Patents
Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125)
02/1990
02/21/1990EP0355010A1 Filter cartridge
02/21/1990EP0354952A1 Shaft with a moving bed of pourable material.
02/20/1990US4902319 Gas filter
02/20/1990US4902315 Negative pressure asbestos removal with localized make-up air
02/20/1990US4902314 Ceramic honeycomb
02/20/1990US4902173 System and filter for preventing contamination of particulate material in railroad car during transportation and unloading
02/15/1990DE3827160A1 Bag filter
02/14/1990EP0354721A2 Porous ceramic honeycomb filter and method of producing the same
02/14/1990EP0354667A2 Apparatus for cleaning cartridge filters in a powder spray system
02/13/1990US4900506 High-temperature reactor
02/13/1990US4900342 Blower-filter assembly
02/08/1990WO1990000927A1 Filter element
02/08/1990DE3826477A1 Filter apparatus
02/08/1990DE3826475A1 Filter apparatus
02/08/1990DE3818972A1 Filter insert for a solids filter
02/07/1990EP0353903A1 Method for gas-liquid separation and filtration
02/07/1990EP0353679A1 Filtering device
02/07/1990EP0353312A2 Supporting basket for filter hoses
02/07/1990EP0353261A1 Conveying apparatus and separation apparatus
02/06/1990US4898602 Selectively openable filtering assembly
02/06/1990CA1265454A1 Air filter system with supporting and sealing grid
01/1990
01/31/1990EP0353056A2 Honeycomb structure and method of producing the same
01/31/1990EP0352684A1 Module for cilyndrical rigid membrane elements for separation, for filtration or catalytical transformation
01/30/1990US4897097 Air cleaner for internal combustion engine
01/30/1990US4897096 System for the regeneration of a particulate filter trap
01/30/1990US4897094 In-line filter assembly for compressed air
01/24/1990EP0352188A1 Support frame for filter elements
01/24/1990EP0351850A1 Filter element
01/24/1990EP0351665A1 Device for receiving granular bulk material traversed by a gas stream
01/24/1990EP0351552A1 Device for the separation of impurities from gases
01/23/1990US4895581 Two stage air filtration system
01/23/1990CA1264681A1 Automated production of canisters
01/18/1990DE3900476A1 Filter device
01/17/1990EP0350853A1 Process and device for filtering gaseous or liquid dispersions
01/16/1990US4894160 Honeycomb structure for fluid filtration
01/16/1990US4894074 Filter for cleaning exhaust gases of diesel engines
01/16/1990US4894071 Portable air cleaner
01/16/1990US4894070 Filtration of fluid media
01/16/1990CA1264444A1 Multiple filter unit, particularly for ventilation and air conditioning systems for motor vehicles and closed environments, and provided with efficiency checking means
01/10/1990EP0350338A2 Filter element and method of manufacture therefore
01/10/1990EP0350229A1 Support frame for filter elements
01/10/1990EP0350192A1 Filter element
01/10/1990CN1006363B Dedusting equipment
12/1989
12/28/1989WO1989012494A1 Device for mounting, in particular filter cells into slotted ceilings
12/27/1989EP0348013A1 Device for the installation of filter panels in ceiling grids
12/27/1989EP0348011A2 Ceiling mounted air cleaner
12/27/1989EP0347628A1 Filter medium for airborne particles, manufacturing process thereof and filtering arrangement provided therewith
12/27/1989EP0237824B1 Process and device for the regeneration of particle filter systems
12/26/1989US4889630 Self-supporting composite
12/26/1989US4889543 Air filtering system
12/26/1989US4889542 Polymeric foam panel attached to air intake opening of housing; preventing dust and dirt accumulation
12/26/1989US4888884 Method and plant for cleaning dryer exhaust gases during the drying of wood chips, wood fiber of the like
12/21/1989DE3913085A1 Cleaning apparatus for an air filter insert
12/21/1989DE3820204A1 Device for the filtered supply and removal of liquid to or from a container, especially a bottle
12/20/1989EP0347188A2 A filter arrangement
12/20/1989CN1038035A Powder recovery device for powder coating systems or such-like
12/20/1989CN1038030A Filter for separation of solid from hot gas or liquid
12/19/1989US4887426 Process and device for operating an exhaust gas burner
12/14/1989DE3831891C1 Dust filter having cassette-type filter elements
12/13/1989EP0346301A1 A filter for the separation of oily fumes
12/13/1989EP0345520A1 Apparatus for cleaning gases, especially smoke, using a layer of bulk material.
12/13/1989EP0345491A2 Filter for the separation of solids from heat gaseous or liquid media
12/13/1989CN1037845A Shaft with moving bed of loose materials
12/12/1989US4886533 Gas filter
12/12/1989US4886532 Apparatus for removing and filtering dirty air from equipment
12/05/1989US4885015 HEPA air filter for high temperature environments and method of fabrication
12/05/1989US4885014 Apparatus for filtering gases
12/05/1989US4885013 Arrangement of filter bags in electric vacuum cleaners
12/05/1989US4885009 Rotation, tumbling, gravity remove accumulated dust from fibrous gas cleaner
12/05/1989CA1263612A1 Fiber bed separator
11/1989
11/30/1989DE3820826C1 Apparatus for receiving flowable bulk material through which flows a gas stream
11/30/1989DE3817685A1 Apparatus for receiving free-flowing bulk material through which a gas flow flows
11/30/1989DE3817503A1 Process and device for the functional monitoring of filter plants
11/29/1989EP0343445A1 Filter unit with a filter holder and filter element
11/28/1989US4883512 Portable isolation enclosure
11/28/1989US4883511 Laminar flow multiplane matrix ceiling system
11/28/1989US4883510 Gas inlet construction for fabric filter dust collections
11/28/1989US4883509 Multi stage gas inlet construction for dust collectors
11/28/1989US4883507 Matrix for a drug, filter for gases
11/28/1989CA1263320A1 Filter means with a segmental construction
11/23/1989EP0343061A1 Circular filter with filter cartridge
11/23/1989DE3914225A1 Filter insert for dedusting units
11/23/1989DE3816077A1 Method and apparatus for cleaning a dust filter
11/21/1989US4882056 Cartridges
11/21/1989US4881957 Air filtration units and methods employing dust as filtration media and air flow rate as a directly controlled parameter
11/21/1989US4881952 Method and apparatus for disposing dust produced during amorphous silicon film-forming process
11/21/1989CA1263089A1 Filter cartridge
11/16/1989WO1989010781A1 Strips of filter material with moulded corrugations and filter bodies made of this material
11/15/1989EP0341451A1 Filter device for waste gas stream at the gas phase deposition in semiconductor technic
11/14/1989US4881176 Filter analyzing system
11/14/1989US4880608 Contactor/filter improvements
11/14/1989US4880530 Self-cleaning screening device
11/08/1989EP0341196A2 Moving bed reactor having a large surface crossflow
11/08/1989EP0341192A1 Filter web with formed crimps and filter body using this material
11/08/1989EP0340220A1 Process for the production of filters, and a filter produced by the process
11/08/1989EP0270531B1 Moving bed reactor
11/07/1989US4878930 For gas filter
11/07/1989US4878929 Liquid-gas separator
11/07/1989US4878927 Filtering separator for particles and harmful gases from unrefined gases
11/07/1989US4878926 Dust collector