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| Number | Title | Issue Date |
| 7481320 | Filter device having a bi-directional valve One advantageous embodiment of the invention is a filter device (10) for filtering a fluid and providing three or more substantially continuous directions of flow therethrough. The filter device (10) includes a housing (12) having an entry port ... | 01/27/2009 |
| 7338594 | Faucet filter with sight glass A faucet mounted filter device includes a horizontally disposed cylindrical part for housing a replaceable filter cartridge and a horizontally disposed arm part extending radially from the cylindrical part which has a connector on its upper side for releasable conne... | 03/04/2008 |
| 7309428 | Apparatus for separating components from blood plasma The present invention relates to a process and apparatus for separating blood plasma, having a mixing unit in the form of a first injection having a first connecting tube and a first piston to provide a compartment for a mixture composed of plasma to be separated an... | 12/18/2007 |
| 7235176 | Shower head with water purification function A shower head for purifying water includes a filter cartridge positioned within in a holding part, a purified water flow path passing through a purification material and a raw water flow path not passing through the purification material. A flow path switching valve... | 06/26/2007 |
| 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 |
| 7153418 | Artificial pond An artificial pond having a motor pump unit with a brushless permanent magnet synchronous alternating current motor that is wound for operation on an alternating current voltage not greater than fifteen volts, and a step down transformer that converts 120 volts AC t... | 12/26/2006 |
| 7108012 | Fluid control valve A fluid control valve for the mixing of hot and cold water and delivery at a selected flow rate is described wherein an upper housing and lower housing are clamped together by a snap-fit connection thereby enclosing other fluid control valve component parts. A ball ... | 09/19/2006 |
| 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 |
| 7077955 | Joint used in one of a water inlet or water outlet of a filter cylinder or a filter casing A joint used in one of a water inlet or water outlet of a filter cylinder, or a water inlet or a water outlet of a filter casing is disclosed. The joint is a round cylindrical tube and comprises at least one first waterproof washer installed near one end of the roun... | 07/18/2006 |
| 7048129 | System and method for processing liquid A device for processing liquid with a main body having a valve housing chamber with a main inlet port and a main outlet port along a non-horizontal axis; a liquid inlet processing port and a liquid outlet processing port. The valve housing chamber has a rotatable va... | 05/23/2006 |
| 7032272 | Friction hinge A motion control device for controlling the movement of an operational member about a first axis and about a second axis includes a spindle having a socket and a control arm wherein the socket defines a first axis opening. The device includes a cylindrical pivot mem... | 04/25/2006 |
| 6926821 | Water treatment device with volumetric and time monitoring features A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A flow reactive device is positioned in the channel and is exposed to the... | 08/09/2005 |
| 6920899 | Fluid control valve A fluid control valve for controlling the delivery of water includes a control lever that is movable in two directions by rotation of the lever about two independent axes. The fluid control valve includes a valve body assembly with flow passageways and a housing ass... | 07/26/2005 |
| 6827857 | Control valve and water purification method The present invention consists of an apparatus and method for supplying purified water to a faucet or other apparatus for use from a purification loop maintaining water in constant motion. The apparatus allows the user to select and withdraw the amount of water need... | 12/07/2004 |
| 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 |
| 6797156 | Faucet water treatment A water treatment unit is disclosed which can be mounted directly on the faucet or tap of the user's sink and which contains one or more water treatment media and an operating valve which permits the selection of several operating modes including service, spray and ... | 09/28/2004 |
| 6790368 | Method and system for the recuperation of septic tank content A method and system for the recuperation of the content of septic tank where the supernatant is returned to the septic tank after the recuperation of the sludge and of the scum is described herein. According to the method of the present invention, a major portion of... | 09/14/2004 |
| 6743193 | Hermetic flow selector valve A flow diverting appliance has a flexible valve body to which a number of flow lines are connected. The valve body is deformed to create different flow paths within it. The valve body may be deformed, for example, by pinching it to define press-seals in an enclosed ... | 06/01/2004 |
| 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 |
| 6569320 | Apparatus for changing an engine fuel filter A fuel collection and rehabilitation device for use in connection with diesel engines, the diesel engine having a fuel filter having an interior volume for containing fuel therein. The fuel collection and rehabilitation device having conduits for releasab... | 05/27/2003 |
| 6457589 | Fluid filtration and dispensing system The present invention provides a fluid dispenser. The flow of either filter or unfiltered fluid may be selected by positioning an actuator that also contains the filter. Selection is accomplished by positioning the actuator within two planes that are not ... | 10/01/2002 |
| 6457322 | Filter housing assembly for refrigerators A filter housing assembly for refrigerators is disclosed. The assembly comprises an upper filter housing, a lower filter housing, a valve, and a passage control lever. The upper filter housing has an inlet, an outlet, an inflow passage and an outflow pass... | 10/01/2002 |
| 6444127 | Water conditioning unit control valve A highly versatile drive arrangement that drives a linearly reciprocating piston of a water conditioning unit control valve without imparting any significant side loads on the support structure for the piston's drive rod or the associated seals. The drive... | 09/03/2002 |
| 6394127 | Faucet and valve for a water filtration system A water faucet assembly comprises a spout, a water supply port, a filter, and a valve. Fluid flow is stopped, between the water supply port and the filter inlet, before fluid communication is closed, between the filter outlet and the spout, as the valve i... | 05/28/2002 |
| 6372132 | Purifier for filtering and purifying a fluid A purifier for filtering and purifying a fluid, such as water, comprises a pressure vessel for holding a purifying element for filtering and purifying the fluid, the pressure vessel having inlet and outlet members for introducing the fluid into the pressu... | 04/16/2002 |
| 6368513 | Filtering assembly and method including removal of impurities from a backwash fluid An assembly for automatically and continuously purifying a polluted fluid P includes a main separator 1, a secondary separator 2 having a centrifuge 21 and filter 22 therein, and a backwashing device 11. In operation, the backwashing device returns a frac... | 04/09/2002 |
| 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 |
| 6334950 | Automated oil filter replacement assembly An automatic oil filter replacement assembly for a locomotive including a plurality of oil filters mounted within a cartridge. The filters are mounted within the chamber. An indexing plate, mounted to the cartridge, has a single portal for alignment withi... | 01/01/2002 |
| 6267875 | Reusable spin-on multi system oil filter and method of reclaiming used filter canisters The invention is a spin-on type filter with a reclaimed permanent filter casing and permanent filtering media that are washable and reusable. There are three distinct progressive filtering systems that function simultaneously,but separately within one fil... | 07/31/2001 |
| 6261448 | Oil filtration and heat exchange apparatus Described is an oil filtration apparatus that includes external vanes 120 and associated outer flow passages 140 for allowing a heat exchange to occur between oil passing therein and cool air that passes by the vanes. A manually rotatable valve 154 is pro... | 07/17/2001 |
| 6258266 | Faucet mount water filtration device A water filter device mountable on a faucet facilitates water flow in substantially one linear direction through a filtering cartridge which comprises activated carbon or charcoal material. The water filtration device includes a valve assembly for selecti... | 07/10/2001 |
| 6235210 | Combination continuous and batch filter for a recirculating fryer The present invention provides a combination continuous and batch filtration system for a recirculating fryer where the continuous filter and batch filter assemblies are integrated into a single unit, utilizing a common pump. This unit is substantially co... | 05/22/2001 |
| 6220298 | Faucet having a filter member received therein A faucet includes a tubular body having an open end with a filter member received in the tubular body and the filter member has an outlet defined through one of two ends thereof. The tubular body has a head member connected to the open end thereof and the... | 04/24/2001 |
| 6179130 | Faucet spout assembly A faucet 40 includes a faucet spout assembly 46 which includes a spout shell 56 for supporting a cartridge 126 containing a filter media therein defining a flow path for water being filtered. The shell 56 and the cartridge 126 define a flow space 138 betw... | 01/30/2001 |
| 6171495 | Automatic three-way valve The present invention relates to a method and apparatus incorporating an automatic, three-way valve having inlet, outlet and drain passages and a close-open timing mechanism. The timing mechanism is adjusted to a predetermined period of time in order to c... | 01/09/2001 |
| 6168714 | Flux-enhanced cross-flow membrane filter A filtration system for a cross-flow membrane filter which reduces the deleterious effects of concentration polarization and membrane fouling, thereby increasing the average transmembrane flux. The filtration system includes a feed supply for providing a ... | 01/02/2001 |
| 6135154 | Water faucet A faucet comprises a main body, a control valve column, and a filter mounted on the main body. The main body is provided with an axial hole in which the control valve column is movably received. The control valve column is provided at one end thereof with... | 10/24/2000 |
| 6117338 | Continuous polymer melt filtration Apparatus for continuously filtering molten polymer comprising: an arbor seated in a fixed support, the arbor having inlet and outlet ports for respectively receiving contaminated and discharging filtered melt, the ports communicating with openings in a p... | 09/12/2000 |
| 6106705 | Water treatment device with volumetric and time monitoring features A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A flow reactive device is positioned in the channel and is exp... | 08/22/2000 |
| 6093313 | Multiple discharge water faucet with self-contained filter A faucet with multiple water discharges includes a housing, an input water connection for said housing, an unfiltered water discharge and a filtered water discharge. There is a water filter within the housing and a valve within the housing which is connec... | 07/25/2000 |
