Patents
Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
10/2004
10/07/2004US20040194440 Heat-resistant filter layer, filter body, and process for producing the filter layer and the filter body
10/07/2004DE202004009347U1 Fine filtration assembly, for water, has an alternating compression/expansion action on the coarse and fine filters to clear them of separated particles and prevent clogging
10/06/2004EP1465278A2 Laminated structures of sintered ceramic material, electrochemical cells, filters and process for producing such sintered laminated structures
10/06/2004EP1464477A2 Method of preparing a highly porous polyvinylidene difluoride membrane
10/06/2004EP1464381A1 Asymmetric porous polytetrafluoroethylene membrane for a filter
10/06/2004EP1463876A1 Soot trapping filter and soot reducing device thereof
10/06/2004EP1463577A1 Filter apparatus for removing sulfur-containing compounds from liquid fuels, and methods of using same
10/06/2004EP1463576A2 Mesoporous permeation layers for use on active electronic matrix devices
10/06/2004EP1463548A2 Selective adsorption devices and systems
10/06/2004EP1379319A4 Purification materials and method of filtering using the same
10/06/2004EP1368107B1 A catalyzed diesel particulate matter exhaust filter
10/06/2004EP1339471A4 A filtering device
10/06/2004EP1337310A4 Carbon block water filter
10/06/2004EP1276547A4 High efficiency cigarette filters having shaped micro cavity fibers impregnated with adsorbent or absorbent materials
10/06/2004CN2646226Y Water filter special for tap water
10/06/2004CN1535174A 亚微米滤器 Sub-micron filter
10/06/2004CN1533882A Non symmetrical multihole polytetrafluloethylene membrane for filter
10/06/2004CN1169599C 气体介质过滤器 Gaseous media filter
10/05/2004US6800200 Dual-flow filter cartridge
10/05/2004US6800117 Filtration arrangement utilizing pleated construction and method
10/05/2004US6800108 Filter made of porous ceramic sintered body
10/05/2004US6800107 Honeycomb of cells stopped by plugs each surrounded by walls; porous material
09/2004
09/30/2004WO2004083149A1 Honeycomb structure and method of manufacturing the same
09/30/2004WO2004082807A1 Ceramic filter
09/30/2004WO2004082806A1 Ceramic filter
09/30/2004WO2004082805A1 Nonwoven fabric air filter for internal combustion engine
09/30/2004WO2004082799A1 Filter media with enhanced microbiological interception capability
09/30/2004US20040192862 purification of effluents from chemical reactors, extractors, stills, air cleaners, tail gas afterburners, heat exchangers, boilers or condensers, using a networks of filters
09/30/2004US20040192144 Laminose structure cloth with biolysis fiber
09/30/2004US20040192135 Filters of water soluble polyvinyl alcohol and method of making them
09/30/2004US20040191500 Anti-microbial fiber and fibrous products
09/30/2004US20040191133 Catalyst-carried filter, exhaust gas purification system using the same, and catalyst body
09/30/2004US20040187456 Filter assembly, process for producing the filter assembly and filter body having the filter assembly
09/30/2004US20040187455 High flow, one piece automotive air filter
09/30/2004US20040187454 Filter media comprising fine fiber layer and melt blown substrate having a basis weight of about 8 to 200 grams/meter2, the polyvinyl alcohol fiber having size of 0.01-0.5 micron; humidity resistance, improved efficiency and reduced flow restrictions; filter for air, dust, gas turbines, vehicle engine
09/30/2004US20040187453 Air cleaner for combustion engine
09/30/2004DE29924680U1 Metal foil particle filter for e.g. diesel exhaust, comprises channel with end closure causing flow through its fine wall perforations into second, outer channel with matched cross section
09/30/2004DE202004009899U1 Electrical apparatus includes filter comprising medium whose pores filter out particles in fluid flow, and carrier coating
09/29/2004EP1461142A1 Method of producing a sheet comprising through pores and the application thereof in the production of micronic and submicronic filters
09/29/2004EP1301287B1 Vibratory screen
09/29/2004CN2643979Y Activated charcoal fibre air strainer with absorption and sterilization function
09/29/2004CN1533343A Heat sealable filter materials
09/29/2004CN1532170A Process for preparing gradient porous ceramic filter element
09/29/2004CN1168669C Method for removal of nano-sized pathogens from liquids
09/29/2004CN1168519C Method for producing filter cake
09/28/2004US6797666 Honeycomb filter and process for production thereof
09/28/2004US6797185 Filtration method for graft polymer polyols
09/28/2004US6797167 Composite filter medium and fluid filters containing same
09/28/2004US6797027 Filter assemblies and systems for intake air for fuel cells
09/23/2004WO2004080570A1 Ventilation filter for an oil tank
09/23/2004US20040186190 Dissolving and partial depolymerizing post-industrial and post-consumer products; filtering, recovering, repolymerizing
09/23/2004US20040183055 Method of preparing a thin ceramic composition with two materials, the composition thus obtained and the constituent electrochemical cell and membrane
09/23/2004US20040182790 Methods of making dual-action decontamination media
09/23/2004DE10310882A1 Verwendung von wäßrigen Bindemitteln bei der Herstellung von Filtermaterialien Use of aqueous binders in the production of filter materials
09/22/2004EP1460244A2 Autoselective regenerating particulate filter
09/22/2004EP1459796A1 Filter material
09/22/2004EP1458457A1 Filter element
09/22/2004EP1326696A4 Honeycomb particulate filters
09/22/2004EP1199969B1 Method for vacuum-cleaning using a hand vacuum cleaner and dust filter bags or dust collection compartment, especially for use in a method of this type
09/22/2004CN2642865Y Deodorizing device for WC
09/22/2004CN1531606A Apparatus for exhaust white powder elimination in substrate processing
09/22/2004CN1531470A Titanium powder sintered compact
09/22/2004CN1531453A Improved resin impregnated filter media
09/22/2004CN1530163A Filtering method
09/22/2004CN1167661C Method and device for producing bisphenol A prills and bisphenol A prills produced according to this method
09/22/2004CN1167517C Microbiological parts washing system, washing apparatus, controller and conversion reagent box
09/22/2004CN1167488C Technology for making net filter used for casting
09/21/2004US6794322 Low-boron glass fibers and glass compositions for making the same
09/21/2004US6794056 Laminar structure
09/21/2004CA2113607C Filter comprising glass microbeads
09/16/2004WO2004079034A1 Wear resistant screen
09/16/2004WO2004078831A1 Porous polytetrafluoroethylene resin body and process for producing the same
09/16/2004WO2004078320A1 Air cleaning member, air cleaning unit and air conditioner
09/16/2004WO2004033069B1 Improved filtering medium and use of the said filtering medium for pollution removal from lagoons
09/16/2004US20040180190 water or gas clarifying material; can adsorb and remove malodorous gas; titanosilicate-based inorganic compound entangled in a fibrillated acrylic fiber
09/16/2004US20040178150 Oil-sorbing filter element
09/16/2004US20040178143 Activated, coal-based carbon foam
09/16/2004US20040178142 Integrated paper comprising fibrillated fibers and active particles immobilized therein
09/16/2004US20040178134 Flocculation apparatus
09/16/2004US20040177759 Triboelectric air filter media
09/16/2004US20040177756 Protection against pollen in the form of woven or knitted fabric for windows and doors
09/16/2004US20040177600 Honeycomb structure
09/16/2004DE10328522A1 Composite materials, useful e.g. as shaped bricks forming floors for drying clarified sludge, comprising porous, water-permeable layer covered by thicker layer of concrete with larger pores
09/16/2004DE10316929B3 Production of open-pore molded body, used as particle filter, involves coating open pore body made from nickel or iron with metal powder, to form mixed crystals or intermetallic phases using organic binder, and further processing
09/15/2004EP1457464A1 Composite filter and method and apparatus for producing high purity water using the composite filter
09/15/2004EP1457462A2 Flocculation apparatus
09/15/2004EP1457260A2 Honeycomb structure with different porosities
09/15/2004EP1457245A2 Use of aqueous binders in the preparation of filter materials
09/15/2004EP1457243A1 Filtering method
09/15/2004EP1455575A1 Antimicrobial, sporicidal composition and treated products thereof
09/15/2004EP1386129B1 Device comprising a wet filter containing a hydrophobic or hydrophobicized nanoporous material
09/15/2004EP1370381B1 Sintered, highly porous body and method for the production thereof
09/15/2004EP1352115B1 Charged microfibers, microfibrillated articles and use thereof
09/15/2004EP1345667B1 Module for treating fluids and a method for producing a module of this type
09/15/2004EP1286933B1 Method for producing porous inorganic solids on the basis of an aqueous composite particle dispersion
09/15/2004EP1093474B1 Fluorinated electret
09/15/2004CN1528492A Surface symmetrical concave-covex staggered honeycomb fiber filter screen
09/15/2004CN1528491A Method for manufacturing environmental-protection ceramic filter ball
09/15/2004CN1166432C Method for mfg. high air permeability filter material and product thereby
09/15/2004CN1166430C HF hot melt filtering bag for air filter and its production process