| Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884) |
|---|
| 06/12/1990 | CA2005309A1 Filtering apparatus |
| 05/31/1990 | WO1990005808A1 Easily defibered web-shaped paper product |
| 05/31/1990 | DE3835851C1 Method of manufacturing artificial stones |
| 05/30/1990 | EP0370734A2 Filter for gas producer and method for producing the same |
| 05/30/1990 | EP0370584A1 Filter and process for preparing a leucocyte-poor platelet suspension |
| 05/29/1990 | US4929581 Catalytic diesel soot filter |
| 05/29/1990 | US4929502 Fibrillated fibers and articles made therefrom |
| 05/29/1990 | CA1269550A1 Seamless porous metal article and method of making |
| 05/24/1990 | CA2003679A1 Dry filter for the treatment of water |
| 05/23/1990 | EP0369330A2 High temperature filter |
| 05/23/1990 | EP0369098A1 Process for the preparation of a reinforced ceramic foam |
| 05/23/1990 | EP0369032A1 Electret material and method of producing the same |
| 05/22/1990 | US4927442 Method of producing open-pore sintered glass filters and product |
| 05/17/1990 | WO1990005010A1 Filter body with tapered tortuous passageways |
| 05/15/1990 | US4925631 Method of casting a hopcalite filter and cast ceramic fiber-hopcalite |
| 05/15/1990 | US4925623 Clamping arrangement for stainless steel fiber filter elements |
| 05/15/1990 | US4925602 Orienting, fibrillation, heating |
| 05/15/1990 | US4925572 Device and method for depletion of the leukocyte content of blood and blood components |
| 05/15/1990 | US4925570 Method of filtering |
| 05/15/1990 | US4925560 Clog resistant high efficiency filter media |
| 05/15/1990 | US4924860 Water trap and associated control system |
| 05/15/1990 | CA1269091A1 Non-woven activated carbon fabric |
| 05/15/1990 | CA1268912A1 Gas permeable composite structures |
| 05/14/1990 | CA2001192A1 High temperature filter |
| 05/09/1990 | CN2056942U Dusting, energy-saving, durable air-filter core for internal-combustion engine of car |
| 05/08/1990 | US4923830 Ceramic bodies formed from partially stabilized zirconia |
| 05/08/1990 | US4923725 Article for absorbing cooking grease |
| 05/08/1990 | US4923620 Adsorption, filtration; transfusions |
| 05/08/1990 | CA1268718A1 Filter for separating substances having lipophilic and/or oleophilic and/or apolar properties from different liquids, gases and vapors |
| 05/02/1990 | EP0366028A2 Process for the production of a material containing clay and fibres |
| 05/02/1990 | EP0365676A1 Blood component separator |
| 05/02/1990 | CN1041706A Microfilter device |
| 05/01/1990 | US4921616 Alveolar ceramic filters for high melting metals |
| 05/01/1990 | US4921615 Bacteria, fungi, biological cells, filter with different layers |
| 05/01/1990 | US4921512 Filter element |
| 05/01/1990 | US4920960 Body fluids barrier mask |
| 04/25/1990 | EP0365167A2 Method of making motor vehicle filter elements |
| 04/24/1990 | US4919863 Oxides formed on porous steel foil |
| 04/24/1990 | CA1268068A1 Spiral wire belt |
| 04/18/1990 | EP0364173A1 Microfilter device |
| 04/18/1990 | EP0320036B1 Process for the separation of ashes at the combustion of coal to produce gas |
| 04/18/1990 | CN1041407A Composite duster of rotary blast and suction |
| 04/17/1990 | US4917942 Nonwoven filter material |
| 04/17/1990 | US4917799 Polyester fibers surface roughened by solvent |
| 04/17/1990 | US4917714 Non-woven strong, high strength and improved permeability, chemical resistance, used in removal of particulates from gases |
| 04/17/1990 | US4917591 Apparatus for curing resin impregnated in filter element |
| 04/11/1990 | EP0363033A2 Apparatus and method for electrically charging meltblown webs |
| 04/11/1990 | EP0362400A1 Method of firing ceramic honeycomb structure |
| 04/10/1990 | US4915839 Nylon fiber used for microfiltration of biological liquids |
| 04/10/1990 | US4915837 Hollow fiber sheet filter of alpha cellulose |
| 04/10/1990 | US4915714 Fiber bed element and process for removing small particles of liquids and solids from a gas stream |
| 04/10/1990 | CA2000055A1 Microfilter device |
| 04/04/1990 | EP0361814A2 Fluid treatment system having low affinity for proteinaceous materials |
| 04/04/1990 | CN1040928A Diesel-oil filter element made of superpolymer hdpe material and its prodn method |
| 03/28/1990 | EP0360593A2 Method of producing porous ceramic honeycomb structural bodies |
| 03/28/1990 | EP0359969A1 Filter for the purification of fluids |
| 03/28/1990 | CN1040735A Method and apparatus for improving the crimping of polyolefin filter tow |
| 03/28/1990 | CN1007320B Panel air filter |
| 03/27/1990 | US4912076 Filter for cleaning exhaust gases of diesel engines |
| 03/27/1990 | US4911789 Glass fibre-based paper |
| 03/27/1990 | CA1267019A1 Method for forming filter element and forming apparatus therefor |
| 03/22/1990 | WO1990002628A1 Method and device for making filters by laser machining |
| 03/22/1990 | WO1990002595A1 Filtration |
| 03/21/1990 | EP0359408A2 Filter assembly for non-welded inflator device |
| 03/21/1990 | EP0358919A1 Device for heating or combustion installations |
| 03/20/1990 | US4909300 Fluid-permeable article producing method |
| 03/20/1990 | CA1266791A1 Process for preparing porous metal plate |
| 03/14/1990 | EP0358522A2 Regenerable diesel particulate trap |
| 03/14/1990 | EP0358361A2 Thermite coatings |
| 03/14/1990 | EP0358222A2 High temperature filter felt |
| 03/14/1990 | EP0357693A1 Molecular sieve arrangement. |
| 03/08/1990 | WO1990001983A1 Sieveplate |
| 03/08/1990 | EP0348463A4 Gravel pack for petroleum or water wells. |
| 03/07/1990 | EP0357258A1 Method and apparatus for improving the crimping of polyolefin filter tow |
| 03/07/1990 | EP0356424A1 Filter elements using improved synthetic fibers |
| 03/07/1990 | CN1040236A Porous nonwoven flat sheet |
| 03/06/1990 | US4906374 Filtration media with low protein adsorbability |
| 03/06/1990 | US4906263 Adsorption filter with high air permeability |
| 02/28/1990 | EP0355400A2 Filter medium for cake forming filtering operations |
| 02/28/1990 | CN2053535U Acrylic polyester fibre depth air filter element |
| 02/27/1990 | US4904385 Lofted fiber-reinforced composite sheet; compressing a heat fusible polymer and a binder |
| 02/27/1990 | US4904288 Polypropylene yarn woven in egg-crate pattern, corrugated metal screen, reusable |
| 02/27/1990 | US4904174 Apparatus for electrically charging meltblown webs (B-001) |
| 02/27/1990 | US4903617 Process of removing the ash from the gas produced by the combustion of coal |
| 02/22/1990 | WO1990001577A1 Method and apparatus for crimping polyolefin filter tow |
| 02/20/1990 | US4902433 Equipment and method for filtration using a fabric of polyacrylonitrile fibers |
| 02/20/1990 | US4902427 Filter for removing heavy metals from drinking water |
| 02/20/1990 | US4902423 Filter aids, substrates for coatings, porosity |
| 02/20/1990 | US4902319 Gas filter |
| 02/20/1990 | US4902314 Ceramic honeycomb |
| 02/14/1990 | EP0354721A2 Porous ceramic honeycomb filter and method of producing the same |
| 02/14/1990 | EP0354546A2 Porous nonwoven flat sheet |
| 02/14/1990 | CN1039548A Sintering metal powder into structures without sintering aids |
| 02/08/1990 | WO1990000926A1 Device for containing and holding in position specific quantities of bulk material |
| 02/08/1990 | DE3818972A1 Filter insert for a solids filter |
| 02/07/1990 | EP0354053A2 Honeycomb structure and method of producing the same |
| 02/01/1990 | DE3825334A1 Vorrichtung zur aufnahme und raeumlichen festlegung bestimmter mengen von schuettmassen Apparatus for recording relevant spatial and lockup certain quantities of schuettmassen |
| 01/31/1990 | EP0352888A2 Filtration fabric produced by wet laid process |
| 01/31/1990 | CN1039192A Dry process for separating harmful substances from flue gases, and apparatus therefor |
| 01/25/1990 | WO1990000439A1 Reduction of the ignition temperature of diesel soot |