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| Number | Title | Issue Date |
| 8158000 | System and method of separating hydrocarbons A system for separating hydrocarbons from a solid source, the system including a mixer configured to produce a slurry including the solid source and a liquid, and a first separator in fluid communication with the mixer, the first separator configured to separate hyd... | 04/17/2012 |
| 7309445 | Transferring slurry from a vessel Apparatus for transferring slurry from a vessel having a plurality of slurry collection points. The apparatus includes a manifold having a plurality of inlets in flow communication with one or more outlets and a plurality of pressure-reducing cyclones. Each cyclone ... | 12/18/2007 |
| 7291197 | Particulate trap filter element A filter element has a filter media and at least one base member. The filter element further has a ceramic paste connecting the filter media to the at least one base member. ... | 11/06/2007 |
| 7195034 | Fluid trim apparatus and method A noise reducing apparatus and method for handling of fluid comprises a plurality of discs stacked on one another, each disc having a radially inner periphery and a radially outer periphery, and a plurality of fluid flow channels defined on at least some of the disc... | 03/27/2007 |
| 7069950 | Noise abatement module using Herschel-Quincke tubes A noise-attenuating module of a valve trim, including: a first divider plate; a second divider plate; and a plurality of flow segment plates disposed adjacent to and in contact with one another. At least one Herschel-Quincke tube flow path is formed by interconnecte... | 07/04/2006 |
| 7013918 | Fluid pressure reduction device A fluid pressure reduction device comprises a plurality of stacked disks having a perimeter and a hollow center aligned along a longitudinal axis. Each disk has at least one flow path extending between the hollow center and the perimeter, the flow path including an ... | 03/21/2006 |
| 6878283 | Filter cartridge assemblies and methods for filtering fluids Filter cartridge assemblies and housings are provided and include a tubular housing having an inner wall, an outer wall, a first end, and a second end. The housings include inner walls with shoulders or other radially-inwardly extending flow directors at the interse... | 04/12/2005 |
| 6823721 | Method and system for mass flow balance accounting A system which receives as inputs various measurements of solids and liquids in a clarification system and, from these measurements, determines the various constituents and their fractional makeup within the system. The measurements may be made manually or mechanica... | 11/30/2004 |
| 6824695 | System and method for water purification A self-contained, portable water purification system, including (a) an ozone supply, (b) an ozone contact chamber mixing a contaminated or potentially contaminated water stream with ozone generated by such ozone supply, (c) an ozone destruction unit for destructing ... | 11/30/2004 |
| 6743365 | Magnetic filtration system A magnetic filtration system includes one or a plurality of collection units (1) comprising a magnet (4) disposed between a pair of plates (2, 3), one plate being magnetized North, the other, South. The plates are provided with facing apertures ... | 06/01/2004 |
| 6649917 | Cleaning system for UV disinfection module/reactor A cleaning system for a UV disinfection module having a pair of headers with a multiplicity of lamps extending therebetween including a cleaning plate having a multiplicity of openings therein, the openings having lamp wipers and arranged to substantially... | 11/18/2003 |
| 6589749 | Liquid specimen container and attachable testing modules A biological fluid collection container comprising a cup member, a lid assembly removably mounted to the cup member comprising a housing with a downwardly extending cylindrical skirt, a luer lock with a throughgoing bore extending from one side of the lid... | 07/08/2003 |
| 6527960 | Jet pump treatment of heavy oil production sand A process for separating oily films from sand particles carried in a solvent free water stream includes the use of a jet pump scrubber in a density classification tank to treat such oily coated particles at controlled operating temperatures above 65° C. ... | 03/04/2003 |
| 6489132 | Methods and apparatus for determining specific analytes in foods and other complex matrices Methods and apparatus for qualitatively or quantitatively determining one or more analytes in matrices such as foods, biological fluids, etc. An embodiment for determination of a single analyte comprises a sample receiving vessel, a first membrane and a r... | 12/03/2002 |
| 6479680 | Method for reacting an organic compound with a hydroperoxide A process for the reaction of an organic compound with a hydroperoxide comprises at least the steps (i) to (iii) below: (i) reaction of the hydroperoxide with the organic compound to give a mixture comprising the reacted organic compound and unreacted hyd... | 11/12/2002 |
| 6358415 | Vortex sewage disposal apparatus A vortex sewage disposal apparatus for the disposal of construction sewage, comprising a hopper-type casing, a water inlet pipe, a lower outlet and a frame; within the water inlet pipe these are provided rapid-mixing blades, on the wall of the inlet pipe ... | 03/19/2002 |
| 6338795 | Purifying system A second purifying apparatus 2 for furthermore purifying working solution purified by a first purifying apparatus 1 is disposed downstream of the first purifying apparatus 1. A working-solution introducing pipe 42 which is capable of diffusing and dischar... | 01/15/2002 |
| 6322710 | Slurry managing system and slurry managing method A managing system for managing slurry, which is used to machine workpieces. The slurry contains dispersion liquid and abrasive grains. Slurry that has been used in machining further includes impurities that are smaller than the abrasive grains. A first de... | 11/27/2001 |
| 6280639 | Method and apparatus for automatic cleaning of a swimming pool A self-cleaning swimming pool with an improved skimmer and floor drain design. Two skimmers are preferably located approximately across the pool from each other, and each skimmer is located approximately across the pool from two upper return nozzles such ... | 08/28/2001 |
| 6241945 | Modular combined pump, filtration, oxygenation and/or debubbler apparatus A customized pump, filtration, oxygenation and/or debubbler apparatus includes a first pump module, a filtration module, an oxygenation module, a debubbler module and/or a second pump module. Each module is formed of stackable support members with filtrat... | 06/05/2001 |
| 6224767 | Fluid separation element assembly A fluid separation element assembly comprises a fluid separation element having a membrane unit and a wrapping material formed around the membrane unit, an anti-telescoping plate attached to at least one end of the fluid separation element at a condition ... | 05/01/2001 |
| 6214220 | Combined process vessel apparatus An apparatus for removing oil or gas from a wastewater flow stream includes a vessel having a vessel wall surrounding an interior. A flow inlet is provided for transmitting wastewater to be treated to the vessel interior. The vessel provides a primary oil... | 04/10/2001 |
| 6132609 | Combination water filter tank A combination water filter tank, which includes a rectangular housing, three transverse partition boards disposed in the housing and defining a first sedimentation chamber, a second sedimentation chamber, a third sedimentation chamber and a fourth sedimen... | 10/17/2000 |
| 6010011 | Flotation apparatus for mineral processing Flotation equipment for mineral processing having a single column with multi-sections or chambers in which the partitions between chambers can be moved for optimum hydrodynamics resulting in the separation of different particles in each chamber which rise... | 01/04/2000 |
| 5954969 | Recovery of iron oxides from polluted coal mine drainage A method and system is provided for producing a commercially usable iron oxide material by treating iron contaminated water. A clean effluent is also produced. Iron contaminated water is sampled to determine a bicarbonate to iron molar ratio. The flow of ... | 09/21/1999 |
| 5897772 | Multi-stage flotation column An apparatus and method are disclosed for environmental applications such as waste water treatment, de-inking of recycled paper, chemical/biochemical waste clean-up, and mineral beneficiation, using a multi-stage flotation column. A series of draft tubes ... | 04/27/1999 |
| 5807490 | Method of separating polymers from mixtures thereof A method of separating two immiscible, melt-viscosity-differing thermoplastic polymer components from a mixed liquid stream thereof forms two discrete and continuous phases having a sheath/core configuration, wherein the sheath substantially contains the ... | 09/15/1998 |
| 5797328 | Device and method for purification and recirculation of cleaning agent in a printing machine The invention relates to a device and method for removal of impurities from, and recirculation of, cleaning agent in a printing machine. Contaminated cleaning agent is purified by passing it through a series of sedimentation devices. In these sedimentatio... | 08/25/1998 |
| 5702612 | Method and apparatus for flotation separation A flotation method and apparatus for separating a selected constituent from an effluent of an industrial process is provided. The apparatus includes a conditioning tank and a flotation cell. The conditioning tank allows mixing a flotation reagent with an ... | 12/30/1997 |
| 5693225 | Downhole fluid separation system A downhole fluid separation system is used with submergible pumping systems to separate downhole fluids into different density fluids, recover the lighter fluids to the earth's surface, and dispose the heavier fluids downhole. The fluid separation system ... | 12/02/1997 |
| 5611363 | Oil spill cleaner A system for removing oil from oil/water or oil/sand or oil/water/sand mixtures. An oil/water mixture is taken from an oil spill on the surface of the water or from other sources such as producing oil wells and is transported to a surge tank where it is a... | 03/18/1997 |
| 5575615 | Multiphase fluid treatment Apparatus for the treatment of a multiphase fluid, comprises a pretreatment stage (60) upstream of a treatment stage, the pretreatment stage being arranged to cause an incoming flow of multiphase fluid to concentrate fluids of greater and lesser specific ... | 11/19/1996 |
| 5556539 | Apparatus for separating a liquid mixture by pervaporation An apparatus for separating a liquid by pervaporation, which comprises at least one pervaporation membrane module unit for purifying a liquid to be treated, a supply line connected to said pervaporation membrane module unit for supplying the liquid to be ... | 09/17/1996 |
| 5543043 | Clarification of produced water in the oil and gas industry Apparatus for clarifying produced water. A flotation chamber has a produced water inlet, a clean water outlet, and is segmented into a plurality of cells by baffles. An oil overflow compartment is in fluid communication with the upper portion of the chamb... | 08/06/1996 |
| 5540849 | Stacked plate eddy current-filter and method of use A filter for filtering particulates from a particulate-containing fluid stream passing through the filter, contains one or more flow plates, each of the flow plates having (a) one or more primary fluid flow passages; and (b) one or more particulates-colle... | 07/30/1996 |
| 5509535 | Flotation apparatus A flotation apparatus has an array of flotation cells which are in serial fluid flow communication from a first to a last cell. Each cell is in overflow communication with an overflow froth receiving receptacle which preferably has a top lip of slightly v... | 04/23/1996 |
| 5445730 | Grease/oil/water separator device for vehicle wash system A grease/oil/water separator device and assembly for a vehicle wash system having a grease/oil/water separator tank which has three tank compartments. A first tank, a settling tank, is provided with entrance and exit piping such that a diagonal cross-flow... | 08/29/1995 |
| 5435914 | Clarifying arrangement for waste water A clarifying device for waste water has a plurality of containers for receiving waste water, and a device for aerating or gasifying waste water in at least one of the containers. The containers are formed as treatment cells which are combinable with one a... | 07/25/1995 |
| 5417806 | Method of removing fine contaminants from used paper fibre material A method of removing fine contaminants from waste paper fibrous material (S) is described with solution (1) and pre cleaning (2) whereupon the fibrous material is first subjected to a washing treatment (3) and then to a flotation treatment (5). The washin... | 05/23/1995 |
| 5399262 | Machine coolant recycling system A machine coolant recycling system has a holding tank in which machine coolant to be recycled is accumulated. The machine coolant in the holding tank is continuously filtered for a predetermined period of time and the surface of the machine coolant is con... | 03/21/1995 |
