| Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125) |
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| 03/30/1994 | CN2159820Y Filter without partition board |
| 03/29/1994 | US5298162 Multi-stage fluid filter |
| 03/29/1994 | US5298159 Filter-collector apparatus |
| 03/29/1994 | US5298046 Diesel particulate filter element and filter |
| 03/29/1994 | US5298045 Filter for avionic line replacement unit |
| 03/29/1994 | US5298044 Extended surface pocket type air filter |
| 03/29/1994 | US5297893 System and method for controlling emissions created by spraying liquids from moving vehicles |
| 03/24/1994 | DE4307028A1 Flow distributor for air filter for vented technical appts. - provides air distribution over largest possible area of filter face |
| 03/23/1994 | EP0588770A1 Process for filtering a medium and device for carrying out the process |
| 03/23/1994 | EP0588525A1 Filtration using ceramic filter tubes |
| 03/23/1994 | EP0587900A1 Linear gas generating agent and filter construction for gas generator |
| 03/22/1994 | US5296065 Method of forming workpieces by means of multi-sectional pressing members |
| 03/22/1994 | US5296029 Spraying booth with arrangement for affecting the motions of paint particles |
| 03/22/1994 | US5296010 Ceramic candle filter arrangements |
| 03/22/1994 | CA1327944C Gas inlet construction for fabric filter dust collectors |
| 03/17/1994 | WO1994005396A1 Conical coalescing filter |
| 03/17/1994 | DE4224172A1 Gasreinigungsvorrichtung Gas cleaning device |
| 03/16/1994 | EP0587146A2 Method and device for determination of the loading state of particle filters |
| 03/16/1994 | EP0586798A2 Device for filtering hot dust loaden gases |
| 03/15/1994 | US5294407 Expansion, crushable casing |
| 03/09/1994 | CN1083412A Air filter sealing groove |
| 03/08/1994 | CA1327534C Mist eliminator module and a method for self-cleaning of the same |
| 03/03/1994 | WO1994004248A1 Method and apparatus for separating particulate material from combustible gases |
| 03/03/1994 | WO1994004247A1 Dust filter with several filtering bags |
| 03/03/1994 | WO1994004246A1 Environmental control system filter purificator |
| 03/03/1994 | DE4229057A1 Cleaning arrangement for hose filter - through expansion of hose from garland shape to circular shape by gas injection. |
| 03/02/1994 | EP0527136B1 Method for predicting life of air filter cartridges |
| 03/02/1994 | CN1082938A Pulse self-cleaning air filter |
| 03/01/1994 | US5290456 Filter plate for removing hydrocarbons and other contaminants from solutions and gases |
| 03/01/1994 | US5290447 Block-shaped pleated filter insert |
| 03/01/1994 | US5290446 Helical wrapped filter element |
| 03/01/1994 | US5290441 Integrated collar, filter bag, cage and locking ring assembly for baghouses |
| 03/01/1994 | US5290330 HEPA filtration system |
| 03/01/1994 | US5289848 Combination noise suppressor and air filter and milking machine pressure regulator |
| 02/27/1994 | CA2076911A1 Expandable multi-ply obliquely oriented honeycomb filter media |
| 02/25/1994 | CA2086022A1 Bag tensioner device |
| 02/24/1994 | DE4227744A1 Zigzag folded filter strip material - has folds stabilised at least on one side by linearly-formed fixation means running in fold direction |
| 02/24/1994 | DE4227220A1 Dry process to filter incineration or smelting particles from smoke - uses additives, infrared detectors and extinguishing system to reduce fire risk preventing or minimising damage to filters |
| 02/23/1994 | EP0583558A2 Filter elements monitoring device |
| 02/23/1994 | CN2156926Y Large-chambered blowback cloth-bag dust-collector |
| 02/23/1994 | CN1082453A Filtration module |
| 02/22/1994 | US5288469 Surgery plume filter device |
| 02/22/1994 | US5288300 Filter with a filter cassette |
| 02/22/1994 | US5288299 Exhaust gas treating apparatus |
| 02/22/1994 | US5288298 Layer of fabric bearing porous activated carbon particulate deodorizing agents; layer of foam impregnated with biostat; no need for increased air circulation |
| 02/18/1994 | CA2076228A1 Return air filter |
| 02/17/1994 | WO1994003712A2 Method and apparatus for filtering engine exhaust |
| 02/17/1994 | WO1994003260A1 Filter for filtering gases charged with particles |
| 02/17/1994 | WO1994003258A1 Filtering apparatus |
| 02/17/1994 | DE4226852A1 Vacuum cleaner - has dust chamber with lid, inside which is filter tray with slide handle protruding from beneath lid. |
| 02/17/1994 | CA2141426A1 Method and apparatus for filtering engine exhaust |
| 02/15/1994 | US5286984 Conductivity modulated MOSFET |
| 02/09/1994 | EP0582286A1 Corrugated non-woven webs of polymeric microfiber |
| 02/09/1994 | EP0582066A1 Process for monitoring filter elements |
| 02/09/1994 | EP0582010A2 Air cleaning screen |
| 02/09/1994 | CN2155267Y Pulse bag dust precipitator |
| 02/08/1994 | US5284997 Two step filter and process |
| 02/08/1994 | US5284586 Fluid flow filter and method of making same |
| 02/08/1994 | US5284498 Cylindrical filters in a tube sheet for cleaning high temperature gases |
| 02/08/1994 | US5283959 System for drying moist sludge |
| 02/05/1994 | CA2101192A1 Corrugated nonwoven webs of polymeric microfiber |
| 02/03/1994 | WO1994002720A1 Gas cleaning device with a filter |
| 02/03/1994 | WO1994002192A1 Hygroscopic cartridge particularly for filters for medical use |
| 02/03/1994 | DE4224721A1 Condition of automotive filters monitored in situ by differential pressure switch - precluding unnecessary filter changes and lowering operating costs |
| 02/02/1994 | EP0581735A1 Support frame for the incorporation of filter bags in air filtration devices |
| 02/02/1994 | EP0581695A1 Filter assembly including filter unit having deformable sealing end caps |
| 02/01/1994 | US5282877 Filtration device |
| 01/27/1994 | DE4323453A1 Removing dust-laden hot gas samples continually from process vessel - using probe kept free of baked deposits by laser beam and pump suction |
| 01/27/1994 | DE4241586C1 Luftfilter Air Filter |
| 01/27/1994 | DE4241278A1 Sieve-type floor or intermediate floor - comprising individual floor plates fitted on base surface via legs as distance holders |
| 01/27/1994 | DE4224611A1 Mining machine gearbox housing breather filter - has sintered piston to provide warning of blockage or pending failure |
| 01/27/1994 | DE4223842A1 Reversed flow cleaning of dust filters for gases - esp. air-conditioning system filters with increase in useful life |
| 01/26/1994 | EP0580005A2 Process and separation system for eliminating particles from process gases of chemical or petrochemical plants |
| 01/26/1994 | EP0579803A1 Regenerable diesel exhaust filter |
| 01/26/1994 | EP0579774A1 High temperature ceramic particulate filter |
| 01/25/1994 | US5281246 Air cleaner assembly |
| 01/25/1994 | CA1326346C Baghouse bag design for simultaneous particulate capture and chemical reaction |
| 01/25/1994 | CA1326332C Dust collector |
| 01/20/1994 | WO1994001200A1 Filter device for the filtration of fluids |
| 01/20/1994 | WO1994001195A1 Flexible-walled adsorber |
| 01/20/1994 | DE4321659A1 Air cleaner with combined air humidifier junction |
| 01/19/1994 | CN2153407Y Gas filter for pipeline |
| 01/18/1994 | US5279731 Depth filter media |
| 01/18/1994 | US5279632 Planar clean room ceiling structure |
| 01/18/1994 | US5279629 Air handling apparatus and method for textile machines |
| 01/13/1994 | DE4217544C1 Holding plate for vacuum cleaner bag - is a one=piece folded section to give two layers with a rotating closure slide |
| 01/12/1994 | CN1080561A 空气净化机 Air Purifier |
| 01/12/1994 | CN1080559A Screen fixed inner suction type dust filter |
| 01/11/1994 | US5278112 Chemically impregnated zeolite and method for chemically impregnating and coating zeolite |
| 01/11/1994 | US5277828 Cleaning, sterilization |
| 01/11/1994 | US5277704 Mist collector |
| 01/11/1994 | US5277157 Mounting arrangement for an air cleaner |
| 01/09/1994 | CA2100006A1 Air filter sealing groove |
| 01/05/1994 | EP0577315A2 An air filter having a low internal pressure drop |
| 01/05/1994 | EP0576783A1 Liquid separator |
| 01/05/1994 | DE4226687C1 Method for fitting filter in front of outlet aperture of air conditioning channel - involves fitting lower frame by dowels, bolts or adhesion on wall around outlet aperture |
| 01/05/1994 | DE4221897A1 Fine and coarse filtering appts., esp. for hydraulic oil - has flow regulating valve protecting fine filter |
| 01/05/1994 | DE4221630A1 Filter element for hot gas - has folded, or waveform surface, and is pref. a filter cartridge or cassette |
| 01/05/1994 | DE4221592A1 Two=stage vertical dust filter - has collector for solids detached from sec. filter stage |
| 01/05/1994 | DE4221489A1 Recyclable air filter - has filter element with magnetic strips for retention in filter frame |