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9038830 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...
8973761 Method and mold for making a pleated filter cartridge  
Disclosed in this specification is a method for making a pleated filter cartridge by placing a pleated filter on a mold and adding a polymerizable potting compound to the inner cavity of the...
8900339 Filters, systems and methods for reducing can velocity  
Certain embodiments of the invention may include filters, systems, and methods for reducing can velocity. According to an example embodiment, a filter is provided for filtering particles from air...
8888885 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...
8857628 Filter for separating two liquids or liquid constituents from a gas  
A filter including a housing for receiving a filter medium and a filter medium received therein. In a lower region of the filter there is a discharge opening for discharging liquid from the...
8840791 Multilayer microfiltration membrane  
A microfiltration membrane comprising (a) an asymmetric layer, (b) an isometric layer, and (c) an interface layer between the asymmetric layer and the isometric layer, the interface layer having a...
8827084 Filter element of a liquid filter and a liquid filter  
A filter element for a liquid filter is arranged in the liquid filter housing that has at least two housing parts such that an inlet of the housing for liquid to be filtered is separated from an...
8820541 Method for producing curable composition for imprints  
A method for producing a curable composition for imprints includes the step of passing a curable composition containing a polymerizable monomer (A) and a polymerization initiator (B) through a...
8789708 Atmospheric pressure microwave plasma treated porous membranes  
Versions of the invention include compositions and methods for making them that include a polymeric porous membrane with one or more atmospheric pressure microwave plasma modified surfaces. The...
8784542 Nanofibre membrane layer for water and air filtration  
The invention relates to a nanofiber membrane layer having a basis weight of 0.01-50 g/m2 and a porosity of 60-95%, comprising a nanoweb made of polymeric nanofibers with a number average diameter...
8757394 Filter element, filter device and method for producing a filter element  
A filter element (1) has first and second end sections (3A, 3B) of a flat filter medium which are secured to one another. A sheathing (4) is provided, wherein said sheathing is compressed by the...
8746462 Filter for filtering fluids  
A filter includes a filter element (1) having a filter medium (106) pleated in a zigzag manner, with a raw side (105) and a clean side (104). Filter medium sections (120) extend on either side of...
8741018 Filter cartridge with centerboard, dust collectors, and methods  
An air filter cartridge is provided including an air filter media construction having a first, outlet end, flow face and an opposite, second, inlet end, flow face. The filter media construction...
8739976 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...
8696894 Filter element and fuel filter  
The invention concerns a filter element (1), in particular of a fuel filter for motor vehicles. The filter element (1) is received in a filter housing (2) and comprises a filter body (3) with a...
8691085 Oil filtering device  
The present invention relates to a filtering device, which comprises a base plate (12) having a threaded center hole (122); a filter housing (11) having a cap-shaped body coupleable to the base...
8678201 Aircraft potable water system  
A potable water system (10) comprises a supply line (18) and a water-purification device (20) incorporated thereinto. The water-purification device (20) comprises a microorganism filter (40)...
8651283 Mesh screen assembly with reduced pull-out  
A mesh screen, for example for filtration wheels used in water treatment, provides a set of pleated filter elements assembled by in-molding the mesh into stringers subdividing a frame. Retention...
8590712 Modular filter elements for use in a filter-in-filter cartridge  
Disclosed are modular filter-in-filter elements, namely an outer filter element and an inner filter element which may be assembled to form a filter cartridge for use in separation methods and...
8584868 Filter medium and filter element  
A filter medium for removing particles from a fluid flow has a pre-filter layer and a fine-filter layer joined to each other in the flow direction. A first supporting layer is attached to the...
8545589 Filtration media pack, filter element, and methods  
A filtration media pack is provided having a plurality of layers of single facer media. The layer of single facer media includes a fluted sheet, a facing sheet, and a plurality of flutes extending...
8544657 Apparatus and method for removing contaminants from industrial fluids  
A filter system for removing contaminants from oil based industrial liquids and the like includes a support tube with a permeable sidewall through which the industrial liquid flows in an inside...
8535519 Filter element and fuel filter  
The invention concerns a filter element (1), in particular of a fuel filter for motor vehicles. The filter element (1) is provided for exchangeable use in a filter housing (2) and comprises a...
8524075 Backwashing fluid filter assembly  
A fluid pressure vessel has a filter cartridge with spaced headers positioning cylindrical pleated filter media. The headers form an inlet chamber communicating with the inlet upstream side of the...
8524081 Separation modules including media for separating water-hydrocarbon emulsions having low interfacial tensions  
Separation media, separation modules and methods are provided for separating water from a water and hydrocarbon emulsion and include a fibrous nonwoven coalescence layer for receiving the water...
8517185 Two stage fuel water separator and particulate filter utilizing pleated nanofiber filter material  
A water separator and particulate filter with a first or outer stage configured to coalesce water from fluid such as fuel, and a second or inner stage configured to separate coalesced water from...
8512569 Fluid filtration articles and methods of making and using the same  
Fluid filtration articles, including composite nonwoven fibrous webs, and methods of making and using such articles as gas or liquid filtration elements. The articles include a population of...
8511481 Liquid filter, in particular an oil filter  
A liquid filter with a filter housing (9) with a filter element (8, 108, 208) arranged within. Within the filter element (8, 108, 208) a standpipe (3, 103, 203) is arranged. This standpipe is...
8506667 Filters and methods for imparting structural support to pleated filter media  
Certain embodiments of the invention may include filters and methods for imparting structural support to a pleated filter material. According to an example embodiment, the method includes forming...
8479924 Filter for filtering fluids and method for producing the same  
A filter includes a filter element (1) having a filter medium (106) pleated in a zigzag manner, with a raw side (105) and a clean side (104). Filter medium sections (120), which extend on either...
8453848 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...
8454829 Spiral crossflow filter  
The present disclosure describes a spiral cross-flow filter. The spiral cross-flow filter includes a filter element having a continuous web of leaves formed by pleating a laminate filter element....
8439204 Reusable drop-in engine oil filters  
A drop-in oil filter having top and bottom caps having annular recesses on facingly disposed surfaces adjacent their outer periphery, a pleated, woven metal cylindrical filter element having an...
8424686 Method and apparatus for reinforcing a tubular-shaped sealing collar extending from a filter apparatus  
A method and apparatus for reinforcing a tubular-shaped sealing collar, extending from a filter cartridge are provided, by embedding, or substantially encapsulating, a reinforcement element within...
8419934 Filter  
A filter assembly includes an outer filter assembly, the outer filter assembly including an outer filter layer of pleated polyester fabric arranged in a hollow cylindrical shape and first and...
8397920 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...
8361182 Filter cartridge with centerboard, dust collectors, and methods  
An air filter cartridge is provided including an air filter media construction having a first, outlet end, flow face and an opposite, second, inlet end, flow face. The filter media construction...
8328022 Filter for filtering fluids  
A filter includes a filter element (1) having a filter medium (106) pleated in a zigzag manner, with a raw side (105) and a clean side. On the raw side (105) and/or on the clean side of the filter...
8251231 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...
8215493 Membrane treatment apparatus  
A membrane treatment apparatus includes a filtration membrane 10 filtering raw water existing in an external environment 100 by applying pressure thereto and a treated water outlet 11 from which...
8206583 Electrically conductive fluid treatment elements  
Fluid treatment elements substantially inhibit electrical charge imbalances and/or build-ups of electrical charges. A fluid treatment element may comprise a multilayer composite including an...
8206482 Vacuum appliance filter assemblies and associated vacuum systems  
Vacuum cleaner filters, in particular replaceable vacuum cleaner filters suitable for both dry and wet/dry type vacuum cleaners are disclosed, as well as systems incorporating the use of such...
8206584 Electrically conductive fluid treatment elements  
Fluid treatment elements substantially inhibit electrical charge imbalances and/or build-ups of electrical charges. A fluid treatment element may comprise a multilayer composite including an...
8187474 Water-filtering media and filters  
In at least some embodiments, a system for removing contaminants from fluids includes a fluid inlet and a fluid outlet. The system also includes a fluid pump between the fluid inlet and the fluid...
8177976 Liquid filter assembly, components; and methods  
A liquid filter assembly is provided. The preferred assembly includes a serviceable filter cartridge having a primary filter section and a secondary or bypass filter section. The preferred...
8172092 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...
8167142 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...
8168066 Quick-drain filter  
An apparatus, system, and method for a quick-drain filter includes a filter housing, a clean fluid passage disposed axially in the housing, and a service drain passage disposed at an axial end of...
8162152 Blood filter device and method of manufacturing the same  
A blood filter device includes: a housing that includes a dome 2 provided with a blood inlet, a filter retaining portion 3 that is positioned below the dome, and a bottom portion 4 provided with a...
8151998 Crystalline polymer microporous membrane, method for producing the same, and filter for filtration  
To provide a crystalline polymer microporous membrane including: a microstructure on the side of one surface of the membrane, the microstructure being composed of series of nodules interconnected...