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| Number | Title | Issue Date |
| 8038013 | Liquid filtration media A liquid filter with a composite medium that has a nanoweb adjacent to and optionally bonded to a microporous membrane. The membrane is characterized by an LRV value of 3.7 at a rated particle size, and the nanoweb has a fractional filtration efficiency of greater t... | 10/18/2011 |
| 7950527 | Helical internal support structure for intake screens A method and apparatus for supporting a screen. The apparatus comprising a cylindrical screen for submerging in a fluid, the screen having an inlet pipe for connecting to a piping system, filter members, a first end, a second and a support structure. The support str... | 05/31/2011 |
| 7562778 | Composite porous membrane and method for producing the same An object of the present invention is to provide a composite porous membrane, which has not only excellent filtration capacity, but also excellent adhesion between a porous membrane and a braid and mechanical properties, and a method for producing the composite poro... | 07/21/2009 |
| 7520392 | Support structure for holding filter medium A liquid filter element frame (7) is provided comprising an elongate injection moulded body, conveniently composed of a series of collinear injection moulded units (13). The frame has a plurality of support ribs (14) radiating from a central axi... | 04/21/2009 |
| 7422119 | Cylindrical element with sloping fins for filtering element and corresponding filtering assembly The invention concerns the designing and production of filtering assemblies used for filtering liquids circulating in engines or hydraulic equipment. The invention is characterized in that a cylindrical element designed to support a filtering cartridge in a filterin... | 09/09/2008 |
| 7410066 | Filter for selectively eliminating leukocytes It is intended to provide a filter for selectively removing leukocytes whereby leukocytes can be selectively and efficiently removed without worsening in the performance due to sterilization while causing little elution and minimizing loss in platelets. Namely, a fi... | 08/12/2008 |
| 7407058 | Filter element for filtering fluids A filter element for filtering fluids has at least one filter unit (12, 14, 16) that is disposed concentrically around the axis of the element. The unit is supported on at least one supporting element (24, 26, 30) in the direction of the flow of the fl... | 08/05/2008 |
| 7353956 | Blood collection systems including a flexible filter Blood collection systems include an integral flexible filter to remove leukocytes from blood components. ... | 04/08/2008 |
| 7351332 | Chromatography cartridge and method for manufacturing a chromatography cartridge A chromatography cartridge and method of manufacturing same. A chromatography cartridge of the present invention can include a tubular housing having an open end and an inner surface, and a plug. The plug can be positioned within the open end of the tubular housing ... | 04/01/2008 |
| 7323033 | Nanostructured surfaces having variable permeability A nanostructured substrate is disclosed having a plurality of substrate openings disposed between the nanostructures on the substrate. When a desired fluid comes into contact with the substrate, at least a portion of the fluid is allowed to pass through at least one... | 01/29/2008 |
| 7311832 | Adsorption membranes, method of producing same and equipment, including the adsorption membranes The present invention relates to adsorption membranes comprising microporous polymer membranes in which adsorbent particles are incorporated. Furthermore, the present invention relates to a method of producing the inventive adsorption membranes as well as devices wh... | 12/25/2007 |
| 7309428 | Apparatus for separating components from blood plasma The present invention relates to a process and apparatus for separating blood plasma, having a mixing unit in the form of a first injection having a first connecting tube and a first piston to provide a compartment for a mixture composed of plasma to be separated an... | 12/18/2007 |
| 7306105 | Composite porous membrane and method for producing the same An object of the present invention is to provide a composite porous membrane, which has not only excellent filtration capacity, but also excellent adhesion between a porous membrane and a braid and mechanical properties, and a method for producing the composite poro... | 12/11/2007 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7303083 | Easy moulding filter element support tube A filter element support tube has a pair of axially extending spines and first and second sets of oppositely laterally extending half-rings axially offset from each other. The support tube is efficiently manufacturable, and desirably provides a constant diameter alo... | 12/04/2007 |
| 7293661 | Filtration media comprising granules of binder-agglomerated active component Granules comprise binder-agglomerated active particles for liquid treatment or filtration. Each granule has a center core of a material that itself has binding properties without the addition of other binders or sprays or adhesives, or, alternatively, each granule c... | 11/13/2007 |
| 7288199 | Ceramic filter and method for purifying water A ceramic filter is provided including a substrate, a separation layer comprising titania and having an average pore size in a range of 0.08 to 1 μm and a thickness in a range of 5 to 20 μm, and an intermediate layer formed between the substrate and the separation... | 10/30/2007 |
| 7284493 | Easy-to-open sheet package body A sheet package body P has a first package body 1 and a second package body 2. The first package body 1 is disposed on the second package body 2 by overlapping in part, said overlapped portion L is set in a double chain stitch sewing mach... | 10/23/2007 |
| 7279095 | Fuel supply device Fuel supply device (10) may comprise fuel pump (20) and suction filter (40) attached to a fuel intake port (36) of fuel pump (20). Suction filter (40) may have a sheet-shaped filter body (38) and an attaching member (... | 10/09/2007 |
| 7276157 | Swimming pool strainer A swimming pool strainer formed of a substantially U-shaped housing including an end panel with a pair of spaced side panels perpendicularly extending therefrom. Positioned between the side panels are a plurality of spacer dowels that enhance the structural integrit... | 10/02/2007 |
| 7270747 | Storm water drain system An in-line storm water drain system and a filter basket for a storm water drain system are provided in which the storm water drain system has a housing having an inlet and outlet thereinto and interior walls forming a plurality of chambers therein. The filter basket... | 09/18/2007 |
| 7264724 | Fluid path control element for fluid processing module A fluid path control element which when stacked alternatively with a fluid porous sheet can be formed into a filtration module. The fluid path control element comprises a porous membrane having sealed to a portion of its periphery a thermoplastic element that extend... | 09/04/2007 |
| 7226540 | MEMS filter module Various MEMS filter elements or modules are disclosed. One such MEMS filter module (34) includes a first film (70) and a second film (46) that are spaced and interconnected by a plurality of supports (78). A plurality of first flow ports ... | 06/05/2007 |
| 7226726 | Aqueous surfactant solution for developing coating film layer The developer of the present invention is used in a method where a water-soluble resin coating layer is applied on a resist pattern formed by the conventional method, and the coating layer is crosslinked by an acid supplied from the resist, and the uncrosslinked are... | 06/05/2007 |
| 7226541 | Membrane polymer compositions The invention relates to a terpolymer of tetrafluoroethylene (TFE) monomer, polyvinylidene fluoride (PVDF) monomer and hexafluoropropylene (HFP) monomer for forming an ultrafiltration or microfiltration membrane, method of forming said membranes, and to the ultrafil... | 06/05/2007 |
| 7223342 | Adsorption membranes, method of producing same and equipment, including the adsorption membranes The present invention relates to adsorption membranes, comprising microporous polymer membranes into which are incorporated porous silicon dioxide particles modified with hydrocarbon ligands having 2 to 24 carbon atoms as adsorbent particles. Furthermore, the presen... | 05/29/2007 |
| 7223340 | Hollow fibre restraining system A restraining system for hollow fibers is provided. The restraining system includes a plurality of longitudinally extending elements spaced from one another and supported by a number of discrete spacer elements, each spacer element extending generally transverse of ... | 05/29/2007 |
| 7211210 | Dry fibrillated PTFE film and its method of manufacture A finished PTFE film is produced by first preparing an extruded, dried, unsintered and unexpanded PTFE feed film, and then reducing the thickness of the feed film by more than 20% by passing it with back tension through a roll nip. ... | 05/01/2007 |
| 7210585 | Edge filter assembly An edge filter assembly is disclosed. The edge filter assembly may include a housing having an inlet and an outlet. The edge filter assembly may further include a filter element disposed within the housing including first and second filter plates and first and secon... | 05/01/2007 |
| 7208081 | Gutter foam filter The gutter foam filter elements are generally triangular, four-foot lengths of flexible plastic open-cell foam material placed in and extending the full length of a conventional “K” type or similar roof gutter. The foam filter elements may be inserted within the... | 04/24/2007 |
| 7174636 | Method of making an embolic filter Embolic protection filters and methods of making and using such devices are disclosed. An illustrative method of making a device for filtering embolic debris from a body may include the steps of molding a filter assembly that includes a distal tip and a filter porti... | 02/13/2007 |
| 7156240 | Filter for processing blood and process for producing the same A filter for reducing leukocytes and platelets from an erythrocyte preparation or a whole blood preparation which is characterized by having a filter base coated with a polymer, the content of the polymer being from 0.5 to 10 mg/m2 per unit area of the to... | 01/02/2007 |
| 7153424 | Apparatus for purifying water An apparatus for purifying water, that includes a frame, in connection with which is arranged a primary space for water to be filtered, secondary space for filtered water and a filter. The filter is arranged to filter water, that is driven by gravity from the primar... | 12/26/2006 |
| 7140497 | Selective deleukocytation unit for a platelet product The invention includes a filtration unit for the selective deleukocytation of a fluid containing blood platelets such as blood or a blood component. The unit includes a medium for deleukocytation by adsorption and/or filtration of the leukocytes. The medium is forme... | 11/28/2006 |
| 7138058 | Acid stable membranes for nanofiltration Semi-permeable membranes are described that allow for the efficient processing of many liquid based feed solutions, particularly those that contain acids. The membranes of this invention are able to process such feeds with high permeate rates while maintaining excel... | 11/21/2006 |
| 7128772 | Filter assembly, process for producing the filter assembly and filter body having the filter assembly A filter assembly through which a fluid can flow and a method for the production thereof are provided. The filter assembly includes at least one covering layer made of an at least partially porous material with at least one boundary region and includes at least one ... | 10/31/2006 |
| 7125490 | Porous filter A filter has a longitudinal axis with an inner diameter defined by a hollow longitudinally extending center. The filter has fingers extend radially outwardly arcuately from the longitudinal axis. The fingers have base ends near the longitudinal axis and outer edges ... | 10/24/2006 |
| 7108139 | Plastic extruded center tube profile and method of manufacture A filter for a fluid system includes a housing having an interior cavity. A filter media is disposed in the housing and defines a central opening. A center tube is arranged within the central opening and includes a plurality of helical fins extending radially outwar... | 09/19/2006 |
| 7104406 | Micro-filter for filtering blood cells A micro-filter for filtering blood cells has a plurality of filtering channel structures, each having a first through hole and a first concave portion connecting to each other, and a plurality of through channel structures respectively connect to the filtering chann... | 09/12/2006 |
| 7098296 | Preparation of polymeric aryl sulfonamide A method of preparing a polymeric aryl sulfonamide is described which consists of reacting aryl sulfonyl with a polymeric amine in the presence of an acid acceptor. Also, another method of preparing a polymeric aryl sulfonamide is disclosed and consists of: reacting... | 08/29/2006 |
