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| Number | Title | Issue Date |
| 7955500 | Oval seal cartridge with no dirty drip An assembly is disclosed that includes a centerpost assembly and a fluid filter cartridge. The centerpost assembly includes a main body having an inlet flow opening, an open interior, and a radial flange. An interior shelf is positioned proximate the inlet flow open... | 06/07/2011 |
| 7575672 | Sled mounted separator system A mobile separator system for oil and gas well production fluids consisting of a sled supporting a horizontal three phase separator vessel having an upright vessel or blowcase, with an upper section open to a lower section through a check valve, and a vertical two p... | 08/18/2009 |
| 7449106 | Suction-driven fluid filtration system for recreational or emergency use A fluid filtration system housing has first, second and third openings. A cap is removably and sealably attached to the first opening. A filter assembly is fitted in the housing to thereby define a first chamber accessible via the third opening and a second chamber ... | 11/11/2008 |
| 7402240 | Method and system to flush an RO system A home RO filtration system includes a membrane module having an inlet connected to a feed line, the membrane module also having a concentrate outlet coupled to a concentrate line, and a permeate outlet coupled to a permeate line. The permeate line communicates with... | 07/22/2008 |
| 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 |
| 7341659 | Rinsing liquid treatment device A modular assembly for a rinsing liquid treatment device (2) includes an expansion module (12) and an adapter module (9) for a rinsing liquid circuit for a rock working tool (1) and having a feed line (3), a catch trough (4)... | 03/11/2008 |
| 7332125 | System and method for processing blood A system for filtering and processing blood that is simple to implement and that reduces the need for human intervention. The system may be used to collect red blood cells (RBCs). For such a system, a disposable set may be provided with an inlet port, an RBC contain... | 02/19/2008 |
| 7331472 | Method and apparatus for separation of a mixture of non-miscible liquids A tank has an inlet opening mounted at an end wall at the beginning of an elongated horizontal path for supplying a mixture to be separated, and two outlet openings mounted at the end of the elongated horizontal path for separately draining the separated liquids. An... | 02/19/2008 |
| 7329385 | Device and method for air stream, fluid and vessel decontamination A device for air stream, fluid and vessel decontamination generally comprises an air-inlet portion, through which air enters the device; an iodine-treatment portion; and a bubble-forming element through which iodine-laden air bubbles are released from the device int... | 02/12/2008 |
| 7316774 | Fluid treatment system A reverse osmosis water filtration system has a control housing that contains control components for the filtration system. The control housing may include control components for a membrane flushing system and/or feed water pressurization system for a permeate stora... | 01/08/2008 |
| 7285210 | Zero waste reverse osmosis water filtering A reverse osmosis water filtering system includes a reverse osmosis membrane having first output port for permeate water, second output port for concentrate water, and intake port for receiving filtered water, a filtering assembly providing filtered water to the mem... | 10/23/2007 |
| 7273544 | Sludge extractor A sludge extractor with a receiving tank, on which a suction connection for a suction element, which draws in a sludge-containing liquid, and a discharge connection for discharge element, which discharges the sludge-containing liquid, are mounted, and with a motor f... | 09/25/2007 |
| 7267769 | Water purification system utilizing a carbon block pre-filter A water purification system includes an activated carbon filter and a reverse-osmosis (RO) filter. The activated carbon filter is typically formed with a central aperture that receives an upper portion of a central tube. The RO filter, which is positioned downstream... | 09/11/2007 |
| 7255141 | Beverage bottling plant for filling bottles with a liquid beverage filling material, a container filling plant container filling machine, and a filter apparatus for filtering a liquid beverage A beverage bottling plant for filling bottles with a liquid beverage filling material, a container filling plant container filling machine, and a filter apparatus for filtering a liquid beverage. The filter apparatus has a plurality of filter chambers which are each... | 08/14/2007 |
| 7247245 | Filtration cartridge and process for filtering a slurry A depth filter design is disclosed which has little if any open void area upstream of the media. Preferably, it also has little if any open void area downstream of the media as well. A preferred embodiment uses layers of stacked, fibrous media with several of the la... | 07/24/2007 |
| 7238278 | Apparatus for purifying water The invention relates to a method for purifying water by forming in an electrolytic cell molecular halogen, hypohalic acid, hypohalite ions or combinations thereof, from halide ions dissolved in the water; and dissolving one or more soluble metal salts in the water ... | 07/03/2007 |
| 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 |
| 7213507 | Infusion beverage brewing system An infusion beverage brewing system includes a container and an infuser. The infuser is positioned in a liquid, such as hot water, and has an infusing chamber for containing infusible materials, such as tea leaves. A plunger includes a piston with a peripheral seal ... | 05/08/2007 |
| 7194774 | Filter cover waterfall with lighting for a portable spa A plenum chamber mounted to the underside of a filter cover of a portable spa provides a source of constant water flow for a waterfall. The plenum chamber is fed by a line from a water flow system of the portable spa. The plenum chamber has a shaped exit that causes... | 03/27/2007 |
| 7186282 | Motor-vehicle air cleaner A motor-vehicle air cleaner provided with a check valve mechanism on the lower cap of the air cleaner for drainage and ventilation, and a protection disposed on the outer edge; the check valve being closed as the engine runs to prevent from taking in water vapor and... | 03/06/2007 |
| 7182854 | Sanitation system A sanitation system comprising of a first tank for receiving waste water fluid typically comprising solids, a maceration pump for pulling waste water fluid from the first tank, a cross flow filter comprising of media for receiving the sheared fluid forming unfiltere... | 02/27/2007 |
| 7182858 | Multiple barrier filter apparatus A filter apparatus is provided which includes a first filter membrane element (40a), and a second bacterial filter membrane element. The first viral filter element (40a) is capable of treating water at a first second flow rate and is adap... | 02/27/2007 |
| 7169466 | Multiple-component binder systems for porous composite blocks A porous composite block is provided that contains at least two groups of binding agent particles. The first binding agent particles have an average particle size between about 5 μm and 200 μm. The second binding agent particles have an average particle size no la... | 01/30/2007 |
| 7153425 | Process and filter for filtering a slurry The present invention comprises a process for filtering a slurry and a filter cartridge construction for filtering a slurry having a filtration medium formed of a depth filter such as a cylindrical seamless fibrous depth filter comprising a nonwoven fibrous mass, wo... | 12/26/2006 |
| 7140645 | Quick-connecting coupler for hoses, pipes and faucets A coupler for coupling an end of a hose to a mating end of a faucet or another hose. In the first embodiment, the female end of the coupler is mechanically locked in sealing engagement with a male end by simply translation thereof by means of wedges and an outer ret... | 11/28/2006 |
| 7119451 | Self-powered miniature liquid treatment system with ultraviolet dosing A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator. A flow of liquid may be filtered with the filter and used to rotate the hydro-generator to generate electric power. The ultraviolet light source ... | 10/10/2006 |
| 7090779 | Manually operable water purifying device A manually operated water purifying device which includes a manually moveable operating member that pumps unpurified water into a conduit where it is exposed to purification by an electrically operated UV-C lamp and then dispensed from a portable container, and the ... | 08/15/2006 |
| 7077208 | Method and system for directing fluid flow An apparatus having various conduits moves liquid by passing gas up through it. A collector conduit transports the liquid to the bottom of the unit. A gas-lift conduit mixes the liquid and gas at the bottom and transports the mixture upwards, owing to the rising act... | 07/18/2006 |
| 7067936 | Self-powered miniature liquid treatment system with multiple liquid flow paths A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator in a first flow path. The first flow path may provide treated liquid at a first outlet of the liquid treatment system. A second flow path included... | 06/27/2006 |
| 7066338 | Filter element with anti-tracking ribs An injection moulding assembly (10) comprising a male moulding member (11) surrounded by a female moulding member (12) forming a void (13) between them that upon injection of molten plastics into the mould a container can be formed. The m... | 06/27/2006 |
| 7052612 | Skimmer and filter A skimmer and filter unit for use with a body of water. A tank portion of the unit defines an interior skimmer chamber, one or more ultraviolet light chambers, filter chamber, and pump chamber. Water is received through a pivoting weir door of a skimmer faceplate as... | 05/30/2006 |
| 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 |
| 7028849 | Screen apparatus Screen apparatus comprising a screen (10) which allows fluid to pass through it whilst providing a barrier to non-fluid matter in the fluid. A jet outlet (22) is arranged to direct a jet of fluid across that side of the screen (10) on which such... | 04/18/2006 |
| 7017611 | One-piece manifold for a reverse osmosis system A one-piece manifold for a reverse osmosis system includes a filter configured to receive water from a water port and a membrane configured to receive filtered water via a first conduit. The membrane is also configured to send permeate water to a reverse osmosis tan... | 03/28/2006 |
| 7007759 | Method and system for directing fluid flow A gas/liquid pump moves liquid by passing gas up through it. Pumping is accomplished by the liquid's moving through three conduits. The first, a collector conduit, transports the liquid to the bottom of the unit. The second, a gas-lift conduit, mixes the liquid and ... | 03/07/2006 |
| 7005077 | Shipboard human waste treatment for removing solids A method and system for separating human waste solids from liquid for a shipboard toilet system that allows for the separation of solid waste, compaction of the solid waste and storage of solid waste. Wastes are deposited into a shipboard toilet system that uses vac... | 02/28/2006 |
| 6966981 | Replaceable filter cartridge with support element and liquid filter with such a filter cartridge A replaceable filter cartridge assembly for a liquid filter and a liquid filter in which such a filter cartridge is installed. The filter cartridge 10 is provided with a support element 15, and a seat 20 for a sealing membrane 19 is provi... | 11/22/2005 |
| 6927501 | Self-powered miniature liquid treatment system A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator in a first flow path. The first flow path may provide treated liquid at a first outlet of the liquid treatment system. A second flow path included... | 08/09/2005 |
| 6909101 | Water purifying apparatus This invention is capable of providing a water purifying apparatus with a comparatively simple configuration that can be used easily. First, a usage state is adopted by operating the knob of the faucet. In doing so, the detection means detects the flow of the... | 06/21/2005 |
| 6797160 | Percolating steeper A percolating steeper comprises a carafe, a filter layer situated inside the carafe moving up and down for compressing the infused substance, a control element for controlling the movement of the filter layer, an isolating layer for inhibiting the water convection, ... | 09/28/2004 |
