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| Number | Title | Issue Date |
| 7472794 | Cell sorting device and method of manufacturing the same A system, method and apparatus employing the laminar nature of fluid flows in microfluidic flow devices in separating, sorting or filtering colloidal and/or cellular particles from a suspension in a microfluidic flow device is disclosed. The microfluidic flow device... | 01/06/2009 |
| 7438800 | Arrangement for filtering hydraulic fluid An arrangement for filtering a hydraulic fluid having a bypass line connecting the feed channel to the discharge channel where the bypass line is opened by a pressure switching valve when a pressure change is caused by the contamination of the filter element. ... | 10/21/2008 |
| 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 |
| 7407148 | Rotary valve assembly for fluid filtration system A valve assembly is disclosed for use in conjunction with a replaceable filter cartridge system. The valve assembly includes a head member having an interior valve chamber defining a central axis, and inlet and outlet passages extending parallel to and communicating... | 08/05/2008 |
| 7387210 | Filter cartridge and manifold for a water purification system A combined filter cartridge and manifold for use in a water purification system or the like, to facilitate substantially drip-free filter cartridge removal and replacement. The filter cartridge includes water inlet and outlet ports for respective connection with inl... | 06/17/2008 |
| 7361281 | High efficiency ion exchange system and method for removing chromium from water The disclosed invention is a fixed bed ion exchange water purification system. It employs a combination of electronically controlled process steps and specific systems configurations to duplicate the effects of moving resin beds from one operating position to anothe... | 04/22/2008 |
| 7294257 | Water filter A filter unit for filtering particulates and other foreign matter from a water supply, comprising a filtering chamber. At least a portion of an exterior of the filtering chamber being provided with filtering chamber in use. The mesh being sized to filter particulate... | 11/13/2007 |
| 7294264 | Sprayer purifier cartridge system A sprayer purifier cartridge system is disclosed. In one non-limiting embodiment, the sprayer purifier cartridge system includes a sprayer for spraying water and a purifier cartridge for purifying water. In this embodiment, the sprayer has a receiving structure for ... | 11/13/2007 |
| 7232518 | Filter device A filter device includes at least one filter unit (10), connectable to a hydraulic circuit (14), with at least one supply line (16), one discharge line (18), and at least one cooling unit (22). The cooling unit is connected to a se... | 06/19/2007 |
| 7211123 | Apparatus for venting a transmission Device for the ventilation of a transmission case (11) that is normally intended to hold liquid lubricant for transmission components and includes a residual internal volume of air inside the transmission case that is connected to the atmospheric pressure by ... | 05/01/2007 |
| 7182599 | Method and apparatus for removing particulate metals from dental waste water An inline filter assembly to be used in conjunction with surgical or other procedures, near the patient or chairside in dental operations, that is capable of removing, by filtration, particulate matter from waste-water. The filter assembly is configured to permit ea... | 02/27/2007 |
| 7175761 | Fluid filter assembly A filter assembly has a housing open at one end, with an annular filter media/core assembly disposed in the housing. An end plate having at least two inlet openings and an outlet opening is disposed in the open end of the housing. The end plate is affixed to a lid w... | 02/13/2007 |
| 7163625 | Filtration device The present invention provides a filtration device. The invention employs filter media wrapped into spirals about an apertured core. Fluid may flow radially inward or radially outward during filtration. Embodiments using multiple filter media and embodiments achievi... | 01/16/2007 |
| 7125490 | Porous filter A filter has a longitudinal axis with an inner diameter defined by a hollow longitudinally extending center. The filter has fingers extend radially outwardly arcuately from the longitudinal axis. The fingers have base ends near the longitudinal axis and outer edges ... | 10/24/2006 |
| 7097763 | Ion exchange filter apparatus An ion exchange filter apparatus to reduce ions contained in a liquid medium used in a fuel cell system is equipped with an ion exchange filter 6 to receive an ion exchange resin 38. The ion exchange filter 6 includes a flow passage 27 to... | 08/29/2006 |
| 7097046 | Automatically cleaning filter assembly for a liquid-carrying loop A filter assembly for an aquarium has a self-cleaning filter. A fine mesh filter screen is disposed between an inlet and an outlet for filtering solid matter from the water that is pumped from the aquarium, through the filter, and back to the aquarium. When the filt... | 08/29/2006 |
| 7097630 | Method and apparatus for determining hemodialysis parameters This invention provides a method and apparatus for calculating a hemodialysis parameter, especially blood access flow rate, using multiple dialysance values. The dialysance values may be calculated based upon either sodium or urea concentrations. One dialysance valu... | 08/29/2006 |
| 7037424 | Connector apparatus and system including connector apparatus A connector apparatus is provided which is configured to replace a separation module in a system for dispensing a fluid. When it is desired to purge the system of a dispensed fluid, the connector apparatus, having the same configuration of an inlet and an outlet as ... | 05/02/2006 |
| 6969460 | Graywater diverter vessel assembly A graywater diverter vessel assembly (as shown in FIG. 2) comprises a cylindrical side vessel 4 and valve diversion assembly 1, 2, 16. The device fits onto a vertical wastewater pipe 9, wherein a user can by closing the valve 1, di... | 11/29/2005 |
| 6881333 | Water purifier filtration portion, water purifier main body, and water purifier including the both A water purifier is composed of a valve main body and a filtration portion, which are coupled to each other in an attachable and detachable manner at the main body side coupling portion and the filtration portion side coupling portion. Consequently, the water purifi... | 04/19/2005 |
| 6869527 | Filter facility having flow facilitating structure A filter facility includes a filter device received in a container and having a housing for receiving a number of filter particles. The housing includes a peripheral partition extended into the chamber from a bottom panel, and a plate disposed on top of the peripher... | 03/22/2005 |
| 6805729 | System and method for handling fluid using a manifold A manifold assembly including a unitary manifold body including at least two component ports and an integral channel system connecting the component ports in series, and at least two fluid-treating components directly connected to the component ports in a substantia... | 10/19/2004 |
| 6800200 | Dual-flow filter cartridge A filter cartridge configured to provide two or more levels of fluid filtration or conditioning from within a single filter cartridge is disclosed, the filter cartridge including a housing that defines an interior cavity and has an inlet portion for receiving fluid ... | 10/05/2004 |
| 6641729 | Mobile water purifying device A water purifying device, wherein water purification tubes are combined with a bicycle or a motorcycle having a drive wheel assembled in a body thereof. The purification tubes are mounted on the body, a feed pump is connected to the water purification tub... | 11/04/2003 |
| 6585888 | Aquarium filter system with interchangeable filter cartridges An aquarium filter system comprising a pump, a manually positionable valve assembly, and one or a plurality of interchangeable filter cartridges. The filter cartridges are interchangeable and replaceable without the need to suspend water flow. The filter ... | 07/01/2003 |
| 6582593 | Transmission sump filter with bypass valve A filter (10) for filtering debris out of the fluid in a transmission sump (S) prior to the fluid entering a transmission pump (P) is disclosed. The filter (10) includes a filter housing (12) presenting a filter inlet (30), a bypass inlet (32), and an out... | 06/24/2003 |
| 6571960 | Faucet-mounted water filtration device A fluid filtering device has a housing with a mounting mechanism disposed at the forward end and on the top surface of the housing. A fluid inlet is defined through the housing top surface, and at least one fluid outlet is defined through the housing bott... | 06/03/2003 |
| 6558554 | Method for switching filters on-line without bubbles and with zero liquid waste A method for switching filters on-line while continuously supplying a fluid to a downstream operation such as a photographic product coating device comprising transmitting the fluid to a filter selection valve having a first flow path therethrough to a fi... | 05/06/2003 |
| 6558543 | Apparatus for use in connection with removal of elements, especially exogenous antibodies, from blood or plasma An apparatus for use in connection with removal of elements, especially exogenous antibodies, from blood or plasma flowing in an extracorporeal blood circulation system of a patient, where said apparatus comprises a container (1). This container is adapte... | 05/06/2003 |
| 6508932 | Filter with valve having a hydrophobic coating A filter, especially a filter for lubricating oil of an internal combustion engine, including an inlet for the raw liquid and an outlet for the clean liquid. A filter insert (12) is arranged inside the filter, as well as a valve, such as a pressure relief... | 01/21/2003 |
| 6497814 | Apparatus for cleaning a swimming pool water filter A water pump normally used in a system circulating pool water through a filter cartridge 26 is used to clean the filter cartridge by coupling a 3-way or inline valve 32 and a tee 36 in the piping 12 between the pump 16 and the filter. In a first valve pos... | 12/24/2002 |
| 6485636 | Dual filter for diesel engine A dual filter system for diesel fuel is provided, which allows the operator to keep the diesel engine running while inspecting or replacing one of the two fuel filters. The system includes an upper block which is divided into two identical mirror image se... | 11/26/2002 |
| 6349835 | Water treatment installation The invention concerns a water treatment method and installation, which consist in subjecting the water to be treated to membrane filtration (1) to satisfy the requirement for a relatively high flowrate of water for ordinary use (UF), subjecting the water... | 02/26/2002 |
| 6299769 | Disposable hemodiafiltration set A sterile disposable hemodiafiltration set to be connected to a dialysis machine includes a dialyzer with an extracorporeal blood path and a dialysis liquid supply line which can be connected to the dialyzer. The hemodiafiltration set includes a sterilize... | 10/09/2001 |
| 6277293 | Dual filter isolation block A dual filter isolation block for isolating a fluid stream between a fluid source and a user device and including a main body, a first fluid path provided in the main body between the source and the user device and a first filter provided in the first flu... | 08/21/2001 |
| 6251274 | Faucet attachment for treating water The invention provides a faucet attachment for treating water issuing from a faucet of the type having a threaded outlet for receiving an aerator. The attachment has a valve assembly including a generally cylindrical inner structure having a faucet attach... | 06/26/2001 |
| 6231770 | Multiple element filter and method of using therefor A biological fluid filter assembly (100) including a plurality of porous media (6a, 6b) and essentially lacking a solid partition between the media is disclosed. Preferably, the assembly has a space (12) between the media (6a, 6b). The filter assembly is ... | 05/15/2001 |
| 6193884 | Dripless purification manifold and cartridge A cartridge based water purification and filtration system which permits cartridge changes without drainage at the input and output ports. Interlocking flanges at the manifold and cartridge lock the cartridge to the manifold and raised surfaces at the car... | 02/27/2001 |
| 6183636 | Filter assembly mounted in sink counter top A combination faucet assembly and filter assembly is provided wherein these respective assemblies are interconnected in a side-by-side relationship by pipes preferably located in a common housing structure. The combination is adapted for use in associatio... | 02/06/2001 |
| 6149811 | Dredging system The present invention is directed to a continuous, portable dredging system that employs a series of screens and gravity separation devices with flocculation to remove sediments from the dredged slurry. The system produces a treated water stream having lo... | 11/21/2000 |
