Patents
Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125)
02/1998
02/03/1998US5713972 Particulate matter filtration system
02/03/1998CA2066970C Dust collector with re-entrainment prevention walls
01/1998
01/31/1998CA2210950A1 Air filter element; assembly; and method
01/28/1998EP0821145A1 A particulate trap for a diesel engine
01/28/1998EP0820853A2 Filter assembly and method for making it
01/28/1998EP0820340A1 Multiple filter unit
01/28/1998EP0820339A1 Modular air-cleaning system
01/27/1998US5711876 Apparatus for removing bubbles in filter housing of coating equipment
01/27/1998US5711788 Dust neutralizing and floculating system
01/27/1998US5711785 Method and apparatus for controlling the cleaning cycle of air filter elements and for predicting the useful life thereof
01/27/1998US5711775 Sweeper with electromagnetic filter cleaning
01/22/1998WO1998002232A1 Filter arrangement including removable filter with first and second media secured together
01/22/1998WO1998002231A1 Filter material
01/22/1998WO1998002229A1 Cleanable filter media and filter elements
01/22/1998WO1998002228A1 Particle filter in the form of a pleated nonwoven layer
01/22/1998DE19730335A1 Filter for removing particulates from diesel engine exhaust gases
01/22/1998DE19615290A1 Breathing gas filtration device for medical apparatus
01/22/1998CA2259199A1 Filter arrangement including removable filter with first and second media secured together
01/21/1998EP0819460A1 Air filter
01/21/1998EP0819369A1 Filtering device with a filter housing, a filter mat and a lamella grid
01/21/1998EP0669847B1 Filter element and method for the manufacture thereof
01/21/1998EP0612390B1 Connections for valves
01/20/1998US5709735 High stiffness nonwoven filter medium
01/20/1998US5709722 Particulate trap for diesel engine
01/20/1998US5709721 Air handling apparatus for textile machines
01/20/1998US5709038 Automated air filtration and drying system for waterborne paint and industrial coatings
01/15/1998WO1998001212A1 Repeatedly usable filter frame and filter for fluid using the same
01/15/1998WO1998001211A1 Apparatus and method for purifying gas and annular filter thereof
01/15/1998WO1998001210A1 Ring-shaped air distribution disc and an air distribution device having such an air distribution disc
01/15/1998WO1998001209A1 Fibrous filter with pressurised air cleaning system for cleaning of dust-laden gases
01/15/1998DE19726774A1 Fastener for filter elements and de-dusting nozzle tubes
01/15/1998DE19628184A1 Partikelfilter in Form eines plissierten schichtförmigen Vliesmaterials Particulate filter in the form of a pleated layered nonwoven material
01/15/1998DE19627514A1 Gewebefilter mit Druckluftabreinigung zur Reinigung von staubhaltigen Gasen Fabric filter with compressed air cleaning for cleaning dusty gases
01/14/1998EP0817905A1 Precipitator for diesel or petrol engine exhaust combustion, and related method
01/14/1998EP0817669A1 Air cleaning system for mechanical industrial processes
01/14/1998EP0787033A4 Pressure-actuated radial air filter seal
01/14/1998EP0682556B1 Filter for filtering gases charged with particles
01/13/1998US5707521 Filter element having a nonwoven layer and a permeable shrink tube
01/13/1998US5707411 Frameless monolayer air register filter
01/13/1998US5706777 Suction air filter for a combustion engine with diaphragm carburetor
01/08/1998WO1998000001A2 Gas filter and method for cleaning the same
01/08/1998DE19624176A1 Filter plate for filtering liquids or gases comprising ceramic laminate
01/07/1998EP0815919A2 Filter unit
01/07/1998EP0815918A2 Filter casing for an exchangeable plate type filter element
01/07/1998EP0814892A1 Self-cleaning filter for pneumatic circuits
01/07/1998EP0814891A1 Air de-oiling element
01/07/1998EP0814890A1 Gas filter unit
01/07/1998CN1169684A Filter element
01/06/1998US5704992 Solar cell and method for manufacturing a solar cell
01/06/1998US5704956 Filter cleaning system for an ash vacuum
01/06/1998US5704955 Air filtration system for vented exhaust system
01/06/1998US5704953 Forced air system air filter
01/02/1998DE19626276A1 Cleaning apparatus for filter elements, especially filter cartridges
01/02/1998DE19625421A1 Air fan for suction of dust and waste
01/02/1998DE19624523A1 Filter Filter
12/1997
12/31/1997WO1997043030A3 Method and apparatus for remediation of toxic flue gases
12/31/1997CN1169120A Air purifying device
12/30/1997US5702516 Filtration of air
12/30/1997US5702506 Method and device for aerosol size-selective sampling
12/30/1997US5702494 Airbag filter assembly and method of assembly thereof
12/30/1997US5702493 Welding fume funnel with magnetic coupling means
12/30/1997CA2018282C Method of operation of air cleaner
12/29/1997EP0813898A1 Vent filter assembly
12/29/1997EP0813897A2 Dust removing apparatus and dust removing method
12/29/1997EP0813444A1 A filter frame
12/24/1997WO1997048474A1 Apparatus and method for continuously purifying gas with continuously cleaning filter, and package-type filter
12/24/1997WO1997048470A2 Filter
12/24/1997CA2259173A1 Filter
12/23/1997US5700973 Gas inflator having aluminum bead filter
12/23/1997US5700310 Removal of oil from compressed gas with macroporous polymeric adsorbent
12/23/1997US5700304 Filter with protective shield
12/18/1997WO1997047928A2 Air treatment system
12/18/1997WO1997047371A1 Filter housing with irregular rib
12/18/1997WO1997047228A1 Vacuum cleaner system
12/18/1997DE19631001C1 Condenser for portable flue gas analysis instrument employs Peltier effect cooling
12/18/1997DE19623326A1 Support cage for filter hose
12/18/1997DE19623190A1 Filtergehäuse mit ungleichförmiger Rippe Filter housing with non-uniform rib
12/18/1997DE19615209C1 Vacuum cleaner bag
12/18/1997CA2471472A1 Air treatment system
12/18/1997CA2471150A1 Air treatment system
12/17/1997EP0812613A2 Method and apparatus for handling high pressure material
12/17/1997EP0812612A2 Bin with a cartridge filter and a safity cage
12/17/1997EP0812610A2 Fluid filter element and method of manufacture
12/17/1997CN2270550Y Filter barrel type dust collector
12/16/1997US5697602 Container for a refrigerant system filter
12/11/1997WO1997046302A1 Exhaust gas purification apparatus
12/11/1997CA2257102A1 Exhaust gas purification apparatus
12/10/1997CN2269893Y Filtering element
12/10/1997CN1167449A Nonparticulating adsorbent recirculating filter
12/09/1997US5695536 Apparatus for the positioning and the movement of the filtering ceiling of spray paint booths
12/09/1997US5695535 Pocket filter
12/09/1997US5695534 Air filtration installation with recycling of filtered air
12/09/1997CA2014297C Filtering cartridge, obtained by wet process, for the filtration of gases, particularly hot and/or radio-active and/or corrosive gases
12/04/1997WO1997045189A1 Air filtration device
12/04/1997WO1997004852A3 Hybrid filter system and method for filtering process fluid
12/04/1997DE19621860A1 Concertina type dust filter element
12/03/1997EP0810352A1 Purifier device for a bleed circuit of an endothermal engine block and a bleed circuit provided with this device
12/03/1997EP0810023A1 Blower
12/03/1997EP0810021A1 Layered filter media
12/03/1997EP0810020A2 Edge filter with wound wire