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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...
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...
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...
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 (...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
7353956 Blood collection systems including a flexible filter  
Blood collection systems include an integral flexible filter to remove leukocytes from blood components.
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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...