Patents
Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
10/2002
10/08/2002US6460483 Continuous flow watering device for pets
10/03/2002WO2002078014A2 Metal fiber mat for use in filters and method of making said filters
10/03/2002WO2002076909A1 Porous silicon nitride article and method for production thereof
10/03/2002WO2002076908A1 Porous silicon nitride article and method for production thereof
10/03/2002WO2002076579A1 Honeycomb structural body
10/03/2002WO2002076577A2 Compositions of insoluble magnesium containing minerals for use in fluid filtration
10/03/2002WO2002076576A2 Vapor deposition treated electret filter media
10/03/2002WO2002058812A3 Air filter with microencapsulated biocides
10/03/2002US20020139746 Composite filter medium and fluid filters containing same
10/03/2002US20020139745 Fluid filtering member
10/03/2002US20020139744 Product and method of forming succesive layers of face-to-face adjacent media with calculated pore size
10/03/2002US20020139099 Method and apparatus for spinning a web of mixed fibers, and products produced therefrom
10/03/2002US20020139095 Oleophobic filter materials for filter venting applications
10/03/2002CA2437721A1 Compositions of insoluble magnesium containing minerals for use in fluid filtration
10/02/2002EP1245549A2 Process for preparing silicate porous product
10/02/2002EP1245263A2 Fluid filtering member
10/02/2002EP1245262A1 Exhaust gas purifying filter and method of manufacturing the same
10/02/2002EP1244837A1 Method of making a fibrous electret web using a nonaqueous polar liquid
10/02/2002EP0929240B1 Liquid resistant face mask
10/02/2002EP0667801B1 Filtration medium
10/02/2002CN1372486A Device for maintaining and cleaning a working medium
10/02/2002CN1372477A MIcroorrganism filter and method for removing microorganism from water
10/02/2002CN1371925A Granule polymer used as filter aid
10/01/2002US6458283 Separating mixture of fluid and fibrous lost circulation material by introducing onto a screen assembly that is vibrating for passage of fluid and fibrous lost circulation material through screen assembly and for separation
10/01/2002US6458279 Porous, stable intermetallic compound of tin and antimony
10/01/2002US6457588 Treatment of fluid having lost circulation material
09/2002
09/26/2002WO2002074417A1 Honeycomb filter for purifying exhaust gas
09/26/2002WO2002074416A1 Filtration cloth for solid-liquid systems
09/26/2002WO2002074412A1 Filter candle
09/26/2002US20020138094 Vascular filter system
09/26/2002US20020136883 Air filtering filling material
09/26/2002US20020135106 Production method and apparatus for filter, forming die for filter, forming assembly for forming filter, and filter
09/26/2002US20020134063 Extrusion of mono/bicomponent fibers via spinneret orifices in the same die system/plate
09/26/2002CA2438779A1 Filtration cloth for solid-liquid systems
09/25/2002EP1243695A1 Metal fiber/metal powder sheet and process for making same
09/25/2002EP1243302A1 Filter candle
09/25/2002EP1243301A1 Filter candle
09/25/2002EP1243299A2 Microstructured filter
09/25/2002EP1243291A1 A filter and a disposable dustproof mask with use of said filter
09/25/2002EP1242165A1 Gas purification system with an integrated hydrogen sorption and filter assembly
09/25/2002EP1242163A1 Tubular and honeycomb metal fail-safe regenerator filter devices
09/25/2002EP1242161A1 Low boron containing microfiberglass filtration media
09/25/2002EP1242160A1 Low aspect ratio diesel exhaust filter
09/25/2002CN2512487Y Filter cloth
09/25/2002CN1371343A Mullite bodies and methods of forming mullite bodies
09/25/2002CN1371300A Plane metal structure, especially for filtration and method for producing plane structure as well as the use of plane structure
09/24/2002US6454986 Method of making a fibrous electret web using a nonaqueous polar liquid
09/24/2002US6454839 Electrofiltration apparatus
09/24/2002US6454834 Filter sheet that includes activated carbon fibers
09/24/2002US6454827 Filter medium and production method thereof
09/24/2002US6454826 Filter cartridge
09/19/2002WO2002072671A2 Hollow polymer particles, method for preparing hollow polymer particles, porous ceramic filter, and method for preparing porous ceramic filter
09/19/2002WO2002072357A1 Inkjet printing system using filter for pigmented inks
09/19/2002WO2002072298A1 Sintered, highly porous body and method for the production thereof
09/19/2002WO2002072237A1 Air laid/wet laid gas filtration media
09/19/2002WO2002072233A1 Use of textured thread material in textile planar structures for use as pollen filter
09/19/2002WO2002072232A1 Application of brushed textiles as pollen filters
09/19/2002WO2002072231A1 Utilization of textured thread material in textile constructions that, in turn, are used as pollen filters
09/19/2002WO2002072230A1 Application of brushed textiles as pollen filters
09/19/2002WO2002072229A1 Liquid process and continuous filtering device using high power density ultrasounds
09/19/2002US20020132869 Co-continuous interconnecting channel morphology polymer having controlled gas transmission rate through the polymer
09/19/2002US20020132720 Refractory NZP-type structures and method of making and using same
09/19/2002US20020132546 Melt-blown, non-woven fabric of polyarylene sulfide and method for producing same
09/19/2002US20020132544 Three-dimensional non-woven fabric, method for manufacturing the same, and mold for manufacturing the same
09/19/2002US20020129711 Internal combustion engine air cleaner and adsorption filter
09/19/2002US20020129587 Filter and method for manufacturing the filter
09/19/2002CA2440870A1 Hollow polymer particles, method for preparing hollow polymer particles, porous ceramic filter, and method for preparing porous ceramic filter
09/18/2002EP1241288A2 Three-dimensional non-woven fabric, method and mold for manufacturing the same
09/18/2002EP1240935A2 Filtering medium for air filters and process for producing the same
09/18/2002EP1240934A1 Filter and method for manufacturing the filter
09/18/2002EP1240933A2 Production method and apparatus for filter, forming die for filter, forming assembly for forming filter, and filter
09/18/2002EP1240391A2 Fluid control systems
09/18/2002EP1239946A1 A process for removing pyrophoric catalyst
09/18/2002EP1239937A1 Porous media for dissipating electrical charge
09/18/2002CN1370091A Oily-mist resistant filter that has nondercreasing efficiency
09/18/2002CN1369580A Staple for non-woven electret fabric, process for preparing non-woven electret fabric, and its product
09/18/2002CN1091117C Microporous polytetrafluoroethylene (PTFE) bodies with filler, and its mfg. process
09/18/2002CN1091028C Composite particulate material and process for preparing same
09/17/2002US6451260 Method for producing microporous elements, the microporous elements thus produced and uses thereof
09/17/2002US6451257 Arterial blood filter
09/17/2002US6451081 Multi-membrane filter
09/17/2002CA2258167C Filter cloth, filter method and filtering device for liquid filtration
09/12/2002WO2002070805A1 Polyester nonwoven fabric, nonwoven fabric product thereof and various products using the nonwoven fabrics reinforcing material
09/12/2002WO2002070573A1 Microbicidal separating systems
09/12/2002WO2002070433A1 Honeycomb structure
09/12/2002WO2002070107A2 Composite filter and method of making the same
09/12/2002WO2002070106A1 Honeycomb filter and method for manufacturing the same
09/12/2002WO2002070105A2 Filtration media of porous inorganic particles
09/12/2002WO2002070104A1 Purification materials and method of filtering using the same
09/12/2002US20020128578 Comprising sheet having microchannels that permit directional flow of liquid; wound dressings, wound drains, tympanostomy fluid wicks; drug delivery
09/12/2002US20020127935 D- and l- polylactic acid
09/12/2002US20020127587 Isolation of preferential macromolecules; obtain sample, expose to filter with increasing pore size, recover macromolecules
09/12/2002US20020127151 Controlling the operating condition of a plasma generator mounted in an exhaust passage
09/12/2002US20020126188 Inkjet printing system using filter fluid interconnects for pigmented inks
09/12/2002US20020125185 Method of treatment of physiological liquids of organism
09/12/2002US20020125184 Treatment of physiological liquids of organism
09/12/2002US20020125182 Filter element for water treatment
09/12/2002US20020124953 Non-woven elastic microporous membranes
09/12/2002US20020124726 Method and apparatus for controlling air quality
09/12/2002DE10110885A1 Mokrobizide Trennsysteme Mokrobizide separation systems