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6645373 |
Dual element water sensing fuel dispenser filter
The dual element water sensing fuel dispenser filter comprises a housing with an open end. An end plate is positioned in the open end. Contained within the housing is a filter element assembly that...
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6641728 |
Device for filtering a liquid, particularly for filtering a polymer plastic melt
A device for filtering a liquid, in particular for filtering a polymer plastic melt, has a housing which includes an inlet channel, a connecting channel situated in a shaft and a discharge channel,...
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6629613 |
Leukocyte filter
There is provided a leukocyte filter comprising: a prefilter portion; and a membrane filter portion downstream of the prefilter portion, the membrane filter portion having a pore size distribution...
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6615991 |
Filter aid
A filter aid, in particular for filtering beverages by means of precoated filters, comprises a mixture of exclusively natural components, e.g. cellulose components. The filter aid is made only of...
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6613227 |
Electrically conductive in-tank fuel filter
An in-tank fuel filter includes conductive features which provide a path to a grounded component of a motor vehicle to carry away static charges generated by passage of fuel through the filter. The...
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6612447 |
Blood collection systems and filters using a porous membrane element
A filter for removing leukocytes from blood comprises a filter media enclosed in a housing. The filter media includes a main filter region comprising a porous membrane structure extending between...
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6609618 |
Device for the isolation of cell components such as nucleic acids from natural sources
Described is a method of isolating cell components, such as nucleic acids, from natural sources by filtering a sample of the digested natural sources such as cells or cell fragments. The method is...
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6605217 |
Apparatus for high pressure fluid filtration
A bacterial fluid filter includes a filter element supported by a backing member. The filter element and backing member are sealed, e.g., with one or more o-ring seals, in a housing to provide a...
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6602410 |
Water purifying kits
A kit for purifying water comprises a first container for receiving untreated water, and a second container for receiving purified water and having a dispensing spigot. A water purification...
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6598749 |
Spiral pleated filter cartridges
A filter is disclosed that includes a cylindrical filter element having a longitudinal axis, an outer periphery, an inner periphery, and a plurality of longitudinal pleats arranged in a spiral...
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6582598 |
Wave filter for rotary filter
Rotary filters, known within the polymer melt filtration industry, are improved by the provision of wave shaped filter support plates within the filter chambers of a rotatable disc of a filter....
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6569330 |
Filter coalescer cartridge
A filter coalescer cartridge for treating jet fuels comprising spaced apart filter/coalescer layers to effectively remove particulate contaminants and water from the transient fuel being treated.
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6569329 |
Personal water filter bottle system
A bottle mountable filtration system typically includes a plurality of different filter elements or filtering and treatment elements having a substantially common central axis that are mounted to...
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6562233 |
Storm drain line with riser 2
A drain filtering system is disclosed, having a filter placed within a basket which is suspended from frame positioned underneath a drain grate atop the inlet to a storm drain. The filter is...
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6547080 |
Collapsible colander for straining and rinsing
Colander apparatus for straining and rinsing including a first rim portion and a second rim portion hingedly movable about an axis between a generally coplanar position and a collapsed or folded...
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6540913 |
Filter apparatus having a maintaining device for centering a stack of filtration disks
A maintaining device for a filter medium having a stack of filtration disks presenting a central aperture, characterized in that it comprises a first flange with at least one central opening, a...
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6540914 |
Cleanable filter with spinning screen
A fluid filter which comprises a canister having an open end and a closed end, the canister sealing to an adapter body to prevent leakage between the canister and the adapter body, the adapter body...
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6527954 |
Layered bag filter elements
A filter element to be installed into a housing to constitute a filter assembly for separation of solids in a fluid is constructed from one or more baggy filtering mediums made of porous membrane...
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6524488 |
Method of filtering certain particles from a fluid using a depth loading filtration media
A filtration media is formed from at least one structured polymeric layer, wherein a structured surface is defined within the layer. Layers may be configured as a stack that has the structured...
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6524478 |
Apparatus for filtering and separating particularly biologically organic fluids
In an apparatus for filtering and separating fluids by reverse osmosis or by micro-, ultra-, and nano filtration, including a plurality of spaced planar filter elements arranged in stacks in spaced...
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6511606 |
Simple, economical and rapid method for determining the contaminate particle size in fluids being filtered
A simple, economical acid rapid method for determining the contaminate particle size appearing in a fluid being filtered includes a filter housing that eliminates fluid bypass with a multi-layered...
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6510947 |
Screens for vibratory separators
A screen assembly and methods for using it, the screen assembly including, in certain aspects, at least two layers of screening material one on top of the other and including at least a first layer...
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6494326 |
Composite zeolite membranes
A new class of composite zeolite membranes and synthesis techniques therefor has been invented. These membranes are essentially defect-free, and exhibit large levels of transmembrane flux and of...
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6488842 |
Filtering device
A filtering device includes a container having an inlet for introducing liquid to be treated, an annular multi-layered prepacked screen assembly provided in the container and having an outlet for...
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6484887 |
Ion-selective membranes, their production process, use of the ion-selective membranes, and apparatuses provided with the ion-selective membranes
An ion-selective membrane is formed integrally of an ion-selective membrane forming component and a woven-fabric-shaped backing. The ion-selective membrane forming component comprises a cationic...
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6482321 |
Weighted suction filter for a fuel hose
A suction head is provided for the end of a fuel hose in a fuel tank of a portable implement. The suction head comprises a cup-shaped housing of polymeric material that is closed off by a cap....
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6478956 |
Manually pressurized water filtering container
A manually pressurized water filtering container comprising an enclosure having a compressible wall terminating at an open neck and a removable, water permeable filter module and a cap adapted for...
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6471856 |
Pre-filter for a hot tub skimmer basket
A pre-filter is for use in a skimmer basket of a hot tub. The pre-filter comprises a stabilizing ring and a shallow shaped cleanable filter permanently secured together. The stabilizing ring is...
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6464870 |
Filter assembly having plastic mesh conductive surround
A fuel filter assembly adapted for disposition in a housing includes an inner filtration element, an outer conductive surround and end caps which position and secure the filtration element and...
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6458283 |
Lost circulation fluid treatment
A method for separating fluid and fibrous lost circulation material from a mixture thereof that also includes drilled cuttings, the method including introducing the mixture onto a screen assembly...
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6457588 |
Treatment of fluid having lost circulation material
A method for separating fluid and fibrous lost circulation material from a mixture of fluid, drilled cuttings and fibrous lost circulation material, the method including introducing the mixture...
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6454099 |
Vibrator separator screens
A screen assembly for a vibratory separator has been invented, which, in certain aspects, has a ridge-valley series of undulating screening material with a plurality of alternating ridges and...
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6422396 |
Coalescer for hydrocarbons containing surfactant
A coalescer filter element for the separation of water from hydrocarbon fluids, such as kerosene, jet fuel, diesel fuel, and gasoline under surfactant conditions such as thermal stability additive...
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6419095 |
Filter assembly for use in a press mould
A filter assembly for use in a press mould for moulding of cementitious products, the filter assembly including a fabric mounted in face to face contact with a support plate, perforated with a...
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6409919 |
Reusable filter housing with replaceable, disposable filter cartridge
Two perforated metal sleeves are secured in radially spaced coaxial relation one within the other between a pair of rigid end caps that are releasably secured to opposite ends of a plurality of...
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6409921 |
Integrally asymmetrical polyolefin membrane for gas exchange
Process for producing hydrophobic polyolefinic membranes for gas exchange via thermally induced liquid-liquid phase separation is disclosed. A solution of at least one polyolefin in a solvent...
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6401938 |
Filter element for a liquid filter using a filtration aid
A liquid filter element frame is provided comprising an elongate injection moulded body having a plurality of support ribs radiating from a central axis thereof and a support ring encircling the...
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6402942 |
Catch basin curb inlet filter assembly
A catch basin curb inlet filter assembly for preventing debris from being swept into the catch basin by rainwater. The filter assembly has first and second outer filters, an inner filter located...
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6391200 |
Filter and method of filtering a fluid
A spiral wound filter element is disclosed which includes alternating layers of filter medium and diffusion medium wrapped about a cylindrical core defining a central axis of the filter element....
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6387261 |
Serviceable filter with bypass
A filter for removing solids from a liquid comprising a filter housing with an inlet and an outlet, a first filtration element nested within the filter housing and having a first plurality of...
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6387262 |
Hollow-fiber membrane biofilm reactor for autohydrogenotrophic treatment of water
The reactor includes a hollow fiber membrane bundle. Pressurized hydrogen and water are introduced into a volume containing the fiber bundle. The fibers are free to separate and more independently...
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RE37681 |
Filter member and screen changer for use in resin extruder
A filter member includes a breaker plate having an increased filtering area without any deterioration in screen back-up capability. This filter member is adapted to filter off impurities of resin...
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6375854 |
Combined hydrophobic-hydrophilic filter for fluids
A combined filter for removing an aqueous fluid and entities, such as bacteria, existing in such aqueous fluid, from a nonaqueous fluid is described. The combined filter consists of a hydrophilic...
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6368504 |
Carbon block water filter
An activated carbon block filter including a unique bonded carbon mixture. The carbon mixture preferably includes a mean particle diameter in the range of about 60 microns to about 80 microns and a...
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6364120 |
Filter tub assembly for deep fryer
A fryer system has a tub and a filter screen assembly located in the tub to filter cooking fluid. A filter pan or crumb catcher having a perforated surface is positioned above the tub to receive...
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6340089 |
Method of fabricating undulating screen for vibratory screening machine
A screening screen assembly for a vibratory screening machine including an apertured plate, and a subassembly of an undulating support screen and fine screening screen and finer screening screen...
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6332987 |
Elements and methods for coalescing a discontinuous phase of a fluid from a continuous phase
A coalescing element is provided which is capable of separating a continuous phase fluid from a discontinuous phase fluid. The coalescing element includes a wrap structure which facilitates the...
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6327893 |
Filter layer comparative testing method and apparatus
A filter media testing arrangement and method including a flow-through test tower composed of a preselected number of clamped modular rings capable of supporting test samples in adjacent or spaced...
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6312950 |
Apparatus and method for isolating and recovering cells
There is proposed an apparatus for isolating and recovering an objective cell, which comprises, a filtering device having a filtering member which is capable of setting a porosity thereof to two or...
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6306293 |
Storm drain liner
A drain filtering system is disclosed, comprising a filter placed within a basket which is suspended from frame positioned underneath a drain grate atop the inlet to a storm drain. The filter is...
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