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8147689 Materials dewatering unit  
A dewatering conveyor system for dewatering chunks of petroleum coke or the like material which is mixed with large volumes of water, wherein the conveyor employs lateral drag bars, the top flight...
8104623 Filtering screen  
A screen is described for use in a vibrating machine for separating solids from liquid material, comprising woven wire cloth of orthogonal warp and weft wires, tensioned and bonded to a support...
8051990 Oil canning of mesh screen for filter  
A method of reducing if not eliminating the possibility of tearing or ripping of a mesh screen of a filter during the manufacturing process includes the step of intentionally deforming the mesh...
8054932 Filter medium for strainers used in nuclear reactor emergency core cooling systems  
A filter medium for strainers used in the emergency sump of a nuclear power plant ECCS. The filter medium is employed with double wall, concentric tube type strainer modules. The filter medium is...
8048319 Filter medium for strainers used in nuclear reactor emergency core cooling systems  
A filter medium for strainers used in the emergency sump of a nuclear power plant ECCS. The filter medium is employed with double wall, concentric tube type strainer modules. The filter medium is...
8038013 Liquid filtration media  
A liquid filter with a composite medium that has a nanoweb adjacent to and optionally bonded to a microporous membrane. The membrane is characterized by an LRV value of 3.7 at a rated particle...
8022109 Product filtration system for slurry reactors  
A filter system for use in a three-phase slurry reactor is provided. The filter system comprises one or more bundles of a plurality of filter elements for separating liquid from a mixture of liquid...
8021544 Wastewater screening device  
A screening device for wastewater overflow weirs and the like includes a perforate screening member through which wastewater flows from a bottom to top sides thereof, with a frame and a plurality...
8021548 Lattice structure, use of the lattice structure and vessel with lattice structure  
A lattice structure for the passage of a first medium against a second medium with transverse webs and longitudinal webs, lattice openings with a clear width of ≦300 μm being arranged between th...
8006438 Non clogging screen  
A filter assembly includes a filtering screen having a top surface and a bottom surface. A skeletal structure is attached to the filtering screen and has a top surface and a bottom surface. The...
7964065 Screen structure for use in the manufacture of a fiber product  
The present invention relates to a method and apparatus for feeding chemical into a liquid flow. The method and apparatus according to the invention are especially suitable for applications where...
7950527 Helical internal support structure for intake screens  
A method and apparatus for supporting a screen. The apparatus comprising a cylindrical screen for submerging in a fluid, the screen having an inlet pipe for connecting to a piping system, filter...
7938276 Filtration architecture for optimized performance  
A filter bag for use in a liquid filtering system is provided. The filter bag comprises a filtration layer. The filtration layer is defined by one or more filter mediums. The filter mediums can be...
7931153 Solid-liquid filtration cloth and filtering device  
The invention relates to a method of making a solid-liquid filtration cloth, a solid-liquid filtration cloth, and a filter in which the solid-liquid filtration cloth is arranged. The filter cloth...
7909991 Swimming pool skimmer and debris cleaning device  
A device for skimming the surface of the water in a swimming pool or the like, in a single, generally sweeping motion and thereby collecting most all of the debris floating on or near the surface...
7900289 Magnetic sink strainer  
The present invention provides a magnetic sink strainer with at least one magnet securely attached to the strainer, to create a magnetic field. The invention also provides a magnetic sink strainer...
7846333 Porous media  
A porous media, a housing containing a porous media and methods for fabricating the housing containing a porous media are provided. The porous media is composed of varying amounts of sorptive...
7820045 Sludge filter for separating sludge liquids from sludge solids  
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...
7765743 Corner gutter screen assembly  
A rain gutter screen assembly for use at the inside corner of a rain gutter. The assembly includes a screen having portions sized to overlie intersecting ends of the rain gutter sections, to allow...
7736467 Screen assembly for a pulp digester  
A pulp digester includes a vessel having an inlet, an outlet and a wall extending between the inlet and the outlet, the wall of the vessel having a curved interior surface. The digester includes a...
7708898 Tank screening device for use in automated cleaning of investment casting slurry tanks  
A system for removing particles from a slurry tank includes a filtering device and a controller. The filtering device collects and removes particles deposited within the slurry tank and the...
7699179 Retention device for filter screen  
A retention device for use with a filter apparatus having a main frame and an intermediate frame member, and a plurality of parallel filter elements in a filter zone being spaced one from another...
7678271 Collapsible colander and bowl  
A collapsible container consists of three parts: a rigid top rim, a flexible center band, and a rigid base. This combination of sections allows the container to easily collapse to about one-third...
7625199 Plastic filter  
An injection molding die for a mold for fabricating a plastic filter component including a net, at least one supporting rib, and a frame. The molding die includes a plurality of net grooves...
7582100 Spiral shaped filter  
In one embodiment of the present invention there is provided a filter having a first spiral support member having a first end and a second end, a second spiral support member positioned adjacent...
7575677 Environmentally friendly water extraction device  
An aquatic extraction and filtration device, comprising a portable frame, a screen enclosing the portable frame for blocking solids, and piping coupled within the enclosed portable frame for...
7569144 Device for the separation of a fluid into at least two fractions, using a plurality of membrane filters, and use thereof  
The invention relates to a device for the separation of a fluid into at least two fractions, using a plurality of membrane filters, and to the use thereof. The inventive device comprises at least...
7537327 Internal die filters with multiple passageways which are fluidically in parallel  
An internal filter includes a lower substrate and an upper substrate. Fluid passages are formed by etching grooves into the surface(s) of the upper and/or lower substrates and/or in one or more...
7481925 Water filtration system having removable filter panels  
A water filtration panel and a system containing the same are disclosed. The water filtration panel include a substantially rigid frame having a first face, a second face, and an inner dimension; a...
7467718 Combination strainer and service bowl  
A device that combines the functions of a colander or strainer with a leak-proof bowl. This allows you to use the same container to rinse a product, then prepare, condiment, potentially serve the...
7448501 Concentric C-shaped filter and screen topology  
A screen for separating solids and liquids is formed from parallel strips of wedge wire or similar material into a substantially cylindrical two-sided enclosure in a generally C-shaped profile....
7431165 Liquid/solids waste separator  
A liquid/solids waste separator apparatus for use in separating animal waste or waste water into filtered liquid and collected solid particles. It has an elongated housing having a pair of support...
7431837 Mixing vessel and method of use  
A mixing vessel contains a septum, dividing a first chamber from a second chamber. By relatively moving the septum with respect to the ends of the vessel, and flowing a fluid through the septum,...
7413089 Reusable cartridge oil filter  
A replacement filter for conventional throw-away spin-on oil filter cartridge on an internal combustion engine. The replacement filter uses a porous metallic filter element, preferably a woven...
7410569 Filtration system for metalworking fluids  
A filtration system for metalworking fluids has panel filter elements arranged in cells in which the filter frames and panels are approximately parallel to one another. The filter frames are...
7396463 Spiral wound membrane element and a process for preventing telescoping of the filter element  
A process for ultrafiltration using a spiral wound membrane filter is disclosed where the pressure in the space between the filter element and the pressure vessel is higher than or equal to the...
7370766 Filter cloth and replaceable filter module  
A filter cloth whose underside comprises substantially parallel, additional yarns 8 that are thicker than the rest of the yarns of the cloth, substantially parallel channels 9 being formed between...
7344580 Filter unit  
Converting machines give rise to polluted air which must be removed with the aid of fans and filters. The invention aims at removal of the polluted air in such a way that the servicing interval is...
7325694 Flexible strainer  
A strainer is provided to facilitate the washing of an item in a conventional sink. The strainer includes a flexible sheet having a plurality of apertures extending therethrough. Handles project...
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...
7282142 Fluid strainer assembly  
A fluid strainer device is disclosed. The device includes a housing which defines an open chamber, the chamber having both at least one fluid input port and at least one fluid outlet port. A...
7270747 Storm water drain system  
An in-line storm water drain system and a filter basket for a storm water drain system are provided in which the storm water drain system has a housing having an inlet and outlet thereinto and...
7264645 Plate-shaped filter element  
A plate-shaped filter element made from several wire cloth layers and having at least one layer in the form of a filter cloth is designed to allow particles of a certain size can be filtered out...
7243715 Mesh screen apparatus and method of manufacture  
The present invention provides for a design and method of manufacture for a mesh-type screen to be used in subsurface well completions to prevent the production of sand.
7237518 Oil filter for continuous variable valve timing apparatus in engine  
An oil supply passage of a cylinder head increases design freedom of cylinder heads. The oil filter variously sets the oil supplying position through which oil enters into an oil filter. This...
7232517 Passive freestanding portable liquid filtration device  
A freestanding portable liquid filtration device (18) having an upper housing (24), a lower housing (32) and a base (36) which are secured together with an interference fit, with an enclosed lower...
7216767 Screen basket and shale shakers  
A screen mounting basket for a vibratory separator for separating components of material introduced into the basket, the vibratory separator including a collection receptacle beneath the basket,...
7210584 Filter device, in particular for high-pressure applications in a molten polymer filtration  
A filter device, in particular, for high-pressure applications in a molten polymer filtration, has a screw-in piece (10), provided with a first threaded section (12) for fixing the filter device,...
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...
7186347 Vibratory apparatus for separating liquid from liquid laden solid material  
A vibratory apparatus for separating a liquid from a liquid-laden solid material. The apparatus includes an inclined trough having a base with a first end and a second elevated with respect to the...