Patents
Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
05/2003
05/13/2003US6561769 Filter and muffler for a vacuum pump
05/13/2003CA2274077C Ink filter element for printers
05/13/2003CA2176724C Phase separation apparatus
05/08/2003WO2003038248A1 Filter composite and method for the production thereof
05/08/2003WO2003037482A2 Heat-resistant filter layer, filter body and method for the production thereof
05/08/2003WO2003037481A1 Pulp and conjugate glass fiber composite
05/08/2003WO2003037480A1 Heat-resistant filter element and method for production thereof
05/08/2003WO2003037478A2 Improved filter cell design
05/08/2003WO2003037475A2 Centrifugal filtration device
05/08/2003WO2003037389A1 Air uv disinfection device and method
05/08/2003US20030086831 Air UV disinfection device and method
05/08/2003US20030084788 Portion of the porous substrate being intercalated with a polymeric foam, wherein the filter has a downstream side and a density gradient across its thickness
05/07/2003EP1308606A2 Diesel particulate filter and diesel motor with a diesel particulate filter
05/07/2003EP1308605A1 Ceramic filter and method for manufacture thereof
05/07/2003EP1308196A1 Integrated micromachined filter systems and methods
05/07/2003EP1051236B1 Expanded porous thermoplastic polymer membranes and method and device for the production thereof
05/07/2003EP1049647B1 Filter for chemical oxygen generators
05/07/2003EP0749440B1 Method of isolating and purifying a biomacromolecule
05/07/2003CN2549368Y Air filtering net
05/07/2003CN1415537A Adulterated hydroxyapatite and its production method
05/06/2003US6559080 Cardable blends of dual glass fibers
05/02/2003EP1306119A2 In-tank fuel filter
05/02/2003EP1305103A2 Regenerable air cleaning device
05/01/2003WO2003036057A1 Exhaust-treatment core apparatus and method of making
05/01/2003WO2003035990A1 Filter
05/01/2003WO2003035958A1 Three-dimensional non-woven media, filter and process
05/01/2003WO2003035578A1 Ceramic filtering element and method for producing said element
05/01/2003WO2003035577A1 Silicon carbide based porous structure and method for manufacture thereof
05/01/2003WO2003014545A8 Exhaust gas purifying apparatus, particulate filter and manufacturing method thereof
05/01/2003WO2002102493A3 Particle filter operating by means of soot combustion and used for diesel engines
05/01/2003US20030082979 Wet-laid filter including high filtration efficiency, high permeability, low pressure drop, high throughput, long service-life and self-supporting strength
05/01/2003US20030082077 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
05/01/2003US20030080464 Process for making three-dimensional non-woven media
05/01/2003US20030080060 Integrated micromachined filter systems and methods
05/01/2003US20030080051 Three-dimensional non-woven media
05/01/2003US20030080050 Three-dimensional non-woven filter
05/01/2003US20030080046 Fuel filtration device
05/01/2003US20030080043 Filter cell design
05/01/2003US20030079609 Electronic air filter assembly
04/2003
04/30/2003CN2547872Y Composite metal filtering screen and itssand-preventing sieve tube
04/30/2003CN2547381Y Stainless steel cartridge filter
04/30/2003CN1414891A Thin porous layer with open porosity and method for production thereof
04/30/2003CN1414188A Sloop land interstifial flow collection method and device
04/30/2003CA2410140A1 Electronic air filter assembly
04/29/2003US6555489 Filter composite embodying glass fiber and synthetic resin fiber
04/29/2003US6555032 Method of making silicon nitride-silicon carbide composite filters
04/29/2003US6554997 Storm drain liner
04/29/2003US6554881 Synthetic microfiber polymer fine fiber web mated to the coarse spunbond polymer fiber support layer; effective for use in heating, refrigeration, ventilation, and exhaust duct filtering; base alpha value of at least 11
04/29/2003CA2128707C Scrim inserted electrostatic fibrous filter web
04/24/2003WO2003033192A2 Process for the production of sintered porous bodies
04/24/2003WO2003033104A1 Honeycomb filter
04/24/2003WO2003033054A1 Plasmapheresis filter device and apparatus for therapeutic apheresis
04/24/2003WO2003015893A3 Heat stable filter construction
04/24/2003US20030075499 Robison disposable filter element
04/24/2003DE20301073U1 Filling support in funnel form used for filling filter materials in activated filter devices has hand valve which can be manually turned in few seconds to make path inside filter device free
04/23/2003EP1303341A1 Ceramic filter element and method for production thereof
04/23/2003EP1303340A2 Unitary multi-component filter media
04/23/2003EP0845058B1 Fibrous webs having enhanced electret properties
04/23/2003CN1411888A Bag-type filter
04/22/2003US6552900 Device for cooling an electric module and a technical appliance
04/22/2003US6550622 Composite filter medium and fluid filters containing same
04/17/2003WO2003031324A2 Activated, coal-based carbon foam
04/17/2003WO2003031023A1 Honeycomb filter
04/17/2003WO2003031022A1 Filter apparatus for removing sulfur-containing compounds from liquid fuels, and methods of using same
04/17/2003WO2002085482A3 Method of making wall-flow monolith filter
04/17/2003US20030070990 Filter apparatus for removing sulfur-containing compounds from liquid fuels, and methods of using same
04/17/2003US20030070405 Method for manufacturing an accordion filter insert
04/17/2003US20030070350 Activated, coal-based carbon foam
04/16/2003EP1302231A1 Honeycomb filter having multi-layer structure and method for manufacturing the same
04/16/2003EP1302230A1 Laminate filter media
04/16/2003EP1302229A2 Bag filters
04/16/2003EP1301686A2 Combined liner and matrix system
04/16/2003EP1301287A1 Vibratory screen
04/16/2003EP1301261A1 Cordierite body
04/16/2003CN2545183Y SO3 filter of SO2 analyzer
04/16/2003CN1410393A Preparation method of special foamed ceramic filter for magnesium alloy
04/16/2003CN1105685C Process for treating waste water of polyvinyl chloride
04/15/2003US6548142 Silica glass honeycomb structure from silica soot extrusion
04/15/2003US6547860 Process for manufacture of triboelectrically charged nonwovens
04/10/2003WO2003028850A1 Silicon carbide filter and method for the manufacture thereof__
04/10/2003WO2002085426A3 Respiratory air filter
04/10/2003WO2002083266A3 Filters and filter materials for the removal of microorganisms and processes for using the same
04/10/2003US20030069378 Coating for the chemical grafting onto an oil, fuel, coolant or air filter material, comprising an aqueous acrylic resin, a high molecular weight silicone in aqueous suspension, pure water, binder, catalyst and graft initiator
04/10/2003US20030068484 Porous composite product for the absorption of organic compounds
04/09/2003EP1300139A2 Medicament excipient particles for tissue-specific application of a medicament
04/09/2003EP1299584A1 Polypropylene fibres
04/09/2003EP1299169A1 Filter part for fluid pipes
04/09/2003EP1128888B1 Method for producing a sealing connection
04/09/2003EP1094879B1 Diesel exhaust gas filter
04/09/2003EP1091794B1 Coated filter element and a method for producing a coated filter element
04/09/2003CN1409648A Complex shaped fiber for particle and molecular filtration
04/09/2003CN1409615A Filter with fastening device for coffee-making apparatus
04/09/2003CN1408472A Microporous filtering adsorbing, sterilizing and algae killing material
04/09/2003CN1408465A Decomposing treatment agent for fluorocarbon and decomposing treatment method
04/09/2003CN1105201C Cardable blends of dual glass fibers
04/08/2003US6544003 Gas turbine blisk with ceramic foam blades and its preparation
04/03/2003WO2003027387A1 Industrial process fabric
04/03/2003WO2003027385A1 Screen basket for screening suspensions
04/03/2003WO2003002853A3 Diesel particulate filter comprising a finely dispersed diesel particulate catalyst
04/03/2003WO2002083265A3 Devices and methods for chemical reactive filtration