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Patent No. 5265827

Paddle Wheel Plane

An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.

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Class 210/508 - Fibrous


Subclass of Class 210 - Liquid purification or separation
Definition: Compositions which include fibers.
No. of patents: 331
Last issue date: 03/20/2012


1                  
NumberTitleIssue Date
8136676Polymers useful as medical materials
One object of the present invention is to provide polymers suitable for use as medical materials. The present invention provides a polymer useful as a medical material having the general formula -(A)1-(B)m—(C)
03/20/2012
8038014Use of an aqueous polymer dispersion as a binding agent for cellulose fibers and for the production of filter materials
The present invention relates to the use of an aqueous polymer dispersion comprising methacrylic acid and N-methylolacrylamide as a binder for producing filter materials and for base paper for decorative sheets. ...
10/18/2011
7963402Filter device for molten metal filtration and method for producing such filters
The present invention relates to a ceramic filter device for molten metal filtration comprising a major ceramic phase and a minor carbon phase bonded by phosphate bond, a method for producing such filter devices, and the use of such filter devices for the filtration...
06/21/2011
7442223Complex shaped fiber for particle and molecular filtration
An ultra-efficient multilobal cross-sectioned fiber filter for chemical contaminant filtering applications is described. An absorptive chemically reactive reagent, preferably an acid or base and in liquid or an adsorptive chemically reactive reagent (an acid or base...
10/28/2008
7434698Two fiber filtration material
A filtration material comprising a blend of at least two types of fibers: (a) polypropylene fibers and (b) either acrylic or modacrylic fibers. In a preferred embodiment, the blend contains about 50 weight percent polypropylene fibers and about 50 weight percent mod...
10/14/2008
7422682Compositions, devices, and methods for use in environmental remediation
What is disclosed are compositions, devices, and methods for use in environmental remediation. The compositions are for use in a variety of environmental remediation barriers including fiber rolls, mats or blankets, and berms. Applications for the use of the composi...
09/09/2008
7407578Liquid filtering instrument and dry type analysis device
A liquid filtering instrument 10 according to the present invention achieves filtered liquid by pressure-reduced filtration, and it comprises a filter member 12 in which a liquid filter 15 is accommodated, and a holder member 14 for stock...
08/05/2008
7407742Plasma or serum separator, plasma or serum sampling method, plasma or serum separating method, test carrier and glass fiber
Provided are a plasma or serum separator and a plasma or serum sampling method capable of isolating plasma or serum with good efficiency from a small amount of blood without using a centrifuge and without causing leakage of a blood cell component or hemolysis, and i...
08/05/2008
7398887Product and method of forming successive layers of face-to-face adjacent media with calculated pore size
A filter media product and method of making the same wherein at least two independent filter media thicknesses of differing coarse and fine pore sizes are held in face-to-face relationship with the pore sizes being so calculated that the overall average pore size of...
07/15/2008
7344035High heat filter fabric and method
A fabric is disclosed which is suitable for use in the manufacture of particulate filters for use in high heat environments, together with a method for making the high heat filter fabric. The filter fabric has a sliver knit pile construction, and may be manufactured...
03/18/2008
7344034Heatsealable filter materials
Described are a filter material which contains heatsealable, biodegradable and compostable polymeric fibers and is characterized in that it additionally contains a lubricant in an amount from 0.5 to 5.0% by weight, based on the paper weight of the ready-produced fil...
03/18/2008
7314497Filter medium and structure
Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units. Such filter units can be placed in the stream of a mobile f...
01/01/2008
7311209Filter material
A filter material has one or more plies of fiber layers, in particular for the production of filter bags and filter cones for infused beverages, the at least one fiber layer containing fibers or microcapsules having phase change material. Paraffinic hydrocarbons can...
12/25/2007
7309372Filter medium and structure
Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units. Such filter units can be placed in the stream of a mobile f...
12/18/2007
7303670Compositions, devices, and methods for use in environment remediation
What is disclosed are compositions, devices, and methods for use in environmental remediation. The compositions are for use in a variety of environmental remediation barriers including fiber rolls, blankets, and berms. Applications for the use of the compositions, d...
12/04/2007
7303084Compositions, devices, and methods for use in environmental remediation
What is disclosed are compositions, devices, and methods for use in environmental remediation. The compositions are for use in a variety of environmental remediation barriers including fiber rolls, mats or blankets, and berms. Applications for the use of the composi...
12/04/2007
7303605Snap together filter
A fluid filter is provided with a snap-together housing for the filter media. The housing is designed with two main parts that are easily snapped together to encapsulate the filter media. The filter housing is substantially cylindrical, and contains an inlet on one ...
12/04/2007
7296690Method and device for inactivating viruses
The invention provides a device for the inactivation of a virus comprising a housing delimiting a fluid passageway, the passageway being provided with a filtering material having ionic copper selected from the group consisting of Cu+ and Cu++ i...
11/20/2007
7296691Carbon or activated carbon nanofibers
Carbon or activated carbon nanofibers are made from fibrillated nanofibers having a Canadian Standard Freeness of less than about 100, and/or a fiber diameter of less than or equal to about 400 nm. BET surface areas are greater than about 800 m2/g The fib...
11/20/2007
7290668Bicomponent fiber wick
A bicomponent fiber wick is provided for use in processing an analyte fluid. The bicomponent fiber wick comprises a self-sustaining, fluid transmissive body comprising a plurality of bundled, crimped, bicomponent fibers bonded to each other at spaced apart contact p...
11/06/2007
7278542Filtering medium, method for making same
The invention concerns a filtering medium based on a photocatalytic agent and activated carbon, characterized in that it comprises a permeable support covered with a first layer based on activated carbon, then a separate second layer based on a photocatalytic agent,...
10/09/2007
7276166Fiber-fiber composites
A fiber-fiber composite is disclosed herein comprising majority fibers and minority fibers, the minority fibers having a softening point lower than said majority fibers such that when the admixture of majority fibers and minority fibers are wet laid to form a paper-...
10/02/2007
7261818Method for the fabrication of a pleated filter
A filter is made by the folding of a filter media to pleats after the application of strings of glue thereon and the glue serves as distance elements and fixing for the filter media. The glue contains an expandable filler, that when heated expands to a larger size t...
08/28/2007
7258797Filter for removing water and/or surfactants from a lipophilic fluid
The present invention relates to processes for removing water and/or surfactants from lipophilic fluids, absorbent materials employed in such processes, and lipophilic fluids produced by such processes. ...
08/21/2007
7228973Nonwoven fibrous media especially useful for the separation of blood constituents
Blood separation media include a non-woven web of fibrillated and non-fibrillated synthetic staple fibers. The fibrillated synthetic staple fibers will most preferably have a Canadian Standard Freeness (CSF) of less than about 300 mL, whereas the non-fibrillated syn...
06/12/2007
7211232Refractory exhaust filtering method and apparatus
A method for catalytically cleaning an exhaust gas, including receiving the exhaust gas in an inlet channel, blocking the exhaust gas in the inlet channel, diffusing the exhaust gas through a porous substantially fibrous nonwoven wall of the inlet channel, reacting ...
05/01/2007
7168574Dual filter
A dual filter apparatus and a process of making a dual filter apparatus that minimizes disruption to the normal flow pattern through the filter apparatus by forming a porous medium suitable to carry a fluid activator and placing an activator proximate the porous fil...
01/30/2007
7144533Microporous 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 adapted to remove natural organic matter in an influent prior to the in...
12/05/2006
7138057Filter 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 paper layer. Preferably, the paper layer includes about 10 Wt % to abo...
11/21/2006
7122122Molecular imprinting of solute on cellulose/silica composite, and products and uses thereof
A cellulose/silica composite useful as a filter material is highly selective towards a solute that has been molecularly imprinted upon an inorganic gel coating formed on the cellulose. The filter material provides dual filtering functionality, as both a selective mo...
10/17/2006
7083697Porous spun polymeric structures and method of making same
A non-woven polymeric matrix for separating leukocytes from a blood sample includes a non-woven three dimensional matrix formed from polymeric fibers having a predetermined pore volume fraction including a defined channel configuration, a predetermined pore size in ...
08/01/2006
7037642Removing compounds from blood products with porous particles immobilized in a matrix
Methods and devices are provided for reducing the concentration of low molecular weight compounds in a biological composition containing cells while substantially maintaining a desired biological activity of the biological composition. The device comprises highly po...
05/02/2006
7011753Microporous 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 adapted to remove natural organic matter in an influent prior to the in...
03/14/2006
7001528Use of aqueous binders in producing filter materials
The use of an aqueous polymer dispersion comprising dispersed particles of at least one polymer A1 obtainable by free-radical emulsion polymerization in the presence of a polymer A2 synthesized from from 50 to 99.5% by weight of at...
02/21/2006
6959820Microporous 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 adapted to remove natural organic matter in an influent prior to the in...
11/01/2005
6955700Snap together filter
A fluid filter is provided with a snap-together housing for the filter media. The housing is designed with two main parts that are easily snapped together to encapsulate the filter media. The filter housing is substantially cylindrical, and contains an inlet on one ...
10/18/2005
6953604Microporous 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 adapted to remove natural organic matter in an influent prior to the in...
10/11/2005
6951713Absorbing pathogen-inactivating compounds with porous particles immobilized in a matrix
Methods and devices are provided for reducing the concentration of low molecular weight compounds in a biological composition, while substantially maintaining a desired biological activity of the biological composition. The device comprises highly porous adsorbent p...
10/04/2005
6945411Biological fluid filter and system
A filter for processing a biological fluid is disclosed comprising at least two filter elements wherein the surface of one filter element is substantially non-hydroxylated and has a nitrogen-to-oxygen ratio in the range of from at least 0.01 to less than about 1.00,...
09/20/2005
6942711Hydroentangled filter media with improved static decay and method
The present invention is directed to a filter media comprised of an electro-conductive scrim so as to improve on the dissipation time of an electrostatic charge. Further, the present invention is directed to a method of making such a filter media, which is formed th...
09/13/2005
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