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| Number | Title | Issue Date |
| 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 |
| 7045057 | Preparation of homogeneously loaded ion exchangers A process for preparing an ion-exchangeable media within a moving-bed or simulated moving-bed device, which can create a true or simulated media flow, comprising the steps of packing the bed with ion-exchangeable media and passing a solution, containing a mixture of... | 05/16/2006 |
| 7033493 | Method and apparatus using super absorbent polymers for dehydration of oil Water is separated from an emulsion of water and oil by passing the emulsion through a bed of superabsorbent polymer granules which break the emulsion and absorb water from the mixture of water and oil. An apparatus for separating water from an emulsion of water and... | 04/25/2006 |
| 7033499 | Flexible disposable vessel A disposable flexible vessel contains a septum, dividing a first chamber from a second chamber. By flowing a fluid through the septum, the fluid is treated as it moves from the first chamber to the second chamber. The particular configuration of the septum allows fo... | 04/25/2006 |
| 7033498 | Cartridges useful in cleaning dialysis solutions Cartridges useful in regenerating or purifying dialysis solutions are described as well as methods to regenerate or purify spent dialysis solutions. Dialysis systems using the sorbent cartridges of the present invention are further described. ... | 04/25/2006 |
| 7022229 | Adsorption separation system An apparatus is presented for separating chemicals using adsorption separation methods. The apparatus uses a plurality of adsorption units holding adsorbent, where the adsorption units are serially connected and are moved to shift the relative position of the feeds ... | 04/04/2006 |
| 7014783 | Flow splitting weir A method of minimizing head loss in a filter system including a plurality of drop pipes, a plurality of filter cells having a maximum influent level, and a distribution box having a maximum influent level, a base, and a plurality of distribution cells. The method in... | 03/21/2006 |
| 7007559 | Method and device for setting the pre-tension of blades of a granulating device A method of setting pre-stressing, by which blades (11) of a granulating head carried by a shaft (12) which is driven by a motor (21) and which is displaceable in the axial direction of a granulating device abut against the perforated plate (... | 03/07/2006 |
| 6997213 | Low cost plate assembly for rotary valve A multiport rotary valve is described providing the interconnection of a plurality of conduits with a predetermined cycle. The valve uses a stack of plates defining channels and ports to form the fluid circuits. ... | 02/14/2006 |
| 6998046 | Filter system and methods of operating the same A filter system employing a modular filter and at least one high rate pre-treatment system for expeditiously and effectively filtering water. The modular filter includes a reservoir housing for containing fluid. A plurality of filter cells are disposed in the reserv... | 02/14/2006 |
| 6979402 | Miniature actual moving bed assembly An apparatus is presented for separating chemicals using adsorption separation methods. The apparatus uses a plurality of adsorption units holding adsorbent, where the adsorption units positioned in a cylindrical spool, are serially connected and the spool is rotate... | 12/27/2005 |
| 6955761 | Multifunctional filter Filters, more particularly to multifunctional filters that are capable of removing as well as adding components to a filtered material are provided by the present invention. In addition to a multifunctional filter, the present invention relates to the use of such a ... | 10/18/2005 |
| 6942795 | Modular filter system and method of repairing and/or replacing components thereof A modular filter system and a method of repairing and/or replacing one or more components thereof. The modular filter system includes a traveling backwash hood assembly and a plurality of filter cells having media contained therein. The traveling backwash hood assem... | 09/13/2005 |
| 6926828 | Fluid filter A fluid filter is provided with a case body defining therein a holder and having pressing portions formed on the internal wall surface of the case body. The pressing portions can compress a filter medium housed in the holder. The pressing portions are pressed agains... | 08/09/2005 |
| 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 |
| 6921481 | Automatic backwash filter system The invention is directed to an automatic backwash filter system that includes at least one influent port for introducing a fluid to the filter; a plurality of partitions forming a plurality of compartments for holding a filtering media for filtering the fluid; at l... | 07/26/2005 |
| 6918953 | Modular pressure swing adsorption process and apparatus A pressure swing adsorption (PSA) system including a first group of PSA modules having a plurality of first PSA modules, and a second group of PSA modules having a plurality of second PSA modules. The system includes a feed gas manifold, a product manifold, and a wa... | 07/19/2005 |
| 6913844 | Method for humidifying reactant gases for use in a fuel cell A system for humidifying a gas, the system including a housing defining a humidification chamber through which a gas travels, and a humidification assembly adjacent to the housing. The humidification assembly includes a source of humidifying liquid and a porous wick... | 07/05/2005 |
| 6896797 | Sample supply apparatus for simulated moving bed chromatographic device A simulated moving bed connected with a sample supply apparatus is constructed such that a sample liquid can be supplied continually to a simulated moving bed separation device without causing any problems due to a penetration of gas phase and admixture of the plura... | 05/24/2005 |
| 6857392 | Aquarium pumping and airing apparatus An aquarium includes a pump disposed in a chamber of a container to circulate water and having a spindle. An air supplying device is coupled to the spindle of the pump and driven by the spindle of the pump, to pump air into the water contained in the chamber of the ... | 02/22/2005 |
| 6849180 | Flow splitting weir The invention recites a filter including a plurality of filter cells, each filter cell including a bottom surface and at least one side surface and defining a maximum influent level. The filter also includes a distribution box including a base and at least one wall,... | 02/01/2005 |
| 6821445 | Rainwater-treating apparatus in combined sewer system and backwashing method therefor The present invention is aimed at treating rainwater in a combined sewer system, while enabling removal of a majority of pollution substances even if a large amount of entering rainwater. The invention relates to a rainwater-treating apparatus in a combined sewer sy... | 11/23/2004 |
| 6802970 | Fluid treating device A fluid-treating device containing a distributing device having a revolving disc in a stationary housing, and a motor for rotating the disc. Feed and discharge pipes are connected to an end wall of the housing and open onto the revolving disc. Stationary vessels are... | 10/12/2004 |
| 6676622 | Extracorporeal affinity adsorption methods for the treatment of atherosclerosis, cancer, degenerative and autoimmune diseases Extracorporeal affinity adsorption treatments which are aimed at the substantial removal of two or more compounds that are etiological in the pathogenesis of diseases in man provide effective therapeutic intervention means for these diseases. The methods ... | 01/13/2004 |
| 6652750 | Externally mounted bilge water filter and methods therefor A bilge water filter for filtering bilge water discharged being drained from the bilge of a vessel includes a casing having first and second ends and at least one sidewall extending between the first and second ends, an inlet extending through the first e... | 11/25/2003 |
| 6616852 | Modular filter system A modular filter system having a mechanism for performing a filter to waste step on the last cell of a multi-cell system following backwashing. A method of operating a modular filter system in which a filter to waste step is performed on the last cell of ... | 09/09/2003 |
| 6582595 | Compact water conditioning apparatus The present invention relates generally to a water conditioning apparatus that is compact and easily recharged without removal from the installation location. In one embodiment, the present invention relates to a water conditioning apparatus that is gener... | 06/24/2003 |
| 6579445 | System for the production of laboratory grade ultrapure water There is disclosed a system capable of purifying water to a laboratory grade level that uses redox media, high energy catalytic activated carbon, ultraviolet radiation and high purity ion exchange media in series filtration. The system produces purified w... | 06/17/2003 |
| 6551818 | Biological filter structures A cartridge for holding compost in a biofilter is substantially uniform in cross section perpendicular to the axis of the cartridge and has a sidewall formed with openings that are small enough to substantially retain the compost in the cartridge yet larg... | 04/22/2003 |
| 6544413 | Simulated moving bed device This invention provides an ultra-micro simulated moving bed apparatus employing valve devices, each of which is applied to each unit column and comprises an eluent valve that opens or closes a first communication passage connecting an eluent feeding cul-d... | 04/08/2003 |
| 6471867 | Electro-regenerating type apparatus for producing deionized water An electro-regenerating type apparatus for producing deionized water, which comprises an electrodialyzer having cation exchange membranes and anion exchange membranes alternately arranged between an anode compartment provided with an anode and a cathode c... | 10/29/2002 |
| 6432306 | Device for the deionization of substances that are not stable at acidic pH A process based on ion exchange with separated beds is disclosed for the deionization of substances that are not stable in the presence of strongly acidic cation exchangers, wherein the solution to be deionized is contacted with a first bed consisting of ... | 08/13/2002 |
| 6372127 | Simulated moving bed separation system A simulated moving bed separation system is provided, in which a fluid circulation flow path can be washed for a short time. This system is provided with a circulation flow path having two or more packed beds connected in series and endlessly to each othe... | 04/16/2002 |
| 6368510 | Method and apparatus for the removal of arsenic from water A method and apparatus for removing arsenic from water at point of entry or point of use particularly for residential application. The point of entry system comprises a first stage having a manganese greensand oxidizer to convert arsenite (As+3) present i... | 04/09/2002 |
| 6312595 | Water filtering system A water filtering system includes a first filtering device connected between an inlet pipe and a fluid volume meter. A second filtering device is connected to the fluid volume meter and has a ceramic tube received therein. A third filtering device is conn... | 11/06/2001 |
| 6290842 | Coagulator A front packing medium accumulation layer (90) and a downstream packing medium accumulation layer (44) which are separated by a lower outflow prevention plate (40) are arranged within a coagulation tank (80). The superficial water passage velocity within ... | 09/18/2001 |
| 6287461 | Tandem system for adsorptive separation Adsorptive separation is performed on liquid media by directing the media containing a target substance through an adsorber stage A whereby the target substance is adsorbed; in the last phase of loading stage A and prior to breakthrough of the target subs... | 09/11/2001 |
| 6280623 | Differential and continuous separation apparatus with controlled parameters for solids and liquids By regulating separation system's relative parameters, this broad and generalized separation process is disclosed to distinguish the fundament between this invention and chromatography for superior cost-effectiveness. A different mass transfer contacting ... | 08/28/2001 |
| 6217545 | Filter with varying density which is responsive to fluid flow A filter is provided within a transparent drinking straw. The filter has a dense core region and a less dense outer peripherial region. The filter is retained in place within the straw by frictional forces under static conditions. The frictional forces wh... | 04/17/2001 |
| 6190548 | Multi-chambered treatment filter An enclosed, elongated structure for placement in the ground to filter and biologically pretreat wastewater after it leaves a septic tank and before it enters a drain field. The structure includes an upstream chamber or compartment connected to an inlet a... | 02/20/2001 |
