| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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| 01/18/1994 | US5279731 Depth filter media |
| 01/13/1994 | DE4310110A1 Mehrlagiges, textiles, gasdurchlässiges Filtermaterial gegen chemische Schadstoffe Multiple layers of textile, gas-permeable filter material from chemical pollutants |
| 01/12/1994 | EP0578365A1 Electrostatic particle filtration |
| 01/11/1994 | US5277963 Filter sheet material |
| 01/11/1994 | US5277943 Exposing to an oxygen-containing atmosphere |
| 01/11/1994 | CA1325983C Processes for preparing electret filters |
| 01/11/1994 | CA1325974C Device and method for depletion of the leukocyte content of blood and blood components |
| 01/06/1994 | WO1994000511A1 Porous polytetrafluoroethylene and preparation |
| 01/06/1994 | CA2138250A1 Porous polytetrafluoroethylene and preparation |
| 01/05/1994 | CN2151970Y Honsehold drinking water softening, purifying and magnetizing device |
| 01/04/1994 | US5275743 Pleated filter element; resin-bonded glass fibers; polymeric mesh; cellulose paper sheet |
| 12/31/1993 | CA2081508A1 Thermal bleaching process for non-contaminating fluorocarbon fiber media |
| 12/29/1993 | EP0576343A2 A composite filter material |
| 12/29/1993 | EP0575329A1 Combined filtration and fixation of heavy metals |
| 12/29/1993 | EP0283520B1 Polyphenylene sulfone fibers and a method for their production |
| 12/29/1993 | CN2150915Y Flap filter |
| 12/29/1993 | CN2150755Y Magnitizing mineral water pot |
| 12/29/1993 | CN1079942A Deoxidization method and apparatus based on hydrogen desoxydation principle |
| 12/28/1993 | US5273565 Meltblown fabric |
| 12/23/1993 | WO1993025301A1 Nanochannel filter |
| 12/23/1993 | WO1993025296A1 Filters for light metals |
| 12/22/1993 | EP0575038A1 Exhaust gas filter and method for making the same |
| 12/22/1993 | EP0574588A1 Biaxially oriented high-molecular polyethylene film and production thereof, and surface-modified, biaxially oriented high-molecular polyethylene film and production thereof |
| 12/22/1993 | EP0570384A4 Back flushable filtration device and method of forming and using same |
| 12/22/1993 | CN2149954Y Slurry screen-separating machine |
| 12/22/1993 | CN1023242C Sintered metal sand screen |
| 12/21/1993 | US5271232 Filtration apparatus |
| 12/21/1993 | CA1325389C Sintered coating for porous metallic filter surfaces |
| 12/21/1993 | CA1325388C High temperature filter felt |
| 12/15/1993 | EP0573666A1 Filter medium and filter which use animal fibers |
| 12/15/1993 | CN2149383Y Fine filtration core for purifying, magnetizing and mineralizing fresh water |
| 12/14/1993 | US5270107 High loft nonwoven fabrics and method for producing same |
| 12/14/1993 | US5269925 Filter comprising multiple layers of non-woven filter fabric of decreasing porosity |
| 12/14/1993 | US5269921 Filter cartridge or filter module consisting of flexible deep filter material |
| 12/14/1993 | US5269862 Overlapping narrow strips |
| 12/09/1993 | WO1993024705A1 Modification of porous materials |
| 12/09/1993 | CA2136849A1 Modification of porous materials |
| 12/08/1993 | EP0572983A1 Basket for domestic centrifuge and method for producing such basket |
| 12/07/1993 | US5268013 Ring, gas permeable backing and filter |
| 12/01/1993 | EP0572369A2 Back-wash filtering device for filtering high viscosity liquids |
| 12/01/1993 | EP0572106A1 Polyester bag filter |
| 12/01/1993 | EP0571953A1 Hydrophilic fiber sheet and process for producing the same |
| 12/01/1993 | EP0571762A1 Process for the separation of a catalyst free work solution from a hydrogenation circulation of the anthraquinone process for the preparation of hydrogen peroxyde |
| 12/01/1993 | EP0571614A1 A filter and filtration method |
| 12/01/1993 | CN1022890C High efficient filter sound silencing element core and its producing technique |
| 11/30/1993 | US5266279 Filter or catalyst body |
| 11/30/1993 | US5266219 For use in diagnostic testing |
| 11/30/1993 | US5266194 Unimold filter |
| 11/30/1993 | US5266090 Multi-sided air filter with wraparound filter media |
| 11/26/1993 | CA2096766A1 Process for the separation of catalyst-free working solution from the hydrogenation circuit of the anthraquinone process for the production of hydrogen peroxide |
| 11/25/1993 | WO1993023657A1 Diesel particulate trap of perforated tubes having laterally offset cross-wound wraps of inorganic yarn |
| 11/25/1993 | WO1993023144A1 Particulate trap for purifying diesel engine exhaust gas |
| 11/25/1993 | WO1993023142A1 Filters including magnesium silicate |
| 11/25/1993 | WO1993023137A1 Filter cartridge |
| 11/25/1993 | DE4217159A1 Coiled filter body - has a layer with better drainage structured with denser zones across the wood direction |
| 11/25/1993 | CA2133571A1 Diesel particulate trap of perforated tubes having laterally offset cross-wound wraps of inorganic yarn |
| 11/24/1993 | EP0571161A2 Filter screen |
| 11/24/1993 | EP0570384A1 Back flushable filtration device and method of forming and using same. |
| 11/23/1993 | US5264162 Process for manufacturing porous tubes of high permeability made from carbon-carbon composite material, and their application |
| 11/23/1993 | US5264137 Method for separating fluids using a carbonaceous polymeric filter having a LOI greater than 40 |
| 11/18/1993 | DE4207233A1 Prodn. of porous filter body for exhaust gas - by saturating paper and/or cardboard material with water, stirring and drying or hardening obtd. foamed pulp |
| 11/17/1993 | CN1078404A Filter and method for obtaining platelets |
| 11/17/1993 | CN1022736C Multi-passageway eddy flow packing elements |
| 11/16/1993 | US5262067 Device and its use for the separation of plasma from whole blood |
| 11/16/1993 | US5262005 Cellulose fiber webs for sanitary napkins, towels and filters |
| 11/11/1993 | WO1993022029A1 Method and device for treating a parenteral emulsion-containing medicament fluid |
| 11/11/1993 | WO1993022023A1 Device and method to separate the components in mixtures of non-miscible liquids |
| 11/11/1993 | WO1993021812A1 A dust bag and method of production |
| 11/11/1993 | DE4214990A1 Staubsaugerbeutel und Verfahren zu seiner Herstellung Dust bags and process for its preparation |
| 11/10/1993 | CN1078166A A filter element having an inherently stable, permeably porous plastic shaped body |
| 11/10/1993 | CN1078121A Filtering element and its fabrication method |
| 11/09/1993 | CA1324034C Device for heating or incineration plants |
| 11/03/1993 | EP0568381A1 Spiral wrapped gas generator filter and method of production |
| 11/03/1993 | EP0477196B1 Filter and process for manufacturing filters using material cured by ultraviolet radiation for end caps |
| 11/03/1993 | CN2145061Y Active high-speed seawater desalinator |
| 11/02/1993 | US5258127 Biological filters |
| 11/02/1993 | US5258126 Method for obtaining platelets |
| 11/02/1993 | US5258122 Superimposed unit of distribution plate, filter, drain, microfiltration and ultrafiltration |
| 11/02/1993 | CA1323855C Filtration media with low protein adsorbability |
| 10/31/1993 | CA2093743A1 Spiral wrapped gas generator filter |
| 10/31/1993 | CA2092931A1 Method of treating power generating plant condensate |
| 10/30/1993 | CA2074692A1 Filter for parenteral systems |
| 10/28/1993 | WO1993021371A1 High loft nonwoven fabrics and method for producing same |
| 10/27/1993 | CN2144531Y Air filter |
| 10/27/1993 | CN1077701A Process for preparing microporous weathered granite filter element by sintering |
| 10/26/1993 | US5256347 Detecting temperatures inside and outside with thermocouples; controlling combustion to uniformly burn pore-forming agent; elimination of cracks |
| 10/26/1993 | US5256292 Screen for filtering undesirable particles from a liquid |
| 10/26/1993 | US5256291 Screen for filtering undesirable particles from a liquid |
| 10/26/1993 | US5256176 Thermally stimulated depolarization current having homocharge peak temperature of a tleast 95 degrees and a heterocharge peak of at least 80 degrees |
| 10/26/1993 | US5256103 Ventilation arrangement for the interior of a vehicle, in particular a heating and/or air-conditioning unit for a motor vehicle |
| 10/26/1993 | CA1323584C Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene) |
| 10/21/1993 | DE4304427A1 Degradable, pref. biodegradable open pore dimensionally stable moulding - obtd. from degradable thermoplastics material and soluble crystals and use e.g. for filter, catalyst support, storage medium or insulation |
| 10/20/1993 | EP0566414A1 Cross-flow filter device with pressure-balancing feature |
| 10/20/1993 | EP0566051A1 Air filter and method for reducing the amount of microorganisms in contaminated air |
| 10/20/1993 | EP0565791A1 Molten metal filter |
| 10/20/1993 | CN1077412A Teflon fiber filter material production technique and equipment |
| 10/20/1993 | CN1077394A Incrustation removing (acid washing) water purifier for heating boiler |
| 10/20/1993 | CN1022457C Nonwoven fibrous web for tobacco filter |
| 10/19/1993 | US5254297 Charging method for meltblown webs |
| 10/19/1993 | US5253409 Method of manufacturing a plastic article having micro-openings defined therein |