Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125)
05/1991
05/21/1991US5017200 Baghouse
05/16/1991WO1991006360A1 Filter bag for separating particles from a gas
05/16/1991WO1991006359A1 Device for separating particles from a gas
05/16/1991WO1991006358A1 Valve cartridge for cleaning dust filter installations by means of compressed air
05/15/1991EP0426850A1 Air cleaner
05/15/1991EP0426757A1 Fiber bed filter
05/15/1991EP0337988B1 Method of manufacturing molded and formed filters
05/15/1991CA2029331A1 Filter for the separation of impurities or contaminants
05/14/1991US5015381 Solid element fluid filter for removing small particles from fluids
05/14/1991US5015377 Planar plural tubular filter array
05/10/1991CA2002785A1 Dust filter
05/08/1991EP0326546B1 Thermally formed stacked disc filter
05/08/1991EP0325582B1 Molded panel filter
05/08/1991DE4013645A1 Inserting air filter mat into electronic housing
05/08/1991DE3936863A1 Ventilpatrone fuer die abreinigung von staubfilteranlagen mittels druckluft Valve cartridge for the cleaning system of dust filter systems by means of compressed air
05/08/1991DE3936858A1 Corrugated pollen and dust filter sheet adhesively bonded - to rectangular frame with projecting peripheral support tines for corrugations
05/08/1991CN2076441U Auto-dusting window type dust precipitator
05/08/1991CN2076440U Three-functional in situ type dust precipitator with glassfibre flat-bag
05/07/1991US5013343 Dust collector
05/07/1991US5013342 Centrifugal separator and granular filter unit
05/07/1991US5013341 Apparatus for separating particulate material from high-temperature gases
05/07/1991US5013333 Such as vacuum cleaners and rotary broom sweepers
05/07/1991US5012546 Loom cleaning apparatus
05/02/1991EP0425427A2 Method for preparation of sodium silicates
05/02/1991EP0424933A2 Filter device
05/01/1991CN2075979U Pressured back-blowing cloth bag dust remover
04/1991
04/30/1991US5011519 In-line filter and trap structure device for compressed air
04/30/1991CA2001811A1 Filter cap for purifying the exhaust gases of internal combustion engines, mainly for motor vehicles
04/25/1991DE4031375A1 Dust extraction from flue gases - by perforated plate with weighted inserted tubular filter elements
04/24/1991EP0423435A1 Air filter with radial sealing filter insert
04/23/1991US5009857 Filter for gases
04/23/1991US5009781 Cross-flow filtration device with filtrate network and method of forming same
04/18/1991WO1991004779A1 Process for the production of a semi-finished article, and uses of the article thus produced
04/18/1991DE3934537A1 Filter ceiling - for paint spray cabins with filter mat resting on a metal bar grip
04/17/1991EP0422740A2 flue gas filter with velocity-reducing chamber and cleaning unit for the filter cloth
04/17/1991EP0422254A1 Filter ceiling specially for spray booths
04/17/1991EP0422137A1 Spiral filter.
04/17/1991EP0237530B1 Filter body
04/16/1991US5007180 Method of and an apparatus for the separation of condensable harmful substances
04/11/1991DE3930023A1 Maintaining filter sterility by heat from conductive section - incorporated in filter and directly or inductively heated
04/10/1991EP0421706A1 Baghouse
04/09/1991US5006136 Rotary drum filter
04/09/1991US5006135 Self cleaning screen
04/04/1991DE3932156A1 Blowing dust from scoured small area of air filter - by mobile air-jet bar in narrow hoppers moved in synchronism below filters
04/03/1991EP0419747A2 Filter apparatus with improved filtration and saturation level detection
04/02/1991CA2000025A1 Baghouse
04/02/1991CA1282347C Disposable hepa filtration device
03/1991
03/27/1991CN2073942U Air filter cleaner with high cleanliness
03/27/1991CN1012135B Filter consisting of refrigeratory dry materials and process for their proparation and their use, in particalar medicine
03/26/1991US5002666 Filter element and manufacture method thereof
03/26/1991US5002597 Aerodynamic filter
03/26/1991US5002594 Filter pulse-down cartridge cleaning mechanism
03/26/1991CA1282014C Uniform minimum-permeability woven fabric, filter and process therefor
03/21/1991WO1991003306A1 Filter pulse-down cartridge cleaning mechanism
03/19/1991US5000770 Shaft having a moving bed of pourable material
03/19/1991US5000767 Dust collector with pneumatic seal
03/13/1991EP0416711A1 Abrasive blasting apparatus
03/13/1991EP0416068A1 Laminated filters
03/13/1991EP0415954A1 Strips of filter material with moulded corrugations and filter bodies made of this material
03/12/1991US4999038 Filter unit
03/12/1991US4999032 Reducing atmospheric pollution by automatic processing of leaking filter bags in a baghouse network
03/07/1991WO1991003689A1 Filtering unit for cleaning supply air
03/07/1991CA2066402A1 Filtering unit for cleaning supply air
03/06/1991CN2072430U Folding filter material-changing air filter
03/06/1991CN2072429U High-efficient reverse blowing dust remover
03/05/1991US4997466 Air filter attachment for compressor
03/05/1991US4996910 Sterile air trolley
03/05/1991CA1280870C Modular frame arrangement for clean room ceilings suspendable from the ceiling of a room for receiving filters having a fluid seal
03/01/1991CA2024356A1 Filter pulse-down cartridge cleaning mechanism
02/1991
02/28/1991DE3930765C1 Tubular gas filter - has several chambers contg. filter elements in housing, with dust collection bunker under each chamber
02/27/1991EP0413946A1 Method and device for cleaning of workstations in a spinning machine
02/27/1991CN2071981U Air filter with ultraporous medium
02/27/1991CN2071980U Stand type air filter
02/27/1991CN2071979U High-temp resistant type air filter
02/26/1991US4995974 For purification of water and contaminants from aviation fuels and natural gases
02/26/1991CA1280666C Backflushed air filters with quick opening multiple discharge valve
02/26/1991CA1280621C Filter assembly for a coal mill monitoring system
02/21/1991DE3940412A1 Schuettgutreaktor Schuettgutreaktor
02/20/1991WO1991002586A1 Bulk materials reactor
02/20/1991EP0240500B1 Separator assembly
02/20/1991CA2039146A1 Bulk materials reactor
02/14/1991DE3926497A1 Fine dust filter band collecting cyclone air - forms internal chamber from which collected dust is blown and sucked
02/13/1991CN2071079U Centrifugal rotation dust filter
02/13/1991CN1011613B Coupling for pressure or vacuum fluid system
02/06/1991EP0411421A1 Process for the production of a filter and filter produced thereby
02/06/1991EP0411240A1 Filter element for air filter used in high dust concentration
02/06/1991CN1011482B Flat element for filtering and separation
02/06/1991CN1011479B Gas filter system
02/05/1991US4989636 Coupling for pressure of vacuum fluid system
02/03/1991CA2021723A1 Process for the manufacture of a filter and the filter then manufactured
01/1991
01/30/1991EP0410200A1 Porous body for the treatment of gases and/or vapours and/or liquids and process for the production thereof
01/30/1991EP0270550B1 Device for cleaning filter bags
01/29/1991US4988372 Purification by filtration gases through hollow filters, aerosols
01/24/1991DE4021977A1 Gas filter element
01/24/1991DE3923038A1 Tiltable support - projecting above suspended dust filter bag and permits adjustment to fully vertical alignment
01/23/1991EP0394403A4 Vacuum cleaner filter bag assembly
01/17/1991DE3923322A1 Solids for uniform treatment with rising gas - descend in parallel internal compartments with overflow from decreasing heights
01/17/1991DE3922910A1 Exhaust gas cleaning unit esp. for diesel engines - has filter tubes of catalytic porous sintered metal
01/17/1991DE3922909A1 Monolithic body esp. for diesel exhaust gas treatment - consists of porous sintered metal contg. catalyst
01/17/1991DE3921013A1 Monitoring air filter operation - by closable linkage to pressure meter from both sides of filter
1 ... 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 ... 422