| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
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| 08/08/1984 | EP0115285A1 Spray dryer and method of operating the dryer |
| 08/07/1984 | US4464186 Pneumatic filter and liquid evaporator |
| 08/07/1984 | US4464185 Ceramic honeycomb |
| 07/24/1984 | US4461711 Adding acid to liquid phase, then filtration with active carbon |
| 07/17/1984 | US4460530 Method for producing porous shaped products |
| 07/10/1984 | US4458528 For the comparative measurement of tendency of drilling fluid |
| 07/05/1984 | WO1984002520A1 Molded elements made from quartz sand, manufacturing and utilization thereof and plant for implementing the method |
| 07/03/1984 | US4458059 Liquid filtration system |
| 07/03/1984 | US4457900 Precipitation with acid from sodium silicate solution |
| 07/03/1984 | US4457496 Mineral fluorides |
| 07/03/1984 | CA1170026A1 Felt-like layered composite of ptfe and glass paper |
| 06/27/1984 | EP0112247A2 Method and equipment for the production of filter elements, in particular of respiratory masks |
| 06/26/1984 | US4456457 Exhaust gas cleaning device for diesel engine |
| 06/26/1984 | CA1169601A1 Disposable surgical face mask and method of producing it |
| 06/19/1984 | USRE31604 Multi-layer well screen |
| 06/19/1984 | US4455237 High bulk pulp, filter media utilizing such pulp, related processes |
| 06/19/1984 | US4455195 Fibrous filter media and process for producing same |
| 06/19/1984 | US4455187 Filter sheet material and method of making same |
| 06/19/1984 | US4455180 Method of fabricating a sintered and selectively plugged honeycomb structure |
| 06/19/1984 | CA1169234A1 Filter media, method for oxidizing and removing soluble iron, method for removing and inactivating microorganisms and particulate filter aid |
| 06/13/1984 | EP0110287A1 Yarn with specific properties |
| 06/12/1984 | USRE31599 Low density matting and process |
| 06/12/1984 | US4454189 Sheet of polyphenylene sulfide filaments and process for producing the same |
| 06/12/1984 | US4454176 Coating aromatic polyamide, dimethylacetamide, and, lithium nitrate or chloride or magnesium chloride, on woven support |
| 06/12/1984 | US4454040 Filter |
| 06/12/1984 | CA1168994A1 Ceramic honeycomb filter and a method for producing the same |
| 06/05/1984 | US4452698 For sludge dewatering |
| 06/05/1984 | US4452619 Pleated filter element having integral pleat spacers |
| 06/05/1984 | US4451962 For filtering melt synthetic plastic materials |
| 05/23/1984 | EP0109282A2 Paper and method of making it |
| 05/23/1984 | EP0109169A2 Filter paper |
| 05/22/1984 | US4450197 Polytetrafluoroethylene-impregnated bundles of sized glass fibers |
| 05/22/1984 | US4450081 Transmission fluid filter and method of manufacture |
| 05/09/1984 | EP0020715B1 Process for treatment of solid waste, which contains plastics as well as valuable and/or dangerous solid residue substances |
| 05/08/1984 | US4447327 Pressure filters |
| 05/02/1984 | EP0107353A2 Filter |
| 05/02/1984 | EP0107345A2 Improved alumina molten metal filters |
| 05/02/1984 | EP0106908A1 Multilayer filter material, process for making it and its use |
| 05/01/1984 | US4446024 Ceramics |
| 04/24/1984 | US4444574 Filters for exhaust systems |
| 04/24/1984 | CA1166169A1 Filter of poly(tetrafluoroethylene) and glass fibers |
| 04/17/1984 | US4443404 Sintered porous metal plate and its production |
| 04/17/1984 | CA1165698A1 Method of removing fine suspended solids from effluent stream |
| 04/11/1984 | EP0105113A2 Process for lowering the ignition temperature of diesel-oil soot filtered from exhaust gases of diesel engines |
| 04/10/1984 | US4441899 Dust collecting filter |
| 04/03/1984 | CA1164938A1 Thermoset resin impregnated web |
| 03/20/1984 | US4438167 Novel porous fabric |
| 03/15/1984 | WO1984000901A1 Absorbtion material for filter arrangement |
| 03/14/1984 | EP0102536A2 Method and apparatus for producing extrusion grade polymeric material |
| 03/13/1984 | US4436538 Porous ceramic for carbon particles |
| 03/13/1984 | CA1163613A1 Method of folding a laminar article |
| 03/13/1984 | CA1163605A1 Transversely slotted inclined static screen |
| 03/06/1984 | US4435483 Filters |
| 02/28/1984 | US4434206 Shaped articles of porous carbon fibers |
| 02/28/1984 | US4434054 Filter for separating discrete solid elements from a fluid stream |
| 02/22/1984 | EP0101082A1 Plastic film |
| 02/21/1984 | CA1162493A1 Regenerative fluid filter |
| 02/21/1984 | CA1162426A1 Sintered porous metal plate and its production |
| 02/16/1984 | WO1984000569A1 Fibrous media containing millimicron sized particulates |
| 02/15/1984 | EP0100631A2 Foam air filter |
| 02/14/1984 | US4431549 Filter elements, apparatus and methods |
| 02/14/1984 | US4431545 Microporous filter system and process |
| 02/14/1984 | US4431542 Filter and method of producing the same |
| 02/14/1984 | US4431405 Gas pollution control apparatus and method and wood drying system employing same |
| 02/07/1984 | US4430219 Hollow fiber package body and its production |
| 02/01/1984 | EP0099699A2 Polymeric microfibrous filter sheet, preparation and use |
| 02/01/1984 | EP0099586A2 Fibrous media containing millimicron-sized particulates |
| 01/31/1984 | US4428756 Method and apparatus for filtering atomic or molecular contaminants from a gas |
| 01/24/1984 | US4427425 Surgical drainage bags |
| 01/24/1984 | US4427157 Preparation of styrene-polymer and polyolefin micro-bits |
| 01/24/1984 | US4426762 Method for selectively obturating at least one end of a structural module |
| 01/18/1984 | EP0098518A2 Porous corrosion-resistant separators consisting of metallic screens coated by ceramic oxides |
| 01/17/1984 | US4426287 Molten metal filtering device |
| 01/11/1984 | EP0097716A1 High bulk pulp, filter media utilizing such pulp, related processes. |
| 01/05/1984 | WO1984000014A1 Pleat spacing mechanism |
| 01/03/1984 | US4424248 Areal flat stratified body for treating gases or liquids, method for the manufacture thereof and use of such stratified body |
| 01/03/1984 | CA1159774A1 Filter packing |
| 12/28/1983 | EP0097114A2 Filter medium for the filtration of molten metals |
| 12/27/1983 | US4423090 Method of making wall-flow monolith filter |
| 12/27/1983 | US4422937 Static screen |
| 12/20/1983 | US4421819 Wear resistant paper machine fabric |
| 12/20/1983 | US4421599 Papermaking, inorganic fine powders or inorganic short fibers |
| 12/13/1983 | US4420336 Process of improving corrosion resistance in porous stainless steel bodies and article |
| 12/13/1983 | CA1158424A1 Process for the production of porous ceramic molded articles |
| 12/06/1983 | US4419108 Filter apparatus and method of filtering |
| 12/06/1983 | CA1158111A1 Process for the superficial treatment of a fibrous filtering layer, which is non-woven and highly aerated, forming electret, and application thereof to filters and to breathing masks in particular |
| 11/30/1983 | EP0095297A1 Ceramic fabric filter |
| 11/29/1983 | US4418028 Molding, sintering, consolidation of group 1a, 2a halides and/or aluminum fluoride for porous structure |
| 11/22/1983 | US4416777 Separation of leukocytes or lymphocytes from leukocyte-containing suspension |
| 11/16/1983 | EP0094226A2 Filter systems |
| 11/16/1983 | EP0094165A2 Resin inpregnated filter papers |
| 11/15/1983 | US4415344 Diesel particulate filters for use with smaller diesel engines |
| 11/15/1983 | CA1156941A1 Ceramic honeycomb filter and a method of producing the same |
| 11/09/1983 | EP0093187A1 Screen drum for a pulp stock screening apparatus |
| 11/02/1983 | EP0092840A1 Filtration membrane and process for its manufacture |
| 11/02/1983 | EP0092839A1 Filter element and processes for producing the same |
| 11/02/1983 | EP0092819A2 Filter medium and process for preparing same |
| 10/27/1983 | WO1983003550A1 Blood filter |
| 10/25/1983 | US4411948 Air filter of three-dimensional mesh-structured webs |
| 10/25/1983 | US4411856 Covering surface with flexible mask having protusions and openings and plugging |