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| Number | Title | Issue Date |
| 7364662 | Scraper adjustment mechanism and method A scraper adjustment mechanism and method for a filter that permits an operator to adjust the distance between the scraper and a filter surface without the need to have access to the filter/scraper interface, or fasteners within the filter. ... | 04/29/2008 |
| 7335312 | Centrifuge with combinations of multiple features A centrifuge with combinations of multiple features is disclosed. In one aspect, a centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a sleeve. The fluid separation wall rotates around the axis of rotation.... | 02/26/2008 |
| 7331469 | Vibratory separator with automatically adjustable beach A vibratory separator having a basket for supporting screen apparatus for treating material, the basket pivotably mounted on a base, vibratory apparatus connected to the basket for vibrating the basket, the material forming a pool on the screen apparatus, and a beac... | 02/19/2008 |
| 7322431 | Advanced ultrasonic processor An ultrasonic processor for continuous processing of material is disclosed comprising an enclosed processor chamber (12) having opposed end wall (18) and (16) and an input (40) and an output (42) so that material to be processed ca... | 01/29/2008 |
| 7293720 | Fluid balanced paint system Disclosed herein is a paint circulation system for a painting line, comprising a supply channel, a return channel and a plurality of drop lines downstream of the supply channel and upstream of the return channel, a paint pump means for circulating paint through the ... | 11/13/2007 |
| 7285225 | Method and apparatus for concentrating a slurry The current invention provides improved methods and filter stacks for concentrating a slurry of titanium dioxide. The improved filter stack comprises a series of filter disks and diverter trays arranged in parallel. The present invention provides an improvement over... | 10/23/2007 |
| 7282147 | Cleaning hollow core membrane fibers using vibration A filtration system is provided with hollow membrane filter elements operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and ultrasonic energy may be used to clean exterior portions of the hollow membrane filter elem... | 10/16/2007 |
| 7278540 | Adjustable basket vibratory separator A vibratory separator having a base, a basket movably mounted on the base and for supporting screen apparatus for treating material introduced into the vibratory separator, the basket on a base and pivotable with respect thereto, vibratory apparatus connected to the... | 10/09/2007 |
| 7261823 | Ultrasonic transducer system The method is for treating a liquid or slurry with an ultrasonic energy. A first rotatable member being permeable to a medium and a first vibrating device are provided. The first vibrating device and the first member have a first gap formed therebetween so that the ... | 08/28/2007 |
| 7229562 | Integrated dual cross flow filtration and ultrasonic transducer assembly A filtration system comprising a filter cassette having integrated ultrasonic transducers incorporated therein, and a method for using the same. The integrated system of filters and transducers can be hardened for use in hazardous environments, and is particularly s... | 06/12/2007 |
| 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 first end. A deck is attached to the trough base, the deck defining s... | 03/06/2007 |
| 7108793 | Method of separating liquid from liquid laden solid material A method of separating a liquid from a liquid-laden solid material includes providing a trough having a deck defining a support surface with passages extending through the support surface. The liquid-laden solid material is deposited onto the support surface so that... | 09/19/2006 |
| 7083735 | High debris content strainer A high debris content strainer that utilizes a cylindrically-shaped screen having four removal assemblies positioned evenly around the screen periphery. Each removal assembly includes a backwash spray bar on the downstream side of the screen and a scraper/brush and ... | 08/01/2006 |
| 7074338 | 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 f... | 07/11/2006 |
| 7055697 | System for separating fluid-borne material from a fluid that carries particulate matter along with the material A system for screening fluid-borne material from a fluid that carries particulate matter along with the material, e.g. for screening usable fibers in papermaking or tissue making white water that also contains waste material such as fines and ash. The system employs... | 06/06/2006 |
| 7056366 | Method and apparatus for increasing the operating lifetime of gas filters by an acoustic field A method for slowing down the increase in pressure drop across a gas filter caused by clogging as a result of a contaminant particles layer being formed on the filter. The method includes applying acoustic waves from an acoustic wave source to a gas to be filtered a... | 06/06/2006 |
| 7008540 | Ultrasonically cleaned membrane filtration system A filtration system and a method of cleaning a particle and/or colloidal fouled filtration membrane are provided. The filtration system includes at least one filtration membrane disposed in a casing, and at least one ultrasonic transducer in direct contact with a fl... | 03/07/2006 |
| 6976592 | 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 waste particles. It has an elongated housing having a pair of support legs attached adjacent to the rear end of the housing for varyi... | 12/20/2005 |
| 6953097 | Drilling systems Systems and methods for providing a mixture of drilling fluid and beads into a flow of drilling fluid, e.g., flowing in a conduit or flowing upwardly within an annulus of a riser, the method in certain aspects including: introducing an initial stream including a mix... | 10/11/2005 |
| 6953122 | Smart screening machine A screening machine that includes a screen having a periphery and a central porous region is provided. A motion amplifier is substantially rigidly attached in direct contact with the periphery of the screen and not in direct contact with the central porous region. A... | 10/11/2005 |
| 6939398 | Drum scrubber The invention creates a new type of scrubbers: drum scrubber. In the drum scrubber, processed gas passes through a wet fiber filter, but unlike previously invented fiber-bed scrubber, the fiber is constantly cleaned. The cleaning is achieved by using filter material... | 09/06/2005 |
| 6932913 | Method for vibration in a centrifuge A system and method for vibration in a centrifuge is disclosed. A centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a non-rotating sleeve. The fluid separation wall rotates around the axis of rotation and ... | 08/23/2005 |
| 6931950 | System and processes for particulate analysis A system for analyzing particles including: a source of solid particles; a sampler apparatus attached to and integral with the source of solid particles which apparatus is adapted to enable removal of small amounts of sample material from the source; a sonication ce... | 08/23/2005 |
| 6861004 | Self-cleaning water filter A self-cleaning water filter, coupled to a water flow having particulates therein, that includes a pair of canisters, each having a cylindrical wedge wire water filter screen. An elongated brush running the length of the screen is disposed between two confining wall... | 03/01/2005 |
| 6821444 | Self-cleaning fuel oil strainer A self-cleaning fuel oil strainer, coupled to a continuous fuel flow, that includes a pair of canisters, each having a cylindrical wedge wire fuel oil filter screen. An elongated brush running the length of the screen is disposed between two confining walls also run... | 11/23/2004 |
| 6805805 | System and method for receptacle wall vibration in a centrifuge A system and method for receptacle wall vibration in a centrifuge is disclosed. A centrifuge for removing more dense material from a fluid medium includes a vibratory device associated with the receptacle wall to create a vibratory force. ... | 10/19/2004 |
| 6712981 | Method of cleaning a cylindrical water strainer utilizing reverse flow and ultrasonic energy A method for reducing the amount of cleaned water required in cleaning a particulate strainer using a reverse flow system is disclosed herein. The method includes the steps of: disposing a stationary cylindrical strainer in a first fluid flow to capture particulates... | 03/30/2004 |
| 6706180 | System for vibration in a centrifuge A system and method for vibration in a centrifuge is disclosed. A centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a non-rotating sleeve. The fluid separation wall rotates around the axis of rotation and ... | 03/16/2004 |
| 6599434 | Fine coal recovering process A process and system for recovering fine coal having a size at or below 400 mesh. The process and system includes a series of cyclone separators, a vibrating screen, a centrifuge and a flow path to clean, recover and dewater fine coal having a nominal siz... | 07/29/2003 |
| 6592765 | Method and device for collecting oil mixed with ice blocks A method and a device for separating oil from ice. In the method, ice is pressed under the water along an inclined surface formed by a bar screen (3) or a grating. The oil is separated from the ice by vibrating the inclined surface formed by the bar scree... | 07/15/2003 |
| 6517733 | Continuous flow liquids/solids slurry cleaning, recycling and mixing system A continuous flow slurry cleaning method, apparatus and system including a filter portion and a mud re-circulation manifold for receiving partially filtered slurry, containing the slurry and mixing the slurry with liquid ready for use and thereby enabling... | 02/11/2003 |
| 6461524 | Method of filtering a fluid A fluid is filtered by first preparing a filter which includes a base filter and solid substances provided on the base filter, such that the solid substances differ from objects within the fluid to be filtered that are removed by the filter. The objects o... | 10/08/2002 |
| 6461523 | Solids separation mechanism A mechanism and method for separating solids from a slurry includes a screen, and an extractor screw connected to the screen outlet by means of a flexible conduit, wherein the outlet of the extractor screw is at a higher elevation than the outlet of the s... | 10/08/2002 |
| 6461503 | Interengaged rotary disc filters There is provided an apparatus for the filtration of fluid media, in particular for the pre-screening of media, that has a primary pack of hollow discs, which are arranged parallel to each other at regular distances to each other, the walls of which are m... | 10/08/2002 |
| 6457588 | Treatment of fluid having lost circulation material A method for separating fluid and fibrous lost circulation material from a mixture of fluid, drilled cuttings and fibrous lost circulation material, the method including introducing the mixture onto a screen assembly that has at least two layers of screen... | 10/01/2002 |
| 6458283 | Lost circulation fluid treatment A method for separating fluid and fibrous lost circulation material from a mixture thereof that also includes drilled cuttings, the method including introducing the mixture onto a screen assembly that is vibrating for passage of the fluid and fibrous lost... | 10/01/2002 |
| 6428709 | Method of filtering a fluid Removables 12 trapped by a first filter film 10 are used as a second filter film 13, and clogging of the first filter film 10 is prevented, and an external force such as bubbles is applied to the second filter film 13 to maintain filtering capacity. And w... | 08/06/2002 |
| 6419835 | Method for producing a filter cake The invention relates to a method for producing a solids cake created in filtering performed by a suction drier provided with a fine porous liquid suction surface, in which method there is created, in order to produce said solids cake, a pressure differen... | 07/16/2002 |
| 6352159 | Dual deck dewatering screen A vibrating dual deck dewatering unit which includes a lower screen deck and an upper screen deck. Material being processed by the unit is discharged from the upper screen deck onto the lower screen deck in such a manner that excess water is allowed to ba... | 03/05/2002 |
| 6284136 | Apparatus for cleaning a filter surface The invention relates to a method and apparatus for cleaning the filter surface (2, 3) of a filter medium in a suction drier. According to the invention, in order to mark the surface to be cleaned, in contact with the surface to be cleaned there is set a ... | 09/04/2001 |
