| Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125) |
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| 07/21/1992 | CA1305430C Moulding for rigid cylindrical elements with a separation, filtration and catalytic transformation membrane |
| 07/21/1992 | CA1305310C Process and an apparatus for cooling flue dust |
| 07/15/1992 | EP0494302A1 Air control system providing healthful enclosed environment |
| 07/14/1992 | US5130079 Device for removal of hydrogen from a mixture of gases containing hydrogen, oxygen, steam, and aerosols |
| 07/14/1992 | US5130023 Filter cartridge with end densification ring |
| 07/14/1992 | US5129929 Sorbent filtration device |
| 07/14/1992 | US5129928 Environment treatment |
| 07/14/1992 | US5129923 First layer of microfibrous material and second drainage layer impregnated with low surface energy oil repellent material |
| 07/14/1992 | US5129922 Method and apparatus for removing contaminated air from an enclosed dirty air space |
| 07/09/1992 | DE4100179A1 Removal of low concns. of air impurities near public highway - comprises mixing fine grained adsorbents with air, then passing air adsorbent-impurity mixt. through suspension filter |
| 07/09/1992 | DE4035736C1 Air filter unit, for easy cleaning - comprises prefilter chamber, filter disc, suction nozzle and hollow shaft |
| 07/08/1992 | EP0493654A1 Portable electric blower |
| 07/07/1992 | CA1304621C Dust control in hoppers |
| 07/05/1992 | CA2033596A1 Automobile purification system device |
| 07/02/1992 | DE4142365A1 Contamination measurement arrangement for air cleaning system - contains contamination sensor, microcomputer, memory unit, display and air throughput controller |
| 07/01/1992 | EP0354952B1 Shaft with a moving bed of pourable material |
| 06/30/1992 | US5126078 Air freshener dispenser with replaceable cartridge exhaustion alarm |
| 06/30/1992 | US5125941 Air intake filter for internal combustion engines |
| 06/30/1992 | US5125940 In-line air filter apparatus |
| 06/30/1992 | US5125939 Filter container |
| 06/25/1992 | DE4033621C1 Filter for cleansing exhaust gas, esp. from diesel engine - has filter body with longitudinal channels which are sepd. by porous sepg. walls which are not penetrated by soot particles |
| 06/24/1992 | EP0491175A2 Filter for an air conditioning or heating system of a motor vehicle |
| 06/24/1992 | EP0490960A1 Filtering unit for cleaning supply air. |
| 06/24/1992 | CN1062191A Induction air filter for internal combustion engines |
| 06/23/1992 | US5124856 Magnetic recording device with unitary filter medium to trap organic and inorganic chemical pollutants |
| 06/23/1992 | US5123944 Removable filter units |
| 06/23/1992 | US5123243 Method and apparatus for trapping and incinerating particulate matter found in diesel engine exhaust |
| 06/17/1992 | EP0490662A1 Improved filter element |
| 06/17/1992 | EP0490169A1 Filter cartridge especially for gas filters |
| 06/17/1992 | EP0489976A1 Control means for use in an air filtering arrangement |
| 06/17/1992 | EP0489975A1 Filter element cleaning arrangement |
| 06/17/1992 | EP0334910B1 Soot filter |
| 06/17/1992 | CN1061916A Process and apparatus for removal of sulfur from dust-containing flue gas |
| 06/14/1992 | CA2057507A1 Filter element |
| 06/11/1992 | DE4039288A1 Gas filter insert of pleated filter fabric - has pleat edges splayed to increase contact area for attachment to edge sealing strip |
| 06/11/1992 | DE4039286A1 Filter panel insert of fluted web with reinforced edge - produced by lamination or compression of outermost web folds |
| 06/10/1992 | CN2106652U Single-filtering low-resistance pulse dust precipitator with two bags |
| 06/09/1992 | US5120919 Cabinet for a machine cooled by ventilation |
| 06/09/1992 | US5120337 Intake air filter for the internal combustion engine of a motor vehicle |
| 06/09/1992 | US5120335 Separator to separate products finely ground in a mill from a gas current |
| 06/09/1992 | US5120333 Recycling system for industrial vacuum machine |
| 06/09/1992 | US5120331 Composite gas filtering unit |
| 06/09/1992 | US5120296 Method and apparatus for forming filter element |
| 06/09/1992 | US5119718 Ventilating arrangement for the cab of a vehicle |
| 06/04/1992 | DE4037888A1 Continuous mfr. of bag filter - from continuous strip of filter material by securing to worktable, folding, ultrasonic welding, and repeating |
| 06/03/1992 | EP0488883A2 Control apparatus of an electrical appliance |
| 06/03/1992 | EP0487831A1 Filter units with end connectors |
| 06/03/1992 | EP0487519A1 Oil coalescing filter. |
| 06/03/1992 | CN1061539A Filter for filleration of gaseous and liquid media |
| 06/02/1992 | US5118330 Aerodynamic filter |
| 05/27/1992 | EP0486846A1 Method for manufacturing an air filter and apparatus to carry out such method |
| 05/27/1992 | DE4122014C1 Exhaust filter for IC engine - consists of filter body formed by layers of coated filter plates made of superimposed mats of ferritic or austenitic wire etc. |
| 05/27/1992 | DE4037549A1 Rechargeable filter for adsorptive and absorption treatment of gaseous impurities plus dust removal - using e.g. activated carbon@, Fuller's earth or chalk-based granules |
| 05/27/1992 | CN2105329U Mixed steam and water separator |
| 05/26/1992 | US5116395 Dust collection with programmable cleaning air control |
| 05/19/1992 | US5114583 Filter unit with high volumetric efficiency and reduced filtering surface |
| 05/19/1992 | US5114581 Back-flushable filtration device and method of forming and using same |
| 05/19/1992 | US5114572 Filter assembly and cartridge therefor |
| 05/19/1992 | US5114508 Filter element and its production |
| 05/19/1992 | US5114448 Air filtering apparatus |
| 05/19/1992 | US5114447 Ultra-high efficiency porous metal filter |
| 05/19/1992 | US5114444 Filter arrangement including at least one drum-type filter |
| 05/19/1992 | US5114443 Air line vapor trap |
| 05/14/1992 | DE4035801A1 Assembly for perforated plate supporting filter element - protects springs from thermal stress, contg. supporting ring, gasket, clamps and springs |
| 05/13/1992 | EP0485134A2 Air freshener dispenser with replaceable cartridge exhaustion alarm |
| 05/13/1992 | EP0485087A1 Filter systems |
| 05/13/1992 | CN2104076U Rotary compound duster |
| 05/13/1992 | CN1016586B Insitu hazardous waste treating apparatus and method of using same |
| 05/12/1992 | US5112585 Process of removing flue gas cleaning residues during the wet cleaning of flue gases by drying and construction |
| 05/12/1992 | US5112369 Method of applying a wettant to a filtering media |
| 05/12/1992 | US5112368 Process for removing dust from high temperature gas streams |
| 05/06/1992 | EP0483629A1 Intake air filter for combustion engines |
| 05/06/1992 | EP0483173A1 An apparatus for separating particulate material from high-temperature gases. |
| 05/06/1992 | EP0334926B1 Filter for the abatement of solid particles and unburned hydrocarbons entrained in the exhaust gases from internal combustion engines |
| 05/06/1992 | CN2103364U Fine dust filter |
| 05/06/1992 | CN2103363U En-block double-filtering layer air disinfection filter |
| 05/05/1992 | US5110332 Filter for filtration of particles from a hot gas flow |
| 05/05/1992 | US5110331 Dust collector with re-entrainment prevention walls |
| 05/05/1992 | US5110329 Filtering device for dust and exhaust gases of glass melting furnaces containing sulfurous compounds |
| 05/05/1992 | CA1300038C Moisture-removal apparatus |
| 05/05/1992 | CA1300035C Small volume laboratory filter |
| 04/30/1992 | WO1992006772A1 Method and apparatus for purifying the flue gases of oil burners |
| 04/30/1992 | WO1992006767A1 Filtration arrangement and method |
| 04/30/1992 | CA2094271A1 Filtration arrangement and method |
| 04/29/1992 | EP0482505A1 Vortex-filter combination for the separation of solids dispersed in gases or in vapours |
| 04/29/1992 | EP0482396A1 Filtering apparatus |
| 04/29/1992 | EP0482307A1 Filter |
| 04/28/1992 | US5108977 Catalyst for cleaning exhaust gas |
| 04/28/1992 | US5108601 Cross-flow filtration device with filtrate chambers and internal filtrate collection volume |
| 04/28/1992 | US5108474 Smoke filter |
| 04/28/1992 | US5108473 Dust collector with atmospheric backflush |
| 04/28/1992 | US5107630 Abrasive blasting apparatus |
| 04/28/1992 | US5107580 Method of attaching sheet filter to inlet opening of ventilation fan or range hood |
| 04/28/1992 | CA2054278A1 Suction air filter for combustion engines |
| 04/28/1992 | CA1299361C Apparatus for cleaning cartridge filters in a powder spray system |
| 04/23/1992 | CA2053796A1 Filtering apparatus |
| 04/22/1992 | EP0481858A1 Self-heating collecting aerosol filter for pyrolysis |
| 04/22/1992 | EP0481021A1 Air purifier |
| 04/22/1992 | CN2102150U Wind rate changeable back-flow filter |
| 04/21/1992 | US5107218 Method of operation of air cleaner used in motor vehicle |