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