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| Number | Title | Issue Date |
| 7429324 | Device for in-line preparation of liquid for an extracorporeal blood treatment apparatus A method for in-line preparation of liquid for an extracorporeal blood treatment apparatus that makes provision for placing a filter in correspondence with each of two successive filtration stations, for carrying out a liquid preparation cycle, for removing the filt... | 09/30/2008 |
| 7258785 | Apparatus for separating oil and debris from water run-off A method and apparatus for separating oil and debris from urban water run-off, the apparatus being made up of a chamber which is mounted in a storm drain system and has an inner basin with a tilted wire wedge wire screen filter in the path of flow of the run-off, an... | 08/21/2007 |
| 7094344 | Filter device The present invention relates to a filter device for removing impurities contained in liquid. A filter housing 18 is provided with a container for accommodating a filter bag 2 therein, a deposit recovery tank 3 for recovering a deposit and a flo... | 08/22/2006 |
| 7025140 | Large particulate removal system A choke for removing large diameter particulate matter from an oil or natural gas well includes a housing having a chamber with an integral solids receptacle. The chamber is in communication with a flow stream outlet and a flow stream inlet. The flow stream inlet is... | 04/11/2006 |
| 6994783 | Water pollution trap with inlet basket A chamber having an inlet for receiving polluted storm-water runoff and an outlet for the storm water to flow out. Within the chamber is a screen that is elevated for separating and suspending miscellaneous debris such as vegetative matter, paper, and plastic, and t... | 02/07/2006 |
| 6877333 | Filter assembly for gravity-assisted air conditioner discharge water saver systems A filter assembly for use with a gravity-assisted water saver system that sanitizes condensate from an air conditioning system with vapors released from dissolvable tablets, such as those used for treating swimming pool water or laundering purposes. It is compact an... | 04/12/2005 |
| 6797161 | Multi-stage water pollution trap A chamber having an inlet for receiving polluted storm-water runoff and an outlet for the storm water to flow out. Within the chamber are a screen, one or more baffles, a collection reservoir, and a pivotal filter. The screen is elevated for separating and suspendin... | 09/28/2004 |
| 6758982 | Integrated debris management method A fluid filtration system of well workover fluids, the system comprising: a first settling tank which stores fluid; a second settling tank which stores fluid; a low pressure pump in fluid communication with the first and second settling tanks; a low pressure filter ... | 07/06/2004 |
| 6641730 | Integrated debris management system A fluid filtration system of well workover fluids, the system comprising: a first settling tank which stores fluid; a second settling tank which stores fluid; a low pressure pump in fluid communication with the first and second settling tanks; a low press... | 11/04/2003 |
| 6616834 | Wastewater processor A wastewater treatment apparatus comprised of a water inlet 10, a filter component comprised of a series of filters 20, 30, 40 and settling ing areas 12, 22, 32 over a grade, and a series of separator tanks, 42, 52 connected by a lift tube 54 for removal ... | 09/09/2003 |
| 6550264 | Air conditioner discharge water saver system A gravity-assisted water saving system, and a method for its use, that can be utilized to collect the condensate from an air conditioning system, sanitize it, and then divert it for constructive use. It has a chamber with an inclined bottom surface, a dim... | 04/22/2003 |
| 6406620 | Rainwater filters and gullies A rainwater filter assembly (1) comprises a housing provided with an inlet (9) and an outlet (3), the inlet is adapted to receive rainwater discharging from a downpipe (10), and in use the assembly (1) is located in series with an underground pipework (27... | 06/18/2002 |
| 6338796 | Filter A filter for use in a fuel injection device, the filter having a bore extending along at least a part of its length and comprising a plurality of channels formed in its outer surface, the channels defining, with a housing part for the filter, passages for... | 01/15/2002 |
| 6096200 | Filtering apparatus A filter apparatus (10) having an upstream first filter grate (17) to which stormwater is delivered so that litter is filtered therefrom. Litter is delivered to a first litter collection surface (20). Extending upwardly from the surface (20) is a filter w... | 08/01/2000 |
| 6001242 | Apparatus and method for high volume pipeline water filtration A method and apparatus for filtering particulates from a turbid liquid is provided. The apparatus is preferably used to filter particulates from water used to flush a pipeline after a cleaning operation, after hydrostatic testing or during product displac... | 12/14/1999 |
| 5653880 | Device for separating and filtering particles in a flow of fluid A device for separating and filtering particles in a flow of contaminated fluid, the device including a casing having an inlet duct fitted with a cyclone separator designed to concentrate centrifugally particles in the inlet flow towards the periphery of ... | 08/05/1997 |
| 5454937 | Collant filter and oil coalescer Apparatus for processing machine tool coolants wherein the used coolant fluid includes emulsified oils of light density or the like to be separated from a heavier density metal working fluid such as oil or water. The apparatus also removes particles, bact... | 10/03/1995 |
| 5413711 | Fuel filter with internal vent A fuel filter assembly employs a base which mounts a disposable filter cartridge. A pair of axial conduits provide fluid communication between the base and the cartridge. An orifice located in one of the conduits provides a bleed vent which controls the f... | 05/09/1995 |
| 5240593 | Apparatus for the purification of fluids A purification method and device for purifying industrial liquid such as oil from contaminates including first container housing for receiving the industrial liquid in bulk and separating liquid and particulate contaminates therefrom by reversing a flow d... | 08/31/1993 |
| 4720341 | Water treating in a vertical series coalescing flume A method and apparatus for removing oil from the produced water that is associated with hydrocarbons. The method consists of providing a plurality of serially connected individual compartments in a vertical flume or pipe with each compartment connected to... | 01/19/1988 |
| 4623455 | Method and device for filtering lubricating oil for a dough divider machine A method and device for use in connection with a dough divider machine which continuously uses mineral oil for lubrication. The method comprises capturing mineral oil, flour, and dough contaminants which becomes mixed as the dough divider operates and fil... | 11/18/1986 |
| 4412916 | Airless artificial kidney assembly The invention provides an artificial kidney extracorporeal circuit assembly including an artificial kidney having detachably attached multifunctional subassembly means for automatically venting gas bubbles from liquid flowing therethrough, for continuousl... | 11/01/1983 |
| 4372847 | Fuel filter assembly and cartridge A fuel filter assembly and cartridge for filtering, coalescing and separating solids, liquids, and gases from a fluid flow including a housing adapted to a removable cartridge. The cartridge is in the form of an annular member having an outer annular filt... | 02/08/1983 |
| 4358372 | Filler tube fuel strainer A dual layer fabric insert fuel strainer is positioned at the inlet of a fuel tank filler tube. It has an inner fabric that coalesces water and passes fuel. It has an outer fabric which is sized to pass fuel but not the water coalesced on the inner fabric... | 11/09/1982 |
| 4297219 | Temporary stream filtration system An apparatus constructable in situ for filtering pollutants from a flowing creek or stream, comprising one or more adjacent and/or cascaded flume-type boxes supported by the stream bed, each of which boxes comprises parallel sides, top and bottom spacers,... | 10/27/1981 |
| 4265759 | Device for separating a mixture A device for separating a mixture of, for example, oil and water consists of a number of elements treating the mixture in stages, said elements being arranged in overlying position in order to manufacture a compact device.... | 05/05/1981 |
| 4145280 | Method and device for separating a mixture Method of separating a mixture of a carrier medium and at least one substance insoluble therein, for example, water and oil or gas and soot, in which the mixture is separated in three steps, i.e. a first step in which the mixture is passed for coalescence... | 03/20/1979 |
