Patents
Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125)
11/2002
11/21/2002WO2002058817B1 Wire filter cage
11/21/2002WO2002020133A3 Air filter assembly for filtering an air stream to remove particulate matter entrained in the stream
11/21/2002US20020170856 Polysulfone hydrophilic microporous filter membrane excellent in chemical resistance
11/21/2002US20020170704 Installation for recovering debris stopped by a filter at the inlet of a heat exchanger
11/21/2002US20020170434 Filtering medium for air filter and process for producing the same
11/21/2002US20020170433 Process and device for removing soot particles from diesel engine exhaust gas
11/21/2002DE10124504A1 Filter for ventilation unit has ay least two overlapping groups of folds with different fold periods
11/20/2002EP1258278A2 Air filter element with integral radial seal gasket
11/20/2002EP1257344A1 Pleated filter element
11/20/2002EP1257343A1 Filter element
11/20/2002EP1257342A1 Filter cartridge and combination of blower wheel and filter cartridge
11/20/2002EP0885044B1 Conical fluid filter
11/20/2002EP0873172B1 High stiffness nonwoven filter medium
11/20/2002CN2521524Y Environment protection extruding & sraping suction exhauster for removing cooking fumes
11/20/2002CN1380924A Modular dustless chamber filtering system
11/19/2002US6482247 Multi-panel fluid filter with equalized contaminant passages
11/19/2002US6481360 Ultra fine fly ash and a system for collecting the same
11/19/2002CA2276647C Dust filter bag
11/14/2002WO2002089979A2 Honeycomb structural body, and honeycomb filter and converter system using the honeycomb structural body
11/14/2002WO2002089922A1 Photochemical system and method for the removal of pcdd or pcdf compounds from industrial process emissions
11/14/2002US20020167155 Air bag gas generator and air bag device
11/14/2002US20020166811 Passive filtration system
11/14/2002US20020166449 Vacuum collection bag and method of operation
11/14/2002US20020166312 Air cleaner assembly with disposable environmentally friendly filter element
11/13/2002EP1256773A2 Device for disposing of debris filtered at the entrance of a heat exchanger
11/13/2002EP1256369A2 Dual section exhaust aftertreatment filter and method
11/13/2002EP1256368A2 Method for sealing a silicon nitride filter and composition for sealing
11/13/2002EP1185353B1 Ring filter consisting of star-shaped folded filtering material
11/13/2002EP0892887B1 Heat-resistant and regenerable filter body with flow paths
11/13/2002EP0737091B9 Filter insert and process for producing the same
11/13/2002CN1094064C Non particulating adsorbent recirculating filter
11/12/2002US6480381 Dustproof structure of communication device, using air filter having distributed dust collecting efficiency and pressure loss
11/12/2002US6478959 Self-fixturing filter
11/12/2002US6478346 Snap closure
11/07/2002WO2002087728A1 Filter unit for purifying dust-laden process air
11/07/2002US20020162325 Exhaust emission control filter and method of controlling exhaust emission
11/07/2002US20020162324 Exhaust emission control device of internal combustion engine
11/07/2002US20020162310 Pre-form for exhaust aftertreatment control filter
11/07/2002US20020162309 Reusing water treatment residuals, such as alum residuals, generated by drinking water treatment facilities, by converting into a form which is more beneficial; forming a blended topsoil
11/07/2002US20020162308 Air filter for extraction apparatus
11/07/2002DE10210295A1 Struktur zur Entfernung von Fremdstoffen in einem Fluidkreislauf und ein damit ausgestatteter Kompressor Structure for the removal of foreign matter in a fluid circuit and a compressor equipped therewith
11/07/2002DE10123969C1 Filter device, for vehicle air conditioning system, has replaceable filter element provided by folded filter snap-fitted to filter housing cover for providing pre-assembled unit
11/06/2002EP1254694A1 Process for mounting a filter device for an air circulation system especially for motor vehicle
11/06/2002EP1254693A2 Air filter with electrostatically active fabric layer and its use
11/06/2002EP1254691A1 Air filter
11/06/2002EP1254689A1 Pleated filter media with embossed spacers and cross flow
11/06/2002EP1235628A4 Full flow mechanical failsafe
11/05/2002US6475270 Nested diffusional filter
11/05/2002US6474290 Engine cover
10/2002
10/31/2002WO2002086301A1 Exhaust gas purification apparatus for internal combustion engine and method thereof
10/31/2002WO2002085814A2 Method of making wall-flow monolith filter
10/31/2002WO2002085482A2 Method of making wall-flow monolith filter
10/31/2002WO2002070107A3 Composite filter and method of making the same
10/31/2002WO2002058815A3 Filter packaging for filtering liquid or gaseous media
10/31/2002US20020157540 Scenting device for air flow apparatus
10/31/2002US20020157539 Actuating the valve member of the fluid pulse generator to its open position to apply a high-pressure high-flow impulse of compressible fluid to filter outlet for back-flushing the filter body through the filter inlet
10/31/2002US20020157387 A device for purifying the exhaust gas of an internal combustion engine
10/31/2002US20020157386 Exhaust emission control system of internal combustion engine
10/31/2002US20020157385 Exhaust gas purification device
10/31/2002US20020157383 Combustion control by particle filter regeneration
10/31/2002US20020157361 Particulate filter
10/31/2002US20020157360 Supplemental filter for an electronic component
10/31/2002US20020157359 Filter assemblies and systems for intake air for fuel cells
10/31/2002US20020157358 Substance having preferential reactivity with an ash component over the principal component of the ceramic filter is atlest one substance selected from boron, aluminum, silicon, phosphorus, sulfur, chloride, titanium, zirconium and others
10/31/2002DE10120603A1 Filtereinheit zum Reinigen von staubbeladener Prozessluft Filter unit for cleaning dust-laden process air
10/31/2002DE10120223A1 Air filter with an electrostatically active fleece liner useful for dust extraction bags gives improved filtration properties
10/31/2002DE10119651A1 Filtering device used for chemical vapors comprises housing containing filter material provided in closed bag through which vapors are able to flow into housing
10/31/2002DE10118864A1 Diesel catalyst cleaning involves placing it in upright position and using combined back-flush of compressed air and rinsing agent
10/30/2002EP1251937A1 Filter assembly for a vacuum cleaner
10/30/2002EP1251935A1 Filter for gas analysis
10/30/2002EP1251934A1 A method when cleaning a filter
10/30/2002EP1251933A2 A filter unit for filtering gas
10/30/2002EP1251927A2 Filter and filter element
10/30/2002CN2518607Y Filter-bar cleaning machine
10/29/2002US6471918 Filter, regeneration and soot-removing systems and applications
10/29/2002US6471863 Filtering device
10/29/2002US6471755 Gas conducting system with filter for moisture removal
10/29/2002US6471751 Large scale environmental surface decontamination or cleaning of such as sandblasting pollutants using high efficiency particulate air filters; powerful; easy to maintain and operate; durable; high capacity, efficiency; low cost
10/29/2002US6471740 Comprising a frame which contains a filter medium firmly sealed to the frame, where the filter medium and/or the sealing material does not release gaseous organic compounds; noncontamination; use in production of semiconductors
10/29/2002US6471738 Ceiling-mounted air filtration device
10/29/2002US6471736 Access apparatus for an air treatment appliance
10/24/2002WO2002084099A1 Filter assemblies and systems for intake air for fuel cells
10/24/2002WO2002083270A1 Passive filtration system
10/24/2002WO2002068091A3 Oil separator for pumps overflowing with oil
10/24/2002US20020152894 Air filtration device
10/24/2002US20020152893 Filter assembly for a vacuum cleaner
10/24/2002US20020152746 Exhaust gas purifier for internal combustion engine
10/24/2002US20020152732 Hydrogen peroxide converts the nitrogen oxides to nitric acid, assuring that there is little nitrous acid remaining; acids are further reacted with potassium oxide to form potassium nitrate
10/24/2002DE10119796A1 Flue gas aerosol separator for waste incinerator comprises long textile band wound onto support and held detachably by fastener
10/23/2002EP1251248A1 Method and arrangement to remove soot particles from the exhaust gas of a diesel engine
10/23/2002EP1251247A1 Exhaust gas purifying filter
10/23/2002EP1250966A1 Suction unit and powder coating booth with an automatic bottom filter
10/23/2002CN2517997Y Efficiency cooker hood with fume & smoke filter core
10/23/2002CN2517996Y Disposable inner cup structure for oil collecting cup of cooker hood
10/23/2002CN2517993Y Clean keeping inner chamber of cooker hood
10/23/2002CN1376087A A method and device for cleaning air in a compressed air system
10/23/2002CN1376084A Laminar structure
10/22/2002US6468324 Mounting system for filtration media
10/22/2002US6468322 Filter holder assembly having extended collar spacer ring
10/22/2002US6467481 Stackable filter device