Patents
Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125)
01/1991
01/16/1991EP0408519A1 Filter for use in a suction device for continous removal of textile waste from textile manufacturing machines
01/16/1991EP0408376A1 Loom cleaning apparatus
01/16/1991EP0407713A2 Process and device for separating a solid from a gas
01/15/1991US4985280 Process for hydrophobization of microbacteria retaining air filter
01/13/1991WO1991000770A1 Permeable porous body for treating gases and/or vapours and/or liquids and process for manufacturing it
01/13/1991WO1991000769A1 An apparatus and a method for separating particulate material from high-temperature gases
01/13/1991CA2036385A1 Permeable, porous body for the treatment of gases and/or vapors and/or liquids and method of producing it
01/10/1991WO1991000234A1 Material discharge unit
01/09/1991EP0407287A1 A process of flue gas conditioning applied to fabric filtration
01/09/1991EP0406561A1 Filtering device for dust and sulphurous compounds containing waste gases from glass-melting furnaces
01/09/1991EP0165940B1 Filter with integral structural framework
01/08/1991US4983193 Filter and process for the production thereof
01/08/1991CA1278721C End seal for clean room ceiling supports
01/02/1991EP0404889A1 Phase-separating element.
01/02/1991CN2068415U Cigarette smoke purifier
12/1990
12/25/1990US4979969 Heat resistant porous support
12/19/1990EP0402972A1 Process to avoid the formation of highly condensed aromatic hydrocarbons and dioxines and apparatus for achieving this process
12/18/1990US4978375 Plastic air filter housing assembly for use in air conditioners and heating systems
12/18/1990CA1277928C Hepa room air purifier
12/13/1990WO1990015239A1 Air cleaner
12/13/1990WO1990014875A1 Filtering unit
12/12/1990EP0402032A1 Vertically tiered particle filtering apparatus
12/12/1990EP0401430A1 Device for separating liquids and/or solids from a high-pressure gas stream
12/12/1990CN2067181U Diaphragmless air filter
12/11/1990US4976934 Pollution control
12/11/1990US4976857 Filter element and fabrication methodology
12/11/1990US4976759 Filter
12/11/1990US4976756 Dust collector housing with removable roof section
12/11/1990US4976677 Process for the production of filters, and a filter produced by the process
12/04/1990US4975099 Regeneratable particle filter for waste gases
12/04/1990CA1277255C Stepped plenum system
12/04/1990CA1277252C Coalescing filter
12/04/1990CA1277251C Dust separator
11/1990
11/30/1990CA2017706A1 Vertically tiered particle filtering apparatus
11/28/1990EP0399730A1 Sorbent filtration device
11/28/1990EP0399416A1 Method for removal of dust contained in a gas and for reaction of a toxic component of said gas
11/28/1990EP0399393A2 Apparatus for the removal by suction of air enriched with gaseous impurities from an area of contaminated soil
11/28/1990EP0399249A1 Device at a filter hose
11/28/1990CN1047216A Serially connected dust filter for mine ventilation
11/27/1990US4973459 Apparatus and method for removing gaseous contaminants and particulate contaminants from a hot gas stream
11/27/1990US4973458 Hollow ceramic barrier filters
11/27/1990US4973342 Device with granular bed filters for raw gas purification
11/26/1990WO1990014542A1 Arrangement for mounting a tube or member provided with a flange
11/22/1990EP0398847A2 Air filter for civil and industrial applications
11/22/1990EP0398459A1 Filter cartridge
11/22/1990EP0398091A1 Air filter with horizontal filter elements
11/22/1990DE3916544A1 Gripping multilayer air insert spanning frame in conduit - by engagement of integral wedge elements slid under insert by mobile drawer
11/21/1990CN2065944U Drying spin reverse blowing net type duster
11/20/1990US4971769 Filter device for use in heating or incineration plants
11/20/1990US4971688 Apparatus for separating at least two elements contained in a liquid or gaseous fluid by means of an absorbent filtering material
11/20/1990CA1276568C Separator for gases and liquids
11/15/1990DE3934700C1 Oval filter bag for removing dust - held in aperture by spring acting on flanges
11/15/1990DE3921473C1 Device for gas generator - comprises gas for inflating cushion for protecting vehicle passengers with two routes to gas outlet
11/15/1990DE3921472C1 Device for gas generator - in which gas for inflating cushion for protecting travellers in vehicle crash can take two routes to gas outlet
11/15/1990DE3915010A1 Cleaning gas filter, esp motorcycle air filter sponge - with biologically degradable vegetable, animal or synthetic liq.
11/14/1990EP0396684A1 Cross-flow filtration device and method of making.
11/14/1990CN1010377B Pulse jet fabric filter
11/13/1990US4969999 Cylindrical screen construction for a filter and method of producing the same
11/13/1990US4969937 Vertically tiered particle filtering apparatus
11/13/1990US4969936 Filtration apparatus
11/13/1990US4969934 Gas flow
11/08/1990DE4008399A1 Operating drying and dust removing appts.
11/07/1990CN2065094U Room air purifier
11/06/1990US4968424 Backflush filter element
11/06/1990US4968333 Apparatus for cleaning heating, ventilation, and air conditioning systems
10/1990
10/31/1990EP0394886A1 Suction apparatus
10/31/1990EP0394622A1 Process and device for filtration
10/31/1990EP0394403A1 Vacuum cleaner filter bag assembly
10/31/1990EP0269623B1 Process for separating solid and gaseous noxious materials from hot gases
10/31/1990CN2064677U Gas-liquid separator
10/25/1990DE4012998A1 Vorrichtung zum trennen von oel und luft Apparatus for separating oil and air
10/24/1990EP0393729A2 Regenerable filter in exhaust gases of an internal-combustion engine
10/24/1990EP0393374A2 Manufacturing method of filter element for dust collector
10/24/1990CA2015169A1 Oil/air separator
10/23/1990CA1275383C Panel air filter
10/18/1990WO1990011816A1 A filter arrangement for large containers
10/18/1990DE3912547A1 Rotating gas filter drum - prevents dusty gas escaping into clean gas space by downwardly directed diverted flow
10/17/1990EP0392903A1 Filter cartridge obtained by the wet process for filtering gases, in particular hot and/or radioactive and/or corrosive gases
10/16/1990US4963172 Bagger unit for a vacuum loader or the like
10/16/1990US4963171 High efficiency filter and method of fabricating same
10/16/1990US4963170 Inflow and outflow HEPA vent filter for asbestos work areas
10/10/1990EP0391659A2 Filtration system and method
10/10/1990EP0391648A2 Filter cartridge with end densification ring
10/10/1990EP0391041A2 Aerodynamic filter
10/10/1990EP0391019A1 Air inlet filter for internal combustion engines
10/10/1990CN2063440U Back-flushing rotary self-cleaning net type filter
10/10/1990CN1045928A Process for purification of waste gases emitted from melting furnace
10/09/1990US4961974 Fabrics/non-woven/, compression, powders, bonding, bulking, heat treatment, stiffness
10/09/1990US4961849 Magnetically attached filter
10/09/1990US4961764 Filtering unit and filtering equipment incorporating said unit
10/09/1990US4961762 Structurally reinforced, self-aligning panel filter apparatus with associated clamping, face sealing and backflushing structure
10/04/1990WO1990011116A1 Filter element with a star-shaped filter for a solid filter
10/04/1990DE3931033A1 Individual filter bags suspended from silo head insert - are pressed into sealing engagement by pivoting cap
10/04/1990DE3910203A1 Filter arrangement for large containers
10/03/1990CN2063046U Device for filtering and recovering powdered granules of spray paint
10/03/1990CN2063045U Table-type duster set
10/02/1990US4960449 Filters for diesel exhaust gases; pollution control
10/02/1990US4960448 High temperature gas filter
10/02/1990CA1274788A1 Process for removing solids from a gas containing the same
09/1990
09/28/1990CA2013264A1 Process for the purification of waste gases emitted from a melting furnace