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Match Document Document Title
9028692 High flow disc filter  
A filter device is configured to filter a liquid. The filter device includes a drum sized to receive the liquid and a plurality of filter panels coupled to the drum to define a plurality of discs....
9023208 Disc filter  
A filter device having a vent device for inhibiting formation of a vacuum in the filter device. The filter device includes a drum for receiving the liquid wherein the drum includes a drum...
8979964 Efficiency-improved multiple bellows filter  
Filter element or air filter in the configuration of a multiple bellows filter with an increased efficiency for use in internal combustion engines, wherein a folded filter bellows is arranged...
8932465 Filter cartridge having a filter within a filter, and an endplate sealing structure on an outer filter element  
A filter within a filter cartridge design is described that includes a sealing structure on an endplate of an outer filter element. Generally, the sealing structure includes an annular flange on...
8911523 Water separating container for a motor vehicle  
A water separating container for a motor vehicle is provided. An air stream sucked in from outside the vehicle passes through the water separating container, which separates water present in the...
8911633 Fluid treatment elements and fluid treatment arrangements with posts and/or bands between fluid treatment elements and methods for making and using them  
Fluid treatment arrangements and elements and methods for making and using fluid treatment arrangements are disclosed. A ribbon including a permeable fluid treatment medium may be spirally wound...
8875904 Circular filtering disc and filter device having the same  
A circular filtering disc and a filter device having the filtering disc. The filtering disc includes a circular partition plate having an inner hub and an outer rim, with radial inlet holes formed...
8851295 Filter device  
A filter device for filtering fluid, in particular an oil filter, is provided. The filter device includes a first filter medium and a second filter medium, the first filter medium having a greater...
8808542 Disc filter  
A filter device having a vent device for inhibiting formation of a vacuum in the filter device. The filter device includes a drum for receiving the liquid wherein the drum includes a drum...
8801929 Trash tolerant filter support for a disc filter  
A filter device for filtering a liquid which includes trash. The device includes a drum for receiving the liquid and trash, wherein the drum includes at least one drum aperture. The device further...
8728317 Device suitable for treating a fluid, as well as a method suitable for manufacturing such a device  
A device which is suitable for treating a fluid comprises an elongated foil formed of a plurality of foil layers arranged in zigzag fashion, wherein a first foil layer is connected to a second...
8696906 Involute cartridge filter system  
A fluid filter system including a filter housing having an inlet chamber that surrounds the inner chamber that houses the filter cartridges. The filter cartridges are positioned in an involute...
8640884 Fluid treatment elements and fluid treatment arrangements with spaces between fluid treatment elements and methods for making and using them  
Fluid treatment arrangements and methods for making and using fluid treatment arrangements are disclosed. A ribbon including a permeable fluid treatment medium may be spirally wound in a plurality...
8640885 Fluid treatment arrangements with sets of fluid treatment elements and methods for making and using them  
Fluid treatment arrangements having at least first and second radially displaced sets (12,13) of fluid treatment elements and methods for making and using them are disclosed: A ribbon including a...
8591622 Filter apparatus with porous ceramic plates  
A filter apparatus comprises a filter stack including a plurality of porous ceramic plates that are axially spaced from one another to define plurality of axially spaced apart radial flow areas....
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...
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...
8333890 Filter cartridge having a filter within a filter, and an endplate sealing structure on an outer filter element  
A filter within a filter cartridge design is described that includes a sealing structure on an endplate of an outer filter element. Generally, the sealing structure includes an annular flange on...
8216470 Multi-stage filter cartridge with polyurethane endcaps  
A filter cartridge is described that is designed to accommodate for example dual stage filtration. The filter cartridge has an endplate structure formed of a heat cured material, such as...
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...
8051989 Support structure for a filter  
A support structure of a filter element for supporting a filter material that is adapted to filter a fluid includes a first frame portion and a second frame portion. The first frame portion has a...
7931153 Solid-liquid filtration cloth and filtering device  
The invention relates to a method of making a solid-liquid filtration cloth, a solid-liquid filtration cloth, and a filter in which the solid-liquid filtration cloth is arranged. The filter cloth...
7918996 Stormwater filter bag  
The invention is a particle and sediment filter for stormwater. A long permeable filter bag is laid out horizontally within an enclosure. The bag is formed of at least two layers of parallel tubes...
7879125 Filter with variable pleat depth  
A filter is provided by pleated filter media having a plurality of pleats defined by wall segments extending axially along an axial direction along an axis and extending transversely along a...
7850756 Anti-movement lock with break-away housing mount  
A housing, which may be a filter housing, has break-away lock structure preventing movement in response to normal release force, and breaking-away from a housing section upon excessive release...
7848475 Low head loss modular suction strainer with contoured surfaces  
A strainer for an emergency core cooling system (ECCS) in a nuclear power plant comprises a perforated strainer element that is immersed in a reservoir of cooling water, which is drawn through the...
7740678 High capacity filter  
A filter element has first and second subelements providing increased media providing improved performance and packaging options. The first and second subelements provide first and second flow...
7611559 Filter element  
A filter element (1) with a tubular folded bag (2) of folded filter material, which has a plurality of fold blades (3) adjacent each other in the longitudinal direction (10) of the folded bag (2)...
7473362 Water treatment system  
A media in the form of a multilayered semi porous composite membrane containing a strong positive electrical charge with a highly porous surface consisting of 60 to 90 percent void volume and pore...
7425266 Water-filtering media and filters  
In at least some embodiments, a filter comprises a filtering media. The filtering media is impregnated with chemical compounds that effectively retain water molecules and water-alcohol molecules...
7404493 Filter device including pleated filter incorporated in a housing  
The present invention provides a filter that can minimize the amount of residual liquid within the housing or container with a simplified construction. The article includes a cylinder portion...
7323106 Multi-element filter with multiple pleat channel height  
A filter has multiple pleated filter elements having axially extending channels having a transverse pleat channel height and a lateral channel width. The pleated filter elements have different...
7314558 Pleated panel fluid filter  
A pleated panel fluid filter filters fluid flowing along an axial flow direction and includes angled panels and/or progressively increasing flow channel width and/or skewed panel projections...
7311751 Filter medium  
A filter medium includes at least a first and a second layer. Both first and second layers have a layer volume VLq and a layer filtering surface SLq, where SLq is the accumulation of all mantle...
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...
7267769 Water purification system utilizing a carbon block pre-filter  
A water purification system includes an activated carbon filter and a reverse-osmosis (RO) filter. The activated carbon filter is typically formed with a central aperture that receives an upper...
7122068 Pleated filter media with embossed spacers and cross flow  
A panel filter element has a pleated filter media having peaks and valleys arranged in pleated sets of first and second panels. The pleated sets are adhered along side edges to form clean-side...
7115204 Pool pump filter  
A filter comprises a cage that captures a foraminous center tube. The cage comprises end plates secured to multiple posts. A screen is wrapped with at least one full inner wrap around the center...
7081201 Encapsulated filter cartridge  
An encapsulated filter cartridge is disclosed, which includes a filter assembly including a carbon block filter element and a microporous filter element. The filter cartridge has a permanently...
7001517 Collapsible filter element  
A filter element assembly has at least two cylindrically shaped and concentrically arranged filter media sleeves each connected at one end thereof to an inlet plate and each connected at the other...
6986842 Filter element with foam girdle to secure pleats and method of forming same  
A fluid filter element (10) comprises a pleated filter media (34) having spaced apart pleats (40) and an external filter media surface (38) comprising the external peaks of the pleats (40) and a...
6929742 Fine filter for a fuel feed unit  
In the case of a fine filter for a fuel feed unit of a motor vehicle, a filter element has at least two sections which surround the fuel feed unit concentrically. In the fitted state of the fine...
6881330 Multi-stage EDM filter  
A two-stage, retrofit filter is adapted for use with an electrical discharge machine (EDM) includes nested inner and outer filtering elements that may be placed as a unit in the same tank and over...
6877612 Filter cartridge for use in severe environments  
A filter cartridge for use in severe or harsh applications, such as acidic or alkaline environments or hot or cold temperatures. The inventive filter cartridge is constructed of a central,...
6875342 Filter cartridge with structurally and adhesively attached outer sleeve and method of assembly  
A fluid filter includes a cylindrical pleated filter media disposed around a central perforated support core or self-supporting. An outer support sleeve comprising a extruded nylon, diamond-shaped...
6814243 Replaceable filter with locking mechanism  
A filter assembly with a replaceable filter element and a reusable filter housing, which incorporates a locking mechanism to ensure that the filter system will not be operated without a filter...
6808628 Membrane bioreactor using non-woven fabric filtration  
A submerged membrane bioreactor includes a tank containing a mixed liquor having microorganism; and a filtration module immersed in the mixed liquor and having a permeate side in fluid...
6712967 Liquid filter assembly with concentric filter sleeves of bag-type media  
A filter element assembly has at least two cylindrically shaped and concentrically arranged filter media sleeves each connected at one end thereof to an inlet plate and each connected at the other...
6585893 Concentrically-arranged, multi-sleeve bag-type filter element assembly  
A filter insert includes a plurality of annularly-shaped, bag-type filter sleeves (111, 112, 113) concentrically-arranged. The ends of the sleeves are attached to the flanges of an inlet plate...
6585892 Concentrically-arranged flexible media and support basket with second stage cartridge filter  
A concentric arrangement of bag-type filter sleeves 11, 12 of a filter insert are removably supported within a concentric arrangement of screens 60, 61 of an annularly-shaped basket 10a. The...

Matches 1 - 50 out of 231 1 2 3 4 5 >