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| Number | Title | Issue Date |
| 7322119 | Beaded jewelry mandrel and method of jewelry assembly A method for making beaded jewelry is provided. The method utilizes a megaphone shaped device having a small diameter first end and a larger diameter second end. The circumference of the first end is that of one part of the human body, such as a child's wrist. The c... | 01/29/2008 |
| 7314497 | Filter medium and structure Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units. Such filter units can be placed in the stream of a mobile f... | 01/01/2008 |
| 7309372 | Filter medium and structure Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units. Such filter units can be placed in the stream of a mobile f... | 12/18/2007 |
| 7297271 | Titanium powder sintered compact Provided are a porous sintered compact suitable for a filter, a power feeder in a polymer electrolyte membrane type water electrolyzer, a current collector in a solid polymer fuel cell and in addition a liquid dispersion plate, especially an ink dispersion plate for... | 11/20/2007 |
| 7255722 | Gas filter A filtration portion 11 constituting a filter element 3 is composed of a first filtration material 9 wound around the outer periphery of an inner tube 8 and a second filtration material 10 wound tightly around the outer peripheral ... | 08/14/2007 |
| 6739460 | Non-contaminating paint strainer A non-contaminating paint strainer is comprised of a conical receptacle having a conical tapering side wall. The side wall has an inner surface and an outer surface. The conical receptacle defines a lower filtration portion having an aperture provided with reinforci... | 05/25/2004 |
| 6722508 | Removable cartridge assembly for filtering bi-directional axial flow and radial flow and method of making same A one-piece filter cartridge is formed by inserting an open ended cylindrical screen and an end screen for the cylindrical screen in a mold and overmolding with engineered resinous material to form spaced annular and axial support ribs for the screen material. The c... | 04/20/2004 |
| 6662955 | Beverage ingredient filter and assembly A beverage ingredient filter (10) having a relatively inwardly located, filtering, inner section (12) of the beverage ingredient filter (10) made of water permeable filter paper (11) and a relatively outwardly located, water impervious and nonfiltering ou... | 12/16/2003 |
| 6047834 | Process for the manufacture of a sifting device with slit-shaped openings and an appropriately manufactured sifting device Process for manufacturing a sifting device (or strainer baskets) for use in, e.g., in the paper industry for sorting and/or filtering fiber pulp suspensions. Sorter slits may be created between a plurality of substantially parallel rods inserted into resp... | 04/11/2000 |
| 5980744 | Beaded center tube A perforated metal center tube is provided for use within an oil, fuel, or hydraulic filter. The tube is fabricated from a perforated metallic sheet formed into a cylinder in which opposite edges thereof are mutually engaged with one another to form a lon... | 11/09/1999 |
| 5873999 | Sieving and filtration screen A sieving screen or filtration screen, and processes for producing the same, featuring the use of a flexible, chemical resistant, intermittent, polymeric coating as an edging material and/or for providing indicia for identification purposes to show, for e... | 02/23/1999 |
| 5804128 | Cylindrical filter and process for producing the same A cylindrical filter formed of stacked microfine, conjugate fibers consisting of a higher melting point component and a lower melting point component, the fiber diameter of the conjugate fibers being varied into a smaller one in the thickness direction of... | 09/08/1998 |
| 5770077 | Laminated filter material A laminated filter material may be used in seamless filter bags in order to increase the strength and filtering ability of a pressurized filter system.... | 06/23/1998 |
| 5744036 | Pleated filter arrangement A pleated filter medium arrangement including a sheet of pleated porous filtering media nestingly engaged between adjacent pleats by a pleated sheet of thermobondable plastic screening with preselected facing opposite portions of the screening being heat ... | 04/28/1998 |
| 5741421 | Filter device A filter device with a preferably hollow-cylindrical, pleated filter element which is arranged concentrically around a cylinder axis and through which a medium to be filtered passes. Seals are necessary on the filter device so that the medium to be filter... | 04/21/1998 |
| 5736042 | Conical filter having bonded end flaps Primarily a pair of substantially fan-shaped filter sheets are laid one upon another and bonded to each other at least in the proximity of their side edges to obtain a basic filter 4 adapted to form a bag having a circular opening as arc-shaped outer edge... | 04/07/1998 |
| 5733452 | Filter and end cap assembly including a porous layer for sealing with a potting material and method for making the assembly A filter assembly is formed by fixing a porous layer to an end cap and sealing the end cap to a filter pack with a potting material. The potting material flows down, around and under the porous layer resulting in a robust mechanical seal upon curing.... | 03/31/1998 |
| 5688588 | Water purification device A drinking straw that purifies water by forced movement of water through the straw. The straw is composed of: 1) a filter plug made of a fibrous structure, the filter plug having sides, a first end, a second end, and a firmness sufficient to avoid collaps... | 11/18/1997 |
| 5679251 | Wound oil filter A diesel engine secondary oil filter is formed from a punched tinned steel spiral lock seam center tube, with a flanged cap at one end and a flanged threaded outlet at the other end. A layer of polyester non-woven media is wrapped in one wind around the c... | 10/21/1997 |
| 5674393 | Oil filter A filtering device comprising a cylindrical housing having an upper open end and a lower closed end, an outer annular pleated filter element located within the housing adjacent the wall of the housing and an inner pleated filter element mounted concentric... | 10/07/1997 |
| 5670044 | Cylindrical filter and process for producing the same A cylindrical filter formed of stacked microfine, conjugate fibers consisting of a higher melting point component and a lower melting point component, the fiber diameter of the conjugate fibers being varied into a smaller one in the thickness direction of... | 09/23/1997 |
| 5639369 | Filter element A support element is provided for a tubular filter device having an oversized filter sock. The support element provides relief portions within which excess filter media of the filter sock enters, during use of the tubular filter device, to eliminate detri... | 06/17/1997 |
| 5616242 | Two stage bottle filter for the removal of sediment The present invention is drawn to an apparatus for filtering sediment from beverages, especially port and other fine wines, comprising a cork or stopper member having a central aperture; a tube disposed through said central aperture of said cork or stoppe... | 04/01/1997 |
| 5605625 | Filter assembly A filter assembly includes a disposable filter element and a reusable perforated supporting core, the filter element being removably mounted around the perforated core. The filter assembly may include first and second end caps and each end cap may include... | 02/25/1997 |
| 5599449 | Tubular elastic frame with a continuous slot spanned by a filter material The invention relates to a cylindrical filter element, which has a longitudinal slot in order to be able to expand the filter element elastically for the purpose of fitting in a circumferential groove. To prevent any fluid from being able to pass unfilter... | 02/04/1997 |
| 5593587 | Cell strainer A cell strainer to be equipped at the top of a tube for removing impurities, such as supporting tissues, speculae, etc. from a suspension of cells or tissues comprising: a) a flange to be held by the upper opening of said tube, b) a grip externally projecting ... | 01/14/1997 |
| 5589067 | Expanded metal filter support structure A generally planar expanded metal filter media support structure is provided. The filter media support structure includes a first row of perforations mutually separated, one from another, by a perforation distance along a first axis parallel to the plane ... | 12/31/1996 |
| 5549826 | Filtration bag A fluid filtration bag includes an outer porous fabric sleeve, and inner porous fabric liner, and a coherent filler material between the sleeve and liner. The filler material can act as the ancillary filtering media, while the sleeve and liner can act as ... | 08/27/1996 |
| 5509666 | Protected seal assembly and protective filter unit therefor A protective filter unit for use with a fluid seal assembly. The filter unit includes a screen positioning unit and a filter screen extending inwardly of portions of the positioning unit and terminating in an inner screen edge spaced just apart by a worki... | 04/23/1996 |
| 5482622 | Filter for installation in an annular groove A fluid filter for a solenoid which includes a flexible filter element and two plastic tips for installation in an annular groove. The plastic tips are arcuate shaped to fit tightly against the outside diameter of the annular groove when the flexible filt... | 01/09/1996 |
| 5476585 | Removably mounted hollow filter element and core A filter assembly includes a disposable filter element and a reusable perforated supporting core, the filter element being removably mounted around the perforated core. The filter assembly may include first and second end caps and each end cap may include... | 12/19/1995 |
| 5468382 | Depth filter media A porous filter medium is formed by a pleated cylinder of a depth filter medium. An absolute rated inner filtration layer is arranged between upstream and downstream drainage layers. The depth filter medium is formed from a continuous sleeve. Additionally... | 11/21/1995 |
| 5460721 | Helical wound tube A helically wound tube made of at least two sheets of preperforated flat roll paper material. Each sheet is helically wound in edge abutting relation such that one longitudinal edge of the sheet abuts the other longitudinal edge of the sheet to form a rid... | 10/24/1995 |
| 5456475 | Protected seal assembly and protective filter unit therefor A protective filter unit for use with a fluid seal assembly. The filter unit includes a screen positioning unit and a filter screen extending inwardly of portions of the positioning unit and terminating in an inner screen edge spaced just apart by a worki... | 10/10/1995 |
| 5456833 | Ceramic foam filter having a protective sleeve There is provided a composite ceramic foam filter having an outer edge which is surrounded by a protective sleeve, with the outer edge of the filter being bonded to the inner surface of the sleeve. The composite is preferably made by forming a ceramic sle... | 10/10/1995 |
| 5429745 | Cylindrical filter formed of stacked fibers having a high and low melting point component A cylindrical filter formed of stacked microfine, conjugate fibers consisting of a higher melting point component and a lower melting point component, the fiber diameter of the conjugate fibers being varied into a smaller one in the thickness direction of... | 07/04/1995 |
| 5417860 | Bottle filter and pouring device A liquid filter device for use with bottles holding wine or other liquids, for use in filtering cork or other sediments from the liquid while pouring the liquid out of the bottle, comprising a generally tubular body which may be inserted into the neck of ... | 05/23/1995 |
| 5401409 | Tubular knitted filter cover and process for preventing runs At both ends of a filter cover (6), respectively in the fastening area of the filter cover on draining element (1), bondings or settings (12, 14, 15, 16, 17, 18, 19, 10, 21) of stitches (10) are applied, which are interrupted in one or more of first rows ... | 03/28/1995 |
| 5393425 | Irrigation system lateral pickup pipe strainer An upstanding tubular strainer is provided including inlet and outlet end portions delimited by a longitudinally central radially outwardly projecting diametrically enlarged shoulder. The inlet end portion is provided with elongated, longitudinally extend... | 02/28/1995 |
| 5384046 | Screen element A screen element or screen basket for sorting and classifying a fluid flow, in particular for treatment of fiber suspensions or for mechanical purification of molasses, includes a screen insert having a support screen for taking up forces or loads during ... | 01/24/1995 |
