| Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125) |
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| 03/11/1999 | WO1999011984A1 A method and apparatus for minimising noise from fan filter unit |
| 03/11/1999 | WO1999011355A1 Pleated filter material and cartridge filters made therefrom |
| 03/11/1999 | DE19738907A1 Drum filter especially for particle removal from air in textile processing |
| 03/10/1999 | EP0900922A2 Particulate trap for diesel engine |
| 03/10/1999 | EP0900585A1 Filtering device |
| 03/10/1999 | EP0900120A1 Cleaning device for filter of dust filter device |
| 03/10/1999 | EP0900119A1 Filter holder and gasket assembly for candle or tube filters |
| 03/10/1999 | EP0900118A1 Inline filter apparatus |
| 03/10/1999 | EP0900117A1 Control systems for operating gas cleaning devices |
| 03/10/1999 | EP0900115A1 Conical filter |
| 03/10/1999 | CN2309877Y Concave flow-guiding type screen foam remover |
| 03/10/1999 | CN1210227A Air extraction |
| 03/10/1999 | CN1210207A Method and apparatus for minimising noise from fan filter unit |
| 03/10/1999 | CN1210024A Filtering pipe and manufacture thereof |
| 03/09/1999 | USRE36129 Nut and bolt assembly means for urging end cap against adjacent wall |
| 03/09/1999 | US5879423 Air filter for the interior of a motor vehicle |
| 03/04/1999 | WO1999010633A1 Diesel exhaust aftertreatment system and process |
| 03/04/1999 | WO1999010632A1 Diesel exhaust aftertreatment system and process |
| 03/04/1999 | WO1999010103A1 Combination of filter and electrostatic separator |
| 03/04/1999 | WO1999010080A1 Filter element with plastic filter casing |
| 03/04/1999 | WO1999010073A1 High efficiency backflush system for a filter |
| 03/04/1999 | WO1999010072A1 Filter cartridge |
| 03/04/1999 | DE19839576A1 Air filter |
| 03/04/1999 | DE19746094A1 Filter unit |
| 03/04/1999 | DE19744990C1 Filter functionality monitoring unit |
| 03/04/1999 | DE19738235A1 Holding plate for a filter bag insert |
| 03/04/1999 | DE19737701A1 Housing for air filter |
| 03/03/1999 | EP0899513A1 Air extraction |
| 03/03/1999 | EP0899003A1 Ceramic filter module |
| 03/03/1999 | EP0898492A1 Disposable coalescer |
| 03/03/1999 | EP0834004B1 Self supporting hot gas filter assembly |
| 03/03/1999 | CN2309178Y Indoor air purifier |
| 03/03/1999 | CN2309177Y Air cleaner |
| 03/03/1999 | CN1209349A Filtering device and mfg. method therefor |
| 03/02/1999 | US5876471 Filter holder and gasket assembly for candle or tube filters |
| 03/02/1999 | US5875722 System and method for flue gas purification for thermal power units |
| 02/25/1999 | WO1999008775A1 Filter element for mounting in a filter housing |
| 02/25/1999 | WO1999008774A1 Dust filter |
| 02/25/1999 | WO1999008771A2 Filter element, in particular for filtering liquids |
| 02/25/1999 | DE19736031A1 Air filter with simple backwash system |
| 02/25/1999 | DE19735993A1 Long-life filter element for e.g. hot oil, fuel and water |
| 02/25/1999 | DE19735992A1 Vehicle air filter element |
| 02/25/1999 | DE19735205A1 Spectroscopic determination of soot in the environment |
| 02/25/1999 | CA2245520A1 Air extraction |
| 02/24/1999 | EP0898443A1 Reflow soldering device |
| 02/24/1999 | EP0897739A2 Filter and method for its fabrication |
| 02/24/1999 | CN1209078A Filter apparatus |
| 02/24/1999 | CN1208666A Dust filtration bag |
| 02/23/1999 | US5874052 Useful for cancer therapy, gynecological surgery, and both invasive and topical surgery |
| 02/23/1999 | US5873998 Inorganic tubular filter element including channels of non-circular section having optimized profile |
| 02/23/1999 | US5873968 Self-supporting laminate with electret lofty spun-bonded web and electret microfiber web |
| 02/23/1999 | US5873920 Low restriction, high performance air filter |
| 02/23/1999 | US5873919 System for removal of noxious fumes |
| 02/23/1999 | US5873918 Metallic fiber mat welded together to form hollow cylinder disposed tightly around electroconductive lattice support structure |
| 02/23/1999 | US5873252 Condensate separator |
| 02/18/1999 | DE19738197C1 Ventilation and/or air conditioning system for motor coaches |
| 02/17/1999 | EP0897096A1 Filter for insertion into a conduit and heat exchanger equipped with the same |
| 02/17/1999 | CN2308025Y Kitchen ventilator |
| 02/17/1999 | CN2307621Y Sealed dust separating device with oscillation filter-bag |
| 02/17/1999 | CN1208158A Air purifying machine |
| 02/16/1999 | US5871645 Filter arrangement including a non-perforated housing and an axially pleated filter pack |
| 02/16/1999 | US5871557 Mist collector cartridge |
| 02/16/1999 | US5871556 Clean room air filter system with self-supporting filter units |
| 02/12/1999 | WO1999061134A1 Air cleaning filter, process for preparing the same, and high-level cleaner |
| 02/11/1999 | DE19734081A1 Vehicle ventilation filter |
| 02/11/1999 | DE19732203A1 Cylindrical metallic air filter housing |
| 02/11/1999 | DE19730293A1 Luftreinigungsanlage Air cleaning system |
| 02/10/1999 | EP0731725B1 Deodorant dispenser for vacuum cleaner |
| 02/10/1999 | CN2306825Y High efficient oil expeller |
| 02/10/1999 | CN1207802A Flush lighting system for cleanroom |
| 02/09/1999 | US5868889 Process for manufacturing a fluid filter |
| 02/09/1999 | US5868808 Velocity stack filter |
| 02/09/1999 | US5868807 Apparatus for removing dust from gas and for cleaning at least one filter of the apparatus |
| 02/09/1999 | CA2181441C Filter element for the separation of dust particles from a gas |
| 02/04/1999 | WO1999004884A1 High flow absorbent breather filter |
| 02/03/1999 | EP0894520A1 Process for the filtration of dusts from a glass-melting furnace |
| 02/03/1999 | EP0894519A1 Filter with integrated support structure |
| 02/03/1999 | CN2306067Y Composite duster |
| 02/03/1999 | CN2306063Y Filtering bag duster for small coal boiler |
| 02/02/1999 | US5865879 Gas scrubber used in fabricating semiconductor devices and gas filtering method using the same |
| 02/02/1999 | US5865674 Flush lighting system for cleanroom |
| 02/02/1999 | CA2093065C Apparatus for filtering debris from a moving airstream |
| 01/28/1999 | WO1999003563A1 Air purifier |
| 01/28/1999 | WO1999003562A1 Ceramic hot-gas filter and process for manufacturing the same |
| 01/28/1999 | WO1999003560A1 Inline ultra-high efficiency filter |
| 01/27/1999 | EP0893151A2 Dust filter bag |
| 01/27/1999 | EP0892887A1 Heat-resistant and regenerable filter body with flow paths |
| 01/27/1999 | EP0892666A1 Separator for removing fine particulates from air |
| 01/27/1999 | CN2305241Y Wave silk screen foam remover |
| 01/26/1999 | US5863482 Method for manufacturing a filter insert |
| 01/26/1999 | US5863432 Cylindrical filters |
| 01/26/1999 | US5863317 Apparatus for gas liquid separation |
| 01/26/1999 | US5863313 Cylindrical air filter with radially directed seal |
| 01/26/1999 | US5863312 Non-entraining filter |
| 01/26/1999 | US5863311 Alternately arranged, longitudinally extending exhaust gas incoming and outgoing spacings defined between flat filter elements; nondeforming, vibration damping |
| 01/26/1999 | US5863310 Grill/filter mounting assembly |
| 01/26/1999 | US5862737 Filter change indicator |
| 01/21/1999 | WO1999002927A1 Cleanroom filter unit |
| 01/21/1999 | WO1999002238A1 Filter |
| 01/20/1999 | EP0891801A2 Plate-shaped filter element |