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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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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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7017756 |
Multi-stage pusher centrifuge
The invention relates to a multi-stage pusher centrifuge ( 1 ) for the separation of a mixture ( 2 ) into a solid cake ( 3 ) and into a liquid phase ( 4 ). The multi-stage pusher centrifuge ( 1 )...
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7014050 |
Filter cartridge
A filter cartridge comprising a strip, long fiber non-woven fabric which comprises a thermoplastic fiber and in which at least a part of fiber intersections is adhered, which is wound around a...
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7011753 |
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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6997327 |
Salt-tolerant, water absorbing filter
A filter comprises a paper layer, at least one outer particle filtering layer adjacent the paper layer, an ion exchange layer adjacent the at least one outer particle filtering layer, at least one...
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6991665 |
Evertible filter wrap with straps
A filter wrap for a cylindrical filter has a sheet with an interior side facing the filter when the sheet is wrapped on the filter, and an exterior side. It also has an edge defining a main opening...
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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...
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6984315 |
Pool cleaning device
A swimming pool cleaning apparatus that includes a housing with a substantially hollow cavity that runs along the longitudinal axis of the housing; a handle means mounted to the housing for...
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6966443 |
Paraffin filter element
A paraffin filter for a paraffin spa includes a first end cap and a second end cap with a filter medium sandwiched therebetween. Each end cap is disk-like body having a respective tubular...
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6962660 |
Fluid filter system with secondary flow path for augmented filtration
A filter system for spas and swimming pools is disclosed having a primary filter containing a porous membrane made of multiple plies. A fluid purifying medium in the form of irregularly shaped...
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6959817 |
Cooling makeup water intake cartridge filter for industry
An industrial, e.g. power plant cooling, water extraction framed cartridge filter system is disclosed with a holed fabric type medium to filter debris from the power plant cooling water. The fabric...
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6955761 |
Multifunctional filter
Filters, more particularly to multifunctional filters that are capable of removing as well as adding components to a filtered material are provided by the present invention. In addition to a...
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6942796 |
Filter device for filtering a liquid
A filter unit is disclosed suitable for use in a filter housing. The filter unit comprises superposed and spaced-apart inclined lamellar structures, preferably in the form of hollow truncated...
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6932907 |
Fluid treatment elements
A fluid treatment element comprises a fluid treatment pack including a fluid treatment medium. The fluid treatment pack has a hollow interior and a barrier is disposed in the hollow interior. The...
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6923909 |
Disc filter housing and filter disc thereof
A variable compression disc filter housing secures a circumferentially welded composite layer of filter disc material for filtering a small amount of liquid for determining the optimum filter media...
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6915910 |
Screen cylinder and method
A pulp screen cylinder that includes screen media releasably engaged with a frame at spaced locations opposing movement of the media away from the frame during screening. A preferred frame includes...
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6913154 |
Microporous filter media, filteration 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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6911141 |
Low waste liquid filter
A lubricating oil filter has a housing which includes a first shell providing a housing base and a second shell providing a housing lid, wherein a filter media is suspended in a space defined by...
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6910589 |
Annular pleated filter cartridge for liquid filtration apparatus
A pleated filter cartridge for filtering liquids including an annular filter element having a filter material which is a thin non-perforated non-woven material of flash-spun plexifilamentary...
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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,...
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6876713 |
Filter and fuel assembly for a light-water nuclear reactor
A filter for separating particles from cooling water in a nuclear plant of light water model. The filter has an inlet end ( 2 ) and an outlet end ( 3 ) and allow flowing through of the cooling...
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6875346 |
Filter
A filter cartridge for filtering impurities and the like from a swimming pool or other body of water is provided. The filter cartridge is positioned in a receptacle for receiving water and for...
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6874642 |
Filtering element made of absorbent paper material in the form of a tubular cylinder
The invention relates to a filter system ( 10 ) including a filter element ( 14 ) for filtering a fluid within a cylindrical case ( 12 ). The filter element is an absorbent tissue paper material in...
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6872309 |
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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6860394 |
Candle filter element
The multiple-tube filter proposed consists of at least one perforated filter element (15) whose outside surface has grooves (2) in a spiral round it, the surface between the grooves (2) preferably...
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6857525 |
Filtration cartridges with metallic end members and method of manufacturing
The filtration cartridge comprises a filtration element and a heat-resistant extension band having a first and a second longitudinal edge. The first edge of the extension band is attached along an...
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6854601 |
Bacteriostatic filter cartridge
A bacteriostatic filter cartridge having a porous core member about which is layered a yarn and/or a polyester membrane and/or melt blown web of polypropylene and/or a trilaminate polypropylene...
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6846412 |
Combination filter assembly
A combination filter assembly having a plurality of filter sieves positioned in parallel one after the other in the direction of flow. The filter sieves are stretched and mounted in housing...
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6840385 |
Lateral dispersion filter basket
A lateral dispersion filter basket provides turbulence at the bottom of the filter basket reducing strain on the bottom seam of the filter bag disposed therein causing the particulate being...
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6827852 |
Fluid filter
The invention is directed to a fluid filter having a housing assembly defining a chamber through which fluid to be filtered can flow between an inlet and an outlet, a filtering assembly within the...
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6825136 |
Filtering screens for vibratory separation equipment
A filtering screen comprises a fine woven wirecloth filtering mesh ( 4 ) disposed above a coarse woven wirecloth support mesh ( 2 ). An intermediate woven wirecloth mesh ( 3 ) is disposed between...
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6821416 |
Pond system and related pump
A decorative or landscape pond system which includes the skimmer assembly and a substantially horizontally-positioned, submersible and rotary pump in the skimmer assembly and supported on a bottom...
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6811036 |
Drinking straw with integral filtration system
The invention discloses a drinking straw with an integral filtration system including a plurality of filter types to extract or neutralize toxins such as heavy metals, chemicals, microbiological...
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6797185 |
Filtration method for graft polymer polyols
An index filtration method is disclosed for filtering graft polyol dispersions. The method allows for the rapid filtration of large volumes of graft polyol dispersion in an economical manner. The...
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6797167 |
Composite filter medium and fluid filters containing same
A composite filter medium for removing at least 99.95 percent of particulates of a size in the 3 to 4 micron range and dissolved chemical contaminants from a fluid and filters of various...
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6783667 |
Screen unit for viscous mass
A screen unit for removing solid particles from a viscous mass, for example molten plastic. The screen unit includes a housing provided with a supply channel and a discharge channel for the viscous...
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6776295 |
Solid-liquid filtering method and system for sewage, waste water and the like
A solid-liquid filtering method and system which comprises a thick band ( 7 ) of assembled filaments prepared by closely arranging paralleled monofilaments of predetermined length, a means for...
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6767466 |
Leukocyte filter construction
A filter unit for removing leukocytes from a leukocyte-containing suspension by passing the suspension through a filter unit. The filter unit may comprise a main filter for blocking the leukocytes...
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6745902 |
Blood collection systems including an integral, flexible filter
Blood collection systems include an integral flexible filter to remove leukocytes from blood components.
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6742586 |
Apparatus for preventing erosion of wellbore components and method of fabricating same
An apparatus for preventing erosion of wellbore components comprises a wellscreen and a coating disposed on the wellscreen. The coating includes a metal-based coating and preferably nickel and...
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6716016 |
Self-sealing compact spinneret for a melt spinning process
The invention relates to a spinneret for spinning thermoplastics. Said spinneret comprises a central polymer inlet channel, a filter assembly ( 2 ), consisting of one or more filter plates of...
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6716349 |
Filter for diesel engine fuel
A filter for Diesel engine fuel, comprising a filtering mass which is contained within an enclosure and is provided so as to be crossed by the fuel in its path inside the filter between an intake...
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6712965 |
Purifying device for liquid
The invention relates to a purifying device for liquid, that has filtering means ( 1 ) in order to separate impurities in the liquid to be treated by mechanical filtration and purifying means ( 2...
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6712939 |
Process for manufacturing wet-felted and thermally bonded porous structures and porous structures formed by the process
A process for manufacturing wet-felted and thermally bonded porous structures is provided to produce formed porous media for use in filters with improved filtration performance. The process...
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6706174 |
Hot tub filter assembly
A filter assembly is for use in a water by-pass compartment of a hot tub. The filter assembly comprises an open-top housing and an operably associated filter basket. The housing is for placement in...
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6706172 |
Stormwater filter assembly for catch basin grates
The present is basically comprised of a piece of polypropylene woven mesh cut to the size of the catch basin inlet opening grate, of a heavy-duty, partially-resilient rubber open frame member...
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6699388 |
Filter device and method for processing blood
A filter for filtering blood includes a coiled core with a hollow center. The core has only two layers that are coiled atop one another, the two layers being a blood filter layer and a spacer layer...
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6682656 |
Biological fluid treatment system and method
Devices, systems and methods for treating a biological fluid are provided comprising placing the fluid in contact with a complement filter capable of depleting at least one complement fragment from...
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6666968 |
Fluid filtration apparatus
An oil filter assembly has an outer canister in which full flow and bypass flow filtration sections are operatively housed in a nested relationship. Oil forced into the canister has imparted...
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