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| Number | Title | Issue Date |
| 8177969 | Filter cartridge for use in a water storage tank The present invention relates to a filter cartridge for insertion into a water supply tank of a beverage dispenser, such as an espresso machine or the like, in which filter bed formed from filter material is arranged, wherein a connection to the outlet of the filter... | 05/15/2012 |
| 8137552 | Device for treating and purifying a liquid product The invention substantially relates to the distillery industry. Said invention makes it possible to increase the vodka purification efficiency by arranging a filter in the entire volume of a cartridge and by flowing a liquid product through the equal volume of filte... | 03/20/2012 |
| 8088279 | Runoff water filtration apparatus A runoff water filter is defined by an elongate, tubular mesh container filled with a filter medium that is selected for the ability of the filter medium to remove target pollutants from the runoff water. In a first disclosed embodiment, vermiculite is used as the p... | 01/03/2012 |
| 8057671 | Closure device capable of removing TCA in a beverage container A means of preventing TCA taint from contaminating liquid foods and beverages is provided by incorporating molecular sieves into the manufacturing process and/or packaging materials in order to selectively adsorb the taint molecules while preserving the food's or be... | 11/15/2011 |
| 8012349 | Small volume unitary molded filters and supports for adsorbent beds Methods and devices are provided for preparing and separating biological analytes. In one embodiment, one or more filtration devices or filter plate wells can be formed by clamping a filter sheet between first and second plates having at least one connecting cavity.... | 09/06/2011 |
| 8007948 | Ion exchange cartridge for fuel cell applications An ion exchange cartridge for a coolant system of a fuel cell stack is provided. The ion exchange cartridge includes a housing with an ion exchange resin disposed therein. The housing includes an inlet and at least one fluid-permeable outlet window configured for co... | 08/30/2011 |
| 7635427 | Ion exchange filter An ion exchange filter for a fuel cell system includes a housing with a fluid flow-in port and a cartridge which is disposed inside the housing and in which an ion exchange resin is filled, the fluid flowing in the cartridge through the flow-in port is filtrated the... | 12/22/2009 |
| 7441665 | Water purification cartridge The water purification cartridge treats water with a halogen liberated from halogenated hydantoinyl resins and polymers, resulting in the safe, complete, and economical purification of non-potable water at low flow rates typically found in gravity feed filtration sy... | 10/28/2008 |
| 7438799 | Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants A portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants includes a portable, refillable and hand-holdable vessel for holding and pouring water having a spout and, inside the portable, refillable and hand-holdable ... | 10/21/2008 |
| 7429326 | Water purification apparatus and system The invention relates to a two-stage design for a water purification system, with water to be purified first passing through a first stage containing particulate filtration media, and a second stage containing a porous filtration block. The particulate filtration me... | 09/30/2008 |
| 7427355 | Water treatment unit for bottle or pitcher A water treatment unit for positioning in a sport bottle or container for treating water includes a prefilter section, a pretreatment section, a treatment section and a post treatment section. A first chamber in the pretreatment section contains a first treatment me... | 09/23/2008 |
| 7425274 | Aquarium filter unit An aquarium filter which is constructed of a housing which includes a module. The module is divided into a plurality of different sections. A separate filter cartridge is to be mounted within each section. Each filter cartridge is to be removable and replaceable in ... | 09/16/2008 |
| 7422682 | Compositions, devices, and methods for use in environmental remediation What is disclosed are compositions, devices, and methods for use in environmental remediation. The compositions are for use in a variety of environmental remediation barriers including fiber rolls, mats or blankets, and berms. Applications for the use of the composi... | 09/09/2008 |
| 7413588 | High efficiency, low restriction, cost effective filter A filter includes a filter element formed of filter media, and a plastic framework molded and bonded to and structurally supporting the filter media. One embodiment desirably provides a two-component assembly consisting solely of two components, namely the filter me... | 08/19/2008 |
| 7413663 | Water treatment apparatus and method A water treatment apparatus includes a housing comprising multiple housing portions and a plurality of treatment sections disposed within the housing, each treatment section comprising at least one distinct particulate layer. The apparatus is designed so that no wat... | 08/19/2008 |
| 7402244 | Portable water filtering assembly A portable water filtering assembly includes a soft bag which is composed of a first part and a second part. At least one holding member is connected to an inside of at least one of the first and second parts so as to hold a water filtering device. The water filteri... | 07/22/2008 |
| 7396461 | Filter cartridge for gravity-fed water treatment device A filter cartridge for use in gravity-fed water treatment systems wherein filter elements include a dome-shaped hydrophilic porous particulate carbon powder block filter in a polymeric binder. The filter has a closed upper end and an open lower end with sidewalls ex... | 07/08/2008 |
| 7390408 | Shallow bed fluid treatment apparatus A column apparatus containing a shallow bed of material between fluid transporting fractals of large active surface area results in highly efficient processing with small equipment size. ... | 06/24/2008 |
| 7378018 | Intersecting water conducting filter An intersecting water conducting filter including a filter main body. An oblique tapered assembly chamber is formed in the filter main body. A sidewall of the assembly chamber is formed with multiple insertion grooves in each of which a water conducting layer is inl... | 05/27/2008 |
| 7378015 | Filtered water enhancements A system for enhancing water is described. The system includes a housing with an inlet and an outlet, source water at the inlet, which can flow through a filter component in the housing and thus become treated water, and at least one enhancement module that can disp... | 05/27/2008 |
| 7354513 | Countertop water treatment unit An improved residential countertop water treatment unit for producing potable water suitable for human ingestion such as by drinking or cooking that comprises a vertical arrangement of a base, a cartridge, and a spigot at the top. The base includes an elongated thre... | 04/08/2008 |
| 7351332 | Chromatography cartridge and method for manufacturing a chromatography cartridge A chromatography cartridge and method of manufacturing same. A chromatography cartridge of the present invention can include a tubular housing having an open end and an inner surface, and a plug. The plug can be positioned within the open end of the tubular housing ... | 04/01/2008 |
| 7341661 | Clarification and sorptive-filtration system for the capture of constituents and particulate matter in liquids and gases A sorptive-filtration system for removing at least one of negatively or positively charged ions, complexes or particulates from an aqueous stream. The system includes a) flow formed substantially from at least one of rainfall-runoff or snowmelt-runoff; b) a filter c... | 03/11/2008 |
| 7334536 | Pop-up sewer backup indicator An improved sewer backup indicator. The sewer backup indicator is installed into a sewer cleanout cap housing which comprises a pop-up device that detects and holds the detection of a back up in the sewer system, which is due to number of reasons. This invention hel... | 02/26/2008 |
| 7335299 | Dual filter A dual filter apparatus and a process of making a dual filter apparatus that minimizes disruption to the normal flow pattern through the filter apparatus by forming a porous medium suitable to carry a fluid activator and placing an activator proximate the porous fil... | 02/26/2008 |
| 7329348 | Fuel cell system including an ion filter The present invention is directed to a fuel supply and fuel system with an ion filter and an ion gauge. The filter can be made from discrete pieces of polymeric filter material. The polymeric filter material is substantially the same as the proton exchange membrane ... | 02/12/2008 |
| 7323104 | Water filtering device A water filter device includes a container (1) that has an opening for filling of water, and a filter unit (3) that is movable relative to the container (1). It is significant of the device that the filter unit (3) includes a filter eleme... | 01/29/2008 |
| 7316323 | Filters having improved permeability and virus removal capabilities A filter block having a permeability of greater than about 3.0*10−9 cm2, and a F-VLR of greater than about 99% is provided. The filter block may be made of filter particles having a median particle size of less than about 50 microns and havin... | 01/08/2008 |
| 7316778 | Staged oil filter incorporating pelletized basic conditioner An improved oil conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element having a reactive basic conditioner therein. The reactive basic conditioner is provided to counterac... | 01/08/2008 |
| 7314189 | Delivery system for treated water, showerhead and supply pipe for said system A water delivery system is disclosed comprising a showerhead featuring two delivery points, at least one of which has an own on-off valve, and at least a supply tube carrying untreated water, wherein the showerhead features two separate conduits connecting the two d... | 01/01/2008 |
| 7314553 | Pool filter cleaning device A pool filter cleaning device comprising a containment chamber having a upper end, a lower end, and a circumferential sidewall. The sidewall has a water deflecting portion adjacent the upper end and the containment chamber is adapted to receive a dirty pool filter. ... | 01/01/2008 |
| 7314547 | Fountain solution recycling system for commercial printers A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a printing press and directing the withdrawn fountain solution through a sedi... | 01/01/2008 |
| 7311839 | Removal of biological pathogens using surfactant-modified zeolite Systems and methods are described for removing biological pathogens using surfactant-modified zeolite (SMZ). A method for removing biological pathogens from a fluid or a fluid-based gel includes filtering the fluid or fluid-based gel using SMZs. A method for removin... | 12/25/2007 |
| 7311748 | Air filter assembly system and method An air filter assembly including abutting, cylindrical housing halves, with toothed outer ends, joined via spaced, T-shaped appendages; a cylindrical air inlet of abutting semi-cylindrical housing inlet portions; a primary filter pack, for slip-fit insertion into ei... | 12/25/2007 |
| 7306723 | Method and apparatus for water purification The present disclosure relates to a water purification system for use in a water dispensing apparatus. The water purification system comprises an adapter adapted to mount to a top opening of the dispensing unit of the water dispensing apparatus, the adapter includin... | 12/11/2007 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7297263 | Efficient water filters Water treatment devices that include filtration media with specified grain size distributions are provided. In one arrangement, the device contains a volume of grains such that between about 1 and 15 vol % of the grains have a grain size in a range between a first g... | 11/20/2007 |
| 7297281 | Systems having nanostructured adsorption material and methods for purification of fluid A system for removing particulates and/or contaminants, including impure compounds and elements from fluid to be treated is provided. The systems can include a receptacle having chamber in which a volume of fluid may be accommodated, a cover for placement across an ... | 11/20/2007 |
| 7297283 | Container having fluid purification system A container for removing particulates and/or contaminants, including impure compounds and elements from fluid to be treated is provided. The container can include a compartment within which a volume of fluid to be treated may be received, a chamber into which a volu... | 11/20/2007 |
| 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 |
