| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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| 03/02/2004 | US6699429 Method of making silicon nitride-bonded silicon carbide honeycomb filters |
| 02/26/2004 | US20040038014 Fiber containing filter media |
| 02/26/2004 | US20040038013 Fiber containing filter media |
| 02/26/2004 | US20040037998 Honeycomb structural body and method of manufacturing the structural body |
| 02/26/2004 | US20040037754 Apparatus for the removal of soot particles from the exhaust gas of diesel engines |
| 02/26/2004 | US20040035797 For removing liquid hydrocarbon from contaminated surface such as a body of water; kits; pollution control |
| 02/26/2004 | US20040035796 Method for treating water containing manganese |
| 02/26/2004 | US20040035426 Manner of attaching component elements to filtration material such as may be utilized in respiratory masks |
| 02/26/2004 | US20040035101 Regenerative control method for continuous regenerative diesel particulate filter device |
| 02/26/2004 | US20040035095 Filter media |
| 02/25/2004 | EP1390120A1 Improved resin impregnated filter media |
| 02/25/2004 | EP1242163B1 Tubular and honeycomb metal fail-safe regenerator filter devices |
| 02/25/2004 | EP1064069A4 Composite filter medium and fluid filters containing same |
| 02/25/2004 | CN2604466Y Urban environment protection water-saving arrangement |
| 02/25/2004 | CN2604222Y Air filter cloth with dust adsorption agent |
| 02/25/2004 | CN1478060A Mineral wool element with enhanced reaction to fire, air duct comprising same |
| 02/25/2004 | CN1478058A Method for treating water containing manganese |
| 02/25/2004 | CN1477059A Preparation method of nano alumina material |
| 02/25/2004 | CN1476920A High-strength ceramic granule filter material for treating water and its preparation method |
| 02/24/2004 | US6696132 Honeycomb with varying channel size and die for manufacturing |
| 02/24/2004 | US6695967 Amounts of the aluminum metal powder and the alumina powder in said mixture are chosen in a proportion to minimize the volume change of the sintered monolith from that of the green monolith |
| 02/24/2004 | US6695148 Transmission filter felt |
| 02/19/2004 | WO2004015251A1 Exhaust gas filter and method for cleaning an exhaust gas |
| 02/19/2004 | WO2004014553A1 Ceramic honeycomb structural body |
| 02/19/2004 | WO2004014520A2 Exhaust gas filter comprising at least one filter layer and method for the production of a filter layer |
| 02/19/2004 | WO2004014516A1 Filter element and method for the production thereof |
| 02/19/2004 | US20040033893 Silicon carbide based porous article and method for preparation thereof |
| 02/19/2004 | US20040033339 Porous body and method of manufacturing the same |
| 02/19/2004 | US20040033333 Use of a napped, planar textile structure as protection against pollen for windows and doors |
| 02/19/2004 | US20040033175 For purifying exhaust gases of an engine; for oxidative removal of carbon monooxide and hydrocarbon and reduction of nitrogen oxides |
| 02/19/2004 | US20040031753 Method for removal and detoxication of dissolved metals in a rainwater discharge |
| 02/19/2004 | US20040031749 Microbiocide mixture comprising a polydiallyldimethylammonium chloride and silver nitrate, coated on fibers, membranes, films, woven or nonwoven textile |
| 02/19/2004 | US20040031748 Filter element |
| 02/19/2004 | US20040031746 Plasma- or serum-collecting device |
| 02/19/2004 | US20040031254 Air filter for gasoline and diesel engines |
| 02/19/2004 | US20040031253 waste/sewage treatment; granulating fertilizer from dried, dewatered, sewage slugde; treating with mineral oil; pyrolysis, adsoprtion of wet gas; regeneration of adsorbent |
| 02/19/2004 | US20040031252 Filter element for filtering liquids from a stream of gas |
| 02/19/2004 | DE19922326B4 Mehrlagiges Filtermedium Multilayer filter medium |
| 02/19/2004 | DE19780763B3 Gasgenerator für einen Airbag A gas generator for an air bag |
| 02/19/2004 | DE10247450A1 Filtrationsfilter Filtration filter |
| 02/19/2004 | DE10235766A1 Exhaust gas filter, for treating motor exhaust, has structured layers with initial short contact zone with catalyst action to convert gas components, and filter zone to retain particles without additional upstream catalyst |
| 02/19/2004 | DE10235764A1 Filter material, for treating exhaust gases from motor vehicle, has layers with reinforcement zone, to take metal sheet stiffener for mechanical stability and joint for bonding with adjacent layers |
| 02/19/2004 | DE10235275A1 Filter element, for filtering hydraulic oil in hydraulic devices, has arrangement acting on connecting site in filter element to prevent bulging of filter folds in region of connecting site |
| 02/18/2004 | EP1169500B1 Polypropylene fibres |
| 02/18/2004 | CN1476494A Wettable Polyolefin fibers and fabrics |
| 02/18/2004 | CN1476345A Honeycomb filter and method for mfg. same |
| 02/18/2004 | CN1475613A Nano antibacterial non-woven fabric filtering material and its preparation method |
| 02/18/2004 | CN1475294A Preparation technology of oil fume air filtering material |
| 02/18/2004 | CN1475293A Manufacturing method of fiber ball filtering material and its device |
| 02/17/2004 | US6692555 Internal combustion engine air cleaner and adsorption filter |
| 02/12/2004 | US20040029707 Magnesium aluminum silicate structures for DPF applications |
| 02/12/2004 | US20040029705 Temperature resistant material comprising short metal fibers |
| 02/12/2004 | US20040028903 Polypropylene fibers and fabrics |
| 02/12/2004 | US20040027746 Electrical contact system |
| 02/12/2004 | US20040026312 Apparatus for removing pyrophoric catalyst |
| 02/12/2004 | US20040026309 Filtration cloth for solid-liquid systems |
| 02/12/2004 | US20040026253 Determinating charging and spin density; optically transparent electrode coating mixture of polymer and magnetic particles |
| 02/12/2004 | DE10245123A1 Automotive engine air filter has a cellulose base layer of filter material under an ultra-thin coating of fine polymer fibers |
| 02/12/2004 | DE10111308B4 Verwendung eines textilen Flächengebildes zur Anbringung vor Fenstern oder Türen Use of a textile sheet material for attachment in front of windows or doors |
| 02/11/2004 | EP1387723A1 Passive filtration system |
| 02/11/2004 | EP1387722A1 Bowl-cartridge filter having interlock mechanism and methods |
| 02/11/2004 | EP1229992B1 Filter system for separating soot particles from a stream of exhaust gas |
| 02/11/2004 | CN1474861A Oil recovery film and coating composition for forming said coating |
| 02/11/2004 | CN1474043A Air exhaust pwrifying filter catalyst |
| 02/11/2004 | CN1473947A Foamed ceramic for magnesium and magnesium alloy melt purification |
| 02/11/2004 | CN1473645A Artificial irom base manganese sand and its producing method |
| 02/11/2004 | CN1473644A Precision Filter element of IC engine lubricating oil |
| 02/11/2004 | CN1137749C Water-proof steam anti electrostatic filter and its producing method |
| 02/10/2004 | US6689464 Bisphenol-a melt and cooling gas are uniformly distributed over the cross-section of the prilling tower; lower proportion of dust; particularly clear; color stable |
| 02/10/2004 | US6689322 Shaped metallic foils are converted into free-standing, porous rutile foils having open pore structure by oxidation at elevated temperature; exposure to increasing concentrations of reducing gas (carbon monoxide) increases electrical resistance |
| 02/10/2004 | US6689278 Combined hydrophobic-hydrophilic filter for fluids |
| 02/10/2004 | US6688476 Filter assembly having a flexible housing and method of making same |
| 02/05/2004 | WO2004011390A1 Method for producing porous ceramic article |
| 02/05/2004 | WO2004011388A1 Silicon carbide thermostable porous structural material and process for producing the same |
| 02/05/2004 | WO2004011386A1 Aluminum titanate-based ceramic article |
| 02/05/2004 | WO2004011136A1 Filter element, filter and method of using and method of cleaning the same |
| 02/05/2004 | WO2004011124A1 Mullite-aluminum titanate diesel exhaust filter |
| 02/05/2004 | WO2004011123A2 Molded filter element that contains thermally bonded staple fibers and electrically-charged microfibers |
| 02/05/2004 | US20040023789 Porous silicon nitride article and method for production thereof |
| 02/05/2004 | US20040023577 Method and device for manufacturing electret processed product |
| 02/05/2004 | US20040020846 Thermal shock resistance and good filtration capability |
| 02/05/2004 | US20040020844 Filtering device |
| 02/05/2004 | US20040020367 Anti-pathogenic air filtration media and air handling devices having protective capabilities against infectious airborne microorganisms |
| 02/05/2004 | US20040020176 Filtering particulate and gaseous pollutants from internal combustion engines having intermetallic and ceramic phases, and the cermet material is made from transition metal aluminide |
| 02/05/2004 | DE19903237B4 Gasgenerator Gas generator |
| 02/05/2004 | DE10328118A1 Abgasreinigungsfilter und Verfahren zu dessen Herstellung An exhaust gas purification filter and process for its preparation |
| 02/05/2004 | DE10301037A1 Exhaust gas particle filter used for removing particles from exhaust gas stream of diesel engine comprises metal support with openings and on which porous sintered metal powder is bound by sintering process |
| 02/05/2004 | DE10245124A1 Multiple layer filter for liquids e.g. internal combustion engine fuels and hydraulic fluids, having high retention and good service life, includes a layer of fine, electro-spun fibre |
| 02/05/2004 | DE10231403B3 Heisssiegelfähiges Filtermaterial Hot-sealable filter material |
| 02/05/2004 | DE10229291A1 Filtermaterial, insbesondere in Form einer Tiefenfilterschicht Filter material, especially in the form of a depth filter layer |
| 02/05/2004 | DE10055872B4 Verfahren zur Herstellung einer porösen Struktur für ein Sieb oder einen Filter und poröse Struktur für ein Sieb oder einen Filter A process for preparing a porous structure for a screen or a filter and porous structure for a screen or a filter |
| 02/05/2004 | CA2492207A1 Molded filter element that contains thermally bonded staple fibers and electrically-charged microfibers |
| 02/04/2004 | EP1386651A1 Filtering material for filter, filter pack and air filter unit using the same, and method for preparing filtering material |
| 02/04/2004 | EP1386129A1 Device comprising a wet filter containing a hydrophobic or hydrophobicized nanoporous material |
| 02/04/2004 | EP1386065A2 Electrically regeneratable filter element |
| 02/04/2004 | EP1386064A2 Electrically regeneratable filter element |
| 02/04/2004 | EP1385805A2 Method of making wall-flow monolith filter |
| 02/04/2004 | EP1385803A2 Method of making wall-flow monolith filter |
| 02/04/2004 | EP1385598A2 Method and apparatus for making molded filter elements |
| 02/04/2004 | EP1385597A1 Filter media with enhanced stiffness and increased dust holding capacity |