| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 210493100 | Pleated | 61 |
| 20090127187 | CRYSTALLINE POLYMER MICROPOROUS FILM, MANUFACTURING METHOD OF THE SAME, AND FILTRATION FILTER - A crystalline polymer microporous film including: a plurality of pores penetrating through from a first surface to a second surface, wherein the average pore size of pores at the first surface is larger than the average pore size of pores at the second surface, the average pore size of pores in the crystalline microporous film continuously changes from the first surface toward the second surface, and an exposed surface of the crystalline polymer microporous film has hydrophilicity represented by a wettability index of 30 dyne/cm or more. | 05-21-2009 |
| 20090200227 | PLEATED FLUID TREATMENT ARRANGEMENTS AND METHODS FOR STABILIZING THE PLEATS - Pleated fluid treatment arrangements may comprise a stabilizing arrangement coupled between a support and some or all of the pleats. The stabilizing arrangement may include a plurality of projections, each projection extending through an opening in the support and into an open end of a pleat. Methods for stabilizing pleat legs may comprise inserting a projection of a stabilizing arrangement through an opening in a support and into an open end of a pleat. | 08-13-2009 |
| 20100059435 | CHEMICAL FILTER AND METHOD FOR PRODUCING THE SAME - A chemical filter obtained by fabricating a chemical filter material, the chemical filter material being a woven or nonwoven fabric formed from a hydroxyl group-containing organic fiber, the hydroxyl group-containing organic fiber containing cation exchange groups introduced by radiation graft polymerization, the chemical filter material having an ion-exchange capacity of 400 meq/m | 03-11-2010 |
| 20100078379 | PLEATED FILTRATION MEDIA, MEDIA PACKS, FILTER ELEMENTS, AND METHODS FOR FILTERING FLUIDS - Pleated filtration media, media packs, filter elements, and methods for filtering fluid are provided which contain three dimensional flutes in the media surface, the flutes configured to improve filter performance. In certain embodiments the flutes have defined peaks that reduce masking between adjacent pleats, the flutes have ridges along their length to modify flute cross sectional geometry, and/or the flutes provide for volume asymmetry across the media | 04-01-2010 |
| 20100181249 | Filter Having Melt-Blown and Electrospun Fibers - A multi-layer filter media including at least one layer of melt-blown fiber filter media and at least one layer of electrospun nanofiber filter media is provided. The multi-layer filter media of the present invention is configured such that the at least one layer of the melt-blown fiber filter media is on the upstream and the at least one electrospun nanofiber filter media is positioned downstream of the at lest one melt-blown fiber filter media. | 07-22-2010 |
| 20110062077 | Filter with EPTFE and Method of Forming - A filter media product and method of making the same wherein the filter media is pleatable and has at least one support scrim comprised of a melt bonded non-woven material or a fuse bonded non-woven material bonded to a layer of expanded polytetrafluoroethylene. The filter media may have a single support scrim with one or more layers and optionally may have a support scrim on both an upstream and downstream surface where both or neither support scrim is multilayered. The filter media may have an efficiency greater than, equal to, or less than HEPA. | 03-17-2011 |
| 20110120937 | FILTRATION FILTER AND METHOD FOR PRODUCING THE SAME - A filtration filter including a cartridge, which contains a crystalline polymer microporous membrane having a plurality of pores, where the average pore diameter of a first surface of the crystalline polymer microporous membrane is larger than that of a second surface thereof, and the average pore diameter of the crystalline polymer microporous membrane continuously changes from the first surface thereof to the second surface thereof, wherein at least part of the crystalline polymer microporous membrane forming the cartridge is subjected to surface modification after the crystalline polymer microporous membrane is formed into the cartridge. | 05-26-2011 |
| 20110174724 | Method and Apparatus for Precluding Telescoping in a Fluted Filter Device - A fluted filter element may include one or more bridging elements to provide resistance to telescoping of the layers of the fluted filter element. The bridging elements are attached to one or both of the filter faces via adhesives, and/or mechanical means, and may also take the form of one or more beads of adhesive applied across one or both ends of the filter element. The adhesive beads may include a flexible element, such as a string, or strip of material embedded in the adhesive bead. | 07-21-2011 |
| 20110186504 | PLEATED FILTRATION MEDIA HAVING TAPERED FLUTES - Pleated filtration media, media packs, filter elements, and methods for filtering fluid are provided which contain three dimensional tapered flutes in the media surface, the flutes configured to improve filter performance. In certain embodiments the flutes have defined peaks that reduce masking between adjacent pleats, the flutes have ridges along their length to modify flute cross sectional geometry, and/or the flutes provide for volume asymmetry across the media | 08-04-2011 |
| 20110272343 | EXTRACORPOREAL BLOOD FILTRATION - Apparatus and methods for extracorporeal blood filtration involving the connection of a patient's cardiovascular circulation to an extracorporeal circulatory circuit, and filtration devices suitable for use in such apparatus and methods are disclosed. Such filtration devices include a filter medium comprising a layer of non-woven fabric ( | 11-10-2011 |
| 20120118814 | Pleated Filter Element with Tapering Bend Lines - A pleated filter element extends axially between an upstream inlet and a downstream outlet along a plurality of axially extending bend lines forming axial flow channels. The bend lines taper in a transverse direction and define a plurality of axially elongated tetrahedron channels facing oppositely to each other. | 05-17-2012 |
| 20120261331 | EMBOSSED FLUID FILTER ELEMENT - A fluid filter element comprising: an embossed flat filter material which is folded so as to define a plurality of substantially adjacent walls, each wall defining a planar surface between two adjacent fold lines, said wall having an embossing comprising: a first embossing row having a centrally located elongated positive embossment and a distal embossment at each end of the positive elongated embossment, wherein at least one distal embossment is negative; and, a second embossing row spaced from and parallel to the first embossing row, the second embossing row having two elongated embossments, wherein one elongated embossment is negative and one is positive. A method regarding the making of the same. | 10-18-2012 |
| 20120312735 | MOULD TOOLS - An insert mould tool for moulding an annular moulded portion onto an insert such as a filter sheet of a filter cartridge comprises a plurality of mould pieces and means for applying pressure to the mould pieces. Each mould piece comprises complementarily shaped mating surfaces and can be assembled to define an annular mould cavity intersecting at least one mating surface for defining the shape of the moulded portion and an insert-receiving cavity for receiving a portion of the insert. The insert-receiving cavity comprises a sealing portion extending radially inwardly of the annular mould cavity for sealing receipt of a portion of the insert, the sealing portion being exerting a substantially evenly distributed pressure across an area thereof when pressure is applied to the mould pieces. Also disclosed is a method of insert moulding, and a filter cartridge. | 12-13-2012 |
| 20130284666 | PLEATED FILTER AND A METHOD FOR MANUFACTURING OF PLEATED FILTERS - The present invention relates to a method for manufacturing a pleated filter ( | 10-31-2013 |
| 20140131270 | FILTER ELEMENT - A filter element for use in cross-flow and dead-end filtration comprises a porous sheet material having a non-filtrate side and a filtrate side, said sheet material being arranged in a plurality of pleats extending in a longitudinal direction, each pleat having a first and second wall portion extending perpendicular to said longitudinal direction from a first, open end to a second, closed end of the pleats, the first and second wall portions being spaced apart from one another; and a non-filtrate fluid supply arrangement extending along the longitudinal direction of the pleats, wherein said fluid supply arrangement is in fluid communication with the first or second end of each pleat substantially along the whole length of the pleat, said fluid supply arrangement being provided with openings designed to provide a fluid flow from the supply arrangement into the pleats in a direction substantially perpendicular to the longitudinal direction thereof. | 05-15-2014 |
| 20140374339 | DRINKING WATER FILTRATION AND/OR PURIFICATION APPARATUS - An apparatus for filtering and/or purifying water preferably comprises a canister having filtration chamber formed therein and a matrix mounted in the filtration chamber for filtering and/or purifying water that passes through it. Shock absorbers preferably are provided for guarding against damage to the matrix if the apparatus is dropped. Preferably, the apparatus is provided with an inlet port to the filtration chamber, a first outlet port from the filtration chamber, and a second outlet port from the filtration chamber. Water may be pumped into the filtration chamber from the inlet port to wash away dirt and debris that may build up in the filtration chamber and then exit the filtration chamber with the dirt and debris via the second outlet port when open, thereby accomplishing removal of dirt and debris from the filtration chamber without having to backwash the apparatus for filtering and/or purifying water. | 12-25-2014 |
| 210493200 | Bonded end caps | 9 |
| 20080272048 | Filter cartridge media retention system - A filter cartridge comprises a pleat pack including filtration media for removing particulates from a particulate laden fluid stream moving in a first direction through the filtration media. The pleat pack is formed into a tubular configuration with a plurality of circumferentially spaced pleats. The filtration media is periodically subject to a cleaning fluid stream moving in a second direction opposite to the first direction. Potting material is at axially opposite end portions of the pleat pack to maintain the filtration media in the tubular configuration. A support tube is located on a first side of the pleat pack downstream of the filtration media in the first direction of fluid flow. A retention device limits movement of a portion of the filtration media when subjected to the periodic cleaning fluid stream. The retention device comprises a metal band and located on a second side of the filtration media opposite the first side. A rod is disposed in the potting material of at least one of the axial end portions of the pleat pack. The rod is fixed to the metal band to maintain the metal band in an axial position along the filtration media. | 11-06-2008 |
| 20100051537 | Filter Element with Glued-On Terminal Disk - A filter element ( | 03-04-2010 |
| 20120037561 | PLEATED FILTER MEDIUM - The invention relates to a pleated filter medium ( | 02-16-2012 |
| 20120234749 | Filter Element, Filter Device and Method for Producing a Filter Element - Filter element ( | 09-20-2012 |
| 20130199992 | FINE FIBER MEDIA LAYER - Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials. | 08-08-2013 |
| 20130264275 | FILTER CARTRIDGE FOR LIQUID FILTRATION; ASSEMBLY; AND, METHODS - A liquid filter cartridge is provided. Preferred seal arrangements are provided, to provide for preferred axial load conditions, with respect to one or more of the end caps of the cartridge. Some cartridge configurations provided include no core structure or outer liner structure therein, to support axial load. Assemblies using the cartridge, and methods of assembly and use, are provided. The liquid filter cartridge can be a serviceable cartridge, or it can be retained permanently in a housing. | 10-10-2013 |
| 20140284268 | Filter Element of a Fuel Filter and Method for Producing such a Filter Element - A filter element of a fuel filter for fuel has a filter medium of a tubular shape. An end member is seal-tightly connected to an end face of the filter medium. A support tube is arranged coaxial to the filter medium and has an end connected to the end member, wherein the support tube has a circumferential wall provided with passages allow fuel to pass through the support tube. A coalescing medium for coalescing water contained in the fuel is provided. A section of the coalescing medium is seal-tightly embedded in the end member. The section of the coalescing medium is supported by the filter medium and the support tube for shape stabilization of the coalescing member. | 09-25-2014 |
| 20150336033 | Filtration Article Containing A Filtration Material Having Twisted Pleats Therein - A filtration device having therein a pleated, twisted filtration material is provided. The filtration material has a generally cylindrical shape and includes a first end, a second end opposing the first end, and outwardly projecting pleats. The pleats have a non-linear orientation within the filtration device. The twisting of the filtration material moves the ends of the pleats a distance around the circumference of the filtration material from a first position (P | 11-26-2015 |
| 20160121242 | Filter Element and Method for Producing the Same - A filter element ( | 05-05-2016 |
| 210493400 | Spirally formed | 3 |
| 20090114590 | Winding Core Pressure Relief for Fluted Filter - A filter element including a winding core, a sheet of fluted filter media, a relief notch, and an adhesive. The winding core has a pair of ends spaced apart from each other and extending laterally between a pair of opposed sides. The sheet of fluted filter media is wound around the sides of the winding core. The relief notch is formed in one of the sides of the winding core. The adhesive is received at least partially in the relief notch and secures the fluted filter media to the winding core. A method of making a filter element with a winding core having relief notches is also disclosed. | 05-07-2009 |
| 20110297611 | FLUTED FILTER MEDIUM AND PROCESS FOR ITS MANUFACTURE - An approach to providing folded flute ends in z-filter media is provided. The approach generally involves providing an initial deformation in a flute or corrugation to form at least one foldable tip and then folding the at least one foldable tip over. Techniques for both supported deformation and unsupported deformation are provided. Preferred corrugated media having fold arrangements, filter constructions having such fold arrangements, and filter system using such filter constructions are provided. | 12-08-2011 |
| 20120223007 | TUBULAR MOLDED BODY CAPABLE OF FULL-WRAPPING MEMBRANE MODULE AND INDUSTRIAL FILTER ASSEMBLY USING THE SAME - The present invention relates to a tubular molded body capable of full-wrapping a membrane module, and an industrial filter assembly using the same. | 09-06-2012 |
| 210493500 | Filter element | 33 |
| 20090026129 | Filter element with sealing and method of producing the filter element - A filter element has a fold arrangement and a shaped seal extending about at least one section of a circumference of the fold arrangement. The shaped seal consists of a thixotropic sealing material or at least contains such a thixotropic sealing material. The thixotropic sealing material is thixotropic PUR or thixotropic silicone or a mixture of both. | 01-29-2009 |
| 20090152190 | Filter Element - The invention relates to a filter element comprising a filter material ( | 06-18-2009 |
| 20090159526 | CRYSTALLINE POLYMER MICROPOROUS MEMBRANE, METHOD FOR PRODUCING SAME, AND FILTER FOR FILTRATION - To provide a membrane capable of efficiently collecting fine particles for a long period of time, disclosed is a polytetrafluoroethylene microporous membrane wherein the mean pore size in the surface of the membrane is larger than the mean pore size in the back thereof and the mean pore size continuously changes from the surface toward the back. | 06-25-2009 |
| 20090200228 | Method for the Stabilization of Folded Filter Media and a Filter Medium Stabilized by Said Method - In a method for stabilizing folded filter media, a thread is coated with a hot melt adhesive to prepare a coated thread. The coated thread is wound in a plastic state about fold tips of a folded filter medium. The plastic state of the coated thread is maintained by applying heat. The heat is applied in the form of hot air, infrared radiation, or generated by microwaves. | 08-13-2009 |
| 20100224554 | Corrugated or pleated flat material - The invention relates to a corrugated or pleated flat material with a plurality of pleats or corrugations that run parallel to one another and successively define a pleat or corrugation peak and a pleat or corrugation valley, the peak and valley being connected to one another by way of a pleat or corrugation flank, wherein a fluid can flow through the flat material and the flat material has at least one deformable functional layer which rests on a supporting layer in the direction of throughflow of the fluid, said supporting layer comprising a supporting fabric, the functional layer allowing foreign substances to be removed from or delivered to the fluid. In order to develop the flat material in such a way that it has greater mechanical load-bearing capacity and lower resistance to throughflow, it is proposed according to the invention that the supporting fabric is deformable and comprises a twill weave. Furthermore, the use of a supporting fabric of this kind for providing support on the outflow side for a pleated or corrugated functional layer is proposed. | 09-09-2010 |
| 20110000845 | HIGH LOFT SPUNBONDED WEB - Herein are disclosed high loft spunbonded webs that are substantially free of crimped fibers and gap-formed fibers. The webs exhibit a solidity of from less than 8.0% to about 4.0% and a ratio of Effective Fiber Diameter to Actual Fiber Diameter of at least 1.40. Also disclosed are methods of making such webs. | 01-06-2011 |
| 20110000846 | CRYSTALLINE POLYMER MICROPOROUS MEMBRANE, METHOD FOR PRODUCING THE SAME, AND FILTRATION FILTER - A crystalline polymer microporous membrane, which contains: a microporous film formed of a crystalline polymer, which has a plurality of pores; and a hydrophilic polymer containing a hydroxyl group, which covers exposed surfaces of the microporous film, wherein the plurality of pores have a larger average pore diameter at a first surface of the film than the average pore diameter at a second surface of the film, and the average pore diameter of the pores continuously changes from the first surface to the second surface. | 01-06-2011 |
| 20110094958 | Filter Device for Filtration of a Fluid - A filter device for filtration of fluid has a filter element of a zigzag-folded filter medium that is flowed through in a radial direction of the filter element. An additive for functional change of fluid properties of the fluid to be filtered in the filter device is provided. The additive is applied circumferentially on the filter element onto outwardly positioned fold tips of the zigzag-folded filter medium of the filter element. | 04-28-2011 |
| 20110114554 | MULTI-COMPONENT FILTER MEDIA WITH NANOFIBER ATTACHMENT - A composite filter media is formed from electrospun fine fibers and a multi-component substrate filter media comprising at least two different materials, one of which is a low melt polymeric material, wherein the low melt polymeric material acts as a bonding agent. | 05-19-2011 |
| 20110120938 | CRYSTALLINE POLYMER MICROPOROUS MEMBRANE, METHOD FOR PRODUCING THE SAME, AND FILTERATION FILTER - A crystalline polymer microporous membrane containing a crystalline polymer microporous film containing a crystalline polymer, and having an asymmetric pore structure; fluorine alcohol covering at least part of an exposed surface of the crystalline polymer microporous film; and a crosslinking agent, wherein the fluorine alcohol is crosslinked with assistance of the crosslinking agent. | 05-26-2011 |
| 20110127212 | CRYSTALLINE POLYMER MICROPOROUS MEMBRANE, METHOD FOR PRODUCING THE SAME, AND FILTRATION FILTER - A crystalline polymer microporous membrane containing a crystalline polymer microporous film containing a crystalline polymer, and having an asymmetric pore structure; polyamine covering at least part of an exposed surface of the crystalline polymer microporous film; and a crosslinking agent, wherein the polyamine is crosslinked with assistance of the crosslinking agent. | 06-02-2011 |
| 20110226691 | FILTER DEVICE - A filter device is disclosed. The device includes at least one substantially flat filter media that may be encapsulated between non-permeable films. Some embodiments comprise ports for introducing a fluid to be filtered and for evacuating the filtered fluid. Various substrates may be employed therein in cooperation with the at least one filter media to enhance device performance. Also disclosed are various apparatuses configured to contain at least one filter device. | 09-22-2011 |
| 20120085696 | FILTER ELEMENT AND METHOD FOR ITS PRODUCTION - A filter element includes a pleated filter medium including pleat valleys and pleat walls. The filter medium has a base body including a first flank and a first plastic reinforcement joined to the first flank of the pleated filter medium and accommodating the pleat valleys and pleat walls of the filter medium. | 04-12-2012 |
| 20120223008 | Filter for Filtering Fluids - A filter includes a filter element ( | 09-06-2012 |
| 20120223009 | Filter for Filtering Fluids and Method for Producing the Same - A filter includes a filter element ( | 09-06-2012 |
| 20130008849 | Device for Folding a Web-Shaped Filter Medium and Method for Producing a Filter Element Folded in a Zigzag Shape - A device for folding a web-shaped filter medium of a filter element has an energy-introducing embossment unit and a feed device that feeds a web-shaped filter medium to the embossing unit where folding lines are embossed into the web-shaped filter medium. A folding device is provided that folds the web-shaped filter medium along the folding lines. The energy-introducing embossment unit is provided to fuse layers of the multi-layer filter medium along the folding lines during embossment of the folding lines. | 01-10-2013 |
| 20130062276 | FILTER AND FILTER MEDIA HAVING REDUCED RESTRICTION - A pleated filter media comprises a plurality of pleats comprised of pleat segments extending in an axial direction between first and second axial ends and extending in a transverse direction that is perpendicular to the axial direction between first and second sets of pleat tips at least partially defined by first and second sets of bend lines. Axial flow channels are defined between the pleat segments in the lateral direction and the plurality of pleats has a width in the transverse direction that varies along the axial direction. | 03-14-2013 |
| 20130062277 | Filter for Filtering Fluids - A filter includes a filter element ( | 03-14-2013 |
| 20130118974 | LIQUID FILTER ARRANGEMENT AND METHODS - A filter element includes filter media, first and second end caps, a latch arrangement projecting from the first end cap, a tubular neck extending from the first end cap and a valve head oriented within the first end cap aperture constructed and arranged to move between a position sealing the first end cap aperture and exposing the first end cap aperture. A filter assembly includes a filter element, as characterized herein, and including a filter base and a service cover. A method of servicing includes removing an old filter element, operably mounting a new filter element in a filter base including engaging a valve head against a spring member in the filter base, and operably mounting the service cover over the new filter element and filter base. A method of filtering includes directing liquid into a filter assembly, blocking a first end cap aperture by using a spring member in the filter base to urge the valve head against a rim of a tubular neck extending from the filter element, and directing liquid through the filter media to filter the liquid. | 05-16-2013 |
| 20130140227 | FILTER ELEMENT - A filter element ( | 06-06-2013 |
| 20140061120 | Process and materials for coiling z-filter media; and/or closing flutes of filter media; and, products - Approaches to providing z-filter media constructions are provided. Preferred corrugated media, filter constructions having such corrugated media, and filter systems using such filter constructions are provided. Also, preferred methods of forming filter constructions are provided. | 03-06-2014 |
| 20140083927 | FILTER ELEMENT AND SUPPORT BODY FOR SUCH A FILTER ELEMENT - A filter element for purifying a fluid at risk of freezing such as a urea-water solution for exhaust gas after treatment has an annular filter body and a support body surrounded by the filter body. The support body is made of an elastomer and is able to yield in a radial inward direction to compensate volume expansion when the fluid freezes. | 03-27-2014 |
| 20140319050 | WATER FILTER ASSEMBLY - A water filter assembly is provided. The water assembly includes a cylindrical filter media, a pair of caps mounted at opposite ends of the cylindrical filter media, and a support column positioned within the cylindrical filter media. Inner and outer diameters of the cylindrical filter media can be selected in order to improve filtering of the cylindrical filter media. Also, at least one cap of the pair of caps can define an outlet having a diameter less than the inner diameter of the cylindrical filter media. | 10-30-2014 |
| 20140332461 | Support Element - A support element, comprising a netting comprising a composition comprising a polyphenylene sulfide resin and at least one polyhedral oligimeric silsequioxane additive, is provided. | 11-13-2014 |
| 20140367325 | Method for Multi-Stage Expansion and Stretching of Film and Filter - This invention relates to a multi-stage stretching operation for production of expanded stretched porous polytetrafluoroethylene (ePTFE) fibrous materials with minimal node size and minimized filament sizes. A plurality of stretching or expansions may be implemented on the film including combinations of MDO and TDO stretches including at least two longitudinal stretches and at least one transverse stretch. Subsequent stretches occur at rates generally less than a prior similar longitudinal or transverse type of expansion. | 12-18-2014 |
| 20150053606 | NONWOVEN SHEET, PROCESS FOR PRODUCING THE SAME, AND FILTER - A nonwoven sheet contains a substrate layer formed from a fiber aggregate nonwoven structural member; the fiber aggregate nonwoven structural member containing a thermal adhesive fiber; the thermal adhesive fibers are melt-bonded to fix the fibers of the member. The average thickness of the substrate layer is adjusted to not less than 0.2 mm to less than 1 mm, and the thermal adhesive fibers are substantially uniformly melt-bonded in a surface direction of the substrate layer. The sheet may have a surface layer over at least one side of the substrate layer, the surface layer may contain a fiber aggregate nonwoven structural member having an apparent density higher than the apparent density of the substrate layer. The surface layer may comprise a layer formed by heat-pressing or may be formed from a meltblown nonwoven fabric. The thermal adhesive fiber may be substantially uniformly melt-bonded in a thickness direction of the substrate layer. The thermal adhesive fiber may contain an ethylene-vinyl alcohol-series copolymer; the copolymer may form a continuous area of a surface of the fiber. The sheet has an improved flexural rigidity, less deformation under a load, and an excellent formability, in spite of a small thickness thereof. | 02-26-2015 |
| 20150129487 | High performance polysulfones made from cycloaliphatic diols - A poly(arylethersulfone) polymer comprising recurring units derived from at least one aromatic dihalocompound comprising at least one —S(═O) | 05-14-2015 |
| 20150375142 | PLEATED FILTRATION MEDIA, MEDIA PACKS, FILTER ELEMENTS, AND METHODS FOR FILTERING FLUIDS - Pleated filtration media, media packs, filter elements, and methods for filtering fluid are provided which contain three dimensional flutes in the media surface, the flutes configured to improve filter performance. In certain embodiments the flutes have defined peaks that reduce masking between adjacent pleats, the flutes have ridges along their length to modify flute cross sectional geometry, and/or the flutes provide for volume asymmetry across the media. | 12-31-2015 |
| 20160016106 | Corrugated Filter Media with Modulated Corrugations - A filter media in which larger corrugations are impressed or embossed onto media that has been previously corrugated with standard corrugations. This construction greatly increases the beam strength of a resulting pleat that allows the channels to remain open during processing into the pleated media, and prevents buckling of the media during gathering on current pleating equipment. In addition, once the media is pleated, the larger corrugations or embossments, combined with the standard corrugations, create large channels for fluid flow from pleat tip to the base of the pleat. | 01-21-2016 |
| 20160051910 | FILTER ELEMENT - The invention concerns a filter element for fluids, in particular for hydraulic fluid, consisting of at least one foldable filter casing ( | 02-25-2016 |
| 20160082375 | DRY FORMED FILTERS AND METHODS OF MAKING THE SAME - The disclosure includes, in some embodiments, a filter element that includes a first porous outer layer formed from a nonwoven material, a second porous outer layer formed from a nonwoven material, and at least one inner porous layer formed from a high loft nonwoven material (or other suitable material) disposed between the first porous outer layer and the second porous outer layer. The high loft nonwoven material has a three dimensional matrix formed by entangled and bonded fibers that cooperate to form a plurality of three dimensional interstices between the fibers for maintaining an open and tortuous flow path for fluid to pass through. The filter element also includes filter aid particles dispersed in the interstices of the high loft nonwoven material. | 03-24-2016 |
| 20160144299 | PROFILED STRAINER BAR AND STRAINER MADE OF PROFILED STRAINER BARS - A profiled strainer bar has a base region and a head region. A straining slot or a straining gap is produced between flanks of the straining slot at the head region. Each flank at the head region has a radius with a common center on the upstream and downstream side. A strainer, preferably in the shape of a strainer basket, has straining slots or straining gaps formed between profiled strainer bars. The strainer bars have a geometry at the strainer bar base region with the geometry being adapted to receiving recesses of support elements and being received in the receiving recesses. The strainer bars are permanently secured to the receiving recesses. The strainer bars are profiled such that each flank on the head region of the strainer bar has a radius with a common center on the upstream and downstream side. | 05-26-2016 |
| 20160199757 | FILTER CARTRIDGE WITH ELLIPTICAL SHAPED PLEATS | 07-14-2016 |
