| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 210257100 |
With storage unit
| 27 |
| 210259000 |
Diverse
| 16 |
| 210256000 |
One unit inside another
| 11 |
| 210253000 |
Parallel
| 7 |
| 210258000 |
With pump, gas pressure or vacuum source
| 6 |
| 210254000 |
With by-pass | 5 |
| 20100108592 | BIOLOGICAL FLUID FILTRATION SYSTEM UTILIZING BY-PASS LINE AND TUBE SUPPORT DEVICE - An improved biological fluid filtration system is shown having, seriatim, a blood container, a biological fluid filtration device downstream of the blood container, and a blood receiving container downstream of the biological fluid filtration device; a bypass line is provided to allow fluid communication between the blood container and the blood receiving container, the bypass line includes a loop, the loop of the bypass line being configured to be disposed above the blood container at a sufficient height to prevent the passage of fluid around the leukocyte depletion device; the loop of the bypass line being disposed in a tube support device, the tube support device being configured to support substantially the entire weight of the biological fluid filtration system without substantially crimping said bypass line. | 05-06-2010 |
| 20100288688 | Full Flow Liquid Filter with Integral Bypass Filtration - A fluid filter has an outer case with a side wall, a closed first end wall, and a second end wall defining fluid inlet and outlet openings, as well as a filter cartridge received within the outer case. The filter cartridge includes a substantially cylindrical full flow filter element, providing for passage of a major portion of fluid entering the filter, and a substantially cylindrical bypass filter element, providing for passage of a minor portion of fluid entering the filter and disposed radially within and surrounded circumferentially by the full flow filter element. By way of the particular fluid filter configuration disclosed, a simple alternative to known filters having full flow and bypass filters located in common housings is provided. | 11-18-2010 |
| 20130220911 | Valve for use in a water treatment system - There is disclosed a unique water treatment system which incorporates a unique primary valve. The primary valve comprises an interconnected first part and second part. The first part attaches to a water source and provides untreated water to water treatment units which are controlled by the second part of the primary valve. Untreated water flows to a first water treatment unit and subsequently through a valve to the second part of the primary valve and to use or to a second water treatment unit. From the second water treatment unit the water flows to the second part of the primary valve and to use. The second part of the primary valve has a unique bore and slideable shaft valve structure. The water treatment units can purify the water and/or add substances to the water. | 08-29-2013 |
| 20140246368 | MEMBRANE SEPARATION DEVICES AND WATER TREATMENT PLANTS - A membrane separation device that treats water constructed such that at least two permeate streams of different electrical conductivity are generated therein, including at least two membrane modules arranged in a common pressure vessel such that they can be successively subjected to incoming flow of the water to be treated, wherein the pressure vessel is a tube in which the at least two membrane modules are arranged one behind the other in an axial direction and the at least two membrane modules are spirally wound modules. | 09-04-2014 |
| 20160101989 | WATER FILTER DEVICE AND REFRIGERATOR HAVING THE SAME - A refrigerator includes a cabinet to define an outer appearance of the refrigerator and having a storage chamber therein; and a water filter device installed in the storage chamber, to purify water supplied from an external water supply source. The water filter device includes a filter unit to purify the water supplied from the water supply source, a storage tank unit to store the water purified through the filter unit, a case to accommodate the filter unit and the storage tank unit, a filter head assembly, and a water filter assembly separably coupled to the filter head assembly. | 04-14-2016 |
| 210255000 |
Cascade | 3 |
| 20090301957 | Filter for the removal of substances from blood products - A filter for the removal of substance from blood or blood components, particularly for the removal of leukocytes and platelets, comprises a polymeric filter material having a polyurethane coating, wherein the polyurethane has a number average molecular weight not higher than 10,000 Da; the polyurethane is preferably obtained by the addition reaction of an aliphatic diisocyanate, polyethylene glycol and butandiol, by using an excess of the butandiol, whereby the addition reaction is stoichiometrically unbalanced. | 12-10-2009 |
| 20110042296 | APPARATUS AND METHOD FOR PREPARING PLATELET RICH PLASMA AND CONCENTRATES THEREOF - Disclosed is a separator-concentrator, such as for separating and concentrating platelet-rich-plasma (PRP) from whole blood that is suitable for office use or emergency use for trauma victims. The PRP separator comprises a motorized centrifugal separation assembly and a concentrator assembly. The centrifugal separation assembly comprises a centrifugal drum separator and a motor having a drive axis connected to the centrifugal drum separator. The concentrator assembly comprises a water-removal module for preparing PRP concentrate. | 02-24-2011 |
| 20130193056 | FILTERING APPARATUS - A filtering apparatus has a filter tank, a conveyer having a scraper, a primary filter, and a cylindrical rotating secondary filter. The filter tank is divided into a first filter tank portion and a second filter tank portion by the primary filter. Sludge deposited at the bottom of the first filter tank portion is conveyed toward a sludge discharge portion by a first portion of the scraper. A liquid in the first filter tank portion is filtered by the primary filter and flows into the second filter tank portion. A liquid in the second filter tank portion is filtered by the secondary filter and supplied to a clean tank. The sludge adhering to the secondary filter is dropped onto the primary filter. | 08-01-2013 |
| Entries |
| Document | Title | Date |
|---|
| 20110100897 | SYSTEM AND METHOD FOR LIQUID PURIFICATION - A liquid purification system includes an upflow liquid purification system which receives a first flow of liquid. The upflow liquid purification system treats the liquid in response to the liquid flowing upwardly through the upflow liquid purification system. The liquid purification system includes a downflow liquid purification vessel which receives a first flow of liquid. The upflow liquid purification system treats the liquid in response to the liquid flowing upwardly through the upflow liquid purification system. | 05-05-2011 |
| 20110120929 | SYSTEMS AND METHODS FOR TREATING WATER USING IRON - Systems and associated methods for treating contaminant-containing wastewater are provided. The systems generally include a reducing zone for reducing the oxidation-reduction potential of the water and a clean-up zone comprising zero valent iron for removing at least a portion of the contaminant from the contaminant-containing water. The systems are operable to remove one or more contaminants from the contaminant-containing water and are operable for extended durations without clogging due to the formation of iron hydroxides. | 05-26-2011 |
| 20110120930 | DOUBLE FIBER BUNDLE DIALYZER - A dialyzer composed of: first and second dialyzation chambers, and an intermediate chamber interposed between the first and second dialyzation chambers. Each dialyzation chamber has opposed first and second ends and contains a filter member that separates the chamber into a blood compartment and a dialysate compartment. Each of the compartments extends between first and second ends. Each of the chambers has a respective one of a blood inlet or outlet and a dialysate inlet or outlet arranged so that blood and dialysate flow in counter-current to one another in both chambers. The intermediate chamber is connected to form a dialysate-free blood flow passage between the blood compartments. | 05-26-2011 |
| 20120103891 | MULTI-LEAF REVERSE OSMOSIS ELEMENT - A reverse osmosis element is provided. The reverse osmosis element includes a plurality of permeate tubes arranged to form a core frame. The reverse osmosis element further includes a plurality of leaves wound over the core frame. Each leaf of the plurality of leaves is coupled to one permeate tube of the plurality of permeate tubes. A retentate channel is defined by the plurality of permeate tubes of the core frame, and sealed by the plurality of leaves wound over the core frame. The reverse osmosis element includes first and a second end caps coupled to the plurality of permeate tubes. At least one of the first and the second end caps includes a retentate discharge port, and at least one of the first and second end caps includes one or more permeate discharge ports. | 05-03-2012 |
| 20120160757 | SYSTEMS AND METHODS FOR TREATING WATER USING IRON - Systems and associated methods for treating contaminant-containing wastewater are provided. The systems generally include a reducing zone for reducing the oxidation-reduction potential of the water and a clean-up zone comprising zero valent iron for removing at least a portion of the contaminant from the contaminant-containing water. The systems are operable to remove one or more contaminants from the contaminant-containing water and are operable for extended durations without clogging due to the formation of iron hydroxides. | 06-28-2012 |
| 20120261328 | PURIFIER FOR REMOVING HYDROGEN FLUORIDE FROM ELECTROLYTIC SOLUTION - The present invention is a purification system for removing hydrogen fluoride and water from an electrolytic solution for lithium-ion secondary batteries in which [1] a purifier for removing hydrogen fluoride containing a hydrogen fluoride adsorbent selected from among carbonate hydrotalcites and calcined hydrotalcites and [2] a purifier for removing water containing an adsorbent for trapping water are connected in this order from upstream to downstream. | 10-18-2012 |
| 20130140224 | Method For Improved Scaling Of Filters - Method of reducing performance variability of membrane scaling devices. Scaling device performance uncertainty is reduced, thereby reducing the scaling safety factor, by specifying a narrow range or subset of the set of all qualified manufactured membranes for installation into scaling devices. In certain embodiments, the scalability factor is reduced by determining where within the performance distribution a particular membrane lies, and adjusting the scaling factor accordingly. | 06-06-2013 |
| 20130199985 | Filter Device - A filter device is disclosed. The device includes at least one substantially flat filter media that may be encapsulated between non-permeable films. Some embodiments comprise ports for introducing a fluid to be filtered and for evacuating the filtered fluid. Various substrates may be employed therein in cooperation with the at least one filter media to enhance device performance. Also disclosed are various apparatuses configured to contain at least one filter device. | 08-08-2013 |
| 20130213873 | DEVICE FOR PRECIPITATING SUSPENDED MATERIALS - A device for precipitating suspended materials from a liquid, in particular for precipitating gypsum from water, having a vessel comprising a liquid inlet and a liquid outlet, and subdivided into chambers that are in sequence in the flow direction by means of partitions, wherein the liquid inlet opens into a first of the chambers and the liquid outlet opens into a last of the chambers. At least one part of the chambers and preferably every chamber communicates with the chamber downstream thereof in the flow direction by means of an opening in the partition disposed between the chambers. The opening extends at a distance from and parallel to an upper edge of the partition, and each of the openings is disposed at a greater distance from the vessel floor than the opening in the partition downstream thereof in the flow direction. | 08-22-2013 |
| 20130299409 | FILTRATION SYSTEM - The filtration system of the present invention comprises first and second filtration tanks. The first filtration tank has a first floating filter media layer, a first upper screen with a first aperture ratio, a first inlet, a first backwash water supply source, and a first backwash water outlet means. The second filtration tank has a second floating filter media layer, a second upper screen with a second aperture ratio, a second inlet, an inflow blocking mechanism capable of blocking inflow of water to be treated through the second inlet, a second backwash water supply source, and a second backwash water outlet means. The first aperture ratio is smaller than the second aperture ratio. | 11-14-2013 |
| 20140209525 | WATER PURIFIER - In a water purifier, a flow system includes a first channel in which liquid is filtrated in at least one of a first filter tank and a second filter tank, a second channel in which the liquid is filtrated in the second filter tank and the first filter tank is washed, and a third channel in which the liquid is filtrated in the first filter tank and the second filter tank is washed. A switching lever actuates valve mechanisms to perform switching among the first, second, and third channels such that the channels are selected cyclically in order of the first channel, the second channel, the first channel, the third channel and the first channel. The valve mechanisms work with operation of the switching lever. | 07-31-2014 |
| 20150352497 | SALT WATER DESALINATION EQUIPMENT - A salt water desalination equipment that can reduce a load on a salt water supply pump and a power consumption thereof is provided. A salt water desalination equipment includes a salt water supply unit that supplies salt water to a reverse osmosis membrane component, a forward osmosis membrane component to which concentrated salt water discharged from the reverse osmosis membrane component is supplied; and an assisting device to which a mixed water discharged from the forward osmosis membrane component is supplied and which is also connected to the salt water supply unit. The assisting device increases at least one of an electric power supplied to the salt water supply unit, a pressure given to the salt water supply unit, and rotation capacity to the salt water supply unit. | 12-10-2015 |
| 20150375146 | BRINE FILTERING DEVICE, APPLIED TO A MEAT PRODUCT INJECTION MACHINE - The brine filtering device includes a pre-filtering unit having first and second pre-filtration drums arranged to rotate coaxially about a horizontal axis and a safety filtering unit having a safety filter sleeve submerged in a tank and connected to an outlet. The first and second pre-filtration drums have their lower regions submerged in brine contained in a tub. An inlet hopper receives brine to be filtered and forces it into the first pre-filtration drum through an upper region of its filtering wall. Brine exits a lower region of the first pre-filtration drum and is collected in the tub. Brine enters into the second pre-filtration drum through a lower region of its filtering wall. Brine is poured into tank through an open side wall of the second pre-filtration drum. | 12-31-2015 |
| 20160016817 | FLUID TREATMENT APPARATUS AND COMPONENTS OF FLUID TREATMENT APPARATUS - A fluid treatment apparatus and a fluid treatment apparatus component include: a treatment chamber ( | 01-21-2016 |
| 20160031735 | SYNERGISTIC INTERACTION OF WEAK CATION EXCHANGE RESIN AND MAGNESIUM OXIDE - The present invention relates to methods, apparatuses, and systems for treating water. The methods, apparatuses and systems reduce scaling associated with solubilized water hardness using a sequence of water treatment agents, including a first threshold agent shedding weak cation exchange resin and a second magnesium compound conversion agent water treatment. The system or apparatus and methods according to the invention provide synergistic reduction of hard water scaling and elimination of cementing on the insoluble magnesium compound. | 02-04-2016 |
| 20160107911 | APPARATUS AND METHOD FOR PURIFYING WATER - It is an object of the present invention to provide a water purification apparatus and a method thereof utilizing an elongated closed water channel, and having increased purification efficiency and facilitated maintenance. The filtration apparatus | 04-21-2016 |
