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| Number | Title | Issue Date |
| 7374672 | Filter device comprising integral centrifugal separation A filter apparatus having a filter membrane, a main body, a supply channel running perpendicular to the surface of the filter membrane and a gap running between it and the filter membrane, for the formation of a tangentially directed transverse flow, a return channe... | 05/20/2008 |
| 7326338 | Low cost oil/grease separator A container for receiving and holding effluent water containing oil/grease to be removed has sectional covers. A main sectional cover supports a partially immersed rotatable disk; a drive on the main sectional cover rotates the disk; a trough on the main sectional c... | 02/05/2008 |
| 7297284 | Separator for immiscible liquids A separator provides improvements for better separation of an effluent into constituent parts and greater ease of use. A tapered basket provides improved flow and better filtration. A baffle directs effluent into the basket with greater force. An asymmetrical flange... | 11/20/2007 |
| 7281904 | Transmission pump and filter The filter housing has a filter outlet portion with a central filter outlet passage. The outlet portion includes a terminal end portion defining a filter nozzle. The filter nozzle forms a nozzle passage between the filter nozzle and the pump housing. The nozzle pass... | 10/16/2007 |
| 7261008 | Air sampler An air sampler having a fan; an air inlet tube; a main body having a cyclonic cup, a stripping column and a demister; and fluidic circuitry for inputting fluids to the main body and the air inlet tube, and for outputting fluids from the main body. Air flow through t... | 08/28/2007 |
| 7208080 | Low cost oil/grease separator A container for receiving and holding effluent water containing oil/grease to be removed has sectional covers. A main sectional cover supports a partially immersed rotatable disk; a drive on the main sectional cover rotates the disk; a trough on the main sectional c... | 04/24/2007 |
| 7185766 | Skimmer A skimmer device and a method for skimming a liquid, foam, fat or other solid or liquid material or anything else that a user wants to remove or separate from a remaining liquid or solid that is left in a container. ... | 03/06/2007 |
| 7172705 | Skimmer A skimmer device and a method for skimming a liquid, foam, fat or other solid or liquid material or anything else that a user wants to remove or separate from a remaining liquid or solid that is left in a container. ... | 02/06/2007 |
| 7097766 | Sand filter with rotating vanes The present invention is a media-based fluid filtration system that extends the time between backwashing operations and prevents the agglomeration of filtered particles at the top of the media bed through the use of a plurality of rotating vanes and associated tines... | 08/29/2006 |
| 7048848 | Hybrid spin-on filter A hybrid oil filter assembly includes a housing and a first (e.g., conventional) oil filter element disposed in proximity to a bottom portion of the housing. The first oil filter element contains an open inner volume. A second oil filter element having a generally c... | 05/23/2006 |
| 7011743 | Water pollution trap with water flow baffles 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 one or more baffles forming gaps and having apertures. The gaps define a longer water flow route through the chamber and the ape... | 03/14/2006 |
| 6974537 | Diesel fuel purifier The diesel purifier produces a fuel of high purity that meets the full ignition requirements at the combustion chamber of the engine. The purifier comprises a purification chamber encapsulated by an external body of the unit wherein, the purification chamber has a b... | 12/13/2005 |
| 6878270 | Low cost grease removal system A low cost oil, grease removal assembly includes a rotomolded plastic container having an inlet and an outlet; a rotomolded plastic basket support located at the inlet inside the container; a rotomolded plastic outlet baffle located in the container at the outlet; a... | 04/12/2005 |
| 6869531 | Fluid filter A fluid filter, which is adapted for separating a less dense fluid floating on a high dense fluid, includes at least a fluid filtering arrangement including a floating wing adapted for floating on the less dense fluid and at least a fluid outlet formed on the floati... | 03/22/2005 |
| 6800195 | Low cost grease removal system A low cost oil, grease removal assembly includes a rotomolded plastic container having an inlet and an outlet; a rotomolded plastic basket support located at the inlet inside the container; a rotomolded plastic outlet baffle located in the container at the outlet; a... | 10/05/2004 |
| 6761822 | Dual filter with flow mixer and centrifugal separator A filter for filtering a fluid, such as lubricating oil for an engine, has a first element for trapping small particles and a second filter element for trapping sludge, the second filter element being stacked on the first filter element. A flow-deflecting element is... | 07/13/2004 |
| 6743354 | Drain guard catch basin A catch basin is provided for insertion into a pre-existing storm drain connected to a storm drain system, the storm drain having a shoulder around its upper periphery for supporting a pre-existing, perforated storm drain cover. The catch basin selectively controls ... | 06/01/2004 |
| 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 |
| 6458274 | Device for treating a fluid with ultra-high magnetic force A device for treating fluid with ultra-high magnetic force including the casing of the device as subdivided with partition panels into Nos. 1, 2, 3 chambers, and a separation chamber, as well as fluid passages. Both a louver and a plurality of latticed bo... | 10/01/2002 |
| 6428692 | In-line storm water drain filter system An in-line storm water drain filter and baffle box is installed within a storm water drain pipe to direct storm water runoff through the storm water drain pipe and through the filter and baffle box prior to the storm water drain water passing through an o... | 08/06/2002 |
| 6350379 | Dual filter with flow mixer A filter for filtering a fluid, such as lubricating oil for an engine, has a full flow filter element and a bypass filter element stacked on the full flow filter element. A flow-deflecting element is disposed between the full flow filter element and bypas... | 02/26/2002 |
| 6319397 | Draining device adapted to be disposed within a drain port A draining device is disposed within a drain port, which is defined by an upper end of a drain pipe embedded in the ground at an elevation below the ground surface. The draining device includes a tubular base member which has an open upper end, a closed l... | 11/20/2001 |
| 6299764 | Sanitary floor drain An improved floor drain assembly (10) is provided which includes an upright inlet section (12) presenting a waste inlet (30) and an outlet section (14) terminating in a discharge end (16). The assembly (10) includes an oblique first wall (26b) below the i... | 10/09/2001 |
| 6200489 | Liquid mixture separation system A system is described for separating first and second liquids that are present in an intimate mixture consisting primarily of the first liquid, which enables recovery of a high proportion of the second liquid in a system of moderate cost for construction ... | 03/13/2001 |
| 6027658 | Fluid filtration, recirculation and delivery apparatus and method An in process fluid delivery reservoir and method is disclosed for continuously filtering particulate matter and oils from industrial fluids, such as coolants, oils, aqueous emulsions, etc., which are necessary in the operation of machine tools. The reser... | 02/22/2000 |
| 5997739 | Fuel/water separator A spin-on element includes a cylindrical housing, a tap plate at one end of the housing, and an adapter ring supported by and bounding the other end of the housing. A collection bowl can be threadably attached to the adapter ring. An imperforate inner sup... | 12/07/1999 |
| 5938921 | Water baffle for filter cartridge An improved fuel filter cartridge can be used with a header of a conventional fuel filter assembly. The cartridge has a water coalescing sock filter enclosed within a housing and a generally conically shaped water separating baffle with a spiralling rim a... | 08/17/1999 |
| 5827425 | Grease recovery system and methods A grease recovery system includes a basin with an inlet port to connect the system to a waste disposal network, e.g., a sink in a restaurant, and to an outlet port for draining substantially grease-free water into a sewer network. A grease outlet port pro... | 10/27/1998 |
| 5785849 | Centrifugal filter A centrifugal oil filter in which a cylindrical housing 42 is rotatable by the reaction force from oil jets 56 leaving via nozzles 44, is increased by the provision of ribs 54 on the inner wall surface of the cylindrical housing 28. This enables the cylin... | 07/28/1998 |
| 5665230 | Fuel filter A fuel filter element includes an annular filter medium which is supported on a lower support plate. Fuel flows downwardly through the medium and then through apertures at the outer periphery of the support plate. The support plate is provided with depend... | 09/09/1997 |
| 5603829 | Device for centrifugally and mechanically separating particulate contaminants from lube oil A device for separating contaminants out of the lube oil of an internal combustion engine is provided which includes a filter element, a centrifuge rotatable by means of the lube oil flowing through it, and at least one supply passage for lube oil to be c... | 02/18/1997 |
| 5529695 | Apparatus and method for removing swarf and fines from cutting fluids A system for removing particulates, formed as metal is machined, from coog and lubricating fluid. The system has a tank filled with fluid. The bottom of the tank slopes forward. The tank receives contaminated fluid at its top rear. The contaminants are s... | 06/25/1996 |
| 5510028 | Device for separating liquids A device for separating liquids has a side wall enclosing an interior space. A bottom is connected to the side wall adjacent a lower edge of the side wall and has an aperture formed therein at a position above the lower edge. The bottom extends upwardly a... | 04/23/1996 |
| 5468385 | Charged coalescer type oil-water separating apparatus An electric field is applied to a coalescer type filter element in which the mesh size decreases in a step-like manner toward its outside. A subject liquid is passed through the filter from its inside to outside. A primary processed liquid discharged from... | 11/21/1995 |
| 5360555 | Solids handling in an oil/grease separator An oil/grease separation apparatus includes a chamber for receiving a liquid flow containing water, oil/grease and gross solids. An inlet section is separated from a downstream section by a weir, so that a higher static water level is maintained in the in... | 11/01/1994 |
| 5354465 | Large capacity filter system A large capacity filter assembly A comprising of a housing B, a filter chamber C, and a horizontal trap chamber D. Water flowing from industrial drain line 10 enters housing B, flows through filter chamber C, ingress horizontal trap chamber D and exits ho... | 10/11/1994 |
| 5297367 | Removable storm drainage cartridge A removable storm drain cartridge to preserve the ground water quality to improve the environment for separating storm run-off water and removing oil and heavy debris from the storm run-off water, conveniently and inexpensively for use in a conventional s... | 03/29/1994 |
| 5284580 | Refuse collecting frame for sewer A refuse collecting frame for a drainage sewer, particularly a frame placed beneath a cover of a sewer drainage opening to accumulate refuse and permit easy disposal of refuse accumulated therein in order to prevent blockage of the sewer. The refuse colle... | 02/08/1994 |
| 5238117 | Mineral processing screen separator This invention relates to a screen separator for separating metal adsorbent particles from a pulp and includes a screen separator for separating metal adsorbent particles from a pulp including an open topped and closed bottom cylindrical screen for axiall... | 08/24/1993 |
| 5236579 | Fuel filter assembly with modular drain bowl A fuel filter assembly incorporates a modular drain bowl which may be removably mounted at the lower end of the disposable filter cartridge. An anchor insert is disposed interiorly at the lower portion of the cartridge sump for anchoring a fastener to att... | 08/17/1993 |
