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| Application No. | Application Title | Issue Date |
| 20120031858 | ALGAE HARVESTING DEVICES AND METHODS Systems and methods for filtering and collecting algae from fluid including a piston and pressurized air system to scrape and clean algae from the filter.... | 02/09/2012 |
| 20110278230 | PROCESS FOR IN-SITU CLEANING OF DRINKING WATER FILTRATION MEDIA The present invention provides a process to clean water filtration media in a filtration bed. The process includes applying a granular cleaner to the water filtration media and applying an activator to the water filtration media. This causes a chemical reaction between ... | 11/17/2011 |
| 20110233151 | Cross flow filter device Cross flow filter device comprising a longitudinal first filter element (1) having a first width (w1) and a longitudinal central axis (8), a longitudinal second filter element (2) having a second width (w2) and being longitudinally ins... | 09/29/2011 |
| 20110168641 | METHOD AND COMPUTER PROGRAM PRODUCT FOR TREATING LIQUID CONTAINING IMPURITIES A method and a computer program product performs a backwash process, which facilitates a reduction in a reject rate associated with a water treatment tank. A determination is made as to whether or not the water treatment tank is in need of a backwash process, and if so,... | 07/14/2011 |
| 20110073550 | METHOD FOR OPERATING A FILTER APPARATUS AND FILTER APPARATUS The disclosure relates to a filter apparatus together with a method for the filtration of liquids, such as, in particular, water, with a housing with an inlet and a filtrate outlet for filtered liquid, with a filter means which is arranged in the flow path of the liquid... | 03/31/2011 |
| 20110044859 | SYNTHESIS REACTION SYSTEM FOR HYDROCARBON COMPOUND, AND METHOD OF REMOVING POWDERED CATALYST PARTICLES A synthesis reaction system is provided with: a reactor which synthesizes a hydrocarbon compound by a chemical reaction of a synthesis gas including hydrogen and carbon monoxide as main components, and a slurry having solid catalyst particles suspended in liquid; a sepa... | 02/24/2011 |
| 20100276377 | STRAINER ASSEMBLY A strainer system comprises a strainer housing having a first end portion and a second end portion, an inlet for raw fluid and an outlet for strained fluid, the outlet for strained fluid being disposed in the first end portion of the housing; a strainer basket having a ... | 11/04/2010 |
| 20100200522 | System and Method for Water Treatment Regeneration Stage Embodiments of the invention provide a method and system for providing a regeneration stage in a water treatment system. The method can include entering a first air bleed state to allow pressurized, deoxygenated air to exit the water treatment system, entering a second ... | 08/12/2010 |
| 20100176071 | Water treatment apparatus and a method for cleaning a filter layer of a water treatment apparatus A water treatment apparatus includes a raw water supply tube, mixed raw water stream jet nozzles each communicating at one end thereof with the raw water supply tube and having at the other end thereof a raw water outlet from which mixed stream of raw water and air is j... | 07/15/2010 |
| 20100176070 | FILTER RENEWAL SYSTEM AND A METHOD THEREOF An apparatus and a method of rejuvenating capillary filters (2) using both gas agitation of the liquid about the surface of capillary filters (2) and backflushing the capillary filters (2) is disclosed. The gas agitation loosens residue on the surfa... | 07/15/2010 |
| 20100140170 | Filter cleaning method A method cleans a plurality of filters in parallel, each a filter having an inlet side and an outlet side separated by a filter barrier. In an operational phase, water is filtered using a plurality of the filters, by passing the water through the filter, from the inlet ... | 06/10/2010 |
| 20100140191 | METHOD AND APPARATUS FOR SEPARATION OF SOLIDS AND LIQUID SUSPENSIONS BY FILTER UNCLOGGING AIDED FILTRATION Method and apparatus for separation of solid particles in liquid suspension by non-continuous filter unclogging aided filtration. The said method uses vacuum as suspension flowing force, which is applied under a closed circuit. The said separation is based on filtration... | 06/10/2010 |
| 20100140190 | SCREENED DECANTER ASSEMBLY FOR A SETTLING TANK A driven decanter assembly for a wastewater primary treatment system, comprising a longitudinal decanter disposable in the wastewater and having a longitudinal trough and a horizontal entrance weir, a polygonal or arcuate screen attached to the decanter and having at le... | 06/10/2010 |
| 20100140189 | FLUID FILTER A fluid filter comprises a filter casing having an inlet end at which a fluid to be filtered is introducible, an and a filtration channel, a plurality of fibres extending longitudinally inside the channel, the fibres being expandable in a direction perpendicular to thei... | 06/10/2010 |
| 20100133204 | REUSABLE FILTERS FOR FLUID LOSS MEASUREMENTS OF DRILLING FLUIDS A reusable filter for testing drilling fluids including a non-porous filter medium configured to be disposed in a drilling fluid testing device. The non-porous filter medium having a plurality of perforations extending therethrough. Additionally, a method of cleaning a ... | 06/03/2010 |
| 20100089843 | DOUBLE FILTRATION BLOOD PURIFICATION APPARATUS AND METHOD OF PRIMING THEREFOR To provide a double filtration blood purification apparatus that can be primed while generation of bubbles within each of a separating membrane in both of a blood component separator and a plasma component separator is avoided and also to provide a method of priming suc... | 04/15/2010 |
| 20100089148 | METHOD AND SYSTEM FOR THE PROTECTION OF INTERNAL FILTERS OF A LTFT SLURRY BUBBLE REACTOR The invention provides a method for the protection of internal filters of a LTFT slurry bubble reactor. The method includes the step of activating an emergency back-flush procedure during low slurry level conditions and/or during increasing temperature of an internal fi... | 04/15/2010 |
| 20090321364 | SYSTEMS AND METHODS FOR FILTERING NANOWIRES In order to filter a solution containing nanowires, a flow of the solution is generated and directed through a passage defining an aperture having a narrow width. Alternatively, a flow of the solution may be generated and directed over a micro-structured surface configu... | 12/31/2009 |
| 20090277850 | Implantable Fluid Separation System An implantable fluid separator having a housing holding a membrane which allows fluid to pass through. The fluid is drained from the housing and removed from the body.... | 11/12/2009 |
| 20090261046 | FILTRATION METHOD AND INSTALLATION The invention provides a method for the separation of liquid from a three phase slurry bubble column. The method includes the step of charging the inside of a hollow filter element with a rinsing fluid to clean the inside of the filter for catalyst fines followed by a b... | 10/22/2009 |
| 20090223906 | APPARATUS FOR CLEANING STATIONARY, PERMANENT VERTICAL CYLINDRICAL CARTRIDGES INCORPORATING A FLOAT AFFIXED TO A CENTRAL AND LINEARLY TRAVERSABLE BACKWASH TUBE INCORPORATING SPRAY NOZZLES TO INDUCE ROTATION A liquid filter with multiple vertical filter tubes covered with a permanent filter septum that can be backwashed through an inner backwash tube with radial nozzles that rotate the tube and advances it up by a float in the top clean compartment and descends with liquid ... | 09/10/2009 |
| 20090152210 | APPARATUS AND METHOD TO ELUTE MICROORGANISMS FROM A FILTER There is provided apparatuses and methods for eluting microorganisms from filter media. The apparatus includes a housing for receiving filer media suspected of containing microorganisms and means for exposing the filter media to a pressurized buffer solution. By passing... | 06/18/2009 |
| 20090139939 | Method & Apparatus for Steam Backwashing a Filter Assembly A method for steam backwashing a filter assembly. The filter assembly has a housing for receiving contaminated liquid and discharging filtered liquid, a filter positioned within the housing for filtering the contaminated liquid, and a drain coupled with the housing. Ste... | 06/04/2009 |
| 20090127212 | Chemical Cleaning Agent And Process For Cleaning Filtration Membranes Methods for cleaning a membrane, such a porous polymeric ultrafiltration or microfĂltration membranes (eg PVdF or Halar), comprising contacting the membrane with an aqueous solution comprising a monopersulfate anion. Buffers, chelating agents, catalysts, and combinatio... | 05/21/2009 |
| 20090101601 | FILTER DEVICE AND FILTER METHOD In order to provide a filter device for filtering a fluid medium containing solids, comprising a backflushing filter and a flushing line, by means of which fluid backflushed during a backflushing phase from the backflushing filter can be supplied to a further treatment ... | 04/23/2009 |
| 20090050582 | Self-Cleaning System For Filter A self-cleaning system for use with a filter having a fluid inlet station, including (a) a manifold mountable at least for reciprocation along an axis with respect to said filter and comprising at least one suction opening adapted to be in proximity to said station and ... | 02/26/2009 |
| 20080277357 | Filtering systems with integral filter back-flushing A filter system includes a distribution valve operable to direct a received fluid stream to first and second outlets during respective first and second cycles. A filtering system filters at least some fluid output from the first outlet of the distribution valve during t... | 11/13/2008 |
| 20080272065 | MOLECULAR SEPARATOR The present invention discloses a method and apparatus for separating particles and dissolved matter from an untreated fluid stream. Specifically, the present invention includes a first pressure source which transports untreated fluid or contaminated aqueous fluid into ... | 11/06/2008 |
| 20080251467 | Back flushable strainer device A strainer device for a fluid flow circuit removes debris and solid particles from the fluid flow to prevent plugging and reduce fouling of the system. The assembly includes a chamber that can be hydrocyclonic, a collection area, a screen assembly and a distributor that... | 10/16/2008 |
| 20080245750 | Apparatus and Method For Distributing Gas and Liquid During Backwash in Filter Underdrain Flumes Using Dual Separation A backwash distribution apparatus for a filter having a filter tank and a plurality of underdrain laterals includes a first and second separator device positioned in a common main conduit to define first and second auxiliary flumes. The first and second auxiliary flumes... | 10/09/2008 |
| 20080223043 | FILTERING APPARATUS, BACK WASH METHOD THEREFOR, FILTERING DEVICE AND POWER PLANT A filtering apparatus having a vessel and a filter made from fluororesin and treated before filtering operation by at least one of adding thermal treatment in gas or liquid and penetrating with fluid composed of hot water or steam at a temperature of less than melting p... | 09/18/2008 |
| 20080203036 | C02 RECOVERY SYSTEM AND SOLID-PARTICLES REMOVING METHOD FOR USE IN THE SAME A solution contained in a regeneration tower is supplied to a filtering unit. The filter unit filters out solid particles contained in the solution. A washing unit washes out with backwash water solid particles filtered out by the filter unit. An evaporating unit receiv... | 08/28/2008 |
| 20080128369 | Methods and Systems for Filtration Methods and systems for filtration are disclosed. A feed mixture including at least one liquid component a flow of gas may he directed to a filter element and filtrate and gas may be passed through a filter medium from a feed fluid side to a filtrate side. The gas loose... | 06/05/2008 |
| 20080116145 | Molecular Separator The present invention discloses a method and apparatus for separating particles and dissolved matter from a fluid stream. Specifically, the present invention includes a first pressure source which transports untreated fluid into a separator annulus with a filter element... | 05/22/2008 |
| 20070292935 | Method and Apparatus for Separation of Solids and Liquid Suspensions by Filter Unclogging Aided Filtration Method and apparatus for separation of solid particles in liquid suspension by non-continuous filter unclogging aided filtration. The said method uses vacuum as suspension flowing force, which is applied under a closed circuit. The said separation is based on filtration... | 12/20/2007 |
| 20070278162 | Method Of, And Apparatus For,Treating, Filtering And Cleaning A Working Medium A method is provided for attending to, filtrating and cleaning a working medium using at least one filter in a filter housing which adjoins a discharge device for a filter cake. The filtered out particles are gradually compacted in the discharge device to give the filte... | 12/06/2007 |
| 20060175270 | Compact backwashable water filter system A water filter system (10) for home use, includes a valve (34) that passes pressured water from a municipal water supply (30) though the inlet (20) of a passage (14) containing bidirectional filter elements (16) so the water has... | 08/10/2006 |
| 20060070962 | Filtering method and filtering device Using the filter auxiliary agent separated by backwashing from a filter element repeatedly and effectively, the consumption amount of a filter auxiliary agent and the generation of industrial waste can be suppressed. In a filter auxiliary agent pre-coat circuit, a filte... | 04/06/2006 |
| 20060043029 | Continuous liquid delivery system with anti-clog function A continuous liquid delivery system which includes at least one primary filter and at least one secondary filter for alternatively receiving a liquid such as a CMP polishing slurry. A primary backwash circuit is provided in fluid communication with each primary filter f... | 03/02/2006 |
| 20060027512 | Methods and apparatus for removing fine particulate contaminants from commercial laundry waste water A waste water filter apparatus includes a filter vessel, a filter, and a pump. The filter vessel acts as a buffer in which waste water enters at the bottom and exits at the top. While the water is in the filter vessel, it is pumped from the bottom by the pump through th... | 02/09/2006 |
