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Class 210/497.01 - Cylindrical, conical, or trough shape


Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus in which the filter medium is shaped to form a
No. of patents: 619
Last issue date: 05/10/2011


1                      
NumberTitleIssue Date
7938276Filtration architecture for optimized performance
A filter bag for use in a liquid filtering system is provided. The filter bag comprises a filtration layer. The filtration layer is defined by one or more filter mediums. The filter mediums can be composed of an adsorbent material disposed between two thin wall subs...
05/10/2011
7438812Filter element and method of making
A filter element (10) is provided which can be used to remove microsize contaminant particles (i.e., about 0.5 μm to about 25.0 μm) from aviation fuel. The filter element (10) includes a cylindrical pleated filter media (14) and an exoskeleton...
10/21/2008
7389883Filter cartridge
A filter cartridge which comprises a filter pack (3) formed by a flat filtering medium, a tubular sheath (2) with a perforated wall, surrounding the filtering pack, and two respective end caps (5) having a first disc (16) and a second dis...
06/24/2008
7380676Filtering device
A filtering device (10) comprises a plurality of layers of paper (40). The paper (40) is formed with projections (120)) so that cavities (122) are located between adjacent layers of paper (40). A liquid being filtered passes...
06/03/2008
7374050High capacity and high efficiency filter deck assembly
A rotary drum filter has a plurality of longitudinally extending division grids mounted about the outer circumference of a drum. A plurality of corrugated sheets are provided, with the leading and trailing edges of each sheet mounted to circumferentially adjacent pa...
05/20/2008
7370766Filter cloth and replaceable filter module
A filter cloth whose underside comprises substantially parallel, additional yarns 8 that are thicker than the rest of the yarns of the cloth, substantially parallel channels 9 being formed between the yarns, wherein filtered liquid passed through the c...
05/13/2008
7357867Filter element for keyed latch valve
A filter element removably located in a housing having a central valve structure. The element has an end cap with a valve actuating portion. The valve actuating portion includes a cylindrical portion and an annular base projecting radially inward from the cylindrica...
04/15/2008
7347937Perfluorinated thermoplastic filter cartridge
A filtration cartridge having a housing with an inlet and an outlet and a filtration membrane contained within the housing and located between the inlet and the outlet is described. The membrane is sealed in such a manner that all fluid must flow through the membran...
03/25/2008
7335298Modular aquarium filter
A modular aquarium filter includes one or more cartridges connected in series. The cartridges may contain filter media for chemical, biological and/or mechanical filtration. In addition, the cartridges are designed such that they provide a unique internal helical ge...
02/26/2008
7332075Water filter assembly
A water filter assembly comprising a water filter arrangement and a water cooling arrangement in an integral unit. The cooling arrangements are concentrically configured with the cooling arrangement surrounding the filter arrangement. ...
02/19/2008
7332010High pressure filter/separator and locking mechanism
Disclosed is a two or three phase separator including a centrifugal separator, a demister (if a three phase separator), and a filter contained within a housing. The filter uses an outside-in flow principle. The filter includes an inner layer or a center core that de...
02/19/2008
7325566Filtering seal for a fluid control valve
A filtering seal for a solenoid valve has an annular base member which defines an axial first retainer surface and a radial sealing surface. Legs extend from the base member. An annular screen support member is attached to the legs and has an axial second retainer s...
02/05/2008
RE39940Screen plates and methods of manufacture
The screen cylinder includes a screening plate having contoured grooves along an inflow side and a backing cylinder having a plurality of openings therethrough and disposed on the outflow side of the screening cylinder. The contoured grooves are elongated in the axi...
12/18/2007
7303046Apparatus for filtering ultrasonic noise within a fluid flow system
A method is employed to attenuate ultrasonic noise propagating in a flow stream of a fluid flow system. In particular, the method attenuates the noise propagating between a noise source and a reference point in the flow stream (wherein the reference point and the no...
12/04/2007
7303047Apparatus for filtering ultrasonic noise within a fluid flow system
A method is employed to attenuate ultrasonic noise propagating in a flow stream of a fluid flow system. In particular, the method attenuates the noise propagating between a noise source and a reference point in the flow stream (wherein the reference point and the no...
12/04/2007
7303048Method for filtering ultrasonic noise within a fluid flow system
A method is employed to attenuate ultrasonic noise propagating in a flow stream of a fluid flow system. In particular, the method attenuates the noise propagating between a noise source and a reference point in the flow stream (wherein the reference point and the no...
12/04/2007
7300073Fuel tank trailer
A fuel tank trailer has a fuel tank supported on the bed of the trailer, and a secondary containment wall surrounding the fuel tank to provide an open secondary containment region. A drain valve controls the flow of fuel and water collecting in the secondary contain...
11/27/2007
7294160Air cleaner
The present invention comprises concerns a novel air cleaner having an inner mesh barrier. This inner mesh barrier has a plurality of openings, and is generally cylindrical, having an inner mesh barrier liner surface, and an inner mesh barrier outer surface. Further...
11/13/2007
7293802Mobile fluid and storage apparatus
A trailer has a fluid storage and supply container supported on the bed of the trailer, and a containment wall surrounding the fluid storage and supply container to provide an open containment region. A drain valve controls the flow of fluid collecting in the contai...
11/13/2007
7287575Component for supporting a filter member, a device including a tubular filter member and said component, a plate heat exchanger including a tubular filter member and said component
The invention relates to a component (20) for supporting a tubular filter member (15) in a portable channel (2) in a plate heat exchanger (1). The invention also relates to a device including the component (20) and the filter membe...
10/30/2007
7272895Double flow cage compactor dryer apparatus and method of compacting and drying wastes
A cage drying—compacting apparatus for wastes, includes a cylindrical shape and at least a pair of pressure plates, the cylindrical body having heating longitudinal tubes, coursed by a thermal carrier fluid, provided along the generatrixes of the cylinder and spac...
09/25/2007
7258718Filter element, particularly for cleaning combustion air
A filter element, in particular for cleaning combustion air for internal combustion engines, arranged in a filter housing composed of a filter medium having at least one end face on which a resilient, synthetic resin sealing bead is arranged which contacts a sealing...
08/21/2007
7247237Fluid cleaning filter and filter device
A fluid cleaning filter of the present invention consists of a composite matrix composed of a pleated substrate 2 configured into a pleated shape and an active carbon-containing layer 3, wherein the pleated substrate 2 is made of polyurethane fo...
07/24/2007
7217361Filter with support columns
A filter includes first and second axially spaced end caps having filter media extending axially between the end caps and extending in a closed-loop around a perimeter defining a hollow interior communicating with an axial flow opening through one of the end caps. O...
05/15/2007
7210584Filter device, in particular for high-pressure applications in a molten polymer filtration
A filter device, in particular, for high-pressure applications in a molten polymer filtration, has a screw-in piece (10), provided with a first threaded section (12) for fixing the filter device, and a second threaded section (14) for fixing a f...
05/01/2007
7207744Mats for use in paved surfaces
A method of repairing a paved surface utilizes a nonwoven or woven fibrous mat made from fibers including polymer fibers, the polymer fibers having a melting point greater than about 320° F. (160° C.). The mat has a load-elongation behavior such that when the mat ...
04/24/2007
7208084Modular aquarium filter
A modular aquarium filter includes one or more cartridges connected in series. The cartridges may contain filter media for chemical, biological and/or mechanical filtration. In addition, the cartridges are designed such that they provide a unique internal helical ge...
04/24/2007
7204370Extension and locking assembly for dripless element and container therefore
A filter assembly includes housing enclosing a replaceable filter element. A support core is provided in the housing, and includes an extension and locking assembly. The element includes a ring of filtration media with a pair of end caps. The first end cap includes ...
04/17/2007
7191903Filter insert with variable length center tube
A filter insert (1) having an annular filter element (2) which is connected in a fluid-tight manner to a cover (5) on one axial end face (3) and to a base (6) on an opposite axial end face (4). The filter element (2) ...
03/20/2007
7188733Screening device, such as a screen cylinder, and method of manufacture of the screening device
A screening device (e.g., screen plate or screen cylinder) is manufactured relatively inexpensively and easily yet has uniform screening openings (e.g., screening slots) even when of a width of less than 0.5 mm. A plurality of wires having first and second sections ...
03/13/2007
7182754Containerless tissue sample collection trap
A containerless tissue sample collection trap featuring, in the preferred embodiment, a flexible filter and an applicator having a shaft terminating in a distal end with a channel therein receiving a portion of the flexible filter, the combination of the applicator ...
02/27/2007
7169302Filter cartridge construction
A filtration module (10) is provided which includes a manifold (12), a filter cartridge (16) and a bowl (14) which houses the filter cartridge (16). The filter cartridge (16) and bowl (14) are connected to each other ...
01/30/2007
7166210Oil filter cartridge
The present invention relates to small vehicles such as lawn and garden tractors and more specifically to an oil filter cartridge or assembly usable with the transmissions of such vehicles. The cartridge is comprised of a filtering element, a strainer element and a ...
01/23/2007
7163625Filtration device
The present invention provides a filtration device. The invention employs filter media wrapped into spirals about an apertured core. Fluid may flow radially inward or radially outward during filtration. Embodiments using multiple filter media and embodiments achievi...
01/16/2007
7163623Fuel filter with keys
A filter element removeably located in a housing having a central valve structure. The element has an end cap with a valve actuating portion. The valve actuating portion includes a cylindrical portion and an annular base projecting radially inward from the cylindric...
01/16/2007
7160453Filter for removing contaminants from water
A filter for removing contaminants from water. The filter has a first porous filter part formed by setting an active carbon in a high-molecular low-melt index polymeric binder. An inlet directs water to be filtered to the first porous filter part. An outlet directs ...
01/09/2007
7153565Laminate for container and container for adsorbent
Polytetrafluoroethylene porous film is laminated with an ultra high molecular weight polyolefin porous film to realize excellent formability, dust collecting ability, and permeability that could not be attained by these porous films used alone. The laminate, which c...
12/26/2006
7153424Apparatus 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
7125490Porous 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
7125491Screen and process for manufacturing a screen of this kind
A flat or cylindrical screen includes rods and rod-bearing supporting elements. The rods have protrusions in the side walls which are received into inversely shaped recesses in a supporting element. The screen is manufactured by bending the supporting elements open ...
10/24/2006
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