| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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| 06/09/1992 | US5120576 Impregnating porous inorganic membrane with reactive inorganic binder |
| 06/09/1992 | US5120331 Composite gas filtering unit |
| 06/09/1992 | US5120213 Apparatus for producing pressings provided with channels from powdery molding compound, especially ceramic molding compound |
| 06/04/1992 | WO1992009353A1 Dioxole/tfe copolymer composites |
| 06/03/1992 | EP0488822A2 Electret filters |
| 06/03/1992 | EP0487643A1 Precoat septum with a continuous filament yarn. |
| 06/03/1992 | EP0487598A1 A filter element. |
| 06/03/1992 | EP0487519A1 Oil coalescing filter. |
| 06/02/1992 | CA1302177C Polyvinylidene difluoride structure and method of making |
| 05/31/1992 | CA2056579A1 Electret filters |
| 05/27/1992 | EP0486846A1 Method for manufacturing an air filter and apparatus to carry out such method |
| 05/27/1992 | EP0486616A1 Cooking oil filter. |
| 05/27/1992 | DE4122014C1 Exhaust filter for IC engine - consists of filter body formed by layers of coated filter plates made of superimposed mats of ferritic or austenitic wire etc. |
| 05/26/1992 | US5116650 Dioxole/tfe copolymer composites |
| 05/20/1992 | EP0486421A1 Method of manufacturing a metallic material and material obtained by this method |
| 05/19/1992 | US5114882 Alumina aggregates as filters |
| 05/19/1992 | US5114762 Crosslinked resin |
| 05/19/1992 | US5114584 Filter dryer body |
| 05/19/1992 | US5114581 Back-flushable filtration device and method of forming and using same |
| 05/19/1992 | US5114537 Slurrying cellulose ester fibers in water, mixing with esters of cellulose, drainage, drying and cutting |
| 05/19/1992 | US5114472 Multistage rigid media filter for molten metal and method of filtering |
| 05/19/1992 | US5114447 Ultra-high efficiency porous metal filter |
| 05/19/1992 | CA1300906C Filter for use in a cartridge for the preparation of a beverage |
| 05/14/1992 | WO1992007644A1 Anti-static fuel filter |
| 05/13/1992 | EP0484593A1 Method of producing a porous metal and a metal product using the same such as a catalyst carrier |
| 05/13/1992 | EP0484462A1 Process for treating a porous substrate to achieve improved water and oil repellency. |
| 05/12/1992 | US5112796 Manganese dioxide impregnated filter |
| 05/12/1992 | US5112677 For air filters, metal particles on polymeric sheet |
| 05/12/1992 | CA1300523C Filter for separating solid material particles from gas or liquid media |
| 05/07/1992 | DE4034798A1 Adsorption surface filter prepn. - by fixing adsorber particles on air-permeable sheet support with moisture-curable polyurethane-based melt adhesive |
| 05/06/1992 | CN1060886A Sintered metal sand screen |
| 05/06/1992 | CN1016516B Porous metal bodies |
| 05/05/1992 | US5110620 Electrification of porous sheet having spaced particles on surface |
| 04/30/1992 | WO1992007140A1 Dry liquid depth filter sheet |
| 04/30/1992 | WO1992006768A1 Process and device for purifying exhaust gases |
| 04/30/1992 | WO1992006767A1 Filtration arrangement and method |
| 04/30/1992 | WO1992006742A1 Filter and process for producing the same |
| 04/30/1992 | CA2094271A1 Filtration arrangement and method |
| 04/28/1992 | US5108827 Strong nonwoven fabrics from engineered multiconstituent fibers |
| 04/28/1992 | US5108474 Smoke filter |
| 04/28/1992 | US5108469 Exhaust-air purifying unit |
| 04/23/1992 | WO1992007167A1 Sintered metal sand screen |
| 04/23/1992 | DE4033344A1 Filter und verfahren zu seiner herstellung Filter and process for its preparation |
| 04/23/1992 | DE4033019A1 Soot filter esp. for diesel engine or heater exhaust gas - with heat-resistant alumina silica esp. mullite fibre filter enclosed in gas permeable material |
| 04/22/1992 | CN1016355B Crude oil desalting and dewatering by filteration |
| 04/21/1992 | US5106552 Polyolefin sheath, polyester core; spinning, stretching, annealing |
| 04/21/1992 | US5106510 Combined filtration and fixation of heavy metals |
| 04/21/1992 | US5106502 Porous inorganic membrane with reactive inorganic binder |
| 04/21/1992 | US5106395 Process for avoiding a formation of highly condensed aromatic hydrocarbons and dioxines in combustion system |
| 04/18/1992 | WO1992006769A1 Filter and means for regeneration thereof |
| 04/16/1992 | WO1992005864A1 Filter for liquor filtration |
| 04/16/1992 | WO1992005857A1 Self-heating filter |
| 04/15/1992 | EP0479821A1 A filter resistant to high temperatures and a method for manufacturing it. |
| 04/15/1992 | CN2101520U Heat seal filting screen plate made of multi-layer nonwoven cloth |
| 04/14/1992 | US5104727 Filters out combustion product |
| 04/14/1992 | US5104540 Coated molten metal filters |
| 04/14/1992 | CA1298751C Ultra-high filtration filter |
| 04/09/1992 | DE4031852A1 Ground water level raising - using slit trench degassed by initial bottom supply of water |
| 04/08/1992 | EP0479553A1 Production of porous ceramics |
| 04/08/1992 | EP0479187A1 Filter for liquor filtration |
| 04/08/1992 | EP0478914A1 Leucocyte depleting filter device and method of use |
| 04/08/1992 | EP0478842A1 Filter for the filtration of human cerebrospinal fluid |
| 04/07/1992 | US5102917 Blending with particular solid and second polymer; extrusion, leaching of second polymer and solid |
| 04/07/1992 | US5102711 Breathable layered materials |
| 04/07/1992 | US5102539 Method of producing a membrane and a membrane for microfiltration, ultrafiltration, pervaporation or reverse osmosis of suspensions, emulsions and for gas separation |
| 04/06/1992 | WO1992005860A1 Composite gas filtering unit |
| 04/06/1992 | CA2072625A1 Composite gas filtering unit |
| 04/04/1992 | WO1992006238A1 Heat-resistant nonwoven fabric and method of manufacturing said fabric |
| 04/01/1992 | EP0477689A1 Process for the preparation of porous polysulfone media suitable for filtration |
| 04/01/1992 | EP0477196A1 Filter and process for manufacturing filters using material cured by ultraviolet radiation for end caps. |
| 03/31/1992 | US5100171 Filter assembly for airbag inflator |
| 03/25/1992 | EP0476727A1 Process for avoiding the formation of high condensated aromatic hydrocarbons and of dioxines in combustion plants |
| 03/25/1992 | EP0476061A1 Air bag and laminates therefor and processes for making the laminates. |
| 03/24/1992 | US5098670 Filter and gas mixing device for use in heating or incineration plants |
| 03/24/1992 | US5098621 Spreading a layer of micropackaged active material, mixing with surfactants and polyurethanes, molding and suspension |
| 03/24/1992 | US5098583 Wet classification of kaolin, dewatering, filtration by flowing through a filter plate |
| 03/24/1992 | US5098571 Aggregation of alumina and sintering with sintering aid of alumina-zirconia and sintering |
| 03/24/1992 | US5098455 Regenerable exhaust gas filter element for diesel engines |
| 03/24/1992 | US5098454 Cylinder with alumina or zirconia fibers and colloidal silica with a binders and deflocculant |
| 03/19/1992 | WO1992003958A1 Method of manufacturing filter bags and a filter bag |
| 03/19/1992 | DE4105210C1 Cross-flow micro-filter for particle concn. in suspension - is cyclically backflushed to prevent passage of small particles through funnel-shaped pores |
| 03/18/1992 | EP0475708A1 Depth filter media |
| 03/18/1992 | EP0474940A1 Concentric smoking filter having discrete tow and web filter media |
| 03/18/1992 | CN2098962U Filter screen made of stainless steel |
| 03/17/1992 | US5096473 Filtration fabric laminates |
| 03/15/1992 | CA2050504A1 Porous polysulfone media suitable for filtration |
| 03/12/1992 | WO1992004100A1 Filter assembly for gas analyser |
| 03/12/1992 | CA2090320A1 Filter assembly for gas analyzers |
| 03/10/1992 | US5094906 Ceramic microtubular materials and method of making same |
| 03/10/1992 | US5094895 Composite, porous diaphragm |
| 03/05/1992 | WO1992001498A3 Solid-phase precipitation assay device and method |
| 03/05/1992 | DE4027799A1 Odour filter for fresh air introduced into vehicle cabins - comprises absorber resin fixed on air-permeable system |
| 03/03/1992 | US5093289 Ceramic material permitting the passage of fluids and based on silicon powder reaction-bonded in the presence of carbon |
| 03/03/1992 | US5092351 Multi-layer filter cartridge |
| 02/28/1992 | EP0638050A4 Improvements in filtration. |
| 02/27/1992 | DE4027272C1 Chemisorption filter, esp. for air conditioning systems - includes foamed porous ceramic layer impregnated with alkali, dust capturing prefilter layer and active carbon layer |
| 02/27/1992 | DE4026657A1 Sterile filter - made of biocompatible titanium materials |
| 02/26/1992 | EP0471910A1 Process for making a ceramic filter |
| 02/26/1992 | CN2097026U Adsorption filter board |
| 02/26/1992 | CN1058919A Dust collector with desulfurization and deodorization functions |