Patents
Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
03/2009
03/25/2009EP2039411A1 Gearbox oil filter with exhaust flow meltblow assembly
03/25/2009EP2000499A9 Process for production of polytetrafluoroethylene porous membrane, filter medium and filter unit
03/25/2009CN101395102A Method for producing ceramic honeycomb structure
03/25/2009CN101392415A Polyphenylene sulfide/polyester alloy fiber and preparation method
03/25/2009CN101391169A Purification method of sulphur-containing flue-gas
03/25/2009CN101391167A Filter member
03/25/2009CN101391164A Exhaust gas particle filter and method for manufacturing an exhaust gas particle filter
03/25/2009CN100471570C Honeycomb structure body, honeycomb structure body assembly and homeycomb catalyst
03/25/2009CN100471544C Hollow extracting micro-hole filtering element
03/24/2009US7507467 Microchannels with minimum widths separate fluid from particles to be filtered; fluid flows through the widths into the microchannels and particles to be filtered are prevented from passing through the the widths; microchannels can be provided with gradient characteristics
03/24/2009US7507460 Plugged honeycomb structure and method of manufacturing the same
03/24/2009US7507340 One or more active components supported by a matrix material of polyacrylonitrile; active components are effective in removing one or more constituents from the fluid by ion exchanging, extraction and complexing
03/24/2009US7507272 Vacuum filter bag with odor removing effect
03/24/2009US7507271 Cartridge filter for purifying gas
03/24/2009CA2444270C Passive filtration system
03/21/2009CA2639666A1 Biofilter media and biofiltration apparatus employing same
03/19/2009WO2009036102A2 Filter for a medical instrument assembly
03/19/2009WO2009035049A1 Method of manufacturing honeycomb filter
03/19/2009WO2009034972A1 Filter paper for vehicle and process for producing the same
03/19/2009WO2009034841A1 Air purification filter and air purification filter assembly
03/19/2009WO2009033291A1 Wastewater treatment
03/19/2009WO2008139229A3 Pores
03/19/2009US20090071905 Methods of Making and Using Filtering Unit for a Virucide Substance
03/19/2009US20090071903 Composite Semipermeable Membranes, Methods for Production Thereof and Uses Thereof
03/19/2009US20090071895 certain pore size minimum while simultaneously exhibiting a degree of softness; as cooking oil filtration, soft skin cleansers, dental abrasives
03/19/2009US20090071293 Filter Device for Molten Metal Filtration and Method for Producing Such Filters
03/19/2009DE202007015659U1 Mehrlagiges, insbesondere zweistufiges Filterelement zur Reinigung eines mit Partikeln behafteten Mediums A multi-layer, in particular two-stage filter element for cleaning an medium particles
03/19/2009DE19933442B4 Partikelfilter mit einem Filtermedium und einem Katalysator Particulate filter with a filter medium and a catalyst
03/19/2009CA2699424A1 Wastewater treatment
03/18/2009EP2037029A1 Polyimide nonwoven fabric and process for production thereof
03/18/2009EP2036609A1 Honeycomb structure and method of manufacturing the same
03/18/2009EP2035112A1 Porous material with a nanoporous coating
03/18/2009EP2035111A2 Metal or metalized fabrics coated with nanostructured titanium dioxide
03/18/2009EP1341630B1 Production of short metal fibers
03/18/2009CN101389392A Ceramic honeycomb filter
03/18/2009CN101389388A A filter plate for use in a filter stack
03/18/2009CN101385921A No-weaving filter composite material of feather fiber and preparation method thereof
03/18/2009CN101385920A Filter material of energy cup filter element
03/18/2009CN101385919A Multifunctional composite filter material special for city and village and production method thereof
03/18/2009CN100469415C Organic composition used for preparing filter material
03/18/2009CN100469414C Method for producing a moisture-keeping fresh-keeping healthy material with Vitamin
03/17/2009US7503957 Honeycomb structure, method of manufacturing the same, die for forming, and discharge fluid purification system
03/17/2009CA2355165C A filter cartridge and process
03/12/2009WO2009033143A1 Improved pleated nanoweb structures
03/12/2009WO2009032285A1 Method and apparatus for cleaning a fluid
03/12/2009WO2009031944A2 Filtering material for gaseous medium
03/12/2009WO2009031334A1 Filter medium for air filter and air filter
03/12/2009WO2009030337A1 Filter cloth for a brewery mash filter
03/12/2009WO2009010728A3 Improved water filter apparatus
03/12/2009WO2009007059A3 Vacuum-cleaner filter bag
03/12/2009US20090065982 Method of manufacturing a porous material
03/12/2009US20090065435 Modified Biogenic Silica and Method for Purifying a Liquid
03/12/2009US20090065430 Fabrication of filter elements using polyolefins having certain rheological properties
03/12/2009US20090064648 Pleated nanoweb structures
03/12/2009CA2698345A1 Method and apparatus for cleaning a fluid
03/11/2009EP1556216B1 Hydroentangled filter media with improved static decay and method
03/11/2009EP1403418B1 Method and device for manufacturing electret processed product
03/11/2009EP1242165B1 Gas purification system with an integrated hydrogen sorption and filter assembly
03/11/2009CN201205470Y Combined polypropylene hot-spraying fiber membrane foldable filter core
03/11/2009CN201205469Y Hydrophilic teflon microporous membrane foldable filter core
03/11/2009CN101384330A Ceramic honeycomb filter and exhaust gas purifier
03/11/2009CN101384327A Manufacturing method for ceramic honeycomb filter
03/11/2009CN101380536A Multiple layer composite micropore filtration separation material and preparation method and use thereof
03/11/2009CN101380535A Multiple layer composite micropore filtration separation material and preparation method and use thereof
03/11/2009CN100467095C Porous calcium silicate filter material for water treatment
03/10/2009CA2639513A1 Modified biogenic silica and method for purifying a liquid
03/05/2009WO2009028496A1 Weld structures of synthetic resin mesh, woven fabric, knitted fabric and nonwoven fabric, filter body for fuel, and method of welding
03/05/2009WO2009026978A2 Corrugated or folded flat material
03/05/2009WO2009002024A3 Filtrate media for high- tension molding
03/05/2009US20090057220 Filter assembly
03/05/2009DE102007040776A1 Regenerative-filter unit for use in hydro-engineering system, has filter layer comprising balls that are connected with each another through sintering, where filter layer is arranged between permeable inner and outer supporting layers
03/04/2009EP2031425A1 Optical component comprising submicron hollow spaces
03/04/2009EP2029501A2 Jointing cement containing hollow spheres, for a particulate filter
03/04/2009EP2029256A1 Water filter apparatus and methodology
03/04/2009CN201200840Y Adsorption type one-level filter material with soft magnetic strip for plate and frame type air filters
03/04/2009CN201200839Y Flat cartridge filter element
03/04/2009CN101378822A Honeycomb structure, production method for honeycomb structure, casing and exhaust emission control device
03/04/2009CN101378820A Molded filter
03/04/2009CN101378819A Nonwoven fabric for filter and method for producing the same
03/04/2009CN101376074A Fiberglas felt for filtering oil smoke and method for producing the same
03/04/2009CN100465360C An optic catalyst anti-bacterial mildw-proof negative ion polypropylene monofilament, a preparation method and an application thereof
03/04/2009CN100464819C A method for reducing polymers such as polyacrylonitrile
03/04/2009CN100464818C A structural filter core with a molecular sieve structure and a preparation method thereof
03/04/2009CN100464817C A structural filter core for removing lead and mercury from drinking water and a preparation method thereof
03/04/2009CN100464816C A structural filter core for removing nitrite-nitrogen from drinking water and a preparation method thereof
03/04/2009CN100464815C A solid filtration media with high capacity
03/03/2009US7497999 multicompartment cells having partition walls that form fluid flow passageways, used as catalyst supports for catalystic exhaust systems for removing nitrogen oxide, sulfur oxide, hydrogen chloride or carbon monoxide an automobile exhaust gases
03/03/2009US7497951 Composite semipermeable membrane, production process thereof, and element, fluid separation equipment and method for water treatment using the same
03/03/2009US7497889 Exhaust emission control device
02/2009
02/26/2009WO2009025173A1 Exhaust gas purification catalyst and exhaust gas purification apparatus using the exhaust gas purification catalyst
02/26/2009WO2008148439A8 Mat-shaped foam material for cleaning and/or filtering air
02/26/2009WO2008140871A9 Device for treating inhaled air having an antimicrobial sheet
02/26/2009WO2008136887A3 Face finished honeycomb structures and methods of manufacturing same
02/26/2009US20090054924 Medical device
02/26/2009US20090050578 Formed filter element
02/26/2009US20090050564 Cross-flow filtration method and cross-flow filtration device
02/26/2009US20090049988 Composite material
02/26/2009US20090049816 Filter felts and bag filters comprising blends of fibers derived from diamino diphenyl sulfone and heat resistant fibers
02/26/2009DE202007014378U1 Ölnebelabscheider einer Brennkraftmaschine Oil mist separator of an internal combustion engine
02/26/2009DE102007054199B3 Woven filter fabric of glass fibers is needled with PTFE staple fibers and has a porous membrane on one side bonded by an adhesive
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