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| Number | Title | Issue Date |
| 8034240 | Coalescing element A filter element includes a cylindrical housing enclosing a ring-shaped filter media assembly. The media assembly includes inner and outer media rings, moveably supported relative to one another, to remove particulate matter and water from a fluid stream. The outer ... | 10/11/2011 |
| 7431851 | Fat separator The present invention provides a fat separator device having a container with a spout portion and a cover portion releasably attached to the container. The cover portion including a surface having at least one aperture to allow for passage of a liquid through the co... | 10/07/2008 |
| 7429332 | Separating constituents of a fluid mixture A device for separating constituents of a fluid mixture includes an elongate vessel oriented at an acute angle to horizontal. The vessel is operable to receive the fluid mixture and direct the fluid mixture to flow in a convection cell spanning substantially a lengt... | 09/30/2008 |
| 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 disposed such that the filter surfaces are oriented at an acute angle with ... | 08/12/2008 |
| 7384547 | Replaceable filter element with integral annular trap The replaceable, outside-in flow filter element with integral annular trap provides a simple, efficient, tubular filter element that combines the advantages of inside out-flow and outside-in flow filters. The element includes end caps with pleated filter media exten... | 06/10/2008 |
| 7361214 | Disposable cartridge for air/gas dryer A disposable dryer cartridge for an air/gas dryer apparatus for installation in an air/gas line delivering compressed air or gas to an air/gas-driven tool. The cartridge includes a flexible elongated casing having a drying composition therein. The casing has an air/... | 04/22/2008 |
| 7344641 | Used water treatment system for residences and the like A system for the treatment of residential wastewater which comprises a septic tank, a holding tank in fluid communication with the septic tank and a reactor containing a plurality of media on which the wastewater is sprayed, and cyclonic clarification means. The sys... | 03/18/2008 |
| 7332013 | Compressed air/gas-driven tool with integrated dryness indicator An air/gas-driven tool with an integrated air/gas dryness indicator. The tool includes a housing that defines a cavity. An air/gas dryness detector is disposed in the cavity. An air/gas flow passage is situated to provide a stream of compressed air/gas to the drynes... | 02/19/2008 |
| 7320725 | Disposable cartridge air/gas dryer A disposable cartridge air/gas dryer apparatus for installation in an air/gas line delivering compressed air or gas to an air/gas-driven tool. The dryer includes a pressure vessel having first and second ends, an inlet port, and an outlet port. A disposable dryer ca... | 01/22/2008 |
| 7314555 | Filter cartridge for a filter assembly A filter assembly including a replaceable filter cartridge for use with a reusable filter canister. The filter cartridge includes a cylindrical filter media having top and bottom ends respectively mounted within top and bottom end caps. The bottom end cap includes a... | 01/01/2008 |
| 7294256 | Storm water filter system A storm water filter system for filtering storm water being fed into an in-ground well includes a housing having an inlet and an outlet, with the outlet being connected to an in-ground recharge well. A plurality of open chambers are formed in the housing. An inlet f... | 11/13/2007 |
| 7282143 | Septic tank A septic tank includes a chamber, an inlet through which waste water enters the chamber, an outlet, and an outlet pipe mounted to the outlet. At least one partitioning member is mounted in the chamber and separates the chamber into at least a first subchamber adjace... | 10/16/2007 |
| 7276154 | Settling grid separator A settling grid separator apparatus and method of use which provides deep dehydration of high flow rate sludge in an environmentally friendly and energy efficient manner. The apparatus and method comprise and utilize an efficient mixing of the sludge with a floccula... | 10/02/2007 |
| 7214314 | Cleaning apparatus and method A portable cleaning device for removing sediment from an enclosure retaining water. The cleaning device includes a pump, a housing, and a receptacle. The pump creates a fluid flow through the cleaning device. The cleaning device draws water from the enclosure into t... | 05/08/2007 |
| 7172688 | Mixed immiscible liquids vacuum, separation, and disposal method and system (Mod 1) A system to collect by vacuum conveyance, separate, and discharge two mixed immiscible liquids with different specific gravities comprising a prefilter vessel 200, a vacuum tank 100, an optional heavy phase intermediate separation stage 40, and ... | 02/06/2007 |
| 7141167 | Filter device A filter device for filtering liquids including a filter membrane, a main body which is arranged upstream from the filter membrane, and which has a feed channel perpendicular to the surface of the filter membrane, a gap extending between the filter membrane and the ... | 11/28/2006 |
| 7094343 | Filter device The invention relates to a filter device (10) for filtering a liquid, in particular a hydraulic oil, having a substantially cylindrical filter housing (12), which accommodates a filter element (30) and can be closed off by means of a cover (1... | 08/22/2006 |
| 7074339 | Apparatus for separating solids from a liquid An improved apparatus and method is disclosed for separating solids from a liquid. The apparatus and method comprises a first separator for circulating the solids and the liquid to concentrate the solids within the liquid. The concentrated solids are discharged into... | 07/11/2006 |
| 7052605 | Device for purifying liquids A device for cleaning liquids, in particular edible oils, by means of a filter in a filter housing, the filter being connected downstream of a pump, and a motor for driving the pump, which has a rotor having a rotor disc with vanes in an immersion housing being prov... | 05/30/2006 |
| 7022223 | Methods and systems for removing floating solid waste from the surface of a watercourse A floating pond skimmer is coupled by a fluid conduit to a remote filter/aerating apparatus. The skimmer sucks a mixture of solids and water, grinds/chops the solids, and pumps the reduced solids and water through the conduit to the filter/aerating apparatus which s... | 04/04/2006 |
| 7014692 | Scrubber A scrubber for eliminating NO from air flowing through the scrubber, comprising a housing (1) having at least one inlet hole (2) and an outlet hole (4) and which is comprising filtering material (6). A second outlet hole (9) is pro... | 03/21/2006 |
| 7001514 | Septic tank A septic tank includes a chamber, an inlet through which waste water enters the chamber, an outlet located below the inlet, and an outlet pipe including an outlet section extending through the outlet. The outlet pipe further includes an inclined section in the chamb... | 02/21/2006 |
| 6960295 | Water kettle, and particle catcher/filter assembly for said kettle A water kettle having a receptacle (1) with an inner space (2) for receiving water (3) therein and with a pouring spout (4) for pouring water from the inner space (2). The water kettle is further provided with a particle catcher ( | 11/01/2005 |
| 6953123 | Pre-separation of feed material for hindered-bed separator A pre-separator feed well for use with hydrous slurry feed is provided in a hindered-bed separator that includes an elongate body defining an interior space with upper and lower portions. The feed well is elongate and includes a vertically adjustable conical plate a... | 10/11/2005 |
| 6953527 | Fuel tank with water trap A fuel tank for use with small internal combustion engines, the fuel tank having an inlet and an outlet and storing a quantity of fuel therein. A hydrophobic barrier is positioned within the fuel tank in flow communication with the outlet, and permits the passage of... | 10/11/2005 |
| 6951615 | Grease removal system A grease removal system includes a solid interceptor fluidly coupled to a grease trap tank, which is fluidly coupled to a secondary tank. The secondary tank contains an enzyme solution which biodegrades the grease. The grease removal system may also include a solid ... | 10/04/2005 |
| 6814863 | Radial flow septic tank A radial flow septic tank includes: a main body having a wall and a floor defining a cavity; an inlet disposed at approximately a center of the cavity; an outlet having a collection device disposed around an inside perimeter of the wall of the main body; and a colum... | 11/09/2004 |
| 6773606 | System for straining septic tank effluent before discharge to a drain field A system for limiting the size of particulate matter entering a septic tank pump contains a strainer that has a straining screen through which the pump draws liquid from the septic tank. A nozzle receives some of the effluent being pumped by the pump and is aimed to... | 08/10/2004 |
| 6758964 | Device for separating phases of a diphasic mixture and its application to the determination of the physical and/or chemical parameters of this mixture A device for separating and renewing phases of a diphasic liquid—liquid mixture, in which a first liquid phase and a second liquid phase are circulated in counter current in a liquid—liquid extraction device. The device is in the form of a straight hollow cylind... | 07/06/2004 |
| 6726837 | Portable bilge water filter apparatus A casing having an inlet positioned below the bilge water discharge outlet of a boat or ship aligns a generally U-configured pipe vertically, in which first and second open ends of the pipe are overlaid with one of a gravel or charcoal coarse material restrictive to... | 04/27/2004 |
| 6716349 | Filter for diesel engine fuel A filter for Diesel engine fuel, comprising a filtering mass which is contained within an enclosure and is provided so as to be crossed by the fuel in its path inside the filter between an intake connector and a discharge connector. The enclosure comprises a water c... | 04/06/2004 |
| 6712957 | Stationary bilge water filter apparatus A casing having an inlet which receives oil-based contaminated bilge water is mounted on a boat or ship in aligning a generally U-configured pipe vertically, in which first and second open ends of the pipe are overlaid with one of a gravel or charcoal coarse materia... | 03/30/2004 |
| 6709588 | Filter for internal combustion engine fuels A filter for filtering liquids, especially fuel, which includes a concentric housing, an unfiltered liquid inlet, and filtered fluid outlet, and a backflow member. A concentric filter element, with a dirt collecting chamber in the lowermost part thereof, is disposed... | 03/23/2004 |
| 6699387 | Waste water filter having multiple wall filter elements and outlet protection A waste water filter comprises a shield comprising a vertical peripheral wall defining a shield interior. The shield further includes an inlet for the entry of unfiltered wastewater into the shield interior. A shield filter element is disposed within the ... | 03/02/2004 |
| 6692645 | Water reservoir filtration system and method A water reservoir treatment system for a swimming pool, water tank, spa, or fountain water, which is simple to operate, low in maintenance, and highly reliable. The system preferably comprises, in sequence, a water circulation system, a vortex separator f... | 02/17/2004 |
| 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 |
| 6605219 | Wastewater treatment apparatus and method A wastewater treatment system for use with a conventional septic tank, or other small-scale wastewater treatment facility, for enhancing wastewater treatment without requiring complex control or maintenance limitations. The system incorporates a plurality... | 08/12/2003 |
| 6558542 | Water filter A water filter includes an egg-shaped housing formed from a lower shell and an upper shell. The lower shell is divided into an intake chamber and an outflow chamber. A filter or membrane is placed between the upper and lower shells.... | 05/06/2003 |
| 6551508 | Septic tank waste water filter including a reservoir for filtered waste water The present invention is a waste water filter for use in a septic tank. The waste water filter includes a shield comprising a vertical peripheral wall substantially impervious to the passage of unfiltered waste water. The shield includes an opening for th... | 04/22/2003 |
| 6540910 | Recirculation of wastewater in a filtration bed In a filtration system wherein wastewater is recirculated back through a filtration bed for a second pass therethrough, the recirculated wastewater being directed through a set of secondary distribution pipes located in the filtration bed below those dist... | 04/01/2003 |
