Patents
Patents for B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
01/1995
01/11/1995EP0632970A2 Cellulose acetate based products, their use in the manufacture of filtertows for the production of tobacco smoke filters as well as filtertows and tobacco smoke filters
01/11/1995EP0632969A2 Filtertow and process for its manufacture as well as tobacco smoke filter and process for its manufacture
01/11/1995EP0632968A2 Filtertow and process for its manufacture and tobacco smoke filter and process for its manufacture
01/11/1995CN2187168Y Distilled water machine
01/10/1995US5380580 Flexible nonwoven mat
01/10/1995US5380432 Fuel filter with electrostatic charge preventing media
01/10/1995CA2100213A1 Filter system for air line
01/05/1995WO1995000449A1 Method for cleaning polluted groundwater, permeable construction therefor and method for producing same
01/05/1995DE4321294A1 Candle filter
01/05/1995DE4321289A1 Electret fibres with improved charge stability, manufacture thereof, and textile material containing same
01/04/1995EP0632154A1 Ball-like structures and contacting materials for wastewater treatment
01/03/1995US5378426 Oxidation resistant metal particulates and media and methods of forming the same with low carbon content
01/03/1995US5378015 Inflatable restraint system inflator emission treatment
12/1994
12/30/1994CA2126530A1 Ball-like structures and contacting materials for wastewater-treatment
12/28/1994EP0630677A2 Ceramic filter for a dust-containing gas and method for its production
12/28/1994EP0630676A1 Exhaust gas purification filter and filter medium therefor
12/28/1994EP0630675A1 Leukocyte or leukocyte/platelet remover and filter therefor
12/28/1994EP0630281A1 Pleated poly(tetra-fluoro ethylene) filter medium and support.
12/28/1994EP0479821B1 A filter resistant to high temperatures and a method for manufacturing it
12/28/1994CN2186150Y Non-spining cloth-active carbon compound laminated products
12/27/1994US5376441 Controlling particle size of latex
12/27/1994US5376278 Filter and a method for separating charged particles from a liquid stream
12/27/1994US5376218 Device for manufacturing a filter
12/27/1994US5376168 Electrostatic particle filtration
12/22/1994WO1994029525A1 Reduction of openness of materials
12/22/1994WO1994029019A1 Method and apparatus for separating solids from a liquid
12/21/1994EP0629722A1 Fibrous strip comprising multiple widths and method and apparatus for the production thereof
12/21/1994EP0629586A1 Process for purifying groundwater, permeable structure to be used therein and process for preparing this structure
12/21/1994EP0629434A1 Process for making a microfiltration, ultrafiltration, pervaporation or reverse osmosis membrane for suspensions, emulsions or gas separation
12/21/1994EP0545970B1 Method of manufacturing filter bags and a filter bag
12/21/1994CN1096466A Liquid filtering material and its preparing process
12/20/1994US5373615 Filtration screen
12/13/1994US5372788 Deodorizing filter
12/13/1994US5372380 Airbag; porous pyrolyzed carbon foam; propellant gas generator having extreme thermal, pressure resistance shock
12/09/1994CA2097973A1 Filtration fabric laminates
12/08/1994WO1994028284A1 Sand screen structure
12/08/1994WO1994028221A1 Hydraulic-jet-treated stitchbonded fabric
12/08/1994WO1994028059A1 Porous polytetrafluoroethylene and preparation
12/08/1994WO1994027929A1 Porous ceramic and process for producing the same
12/08/1994WO1994027927A1 Ceramic fibers and methods, machines and compositions of matter for making the same
12/08/1994WO1994027842A1 Filter and method of forming
12/08/1994CA2163885A1 Ceramic fibres and methods, machines and compositions of matter for making the same
12/08/1994CA2163754A1 Sand screen structure
12/07/1994EP0627256A1 High-efficiency metal filter element and process for the manufacture thereof
12/07/1994EP0627251A1 Solid material flow-separating method
12/07/1994EP0627250A1 Method and device for draining-washing, and concentration type filter used therefor
12/07/1994EP0626879A1 Hot-gas-filtering fabric of spaced uncrimped support strands and crimped lofty fill yarns.
12/07/1994EP0626878A1 Scrim inserted electrostatic fibrous filter web.
12/07/1994EP0578729B1 Diesel particulate trap of perforated tubes wrapped with cross-wound inorganic yarn to form 4-sided filter traps
12/07/1994EP0487519B1 Oil coalescing filter
12/07/1994CN2184692Y Drinking water treating device
12/07/1994CN1026869C Porous sintered body and method of manufacturing same
12/06/1994US5370797 High aspect ratio triple-plus warp wire mesh
12/06/1994US5370721 Ceiling fan filter
12/02/1994CA2097480A1 Filter for molten metal
12/01/1994DE4307398A1 Electret fibres having improved charge stability, production thereof and textile material containing these electret fibres
11/1994
11/30/1994EP0626295A1 Inflatable restraint system inflator emission treatment
11/30/1994EP0626189A2 Deodorizing filter
11/30/1994EP0626188A1 Exhaust gas cleaning filter medium and method of manufacturing the same
11/30/1994EP0626187A1 A filtering medium and a process for producing the same
11/30/1994EP0625883A1 Acrylic copolymer membranes for biosensors
11/30/1994EP0407566B1 Highly air permeable expanded polytetrafluoroethylene membranes and process for making them
11/29/1994US5369063 Molten metal filter medium and method for making same
11/29/1994US5368734 Triboelectric filtration material
11/25/1994CA2117134A1 Inflatable restraint system inflator emission treatment
11/24/1994DE4336100C1 Apparatus for separating off fluid ash
11/24/1994DE4305915A1 Regenerable filter
11/23/1994EP0625010A1 Low-fat edible pourable product and a process and a composition for preparing same
11/23/1994CN2183362Y Mineral, magnetic water-purifying device
11/23/1994CN1095362A Fibre filter pool with automatic regulating of density
11/23/1994CN1095308A Device and method for the depletion of the leukocyte content of blood and blood components
11/22/1994US5366812 Thermoplastic materials and article made therefrom
11/22/1994US5366797 Bonded yarn bundle, and textile sheet materials obtainable therefrom
11/22/1994US5366632 Layered composite; water treatment
11/22/1994US5366631 Composite, supported fluorocarbon media
11/22/1994US5366576 Method for producing tubular products from nonwoven fibers
11/22/1994US5366209 Filter for molten metal
11/17/1994EP0624390A1 Method for making a fiber fleece for a belt filter
11/16/1994CN1094988A Porous ceramic filter element and full ceramic purifying drinker
11/15/1994US5364821 Producing active carbon using microwave discharge
11/15/1994US5364586 Process for the production of porous membranes
11/15/1994US5364573 Process and apparatus for producing a filter in the form of a monolithic honeycomb body
11/15/1994US5364533 Filtration
11/15/1994US5364456 Air filter
11/10/1994WO1994025402A1 Process and apparatus for the treatment of waste water
11/09/1994EP0623941A2 Polymer electrets with improved charge stability
11/09/1994EP0623373A1 Method of producing a filter for a gas producer
11/09/1994CN2181984Y Filtering lining for drinking water purifier
11/08/1994US5362406 Leucocyte depleting filter device and method of use
11/08/1994CA1332920C Nonwoven filter material
11/02/1994EP0622101A1 Cylindrical filter and process for producing the same
11/02/1994EP0621917A1 Porous webs
11/01/1994US5360572 Aerogel mesh getter
11/01/1994US5360545 Separation of platelets from red blood cells
11/01/1994US5360544 Deproteinization filler and cartridge containing same
11/01/1994US5360232 Filtration in hybrid inflators
11/01/1994US5360023 Cigarette filter
10/1994
10/27/1994WO1994023915A1 Method and apparatus for producing tubular products from nonwoven fibers
10/27/1994WO1994023818A1 Filter element with expanded metal jacket
10/27/1994CA2120885A1 High efficiency air filtration media