| Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125) |
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| 02/16/1989 | DE3726072A1 Soldering method |
| 02/16/1989 | DE3725995A1 Flushing gas filter |
| 02/15/1989 | CN1031028A Filter consisted of refrigeratory dry materials and process for their proparation and their use, in particalar medicine |
| 02/14/1989 | CA1249914A1 Device for continuous contacting of fluids and solids |
| 02/09/1989 | WO1989000882A1 Mist eliminator module and a method for self-cleaning of the same |
| 02/09/1989 | DE3814988A1 Filter for eliminating microparticles and microbial constituents of air and process for the production thereof |
| 02/09/1989 | DE3724806A1 Process and apparatus for separating off aerosols |
| 02/07/1989 | US4802983 Hopper loading directly insertable horizontally mounted cylindrical segmented bore pleated filter system for rotary broom sweepers |
| 02/01/1989 | EP0301180A1 Pressure filtration device |
| 02/01/1989 | CN2031709U High-efficiency diaphragmless air filter |
| 02/01/1989 | CN2031708U Active dust-trapping type air return filter |
| 01/31/1989 | USRE32851 Fluid filter |
| 01/31/1989 | US4801382 Filter means with a segmental construction |
| 01/31/1989 | US4801317 High efficiency particulate air filter and separators |
| 01/31/1989 | US4801316 Molded fiberglass air return filter grille |
| 01/31/1989 | US4801313 Gas purification apparatus |
| 01/31/1989 | US4801312 Laminar air flow hazardous materials abatement method and system |
| 01/31/1989 | CA1249508A1 Impeller for gas treatment |
| 01/26/1989 | DE3723887A1 Gripping device for filter elements of stainless steel fibre packages |
| 01/25/1989 | EP0300182A1 Tubular filter element with a supporting tube externally coated with filtering material |
| 01/25/1989 | EP0300154A1 Clamping device for filter elements of stainless steel fiber packages resp. mats |
| 01/25/1989 | CN2031307U High-efficient static electricity fibre filter |
| 01/24/1989 | US4799943 Gas stream diffusing and distribution apparatus |
| 01/19/1989 | DE3722826A1 Filter housing for gas turbines and industrial dedusters composed of a universally usable module frame system with horizontally arranged filter cartridges and vertically downwards flowing intake air stream for reinforcing the cleaning effect and for the discharge of dust particles removed by pulses |
| 01/18/1989 | EP0299898A2 Process and device for automatically cleaning air filter bags |
| 01/18/1989 | CN2030899U Air filter for removing bacteria |
| 01/17/1989 | US4798676 For human pulmonary function testing apparatus |
| 01/17/1989 | US4798575 Method and apparatus for the manufacture of filters |
| 01/17/1989 | CA1248808A1 Air ventilation and filtration apparatus |
| 01/17/1989 | CA1248715A1 Dust bag mount arrangement for canister vacuum cleaner |
| 01/11/1989 | EP0298864A1 Filter comprising a material obtained by freeze-drying, preparation process and use, particularly in galenics |
| 01/11/1989 | EP0298468A1 System for monitoring the quality of a filter |
| 01/11/1989 | CN2030501U Electric pusher device for fluidizing granular-layer dust-remover |
| 01/10/1989 | US4797175 Method for making solid element fluid filter for removing small particles from fluids |
| 01/10/1989 | US4797072 Portable electric blower |
| 01/10/1989 | US4797038 Powder recovery method and device |
| 01/05/1989 | DE3830157A1 Cross-flow filter module for treating liquids and gases |
| 01/05/1989 | DE3720045A1 Filter for the purification of a gaseous medium |
| 01/03/1989 | US4795481 Air filter with high dust-holding capacity |
| 12/29/1988 | DE3720124A1 Bag filter cleaning apparatus |
| 12/29/1988 | DE3719944A1 Filter |
| 12/28/1988 | EP0296753A2 Gas stream diffusing and distribution apparatus |
| 12/28/1988 | EP0296314A2 Self cleaning filter for gases with preliminary separator for dust |
| 12/28/1988 | EP0296278A1 Dust filter for mines |
| 12/28/1988 | EP0296223A1 Nested, recirculating-fiber filter. |
| 12/27/1988 | US4793838 Air cleaners |
| 12/27/1988 | US4793836 Remote control for an air filtration system |
| 12/22/1988 | DE3717644A1 Filter |
| 12/22/1988 | DE3717643A1 Process and device for producing filters |
| 12/21/1988 | EP0295455A2 Portable electric blower |
| 12/21/1988 | EP0295343A1 Method for producing ceramic honeycomb structural body |
| 12/21/1988 | CN88212278U Vacuum dust catcher |
| 12/20/1988 | US4792344 Air filtering method and apparatus |
| 12/20/1988 | US4791785 Removal of particulate material from a gas |
| 12/20/1988 | CA1247017A1 Tensioning device for bag filters |
| 12/15/1988 | WO1988009694A1 In-line compressed air carbon monoxide filter |
| 12/14/1988 | EP0295213A1 Fluidised bed having a waste gas filter |
| 12/14/1988 | CN88201598U Dust cleaner with two layer round bag |
| 12/14/1988 | CN88200279U Fine gas filter with kern hole film |
| 12/13/1988 | US4790934 Apparatus for filtering fluid medium |
| 12/13/1988 | US4790863 Thin, lightweight fan module, quiet operation |
| 12/13/1988 | US4790862 Joint operation of gas sensor and ultraviolet ray detector |
| 12/13/1988 | CA1246323A1 Method and system for purifying gaseous streams |
| 12/08/1988 | DE3815907A1 Filter zur filterung der in den innenraum eines kraftfahrzeuges eingefuehrten luft Filter for filtering in the interior of a motor vehicle is supplied air |
| 12/06/1988 | US4789387 Dust collector |
| 12/06/1988 | US4788825 Oil separator |
| 12/06/1988 | US4788819 Apparatus for removing soot from the exhaust gases of an internal combustion engine, in particular a diesel engine |
| 12/06/1988 | CA1245991A1 Filter unit |
| 12/01/1988 | DE3715615A1 Guiding apparatus for free-flowing bulk material |
| 11/29/1988 | US4787925 Gas filter canister housing assembly |
| 11/29/1988 | US4787923 Pleated media and frame connected to vibrator for resilient isolation from support housing |
| 11/29/1988 | US4787922 Filter apparatus |
| 11/29/1988 | US4787920 Scrubber filter |
| 11/29/1988 | CA1245570A1 High efficiency particulate air filter and method of fabricating same |
| 11/24/1988 | DE3810771A1 Filter, in particular bag filter having pressure-relief orifices sealed by bursting discs |
| 11/24/1988 | DE3716049A1 Device for monitoring air filters having filter mats |
| 11/24/1988 | DE3715174A1 Process for the regeneration of soot-coated surfaces and filters of ceramic or mineral materials or coatings |
| 11/23/1988 | CN88201291U Grooved sealing frame filter |
| 11/22/1988 | US4786298 For removing contaminants from gas flow; filter element inside fluid tight walls |
| 11/22/1988 | US4786297 Gas supply and distribution system |
| 11/22/1988 | US4786295 Filtration device for airborne contaminants |
| 11/22/1988 | US4786293 Smart controller for reverse pulse air filter |
| 11/17/1988 | WO1988008741A1 Method and apparatus for treating process gases |
| 11/17/1988 | EP0291399A1 Expander for pure gases |
| 11/17/1988 | EP0291072A2 Filter arrangement for keeping ventilated aircraft interiors clean |
| 11/17/1988 | EP0290931A2 Method and device for the purification of desiccation exhaust gas from drying of wood chips, wood fibers, etc. |
| 11/17/1988 | EP0290870A1 Device for the controlled discharge of plane-parallel layers of free-flowing bulk material from the bottom of a packed bed in a circular cylindrical container and use in a moving bed filter |
| 11/17/1988 | DE3715213A1 Clean-room ceiling system |
| 11/16/1988 | CN88102617A Method and apparatus for treating process gases |
| 11/16/1988 | CN88102183A Flat element for filtering and separation |
| 11/15/1988 | US4784675 Cabinet controller |
| 11/15/1988 | US4784674 Blades of fiber reinforced polymers |
| 11/15/1988 | CA1244779A1 Gas filter canister housing assembly |
| 11/15/1988 | CA1244684A1 Fastening assembly having a novel wing nut construction |
| 11/09/1988 | EP0289989A2 Method and device for testing filters |
| 11/09/1988 | EP0289874A1 Device for extracting and filtering air charged with dust and or dispersed fibres at spinning machines |
| 11/09/1988 | EP0289741A2 Method and device of the discharge of fine grained and hot solids |
| 11/09/1988 | EP0289710A1 Filter bag arrangement in electric vacuum cleaners |
| 11/09/1988 | EP0289709A1 Electric vacuum cleaner |
| 11/08/1988 | US4783207 For carburetor or internal combustion engine |