| Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125) |
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| 01/04/1994 | US5275636 Air cleaner for internal combustion engine |
| 01/04/1994 | CA1325779C Integrated air cleaner assembly |
| 12/29/1993 | CN2151486Y Filtering memborance fixer of ozone purifier |
| 12/28/1993 | US5273564 One piece filter media framework |
| 12/28/1993 | US5273563 Filter media retaining assembly for an air filter |
| 12/28/1993 | US5273562 Mounted so level of the outlet is above level of an an open-topped receptical to be filled with particles from a transport gas |
| 12/28/1993 | US5273561 Debris-containing air flowing through bag filter, metal filter and a perforated cup to said power head |
| 12/28/1993 | US5273311 Gas generator |
| 12/28/1993 | CA1325607C Filter apparatus |
| 12/23/1993 | DE4239357C1 Thermal regeneration of particle filter - for filtering exhaust gas from diesel engine driving generator |
| 12/23/1993 | DE4220159A1 Dust filter hoses surrounded by gas cavities - sized to prevent formation of condensation and associated heat energy requirement |
| 12/22/1993 | EP0575245A1 Apparatus for treating a gas by contacting with solid materials |
| 12/22/1993 | EP0575038A1 Exhaust gas filter and method for making the same |
| 12/22/1993 | EP0570384A4 Back flushable filtration device and method of forming and using same |
| 12/22/1993 | CN2149956Y Two-purpose air purifier |
| 12/22/1993 | CN2149955Y Non-backblown cloth-bag dust collector |
| 12/21/1993 | US5271752 Device for mounting filter bags in a filtering chamber |
| 12/21/1993 | US5271750 Air filtration system with safety after-filter |
| 12/21/1993 | CA1325387C Process and installation for the treatment of a stream of gas containing pyrophoric dust |
| 12/15/1993 | EP0573896A1 Process for removing tube or pipe shaped filter media and device for carrying out this process |
| 12/15/1993 | EP0422137B1 Spiral filter |
| 12/14/1993 | US5269835 Baghouse floater purge system |
| 12/14/1993 | US5269824 Air filtering device |
| 12/14/1993 | CA1325185C Gas stream diffusing and distribution apparatus |
| 12/14/1993 | CA1325184C Air filter and module to be used for building up such a filter |
| 12/09/1993 | DE4315577A1 Filter blockage indicator incorporates movable membrane - which maintains its position even when internal combustion engine is switched off |
| 12/09/1993 | DE4218396A1 Automotive filter incorporates two filter inserts - facilitating high quality seal between filtered air and unfiltered air |
| 12/08/1993 | EP0573209A1 Filtration of gases |
| 12/07/1993 | US5268013 Ring, gas permeable backing and filter |
| 12/07/1993 | US5268012 Fume extractor |
| 12/01/1993 | EP0572356A1 Apparatus and process for cleaning with a liquid of filter cartridges in fluidised powder apparatus or in spray-dryers |
| 12/01/1993 | EP0572106A1 Polyester bag filter |
| 12/01/1993 | EP0572063A1 Filtration module |
| 12/01/1993 | EP0571708A1 Apparatus and process to remove pollutants from gases |
| 12/01/1993 | CN1078919A In-line filter device for compressed air |
| 11/30/1993 | US5266194 Unimold filter |
| 11/30/1993 | US5266091 Air climate control system register filter |
| 11/30/1993 | US5266090 Multi-sided air filter with wraparound filter media |
| 11/30/1993 | CA1324773C Supporting structure for ceramic tubes in a gas system |
| 11/30/1993 | CA1324772C Integrated dust containment system for rotary crusher/breakers and the like |
| 11/30/1993 | CA1324770C Disposable air cleaner with one piece housing |
| 11/25/1993 | WO1993023657A1 Diesel particulate trap of perforated tubes having laterally offset cross-wound wraps of inorganic yarn |
| 11/25/1993 | WO1993023146A1 Filter system for compressed air |
| 11/25/1993 | WO1993023144A1 Particulate trap for purifying diesel engine exhaust gas |
| 11/25/1993 | WO1993023143A1 Filtering device for containers with dust-laden crude air |
| 11/25/1993 | WO1993023137A1 Filter cartridge |
| 11/25/1993 | DE4308286A1 Filter cartridge cleaning - uses bursts of compressed air with flow cross section matching central filter opening |
| 11/25/1993 | DE4217195A1 Air filter body - has concave and convex corrugations acting as fan-fold spacers to minimise the risk of tears in filter fabric |
| 11/25/1993 | DE4216569A1 Filter support and jig with bayonet lock - facilitates one-man removal and replacement of heavy inserts |
| 11/25/1993 | CA2133571A1 Diesel particulate trap of perforated tubes having laterally offset cross-wound wraps of inorganic yarn |
| 11/24/1993 | EP0570384A1 Back flushable filtration device and method of forming and using same. |
| 11/24/1993 | CN2147037Y Air liquid separating air moisture adsorption device |
| 11/23/1993 | US5264026 Centralized laser plume evacuation system through articulating arms |
| 11/23/1993 | US5264015 Screen having an air cleaning function |
| 11/18/1993 | EP0570098A2 Automotive air bag cushion |
| 11/18/1993 | EP0569754A1 Method and apparatus to determine the effectiveness of filters, especially during sterile air processing |
| 11/18/1993 | DE4308285A1 Filtervorrichtung für Behälter mit staubbeladener Rohluft Filter device for containers with dust-laden raw air |
| 11/17/1993 | CN2146298Y High-efficient dust remover |
| 11/16/1993 | US5261946 Air line vapor trap with air-warming system |
| 11/16/1993 | US5261937 Sample concentrator filter |
| 11/16/1993 | US5261934 Powder collection method and apparatus with isolated filter pulsing and compression mounted cartridges |
| 11/16/1993 | CA2090102A1 Automotive airbag cushion which has vent holes which are covered with layered structural reinforcing and filter materials |
| 11/11/1993 | DE4215265A1 Corrugated panel air filter - comprises panel with corrugations extending across longitudinal direction of panel and set in paper-mache frame |
| 11/11/1993 | DE4214885A1 Gas piping mercury decontamination - uses external heat to evaporate mercury@ with inert gas flow to carry that vapour through condenser for recovery and collection in safety |
| 11/10/1993 | CN1078166A A filter element having an inherently stable, permeably porous plastic shaped body |
| 11/09/1993 | US5259868 Process for purifying exhaust air from plant parts of oil mills |
| 11/09/1993 | US5259854 Disposable HEPA filtration device |
| 11/09/1993 | US5259190 Heated cellular structures |
| 11/09/1993 | CA1324091C Air filter with back flow cleaning |
| 11/09/1993 | CA1324090C Method and apparatus for treating process gases |
| 11/09/1993 | CA1324034C Device for heating or incineration plants |
| 11/04/1993 | DE4235591A1 Bio filter has horizontal substrate with downflow of organically polluted air - through sprinkler-moistened microorganisms, cleans air polluted by organic aerosol(s) |
| 11/03/1993 | EP0568381A1 Spiral wrapped gas generator filter and method of production |
| 11/03/1993 | CN2145062Y Double-layer round-bag dust remover with machinery rotary jetting |
| 10/31/1993 | CA2093743A1 Spiral wrapped gas generator filter |
| 10/28/1993 | WO1993020924A1 Device for the uniform distribution of a two-phase stream |
| 10/28/1993 | WO1993020923A1 Apparatus and method for removing particulate deposits from high temperature filters |
| 10/28/1993 | WO1993020922A1 Apparatus for enhancing the environmental quality of work spaces |
| 10/28/1993 | WO1993020919A1 Filter cartridge for trap apparatus |
| 10/28/1993 | WO1993020896A1 System for handling and monitoring respiratory waste streams |
| 10/28/1993 | DE4234208C1 Air lock filter - has filter box at outer side of chamber door and can be used for chambers of varying sizes |
| 10/28/1993 | CA2118406A1 Filter cartridge for trap apparatus |
| 10/28/1993 | CA2110907A1 Apparatus and method for removing particulate deposits from high temperature filters |
| 10/26/1993 | US5256312 Pneumatic sealed filter |
| 10/26/1993 | US5256175 Hot gas filter |
| 10/26/1993 | US5256103 Ventilation arrangement for the interior of a vehicle, in particular a heating and/or air-conditioning unit for a motor vehicle |
| 10/26/1993 | CA2063605C Apparatus and a method for separating particulate material from high-temperature gases |
| 10/21/1993 | DE4212769A1 Vorrichtung zur gleichmäßigen Verteilung einer Zweiphasenströmung Device for uniform distribution of a two-phase flow |
| 10/21/1993 | DE4212344A1 Gas scrubbing and filtering plant - utilised esp. for treating smokehouse waste gases |
| 10/20/1993 | EP0566479A1 Fouling detector for air filter |
| 10/20/1993 | EP0566113A2 Apparatus for cleaning the dust collector/remover filter |
| 10/20/1993 | EP0565728A1 Method and apparatus for processing exhaust gas |
| 10/19/1993 | US5254146 Means for emptying a filter box |
| 10/19/1993 | US5254144 Cleaning filter by backflushing |
| 10/14/1993 | WO1993019834A1 Arrangement in connection with a flue gas scruber |
| 10/14/1993 | WO1993019833A1 Packed-bed filter |
| 10/14/1993 | WO1993019832A1 Filter element with a dimensionally stable, permeable and porous plastic moulded body |
| 10/14/1993 | DE4211928A1 Dust sepn. from an air stream - is used to preliminarily settle coarse particulates followed by filtration e.g. for shoe buffing or grinding machines |
| 10/14/1993 | DE4211752A1 Dust filter battery - has adjacent conical inserts to enhance filter efficiency and operational life in continued vertical operation |
| 10/14/1993 | DE4211465A1 Dry sepn. recovery and processing of vapour - incident in paint spraying operations and drawn from sticky point particles in the exhausted effluent air |