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7329293 |
Disposable filtration system for bagless vacuum cleaners
According to the present invention, a bagless vacuum cleaner includes a dust chamber, a primary filter and a second filter. The dust chamber includes an entrance and an exit. The primary filter is...
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7326272 |
Synthetic, duolayer, filter element
A multilayer, pleatable, filter material is made of at least one melt-blown, fleece layer and at least one carded, fleece layer that are attached to one another without use of adhesives for...
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7326266 |
Coalescing type filter apparatus and method
A coalescing type gas filter includes a filtering element enclosed in an inner chamber which is housed in an outer chamber and a drain device to simultaneously drain accumulated liquid in both the...
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7323106 |
Multi-element filter with multiple pleat channel height
A filter has multiple pleated filter elements having axially extending channels having a transverse pleat channel height and a lateral channel width. The pleated filter elements have different...
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7318853 |
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The...
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7318852 |
Bag house filter with fine fiber and spun bonded media
Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The...
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7316723 |
Air filter with fine fiber and spun bonded media
Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The...
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7314558 |
Pleated panel fluid filter
A pleated panel fluid filter filters fluid flowing along an axial flow direction and includes angled panels and/or progressively increasing flow channel width and/or skewed panel projections and/or...
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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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7294175 |
Personal inhalation filter
A cylindrical or other suitably shaped filter container for insertion into a user's nares to filter inhaled air to remove airborne items. The filter container has two open ends forming a container...
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7291196 |
Filamentary pad for improved mist elimination and mass transfer
An apparatus and method of making a filamentary pad for improved mist elimination and mass transfer comprising a plurality of layers of mesh, each layer of mesh having a plurality of mesh openings...
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7291205 |
Air cleaner
An air cleaner eliminates moisture laden in air, thus preventing the moisture from being added to a dust collecting filter and, for example, a deodorizing filter, therefore preventing performance...
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7270692 |
Air filtration arrangements having fluted media constructions and methods
Filter arrangements include a barrier media in the form of fluted media treated with a deposit of fine fibers. The media is particularly advantageous in high temperature (greater than 140 to 240°...
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7267704 |
Filter assembly for a vacuum cleaner
A dirt filtering apparatus for a vacuum cleaner is disclosed. The dirt filtering apparatus includes a lid member having an exit opening defined therethrough, a sealing arrangement around the...
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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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7258712 |
Smoke evacuation system
A smoke evacuating system for use during surgical procedures, particularly minimally invasive procedures involving the use of a laser or cautery at a surgical site having an associated higher than...
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7255838 |
Apparatus with nano-sized platinum black and oxygen-rich ceramic powder for filtering the incoming air into an internal combustion engine
An air filter for an internal combustion engine having a rigid type ceramic filter element made by foaming oxygen-rich ceramic powder for creating a plurality of pass-through holes. In this way,...
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7252704 |
Filter arrangement and methods
A filter arrangement includes a first filter element having opposite first and second ends; an axial length between the first and second ends; and a plurality of flutes. Each of the flutes has a...
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7247182 |
Filter assembly for a vacuum cleaner
A filter assembly for a removable dirt separation system is disclosed. The filter assembly includes a wall support attached to a wall of the dirt separation system and a screen panel having a...
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7247237 |
Fluid 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 ,...
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7244283 |
Filter assembly
A grease filter assembly is provided for absorbing airborne grease discharged from a grease discharge vent extending from a roof. A support is mountable to the duct of the grease discharge vent and...
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7235122 |
Filtration media for filtering particulate material from gas streams
Filtration media are disclosed for use in high efficiency air filters for filtering particulate matter in air. The media make use of at least one layer of fibers having a diameter less than 1000...
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7182804 |
Aerosol separator; and method
An arrangement for separating a hydrophobic liquid phase from a gaseous stream includes a coalescer filter, a housing, a gas flow direction arrangement, and a liquid collection arrangement. The...
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7175681 |
Apparatus for removing fine particles in exhaust gas
The present invention provides a fine particle removing apparatus which can efficiently burn collected fine particles in exhaust gas, has a simple configuration and can be readily controlled. In...
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7160361 |
Evaporative emission treatment device
Disclosed herein an evaporative emission treatment device comprising: a housing; and an adsorption member disposed in the housing, the adsorption member comprising an adsorption component...
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7156890 |
Hubcap filter
A hubcap breather assembly is provided for a hubcap housing lubricated wheel bearings in an automotive vehicle. The breather assembly includes a resilient, annular collar that fits into an access...
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7144438 |
Dust collecting container for vacuum cleaner
A dust collecting container for a vacuum cleaner is removably mounted in a suction chamber of a cleaner body to filter a dust from a dust-laden air being drawn into the suction chamber through an...
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7141101 |
Filter assembly with noise attenuation
A filter assembly configured for acoustic dampening for use with compressor assemblies such as oxygen concentrators including a compartmented housing member having an inlet opening, an outlet...
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7138057 |
Filter media
In one aspect, the invention provides an article consisting essentially of a paper layer including about 10 Wt % to about 40 Wt % of a thermoplastic polymer and an ePTFE membrane laminated to the...
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7138008 |
Filter assemblies and systems for intake air for fuel cells
A filter assembly for removing particulate contaminants and chemical contaminants from an incoming dirty air stream for a fuel cell. The filter assembly also includes a noise suppression element...
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7135051 |
Dirt cup filter with pre-filtration cap
A dual-stage vacuum cleaner filter with a pre-filtration cap having pre-filtering screens. A base with an aperture and a filter media strip pleated in the shape of a frustocone can be mounted...
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7132003 |
Air clean apparatus
An air clean apparatus including an air intake intended to be located at a lower position in a corner of a room and an air outlet intended to be located at an upper position in the corner of 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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7125434 |
Deep gradient-density filter device
A deep gradient-density filter device capable of effectively filtering a fluid containing a distribution of particles in the range of approximately 25 microns to approximately 0.2 micron at a fluid...
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7118608 |
Self-powered, wearable personal air purifier
A self-powered, personally wearable air purifier includes a sequence of packed bed filter media packets having filter media therein of specifically targeted types that will absorb those ambient air...
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7115150 |
Mist filtration arrangement utilizing fine fiber layer in contact with media having a pleated construction and floor filter method
Filter arrangements for mist removal include a barrier media, usually pleated, and treated with a deposit of fine fibers. Filter arrangements may take the form of tubular, radially sealing...
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7115151 |
High efficiency particulate air rated vacuum bag media and an associated method of production
A vacuum bag media and associated method of production, which includes a first layer that includes an expanded polytetrafluoroethylene membrane and at least one second layer that includes a first...
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7112234 |
Composite porous media
A composite porous media for either gas or liquid flow is strong and efficient, and can readily be formed in or into a wide range of different shapes and configurations. In particular, the porous...
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7112237 |
Porous sintered composite materials
The present invention is directed to porous composite materials comprised of a porous base material and a powdered nanoparticle material. The porous base material has the powdered nanoparticle...
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7112232 |
Air cleaning apparatus
An air cleaning apparatus includes a blowing unit and a filtering unit which are easily removed from and installed in a cabinet, allowing the air cleaning apparatus to be easily cleaned. The...
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7105037 |
Semiconductor manufacturing facility utilizing exhaust recirculation
A semiconductor manufacturing process facility requiring use therein of air exhaust for its operation, such facility including clean room and gray room components, with the clean room having at...
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7097694 |
High performance, high efficiency filter
A high performance, high efficiency filter is provided by a multi-stage filter having combinations of tribologically different fibers, nanofibers, and layering.
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7097684 |
Method of forming combined pleated scrim and filter media materials and product of same
A high efficiency fluid filter arrangement wherein a combined layer of scrim and filter media applications is of empirically relatively estimated weight size and depth with intermediate pleat...
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7094270 |
Composite filter and method of making the same
The invention refers to a composite filter for filtering a stream of ambient air including at least one non-prebonded upstream tier and one non-prebonded downstream tier, wherein the ratio of...
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7090715 |
Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The...
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7090712 |
Air filtration arrangements having fluted media construction and methods
Filter arrangements include a barrier media in the form of fluted media treated with a deposit of fine fibers. The media is particularly advantageous in high temperature (greater than 140 to 240°...
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7083659 |
Combined light source and air purifier
The combined light source and air purifier unit includes a body ( 11 ) and a centrifugal fan ( 12 ) with rearwardly facing blades ( 20 ) run at low speed and mounted by the body with its axis...
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7074250 |
Air filtration unit
An air filtration unit for use in a work environment includes a housing disposed with an air filtration system and light source. The housing includes a handle and corner caps to prevent damage and...
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7070638 |
Burp gas filtering and deodorizing device
The burp filtering device has the body of a writing pen, with an intake port at the upper end of the body, a plurality of exhaust ports adjacent the writing tip, and a filter disposed within the...
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7063733 |
Filter member
A filter member which comprises one layer of deodorizing filter 1 , which is composed of a reticulated filter substrate and a deodorizing agent adhering to the surface of its skeletons, and one or...
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