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)
09/1991
09/17/1991US5049326 Filter element and manufacture method thereof
09/17/1991US5049172 Blow out resistant filter
09/17/1991US5049170 Filter assembly for gas analyzer
09/17/1991CA1289224C Control system for air cleaner
09/11/1991EP0445996A1 Improvements in air purification systems
09/11/1991CN1013876B Process and device for separation of synthesis gas 1 fly-ash mixture
09/04/1991CN2083952U Composite duster
09/03/1991US5045098 Bag separator
09/03/1991US5045094 Separators
09/03/1991US5044316 Ventilated animal caging system with cage racks and filter covers including valves operable by rack
08/1991
08/28/1991WO1991012762A1 Vacuum cleaning device
08/28/1991EP0443943A1 Reinforced filtering hose
08/28/1991CN1013641B Method and apparatus for treating process gases
08/28/1991CA2053896A1 Device for suction cleaning
08/27/1991US5043000 Air cleaner element and method of manufacturing the same
08/27/1991US5042997 Air control system providing healthful enclosed environment
08/27/1991CA1288063C Separator assembly
08/27/1991CA1288022C Continuous flow steam condensate removal device
08/22/1991WO1991012069A1 Process and device for treating fluids by means of a pourable solid by the counterflow method
08/22/1991DE4004911A1 Appts. for cleaning rising combustion fumes - comprises descending solids bed has operation interrupted during extn. for replacement of used solids
08/21/1991EP0441794A1 Filter assembly and cartridge therefor.
08/21/1991EP0181366B1 Improvements in and relating to filters
08/21/1991CN2083066U Pulse dust-removing group-control instrument
08/21/1991CN2083065U 自清式空气过滤器 Self-cleaning air filter
08/20/1991US5041146 Filter apparatus
08/14/1991EP0441512A2 Oil- absorbent polymer and use therefor
08/14/1991EP0441045A2 Cartridge-type filter
08/14/1991EP0440656A1 Filter element
08/14/1991DE4004343A1 Air filter frame - for rapid assembly of V=shaped filter inserts
08/13/1991US5039413 Spiral wrapped fluid treatment element
08/13/1991US5039323 Air cleaner
08/13/1991US5039322 Apparatus for extracting hot gas samples from a reaction vessel
08/09/1991WO1991012068A1 Filter insert
08/08/1991WO1991011267A1 Arrangement for affecting the motions of particles at a movable device
08/08/1991WO1991011246A1 Air purifier
08/07/1991EP0440352A2 Cylindrical filters and their manufacture
08/07/1991EP0439667A1 Ventilator filter for mounting in the wall of a switchgear cabinet or the like
08/07/1991EP0439599A1 Bulk materials reactor.
08/07/1991EP0439532A1 Device for the parallel filtration of a plurality of samples with automatic control of filtered volumes and of clogging as well as with filter indexing, and filtration method.
08/07/1991EP0252161B1 Device for purification, particularly filtration, of a fluid or gaseous medium
08/07/1991EP0250602B1 Device for filtration of a fluid or gaseous medium
08/06/1991US5037461 Filtration apparatus
08/06/1991US5037460 Disposable air filter
08/06/1991US5037455 Air filter
08/06/1991US5037454 Upflow direct impingement coalescer; gas purification
08/06/1991US5036698 Method and apparatus for predicting life of air filter cartridges
08/01/1991DE4002649A1 Blank ceramic honeycomb body - has spikes to distort webs to seal separate channels before the body is fired
08/01/1991DE4002462A1 Waste gas filtering and cleaning - by passage at controlled velocity through moving filter and sorbent bed
07/1991
07/31/1991EP0439352A2 Method for producing a filter element
07/31/1991EP0438639A1 Production method of a corrugated filter element made of fibre fleece
07/31/1991EP0177521B1 Filter element for separating solid material particles from gas or liquid media
07/25/1991WO1991010611A1 Improvements relating to conveying and separation apparatus
07/25/1991CA2074191A1 Conveying and separation apparatus
07/24/1991EP0438076A2 Air distributing arrangement for vehicle cabins
07/23/1991US5034035 Device for preparing bulk material with a dust removal arrangement
07/23/1991US5034032 Air cleaner and air filter
07/23/1991US5034030 Injection of ammonia and sulfur dioxide in a stack
07/18/1991DE4101144A1 Centrifugal force and filtration of eccentric filter fabric - separates dust from contaminated gas
07/18/1991DE4001148A1 Feeding external air into tractor cabin via conduits - incorporating filter elements readily accessible from exterior
07/18/1991CA2034269A1 Ventilating arrangement for the cab of a vehicle
07/17/1991EP0436942A2 Device for removing hydrogen from hydrogen, oxygen and aerosol containing gaseous mixture
07/16/1991US5032272 Filter frame with a dual channel guide strip
07/16/1991US5032269 Hollow fiber module
07/16/1991US5032153 Process for filtering air and cyclone filter with filter cartridge for implementing the process
07/16/1991US5032143 Purification
07/11/1991WO1991009662A1 A method and an arrangement for introducing gas into a particle filter
07/11/1991DE4003833A1 Catalytic hydrogen gas absorption unit for nuclear reactors - has filter enclosure to protect catalytic coating from aerosol fat and steam pollution before working temp. is reached
07/09/1991US5030264 Air intake filter for an internal combustion engine
07/09/1991US5030263 Impregnated with heat curable phenolic resin
07/09/1991US5030262 Air vapor trap and drain therefore
07/09/1991US5030261 Two stage transition input section for dust collectors
07/03/1991EP0435777A1 Cartridge device for gas filtration
07/03/1991EP0435545A1 Improvements in and relating to removable filter units
07/03/1991CN1052605A Filter comprising material obtained by freeze drying, method of preparation and use especially in pharmacy threof
07/03/1991CN1013026B Filter with boiler-shaped filtering elements
07/02/1991US5028331 Filter cartridge
07/02/1991US5028298 Waste water concentrator and waste water disposal plant
06/1991
06/30/1991CA2033395A1 Cartridge device for gas filtration
06/26/1991EP0433637A1 Device for removing dust from a gas
06/26/1991EP0433582A1 Preparation of ceramic honeycomb structure having selectively sealed channels
06/20/1991DE3941901A1 Aiding loose particle descent against rising gas - in reactor by mechanical vibrators or air jets between angled support floor projections
06/20/1991DE3941321A1 Filter arrangement - for dust removal from gases
06/19/1991CN2079080U Air return dust filter for loom workshop
06/19/1991CN1052258A Filter type ceramal dust removing device
06/16/1991CA2031820A1 Device for preparing bulk material with a dust removal arrangement
06/13/1991WO1991009215A1 Self cleaning screen
06/13/1991CA2045576A1 Self cleaning screen
06/11/1991US5022897 Method for hazardous waste removal and neutralization
06/06/1991DE3939645A1 Dust separator - in which clean gas space in filter chamber has access aperture and valve arrangement
06/05/1991EP0430008A1 Filter unit
06/05/1991EP0429805A2 Method and device for making pleated filter inserts
06/05/1991EP0429492A1 Filter cartridge
06/04/1991US5021831 Filter for removing smoke and toner dust used in electrophotographic/electrostatic recording apparatus
06/04/1991US5021204 Method for selectively charging honeycomb structures
05/1991
05/29/1991EP0428862A1 Device for the filtration of hot, dustladen gases
05/29/1991DE4030626A1 Verfahren zur herstellung eines halbzeugs A method for fabricating a preform
05/28/1991CA2030667A1 Process and apparatus for manufacturing a pleated filter insert
05/22/1991EP0428037A1 Filter for eliminating pollutants
05/22/1991EP0396684A4 Cross-flow filtration device and method of making
05/21/1991US5017202 Gas treating apparatus
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