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Match Document Document Title
8992775 Diatomaceous earth filter apparatus and method  
The invention provides an apparatus and method for removing diatomaceous earth and contaminants from a filter and for filtering liquid using diatomaceous earth. Embodiments of the method can...
8980086 Waste separation and processing system  
A multi-stage method of reducing solids and contaminants from liquid waste and other suitable streams without the use of chemical flocculants or polymers is disclosed.
8961782 Water filtering system  
Grey water is conveyed to a tank, passed through filters, and pumped to an irrigation system. A floating spray component is provided in the tank to automatically backwash the filters to prevent...
8945379 Strainer for pump  
A pool pump strainer having a rotatable trim assembly within a flooded housing cavity. A suction inlet and filtered suction outlet pair and a backwash inlet and backwash outlet pair are formed in...
8926843 Method and apparatus for treating water and controlling effluent surges produced by disc and drum filters  
A disc filter is provided having a controller for controlling effluent surges that are produced by the disc filter. The method entails sensing one or more process variables that are a function of...
8852445 Methods and apparatus for treating water and wastewater employing a cloth disk filter  
A backwash header for a cloth filter disk includes a body having a length a diameter, first and second ends, a longitudinal axis, and an exterior surface, the body defining at least one internal...
8852441 Apparatus for purifying liquids, in particular for purifying ballast water  
The invention relates to an apparatus for purifying liquids, in particular for purifying ballast water.
8808537 Self-contained transportable water treatment system  
A portable self-contained water treatment system. A raw water tank is provided which can be filled by a pump or by manually pouring dirty water into it. The raw water tank can also act as a...
8795527 Filtration system  
A filtration system includes a vessel for housing at least two filtration elements. One or more of the filtration elements is a reverse osmosis membrane or a nanofiltration membrane and one of the...
8795528 Strainer assembly  
A strainer system comprises a strainer housing having an inlet for raw fluid and an outlet for strained fluid; a generally cylindrical strainer basket having a strainer screen and disposed within...
8778174 Methods and apparatus for treating water and wastewater employing a cloth disk filter  
Methods and apparatus for treating water and wastewater include the step of flowing a suspended solids stream generally upward through a sludge blanket region of a cloth disk filter vessel, thus...
8771509 Purifying device for sludge under water and method for operating the same  
The invention is directed to a purifying device for sludge under water and a method for operating the same. The device includes a main fixing frame having an accommodating portion assess to the...
8771514 Sequential filter pack for fluids  
The present invention relates to a filter pack formed by stacking rings, being used as a final element in multistage or single-stage filters. The filtration process is performed by consecutively...
8758623 Liquid to liquid biological particle concentrator  
A rapid one-pass liquid filtration system efficiently concentrates biological particles that are suspended in liquid from a dilute feed suspension. A sample concentrate or retentate suspension is...
8758621 Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis  
A method of purifying impure water contaminated with a filterable impurity and a dissolved impurity, such as seawater, comprising the steps of: providing impure water to a primary microfiltration...
8734641 Tertiary wastewater filtration using inclined filter media and internal reverse flow backwashing of filter disks  
A wastewater tertiary media filtration system capable of enhancing filtration performance while including backwashing capabilities that eliminate turbidity spikes by using compressed fluid...
8685245 Concentrator filter  
A method and an apparatus for separating suspended matter from liquid includes a concentrator filter that draws the liquid out of the suspension while the filter kept unblocked by a sparging...
8641892 Barrel-type fish/particle screen with adjustable flow distribution and debris removal  
Debris adhering to the outer surface of a barrel-type fish screen is cleared by air bursts from a series of perforated air pipes positioned inside the outer foraminous shell of the screen, the...
8628738 Bayer process for producing alumina trihydrate, said process comprising a step in which the supersaturated liquor is filtered at high temperature before decomposition  
Process for manufacturing alumina trihydrate by alkaline attack of bauxite, following the general steps of the Bayer process, and during which, after settling and before decomposition, the...
8512568 Method of cleaning membrane modules  
A method of cleaning a membrane filtration module (6), the module (6) including at least one membrane (8) located in a feed-containing vessel (7), the membrane (8) having a permeable wall which is...
8506762 Pressurized vapor cycle liquid distillation  
Embodiments of the invention are directed toward a novel pressurized vapor cycle for distilling liquids. In some embodiments of the invention, a liquid purification system is revealed, including...
8444862 Device and method for cleaning a filter cloth  
A rotary disc filter device comprises a rotary drum and a plurality of disc-shaped filter members secured about the drum. Each disc-shaped filter member has a filtering material disposed on the...
8398854 Filter system  
The present invention relates to a filter system (1) for removing impurities from a fluid, having a filter housing (2) enclosing a housing interior (3), and having at least one cylindrical filter...
8318021 Water filtration system  
A water or liquid substance filtration device is disclosed which removes microorganisms and organic contamination and sterilizes the containers and water lines after the unit. The unit is...
8309711 Filtration of corn starch followed by washing and collection of the resultant corn starch cake  
The method of forming a filter cake from a slurry comprising the steps of feeding the slurry into a filter housing, wherein the filter housing includes a plurality of vertical filter elements;...
8298421 Filter device  
A filter device for the insertion of filter elements (28) to be positioned in a filter housing (10) having a filter inlet (20) and a filter outlet (22) for the fluid to be filtered. The filter...
8287726 Filter for removing sediment from water  
A system for removing sediment from water is disclosed. The exemplary embodiments described herein disclose a system comprising a filter chamber, having a deck positioned inside to divide it into...
8221618 Filter for removing sediment from water  
An apparatus, system, and method for removing sediment from water is disclosed. According to one embodiment of the present invention, the apparatus includes a tubular filter assembly comprising a...
8202422 Fluid system  
A fluid system for a pump circuit (10), in particular a hydraulic high-pressure pump circuit, has a function block (12). In the housing of the function block, fluid-conducting paths extend and are...
8187472 System to enhance and control the pressurization, operating pressures, and flushing of drip dispersal systems  
A drip disposal system includes a fluid source including a pump for cyclically pumping fluid from the fluid source, a set of drip field lines connected to the fluid source for dispersing at least...
8177073 Water processor  
A quickly cleanable water processor includes a shell, a water pipe, at least one filtering unit and a cleaning unit. The shell includes a space defined therein, a water inlet, a water outlet and...
8123935 Filter for removing sediment from water  
A system for removing sediment from water is disclosed. The exemplary embodiments described herein disclose a system comprising a filter chamber, having a deck positioned inside to divide it into...
8083943 Filtration device  
A filtration device is provided having a large number of filters, each comprising a filter element and a casing. The device includes filter strings constructed so that a plurality of filters are...
8017010 Device for filtering a liquefied synthetic material  
A device for filtering a liquid synthetic material. The device has a housing, a feed channel, a discharge channel, and backflow channels. The feed duct is subdivided into split-feed channels (2A,...
7892421 Stationary cloth media filtration and self-aligning backwash assembly  
The present inventions relate to water and wastewater treatment devices including stationary cloth filter media support structures forming effluent plenums for the filtered influent and...
7867395 Valveless intake screen airburst system  
A method and apparatus for a backwash system for cleaning an underwater intake filter assembly is disclosed. The backwash system includes an underwater tank coupled on one end to a source of...
7857980 Plant for filtering substances  
Plant for filtering substances to be cleaned of various kinds of semi-solid or liquid polluting substances, constituted by filtering devices (5) connected to each other, including a first...
7704382 Gravity type fiber filter  
The present invention provides a gravity fiber filter, comprising: a filter tank placed in a portion of a large amount of running water; at least one unit filter disposed in the filter tank; a...
7635435 Method and apparatus for oil water separation  
A method and apparatus for separating immiscible liquids in a dispersion containing an aqueous liquid and at least one dispersed non-aqueous liquid by passing the dispersion through a series of...
7537689 Tertiary filter  
An apparatus for filtering suspended solids from a liquid having a group of filters mounted inside a filter chamber. The filters divide the chamber into dirty liquid chambers and clean liquid...
7530463 Backwashable filtering device  
A backwashable filtering device for thermoplastic plastics material is disclosed. The device can filter thermoplastic plastics material through one or more nests of screens in the filtering...
7517376 Reverse pulse cleaning of filter elements  
An air supply system and valve is disclosed which provides a reverse pulse of air for cleaning a filter element located in a filter house. A valve is also disclosed for use in the air supply...
7514010 Water filtering method and apparatus  
A “polishing” water filter for the micro-filtration of fine particles comprises a porous ceramic substrate, having an average pore size in the range of about 0.2 to about 100 microns, which is...
7445716 Crossflow pressure liquid filtration with ultrasonic enhancement  
Methods and apparatus for increasing the duration of uninterrupted filtering flow by using crossflow filtration and ultrasonic energy with in difficult to filter process liquids (e.g. of the kind...
7419592 Device for filtering a fluid especially for plastic-processing installations  
The invention relates to a device for filtering a fluid, especially a liquefied plastic, said device comprising a housing, a supply channel, a discharge channel and optionally backwash channels....
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...
7399419 Modular filtration system  
A filter system includes a set of modules, each module including screen assemblies and filter media sandwiched between the screen assemblies. A plurality of control assemblies are associated with...
7390419 Waste water recovery system  
A waste water recovery system to filter and recirculate waste water to a wash system including a fluid recovery line, a fluid supply line and a fluid backwash line comprising a filter assembly...
7332007 Dusting device with multiple stream nozzles  
A dedusting device 1 with a demister 15 advantageously arranged standing obliquely has a very compact construction because sufficient moistening or wetting of dust-containing crude air 24 is...
7288186 Filtrate immersed activation assembly for disk filters  
A self cleaning filtration device wherein an activation piston, laterally supported within an activation cylinder is immersed in filtrate within the confines of an immersion chamber. The immersion...

Matches 1 - 50 out of 334 1 2 3 4 5 6 7 >