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7588686 |
Dual porosity filter
Disclosed is a method and a filter unit for depleting or enriching a liquid or gas with substance(s) comprising i) providing a filter unit comprising at least one convective layer and at least one...
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7582209 |
Graded particle-size retention filter medium for fluid filtration unit with improved edge seal
A fluid filtration unit having two or more filter medium layers and/or zones, at least one of the layers/zones having a different particle retention capability disposed on each side of a...
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7562778 |
Composite porous membrane and method for producing the same
An object of the present invention is to provide a composite porous membrane, which has not only excellent filtration capacity, but also excellent adhesion between a porous membrane and a braid and...
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7546925 |
Disposable vacuum filtration apparatus capable of detecting microorganisms and particulates in liquid samples
A vacuum filtration apparatus ( 900 ) for detecting microorganisms and particulates in liquid samples. The apparatus includes a base ( 901 ), an absorbent pad ( 991 ), a filter ( 990 ), a funnel (...
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7527739 |
Apparatus, system, and method for multistage water separation
An apparatus, system, and method are disclosed for multistage water separation. A first separation layer separates water droplets from a fuel flow by repelling the first water droplets. A...
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7524425 |
Filter for the removal of substances from blood products
A filter device for the depletion of the leukocyte content from blood products comprising: a porous element comprising at least one fibrous web having a pore size suitable for leukocyte removal...
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7494587 |
Device having multi-pores magneto-rubber filter
A filter is made of a rubber having magnetism to attract metal paricles in a fluid for filtering impurities. The filter can be used in a hydraulic transmission system or even an air filter used in...
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7481941 |
Method for separating components from blood plasma
The present invention relates to a process and apparatus for separating blood plasma, having a mixing unit in the form of a first injection having a first connecting tube and a first piston to...
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7473373 |
Stormwater pollution management apparatus and method of using same
A stormwater pollution management apparatus for a stormwater basin including a water intake assembly having a first end and a second end generally aligned along an axis and includes a hollow...
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7455768 |
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...
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7449110 |
Filter and filter module
The filter 1 of the present invention has at least two filter elements 2 contained in the casing 4 , which are connected in series in such a state as interposing the first sealer 5 between...
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7438812 |
Filter 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...
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7429321 |
Aquarium filter cartridge and filtration system
An aquarium filter cartridge including activated carbon or the like and a housing wherein the water traces an S-shaped path is disclosed. In the S-shaped path the water flows horizontally through a...
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7410066 |
Filter for selectively eliminating leukocytes
It is intended to provide a filter for selectively removing leukocytes whereby leukocytes can be selectively and efficiently removed without worsening in the performance due to sterilization while...
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7396461 |
Filter cartridge for gravity-fed water treatment device
A filter cartridge for use in gravity-fed water treatment systems wherein filter elements include a dome-shaped hydrophilic porous particulate carbon powder block filter in a polymeric binder. The...
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7374050 |
High 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...
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7353956 |
Blood collection systems including a flexible filter
Blood collection systems include an integral flexible filter to remove leukocytes from blood components.
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7332096 |
Blood filter assembly having multiple filtration regions
A filtration medium is sealed within a housing. The filtration medium is sized and configured to define multiple filtration regions within the housing, through which independent, though concurrent,...
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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...
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7309428 |
Apparatus for separating components from blood plasma
The present invention relates to a process and apparatus for separating blood plasma, having a mixing unit in the form of a first injection having a first connecting tube and a first piston to...
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RE39940 |
Screen 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...
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7294160 |
Air 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...
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7279095 |
Fuel supply device
Fuel supply device ( 10 ) may comprise fuel pump ( 20 ) and suction filter ( 40 ) attached to a fuel intake port ( 36 ) of fuel pump ( 20 ). Suction filter ( 40 ) may have a sheet-shaped filter...
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7264652 |
Filter for collecting chlorinated organic compound
The collecting filter can capture and collect various chlorinated organic compounds in both particulate form and gaseous form contained in a fluid at the same time, and is easy to extract the...
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7255722 |
Gas filter
A filtration portion 11 constituting a filter element 3 is composed of a first filtration material 9 wound around the outer periphery of an inner tube 8 and a second filtration material 10...
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7252764 |
Method for fabrication of a molecular filter and apparatus formed by the same
The invention is a method for fabricating molecular filters which can separate objects approximately 1-5 nm in range, where the filtration size is controlled by using thin films of materials and...
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7247245 |
Filtration cartridge and process for filtering a slurry
A depth filter design is disclosed which has little if any open void area upstream of the media. Preferably, it also has little if any open void area downstream of the media as well. A preferred...
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7210585 |
Edge filter assembly
An edge filter assembly is disclosed. The edge filter assembly may include a housing having an inlet and an outlet. The edge filter assembly may further include a filter element disposed within the...
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7198714 |
Gutter screen assembly with water tension breaker
The present invention provides a gutter screen attachment and a ridged filter assembly for minimizing water film runoff and debris collection adjacent a screened gutter. The screen attachment...
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7182869 |
Fuel filter arrangement
A fuel filter and vapor separator arrangement having at least one layer of liquid fuel permeable material defining at least one substantially enclosed cavity. The permeable material has at least...
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7179377 |
Filter for sludge filtration
A sludge filter is comprised of a mesh filter media secured to a support net. The support net includes a front surface adjacent the filter media and a rear surface opposite the filter media, the...
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7163625 |
Filtration 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...
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7160453 |
Filter 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...
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7153425 |
Process and filter for filtering a slurry
The present invention comprises a process for filtering a slurry and a filter cartridge construction for filtering a slurry having a filtration medium formed of a depth filter such as a cylindrical...
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7144533 |
Microporous filter media, filtration systems containing same, and methods of making and using
The invention is directed to a microbiological interception enhanced filter medium, preferably having an adsorbent prefilter located upstream from the filter medium. Preferably, the prefilter is...
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7128835 |
Fluid treatment packs, fluid treatment elements, and methods for treating fluids
A fluid treatment element for treating a fluid flowing through the element comprises a first conductive layer and a second conductive layer electrically connected to the first conductive layer. The...
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7128772 |
Filter assembly, process for producing the filter assembly and filter body having the filter assembly
A filter assembly through which a fluid can flow and a method for the production thereof are provided. The filter assembly includes at least one covering layer made of an at least partially porous...
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7112278 |
Fuel filter having double layer structure
Fuel passes through a fuel filter from the outer layer of the fuel filter toward the inner layer of the fuel filter. Large debris is arrested in the outer layer made of nonwoven fabric, and small...
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7090772 |
Filter bag assembly
A filter bag assembly includes an outer bag having an open end, a closed end opposite the open end, and a longitudinal axis. The open end of the outer bag is sized and shaped for receiving liquid...
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7090769 |
Vacuum for spas and method of use
An improved spa vacuum for removing debris from the bottom of a spa or hot tub includes a removable lower assembly which includes a filter assembly. The filter assembly includes a filter housing...
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7087160 |
Outside-in flow engine and transmission filter and method
A suction-side transmission or engine filter includes a filter bag assembly having an outlet portion and a media bag enclosing an inner support structure, the filter bag assembly is contained at...
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7083722 |
Filter manufacturing process using a combined welding and cutting step
A method of manufacturing a filter comprises the steps of assembling multiple layers of filtration material on top of one another to form an assembly; holding the assembly between an ultrasonic...
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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...
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7074326 |
Curb-and-grate inlet filter
A curb-and-grate inlet filter is provided for temporarily covering, during nearby construction activities, the curb-and-grate inlet of a storm drainage system so as to filter from storm water...
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7063791 |
Pump inlet screen
A pump inlet screen for a submersible pump adapted to be inserted into a well bore. The screen includes an inner support sleeve having openings therethrough and an outer mesh screen member that...
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7060181 |
Dual density filter cartridge
The invention relates to aquarium filters providing improved water filtration without accelerated clogging. The present invention also relates to methods of using such filters.
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7033497 |
Filter cartridge
A filter cartridge formed by winding, in a twill construction, a band-shaped unwoven cloth, which contains thermoplastic fibers and at least a part of its fiber intersections are stuck thereon, so...
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7032759 |
Pusher centrifuge
The invention relates to a pusher centrifuge ( 1 ) for the separation of a mixture ( 2 ) into a solid cake ( 3 ) and into a liquid phase ( 4 ). The pusher centrifuge ( 1 ) in accordance with the...
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7025212 |
Plasma- or serum-collecting device
A plasma- or serum-collecting device with simple structure and easy to handle is provided. The device comprises a vacuum blood drawing tube accommodating a blood-filtering unit, wherein the vacuum...
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7025211 |
Double pusher centrifuge
The invention relates to a double pusher centrifuge including a screen drum ( 3 ) rotatable about an axis of rotation ( 2 ) for separating a mixture ( 4 ) into a solid material cake ( 5 ) and a...
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