Patents
Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
03/2003
03/12/2003EP1290255A2 Filtration medium with enhanced particle holding characteristics
03/12/2003EP1202788B1 Charge stabilized electret filter media
03/12/2003EP1194202B1 Disposable filter for fuel
03/12/2003EP1059987A4 Effluent containment assembly
03/12/2003CN1401832A Nonwoven fabric contg, poly (ethylene oxide) fiber, mfg. method and use thereof
03/12/2003CN1401494A Resin filter body for ink-jet recording apparatus
03/12/2003CN1401407A Method for mfg. high air permeability filter material and product thereby
03/12/2003CN1102889C Filter cartridge and process thereof
03/11/2003US6530366 Apparatus for gas recirculation in an internal combustion engine
03/06/2003WO2003018483A1 Processes for manufacturing water filters
03/06/2003WO2003018190A1 Catalytic converter for food cooking appliances
03/06/2003WO2003018160A2 Biological filter structures
03/06/2003WO2002089954A3 Method and apparatus for making molded filter elements
03/06/2003US20030045192 Rigidifying component applied to one surface of the nonwoven layer to provide sufficient stiffness to the composite such that the structure can be self-pleatable yet maintain flexibility.
03/06/2003US20030045190 No-twist fabricated filtration screen
03/06/2003US20030044572 Honeycomb with varying channel size and die for manufacturing
03/06/2003US20030042211 Purification; removal bacteria
03/06/2003US20030042197 Process for producing adsorbent and detergent filter
03/06/2003US20030042195 Multi-ply filter
03/06/2003US20030041730 Cell channels having different hydraulic diameters and being arranged in a checkerboard pattern between large-diameter and small-diameter cell channels, and an extrusion die for making the same; removing diesel exhaust particulates
03/06/2003US20030041575 Exhaust gas purifying filter and manufacturing method therefor
03/06/2003US20030041574 Porous honeycomb filter and method for manufacture thereof
03/06/2003CA2457123A1 Processes for manufacturing water filters
03/05/2003EP1288178A1 Filter for molten metal filtration and method for producing such filters
03/05/2003EP1287164A2 A filter element for use in separation of biomaterials from solid contaminants
03/05/2003EP1286933A1 Method for producing porous inorganic solids on the basis of an aqueous composite particle dispersion
03/05/2003EP1286752A1 Filter, in particular for a vehicle
03/05/2003EP1286749A1 Secreted and transmembrane polypeptides and nucleic acids encoding the same
03/05/2003EP1035902B1 Filter element
03/04/2003US6527955 Heat-activatable microporous membrane and its uses in batteries
03/04/2003US6527954 Layered bag filter elements
03/04/2003US6527834 Filter for gaseous media
02/2003
02/27/2003WO2003015896A2 Apparatus for and method of trapping products in exhaust gas
02/27/2003WO2003015894A1 Heat-resistant filter
02/27/2003WO2003015893A2 Heat stable filter construction
02/27/2003US20030040108 Support structure; destroying volatility organic compounds
02/27/2003US20030039815 Nonwoven blend with electret fiber
02/27/2003US20030039774 Pre-sintering titania powder; reduction of particle sizes to screening refuse
02/27/2003US20030039598 Ceramic used for collecting fine carbon particles, emitted from internal combustion engines and oxidizing and removing by catalytic reaction
02/27/2003US20030038093 Filter system
02/27/2003US20030038092 Filter element assembly
02/27/2003US20030038091 With use of collapsible polypropylene assembly; for bag and cartridge filters
02/27/2003US20030038090 Filter element assembly
02/27/2003US20030038089 Method of reducing contaminants in drinking water
02/27/2003US20030038088 Filter element
02/27/2003US20030038084 Water filters and processes for using the same
02/27/2003US20030037675 Fluted media treated with deposit of fine fibers; advantageous in high temperature systems such as engines, gas turbines, fuel cells
02/27/2003US20030037406 Upright vacuum cleaner with cyclonic airflow
02/26/2003EP1285685A2 Ceramic green body for exhaust aftertreatment control filter
02/26/2003EP1285052A2 Multi-staged fluid filter, and methods of making and using same
02/26/2003EP1284930A1 Formation of composite materials with expandable matter
02/26/2003EP0768394B1 Bulky long fiber and split yarn of polytetrafluoroethylene, method of manufacturing the same, cotton-like material manufacturing method using the fiber and yarn, and dust collecting filter cloth
02/26/2003CN2537449Y Waste gas treating device
02/25/2003US6524849 Support with an ellipsoidal configuration, two opposit polar regions, and arcuate ribs extending from the medial ring to each polar region
02/25/2003US6524489 Advanced composite media
02/25/2003US6524488 Method of filtering certain particles from a fluid using a depth loading filtration media
02/25/2003US6524360 Melt blown composite HEPA filter media and vacuum bag
02/25/2003CA2096636C Methods of forming fibrous filtration face masks
02/20/2003WO2003014545A1 Exhaust gas purifying apparatus, particulate filter and manufacturing method thereof
02/20/2003WO2003014538A1 Exhaust gas purifying apparatus
02/20/2003WO2003013732A1 Filter element
02/20/2003WO2003013691A1 Tooling and method of manufacturing a mesh laminate
02/20/2003WO2003013688A1 Porous refractory body and methods of making the same
02/20/2003WO2002089979A3 Honeycomb structural body, and honeycomb filter and converter system using the honeycomb structural body
02/20/2003US20030034296 Nonwoven tubular filter extracting
02/20/2003US20030034290 Water purifier
02/20/2003US20030033978 High termperature filter
02/20/2003US20030033935 Air filter with laminated polytetrafluoroethylene membranes
02/19/2003CN1398241A Cationically charged coating on glass fibers
02/19/2003CN1101892C Heat-resistant and regenerable filter body with flow paths
02/18/2003US6521697 Un-sintered polytetrafluoroethylene processed article
02/18/2003US6521321 Preferred filter media, comprising multiple layers of fine fiber media separated by coarse fiber support
02/18/2003US6521096 Screen and method for manufacturing a reinforcement element for a screen plate
02/13/2003WO2003012254A1 Sintered wellscreen
02/13/2003WO2003012198A1 Material based on organic and/or inorganic fibres having germicidal properties and uses thereof
02/13/2003WO2003012182A1 Method for producing cellulose shaped bodies with super-absorbent properties
02/13/2003WO2003011437A1 Gasoline engine with an exhaust system for combusting particulate matter
02/13/2003WO2003011427A1 Honeycomb structural body and method of manufacturing the structural body
02/13/2003WO2002068746A3 Laminated battery separator material
02/13/2003US20030032686 Prepared from foamed polymer melts by extrusion through a die; for micro/macrofiltration
02/13/2003US20030032556 Filtering component in the form of activated carbon fibres
02/13/2003US20030032360 Nonwoven fabric containing fibers made of polyoxyalkylene, method for their production and use
02/13/2003US20030032358 Porous fibrous structure and process for producing the same
02/13/2003US20030031924 High crystalline polypropylene microporous membrane, multicomponent microporous membrane and method for preparing the same
02/13/2003US20030031857 Process for making porous molded bodies of thermoplastic polymers
02/13/2003US20030029909 Tooling and method of manufacturing a mesh laminate
02/13/2003US20030029813 Collapsible filter element
02/13/2003US20030029789 Method of making an antimicrobial sintered porous plastic filter
02/13/2003US20030029788 Pleated filter element
02/13/2003US20030029147 Used scavenge particulates (fine particles) in fluid such as diesel particulate filer
02/13/2003US20030029142 Ceramic filter and method for manufacture thereof
02/13/2003DE20215896U1 Plastic molded body used in pre-filters for filtering out dirty particles from a solution comprises irregularly sintered together granulate plastic grains having a specified density and bulk density
02/13/2003CA2456027A1 Material based on organic and/or inorganic fibres having germicidal properties and uses thereof
02/12/2003EP1283192A1 Water purification system with dual body filter of sintered activated carbon
02/12/2003EP1283067A1 Honeycomb filter for purifying exhaust gas
02/12/2003EP1283066A1 Filter made of porous ceramic sintered body
02/12/2003EP1144700B1 Improved method for filtering a metal liquid on a bed of refractory particulate material
02/12/2003EP1012127B1 Pervious channel-crossed porous body
02/12/2003CN2535401Y Barrier-free fluidized filtering truncated cone of anion-cation resin separation for condensate precision treatment
02/12/2003CN1101310C Highly asymmetric, hydrphilic, microfiltration membranes having large pore and its preparation method and diagnostic device containing the filter membrane