/1990DE3903698A1 Low resistance filter insert - having folds protrusions and permeable material for medium to be filtered
08/09/1990DE3903697A1 Filter insert
08/08/1990EP0381032A2 Filter body with modular elements
08/08/1990EP0380742A1 Process for removing matter during flue gas scrubbing by drying and concentrating and apparatus for carrying out the process
08/08/1990EP0380565A1 A processing chamber and a method of preventing escape of a contaminating substance therefrom
08/07/1990US4946483 Filter for the separation of oily fumes
08/07/1990US4946480 Filter apparatus with improved filtration and saturation level detector
08/07/1990US4946478 Particulate collection and dewatering means for airborne particulate matter
08/07/1990US4945838 Post-combustion chambers
08/07/1990CA1272451A1 Process for scrubbing exhaust gases from diesel engines and filter cartridge for carrying out the process
08/07/1990CA1272396A1 Filter test device
08/01/1990EP0380026A1 Filters
07/1990
07/31/1990CA1272141A1 Air purification system
07/26/1990WO1990007969A1 Filtration apparatus
07/26/1990DE3901663A1 Apparatus for filtering, in particular for filtering out dust from a gas stream
07/25/1990EP0379032A1 Waste gas filter
07/24/1990USRE33272 For hot and/or pressurized gases
07/20/1990CA2008186A1 Exhaust gas filter
07/18/1990EP0378100A1 Filter drum
07/18/1990EP0377952A2 Improved apparatus for cleaning air in coal mines
07/17/1990US4941900 Apparatus and method for gas-liquid separation and filtration
07/17/1990US4941897 Microporous filter and method
07/12/1990WO1990007369A1 Matter collection system including off-line filter cleaning
07/12/1990DE3900543A1 Apparatus for cleaning the waste air occurring on a textile machine
07/12/1990CA2003072A1 Improved apparatus for cleaning air in coal mines
07/11/1990EP0377420A1 Air filter
07/11/1990EP0377419A1 Filter
07/10/1990US4940478 Method of melting raw materials
07/10/1990US4940476 Soot filter
07/04/1990EP0376810A1 Ventilation-cooled cabinet for a signal-processing machine
07/04/1990EP0210243B1 Air temperature control device for a vehicle
07/03/1990US4938787 Filter device and filter apparatus comprising such filter devices
07/03/1990US4938786 Filter for removing smoke and toner dust in electrophotographic/electrostatic recording apparatus
06/1990
06/28/1990DE3921117A1 Filter device fitted in waste gas lines - having housing, connecting sections, support channels, fitting rods, waste gas line and wire netting
06/27/1990EP0375343A2 Sterile air trolley
06/27/1990EP0253814B1 Filtering device for plastic
06/27/1990EP0236479B1 Composite having improved transverse structural integrity and flexibility for use in high temperature environments and method of making the same
06/26/1990US4936879 Filtration system with apparatus for altering the shape and dimension of particles
06/26/1990CA1270771A1 Filtering device for vehicle exhaust
06/21/1990DE3841895A1 Apparatus for the filtration of nuclear, biological and chemical contaminants in breathing air
06/19/1990US4935042 Exhaust gas treating device
06/19/1990US4934142 Exhaust emission control device for a diesel engine
06/19/1990US4934141 Device for microwave elimination of carbon particles contained in exhaust gases of heat engines