| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 210321720 |
Each section having inlet(s) and outlet(s)
| 60 |
| 210321870 |
Cylindrical membrane
| 32 |
| 210321690 |
With membrane cleaning or sterlizing means (other than by filter movement or rotating agitator)
| 27 |
| 210321840 |
Planar membrane
| 23 |
| 210321830 |
Coiled membrane
| 17 |
| 210321710 |
Dialyzer with dialysate proportioning means
| 8 |
| 210321660 |
Energy recovery from treated liquid
| 7 |
| 210321610 |
Membrane secured with adhesive of specified composition | 5 |
| 20080210618 | Fuel Filter - A fuel filter has a housing having an intake and an outlet. A filter element is arranged in the housing such that a filtered area is separated seal-tightly from an unfiltered area. A flow passage is provided between the unfiltered area and the filtered area. A porous filter member closes off the flow passage, wherein the porous filter member is arranged seal-tightly on a wall arranged about the flow passage. The filter element has a filter medium and a geodetically upper and a geodetically lower terminal disks arranged at end faces of the filter medium. The filter medium is connected seal-tightly to the terminal disks. The flow passage is arranged in the geodetically upper terminal disk that forms the wall. | 09-04-2008 |
| 20100193424 | CAPILLARY MEMBRANE FILTER WITH MANUALLY ACTIVATED BACKWASH PUMP - Apparatus for filtration of contaminated water, characterised in that the apparatus is provided with a housing ( | 08-05-2010 |
| 20120031831 | HOLLOW-FIBER ELEMENT FOR ORGANIC-VAPOR SEPARATION - In a hollow fiber element constituting a separation membrane module for separating an organic vapor, at least one end part of a fiber bundle consisting of multiple hollow fiber membranes having a selective permeability is fixed and bound with a tube sheet formed by a cured material, in which an epoxy composition (A) has been cured by using a hardener (B). A glass transition temperature of said cured material is not less than 160° C., a minimum elongation at break thereof is not less than 7.0%, and an elution ratio thereof is less than 5%. For this reason, the hollow fiber element has enough endurance to retain a gas-tightness of an internal space of the hollow fiber membrane and an external space of the hollow fiber membrane even in use under organic vapor with an elevated temperature and high pressure. | 02-09-2012 |
| 20140042076 | Fluoropolymer Hollow Fiber Membrane with Fluoro-copolymer and Fluoro -terpolymer bonded end portion(s) - A hollow fiber membrane fluid transport device is disclosed wherein the fibers are comprised of Polytetrafluoroethylene (PTFE), and the potting materials are comprised of fluorocopolymer and or fluoroterpolymer based materials. The potting of the device utilizes a compressed chemically resistant fluorocopolymer and or fluoroterpolymer film, allows for ease of manufacture without destruction of the PTFE hollow fibers, with high packing densities, and without the processing complexity of pre-melting, extruding, or chemical crosslinking of any polymeric adhesives. Furthermore, the PTFE hollow fibers can be treated with a fluoropolymeric solvent solution before the chemically resistant film is applied to enhance the adhesion of the PTFE fiber to the film. PTFE hollow fibers, and its respective fluoro-co and terpolymers as potting films impart high packing densities, superb chemical resistance and temperature resistance without membrane contamination, or low fiber pull strength, as is sometimes observed with standard potting materials such as polyurethane and epoxy. | 02-13-2014 |
| 20140042077 | Fluoropolymer Hollow Fiber Membrane with Fluoro-copolymer and Fluoro -terpolymer bonded end portion(s) - A hollow fiber membrane fluid transport device is disclosed wherein the fibers are comprised of Polytetrafluoroethylene (PTFE), and the potting materials are comprised of fluorocopolymer and or fluoroterpolymer based materials. The potting of the device utilizes a compressed chemically resistant fluorocopolymer and or fluoroterpolymer film, allows for ease of manufacture without destruction of the PTFE hollow fibers, with high packing densities, and without the processing complexity of pre-melting, extruding, or chemical crosslinking of any polymeric adhesives. Furthermore, the PTFE hollow fibers can be treated with a fluoropolymeric solvent solution before the chemically resistant film is applied to enhance the adhesion of the PTFE fiber to the film. PTFE hollow fibers, and its respective fluoro-co and terpolymers as potting films impart high packing densities, superb chemical resistance and temperature resistance without membrane contamination, or low fiber pull strength, as is sometimes observed with standard potting materials such as polyurethane and epoxy. | 02-13-2014 |
| 210321670 |
Membrane movement during purification | 5 |
| 20090134086 | Sealed rotational water treatment apparatus - A sealed rotational water treatment apparatus is disclosed, and the sealed rotational water treatment apparatus includes a container, a power unit, a pipe shaft, and a plurality of filtering units. The container includes a sealed room, an inlet, an outlet away from the inlet, and a valve connected with the outlet. The power unit is set outside the container. The pipe shaft is connected with the power unit and set through the container, and includes a fluid collecting opening. The filtering units are mounted the external wall of the pipe shaft alternately and perpendicularly whereby the pipe shaft is driven by the power unit, and the filtering units are rotated around an axis. | 05-28-2009 |
| 20100000932 | FILTER APPARATUS CAPABLE OF RELEASING AIR - [Problems] To provide a filter apparatus improved in operability and maintainability during an air releasing operation for a filter apparatus by promoting a reduction in the size of a filter apparatus capable releasing air for a chemical solution. | 01-07-2010 |
| 20110011785 | ROTARY FILTRATION SYSTEM - A rotary filtration apparatus for filtering a feed fluid into permeate is provided. The rotary filtration apparatus includes a container that has a feed fluid inlet. A shaft is at least partially disposed in the container and has a passageway for the transport of permeate. A disk stack made of a plurality of filtration disks is mounted onto the shaft so that rotation of the shaft causes rotation of the filtration disks. The filtration disks may be made of steel components and may be welded together. The shaft may penetrate a filtering section of the container at a single location. The rotary filtration apparatus may also incorporate a bellows seal to prevent leakage along the shaft, and an around the shaft union rotary joint to allow for removal of permeate. Various components of the rotary filtration apparatus may be removed as a single assembly. | 01-20-2011 |
| 20130153484 | FLUID SEPARATORS EMPLOYING A FLUIDIC BEARING - A fluid separation device is provided with an outer housing and a rotor rotatably received within the outer housing. The rotor housing has a first end and a second end. The outer surface of the rotor and/or the inner surface of the outer housing is adapted to allow passage of a fluid component through the surface. The device further includes a flexible seal associated with one of the ends of the rotor and adapted to allow for rotational, non-axial, and axial movement of the rotor with respect to the outer housing. | 06-20-2013 |
| 20160045871 | FILTRATION AND EMULSIFICATION DEVICE - The invention relates to a device for the microfiltration, ultrafiltration, or nanofiltration and/or the emulsification of liquids. The device has at least one rotatable membrane medium, which has a filtrate/permeate side or a side facing a dispersed phase and a concentrate/retentate side or a side facing a coherent phase and which can be rotated in a container in order to produce a vacuum on an unfiltered liquid side or the side facing the coherent phase on partial regions of the at least one rotatable membrane medium in the container in small time segments at a frequency of 1-100 Hz. Said container has at least one feed for an unfiltered liquid or the coherent phase, at least one overflow for an unfiltered liquid or an emulsion, and at least one rotatable channel for filtrate/permeate drainage or feed of the dispersed phase, and a suction device, in particular in the manner of a suction strip or nozzle plate. The suction device has at least one suction strip or nozzle plate arranged parallel to the rotatable membrane medium or is such a suction strip or nozzle plate, which is attached at a distance of less than 0.1 to 10 mm from the membrane medium, and thus cleans non-permeating materials collected on the unfiltered liquid side during a filtration process from a surface of the membrane medium, or promotes drop formation of the dispersed phase exiting from a membrane surface on the side facing the coherent phase during an emulsification process. The invention further relates to uses of the device. | 02-18-2016 |
| 210321620 |
Antithrombogenic membrane | 4 |
| 20100084331 | DEVICE FOR REMOVING LEUKOCYTES FROM BLOOD - A device for reducing the number of leucocytes in blood comprising a plurality of hollow fibers based on organic polymers, whereby the hollow fibers have a lumen and a wall surrounding the lumen, said wall having an internal surface facing the lumen and an external surface, whereby the hollow fibers are arranged in a cylindrical housing with an inlet arrangement and an outlet arrangement and whereby an outer space is formed between the hollow fibers and the housing, which space is accessible for a fluid via the inlet arrangement and the outlet arrangement, characterized in that only the external surfaces of the hollow fibers are accessible for a fluid, that the lumina of the hollow fibers are not accessible for a fluid, that the arrangement of the hollow fibers shows a high degree of order and that the hollow fibers based on organic polymers cause a generation of the complement activation product C5a in a concentration of at least 10 μg per m | 04-08-2010 |
| 20100176048 | Substrate and method for production thereof - The present invention relates to a substrate including a compound having blood anticoagulation activity and a hydrophilic polymer compound, wherein the amount of elution of the compound having blood anticoagulation activity is less than 0.6 μg/ml, and a manufacturing method of a substrate, wherein after a compound having blood anticoagulation activity and a hydrophilic compound brought in contact with a substrate are irradiated with radiation, unreacted components are washed out. | 07-15-2010 |
| 20110056882 | MICROMACHINED BILAYER UNIT OF ENGINEERED TISSUES - Methods and materials for making an apparatus which duplicates the functionality of a physiological system is provided. | 03-10-2011 |
| 20160045932 | Anti-Thrombogenic Porous Membranes And Methods For Manufacturing Such Membranes - A system is provided for separating a bodily fluid, such as blood, into two or more constituent parts. The system is configured to cooperate with a fluid flow circuit including a spinning membrane-type fluid separation chamber having a housing, with a fluid inlet port and at least one fluid outlet port. A rotor is positioned within the housing so as to define a gap between the rotor and an inside surface of the housing, with the rotor being rotatable relative to the housing about an axis. A membrane is mounted on the rotor and/or on the inside surface of the housing and faces the gap to separate bodily fluid within the housing into two or more constituent parts. The membrane includes an anti-thrombogenic material, which may be either incorporated into the material of the membrane or coated onto at least a portion of the membrane. | 02-18-2016 |
| 210321640 |
Plural diverse structured membranes within a single casing | 4 |
| 20100326901 | PRESSURE VESSEL FOR MEMBRANE ELEMENT, MEMBRANE FILTRATION APPARATUS EQUIPPED WITH THE PRESSURE VESSEL FOR MEMBRANE ELEMENT, AND METHOD FOR MANUFACTURING MEMBRANE FILTRATION APPARATUS - Provided are a pressure vessel for a membrane element in which the membrane element can be easily mounted, a membrane filtration apparatus equipped with the pressure vessel for a membrane element, and a method for manufacturing a membrane filtration apparatus. A rail (protrusion) | 12-30-2010 |
| 20120018366 | FLUID SEPARATION SYSTEM WITH REDUCED FOULING - A fluid separation system includes a separation membrane having a pattern of features thereon. | 01-26-2012 |
| 20130043177 | WAFER-SHAPED HOLLOW FIBER MODULE FOR IN-LINE USE IN A PIPING SYSTEM - A wafer-shaped hollow fiber module adapted for in-line use in a piping system. The piping system may include two standard bolted flange connections, and at least one wafer-shaped hollow fiber module sealed between the two standard bolted flange connections. The wafer shaped hollow fiber module includes: a cylindrical housing having an open end and a closed end having a first sealing surface and an inlet port; at least one side port through the cylindrical housing; an end cap united to the open end having a second sealing surface and an outlet port. | 02-21-2013 |
| 20140076792 | FLUID TREATMENT APPARATUS AND METHOD OF USING SAME - A portable or personal water filtration apparatus comprising upstream and downstream removable reservoirs and a back-washable filter interposed therebetween. The back-washable filter comprises an upstream housing and a downstream housing, inside of which are fitted a membrane cartridge and a slidable plunger. The downstream housing is rotatable relative to the upstream housing between two or more positions, including, for example, an open flow position, a closed flow position, and a back-wash position. In the back-wash position, the downstream housing and plunger are axially extendable relative to the upstream housing and membrane cartridge in order to obtain a charge of clean water in the plunger that may then be forced backward through the filter by returning the plunger to its starting position. This dislodges accumulated debris from the membrane and reverses the slowing of flow observed through repeated use of the filter. | 03-20-2014 |
| 210321650 |
Permeated liquid quantity measurement or control | 3 |
| 20100224549 | Filter Device for a Motor Vehicle - A filter device for a motor vehicle has a filter element with a porous ceramic support body provided with one or more passages for receiving a liquid to be filtered and filter membranes formed on inner walls of the passages. The liquid to be filtered passes through the filter membranes into the support body and exits from the support body through a circumferential surface of the support body. At least one compensation element is arranged at an end face of the support body. The compensation element is elastically deformable for providing an additional liquid volume that is generated when the liquid expands due to freezing. | 09-09-2010 |
| 20160038882 | SPIRAL TYPE SEAWATER DESALINATION APPARATUS - An embodiment of the present invention includes: a spiral type pressure vessel | 02-11-2016 |
| 20160184501 | CASSETTE MODULE - The present invention relates to a cassette module for controlling fluid flows, in particular for use in blood treatment systems or in infusion systems, wherein the cassette module comprises at least one base body having means for the flow guidance of at least one fluid flow and at least two membranes which are at least sectionally directly or indirectly in contact with the base body, wherein at least one actuation element is arranged between the membranes by means of which the means for the flow guidance can be acted on. | 06-30-2016 |
| 210321630 |
Rotating mechanical agitator adjacent membrane | 2 |
| 20120175295 | BLOOD TREATMENT UNIT FOR AN EXTRA-CORPOREAL BLOOD TREATMENT APPARATUS - The housing of the blood treatment unit according to the invention holds both a blood pump and a semi-permeable membrane. The blood pump is an impeller pump. The impeller of the impeller pump is surrounded by a partition which divides the housing into two chambers. The semi-permeable membrane forms at least a part of the partition. It is therefore possible for an exchange of matter to take place between the blood which flows through the first chamber of the housing and the dialysis fluid which flows through the second chamber of the housing. The blood treatment unit is intended for an extra-corporeal blood treatment apparatus and has a particularly compact construction. | 07-12-2012 |
| 20130092617 | WATER TREATMENT UNIT AND WATER TREATMENT APPARATUS - A water treatment unit is usable in a water treatment apparatus that performs water treatment using a reverse osmosis membrane. The water treatment unit includes: a casing; a separation membrane mounted in the casing and bent into a pleated shape; a reinforcing member attached to the separation membrane and having a function of reinforcing the separation membrane; a rotating mechanism rotating the separation membrane; and a cleaning device capable of cleaning the separation membrane. The separation membrane has a plurality of island-like portions and a plurality of fiber-like portions extending from the island-like portions and having a width smaller than that of the island-like portions, and an area of the fiber-like portions at a membrane surface is set to be larger than that of the island-like portions. | 04-18-2013 |
| 210321860 |
Pleated membrane | 1 |
| 20110062073 | Thermoplastic injection molding method for capping a tubular filtration medium - A method for over-molding a tubular filter element | 03-17-2011 |
| Entries |
| Document | Title | Date |
|---|
| 20090001013 | RESIDENTIAL REVERSE OSMOSIS SYSTEM - A reverse osmosis system that includes a housing having an inlet port, a permeate port and a concentrate port. The reverse osmosis system further includes a membrane element within the housing and (i) a first connector that has an end which is connected to the inlet port; (ii) a second connector that has an end which is connected to the permeate port; and (iii) a third connector that has an end which is connected to the concentrate port. The end of the first connector fits the inlet port but does not fit the permeate port or the concentrate port. The end of the second connector fits the permeate port but does not fit the inlet port or the concentrate port. The end of the third connector fits the concentrate port but does not fit the inlet port or the permeate port. | 01-01-2009 |
| 20090078640 | High Flux Fluid Separation Membranes Comprising a Cellulose or Cellulose Derivative Layer - The present invention provides membranes having a coating layer comprising cellulose or cellulose derivative and a porous support comprising nanofibers prepared by a process of coating a solution comprising cellulose or a cellulose derivative dissolved in an ionic liquid on to a porous support layer. The present invention is useful for providing improved water flux and high rejection rates for oil/water emulsions. The present invention also provides fluid separation systems in UF, NF, RO and FO, incorporating membranes of the present invention. | 03-26-2009 |
| 20090078641 | HOLLOW FIBER MEMBRANE WITH EXCELLENT PERFORMANCE STABILITY AND BLOOD PURIFIER AND METHOD FOR PRODUCING HOLLOW FIBER MEMBRANE - Purpose: To provide a blood purifier having a high water permeability, for use in treatment of chronic renal failure, which is not variable in performance during the treatment, independently of a patient's body condition. | 03-26-2009 |
| 20090178969 | POLYMER SEPARATION MEMBRANE AND PROCESS FOR PRODUCING THE SAME - The invention provides a polymer separation membrane that is excellent in separating characteristics, a permeating ability, a chemical strength (particularly chemical resistance) and a physical strength, and also excellent in a stain resistance, and a producing method therefor. The fluorinated resin-type polymer separation membrane includes a layer having a three-dimensional network structure, and a layer having a spherical structure, wherein the layer of three-dimensional network structure is formed by a fluorinated resin-type polymer composition containing a hydrophilic polymer, and the hydrophilic polymer is a substantially water-insoluble hydrophilic polymer containing at least one of a cellulose ester, an aliphatic vinyl ester, vinylpyrrolidone, ethylene oxide and propylene oxide as a polymerization component. The polymer separation membrane is applicable as a filtration membrane for water treatment, a battery separator, a charged membrane, a fuel cell membrane or a blood cleaning filtration membrane. | 07-16-2009 |
| 20090200225 | DIALYSIS DEVICE WITH ACCESS PORT - A device for dialysis of a sample includes a sample chamber formed by a gasket and dialysis membranes affixed to each side of the gasket in facing relationship. A housing supports the dialysis membranes and gasket. An air chamber causes the device to float in a generally upright position when the device is immersed in a dialysate. An access port is provided through the gasket and between the dialysis membranes. The access port is accessible from outside the housing and in communication with the sample chamber such that a dispensing end of a dispensing device can be inserted through the access port to dispense sample into the sample chamber. In one embodiment, the gasket is impermeable or essentially impermeable to the sample being dialyzed. | 08-13-2009 |
| 20090218274 | Hollow Fiber Membrane Module - There is provided a hollow fiber membrane module ( | 09-03-2009 |
| 20090277824 | Method for reducing performance variability of multi-layer filters - Multi-layer membrane devices with reduced performance variability, and method of reducing performance variability of such devices. The variability is reduced by combining two or more membranes with similar pore sizes, and carefully selecting the upstream membrane based upon its performance rating, in order to control the performance of the overall device. Selective layering reduces the capacity range of the device when compared to random layering, with the mean capacity greater than overall population mean. The flux range also can be reduced, with the mean near the overall population mean. The LRV range also can be reduced, with the mean LRV near or higher than the overall population mean. | 11-12-2009 |
| 20100038301 | SUBMERGED TYPE HOLLOW FIBER MEMBRANE MODULE AND METHOD FOR MANUFACTURING THE SAME - A submerged-type hollow fiber membrane module and a method for manufacturing the same are disclosed, which is capable of realizing a great sealing strength between a module case and a bundle of hollow fiber membranes without an additional centrifugal molding apparatus. The method includes forming a bundle of hollow fiber membranes held together and fixed by a first potting material, wherein one end of each of the hollow fiber membranes is open; putting the bundle of hollow fiber membranes in a module case and fixing the bundle of hollow fiber membranes in the module case by forming a second potting material on the first potting material. | 02-18-2010 |
| 20100059433 | POLYMER DEPOSITION AND MODIFICATION OF MEMBRANES FOR FOULING RESISTANCE - The present invention describes methods and compositions for the reduction, prevention and elimination of biofilm formation on a surface. The present invention provides a method of depositing a coating material to reduce or prevent biofilm formation on a surface by adding a dopamine coating material to a liquid solvent to form a solution mixture, adjusting a pH of the solution mixture to 8, 9, or 10 and dissolving the dopamine coating material in the liquid solvent. The solution mixture is then placed into contact with one or more surfaces to form a dopamine coating on the surface to reduce biofilm formation. | 03-11-2010 |
| 20100084330 | Zirconium Phosphate Particles Having Improved Adsorption Capacity and Method Of Synthesizing The Same - Zirconium phosphate particles are synthesized by providing a solution of zirconium oxychloride in an aqueous solvent, adding at least one low molecular weight, oxygen containing, monofunctional, organic additive to the solution, and combining this solution with heated phosphoric acid or a phosphoric acid salt to obtain zirconium phosphate particles by sol gel precipitation. | 04-08-2010 |
| 20100155322 | Vehicle mounted fuel separation apparatus - A fuel separation apparatus comprises a stock fuel storage tank storing stock fuel, a separator provided with a separation film separating the stock fuel into high octane value fuel with an octane value higher than the stock fuel and a low octane value fuel with an octane value lower than the stock fuel, and a high octane value fuel storage tank storing the high octane value fuel separated by the separator. When the temperature of the separation film is lower than the high octane value fuel separation temperature, the high octane value fuel stored in the high octane value fuel storage tank is supplied to the separator. Due to this, vaporization of fuel is suppressed and the fuel can be quickly raised in temperature. Due to this, a vehicle mounted fuel separation apparatus able to quickly raise the temperature of the fuel supplied to the separation film so as to quickly raise the temperature of the separation film at the time of engine cold start can be provided. | 06-24-2010 |
| 20100155323 | FUNCTIONALIZED NONWOVEN ARTICLE - A grafted nonwoven substrate is disclosed having average fiber sizes of 0.7 to 15 microns, and a void volume of 50 to 95%, and a polymer comprising cationic aminoalkyl(meth)acryloyl monomer units grafted to the surface of the nonwoven substrate. The article may be used as a filter element to purify or separate target materials, such as oligonucleotides or monoclonal antibodies (MAb), from a fluid mixture. | 06-24-2010 |
| 20100326900 | FLOW DISTRIBUTOR PLATE FOR THE TREATMENT OF WATER BY REVERSE OSMOSIS - In a reverse osmosis desalination plant a number of membranes ( | 12-30-2010 |
| 20110000842 | HUMIDIFYING MEMBRANE MODULE - To provide a humidifying membrane module that is reduced in weight, size and cost by making a case in a single layer structure, the humidifying membrane module has a hollow fiber membrane bundle constructed from plural hollow fiber membranes, a case accommodating the hollow fiber membrane bundle, a first flow passage extending through hollows of the hollow fiber membranes, and a second flow passage extending through the outer surface sides of the hollow fiber membranes, the membrane bundle and the case are simultaneously integrated at both ends of the membrane bundle by using potting members sealing gaps between the membrane bundle and the case, an inlet and an outlet constructing the first flow passage are formed at the both ends of the case respectively, and an entrance and an exit constructing the second flow passage are formed in side surfaces near the both ends of the case respectively. | 01-06-2011 |
| 20110017654 | SEPARATION MEMBRANE, METHOD OF PRODUCING THE SAME AND SEPARATION MEMBRANE MODULE USING THE SEPARATION MEMBRANE - A separation membrane includes a membrane comprising a polymer, characterized in that a functional layer is formed on the surface in one side of the membrane, the peak area percentage of carbon derived from ester group measured by the electron spectroscopy for chemical analysis (ESCA) on the surface of the preceding functional layer is 0.1% (by atomic number) or more but not more than 10 (% by atomic number), and the peak area percentage of carbon derived from ester group measured by the electron spectroscopy for chemical analysis (ESCA) on the surface opposite to the functional layer is not more than 10 (% by atomic number). A separation membrane module suffering from little sticking of organic matters, proteins, platelets and so on is provided with the separation membrane as a built-in membrane. | 01-27-2011 |
| 20110203987 | REVERSE OSMOSIS SYSTEM - The invention concerns a reverse osmosis system ( | 08-25-2011 |
| 20110240545 | SPACER ELEMENT FOR GUIDING FLOW MEDIA - In a spacer element for guiding a flow medium in apparatus for filtering and separating the flow medium by reverse osmosis and ultrafiltration wherein filter elements are disposed between adjacent spacer elements which are disc-shaped and each has a central opening with a plurality of spaced openings disposed around the central opening for conducting the flow medium through the spacer element, a plurality of projections extend from the surfaces of the spacer element and have support areas formed at their tops which are oriented essentially parallel to the side surfaces of the spacer element. | 10-06-2011 |
| 20110240546 | CENTRAL CORE ELEMENT FOR A SEPARATOR ASSEMBLY - The present invention provides a central core element for a separator assembly comprising at least two porous exhaust conduits; each porous exhaust conduit defining an exhaust channel and one or more openings allowing fluid communication between an exterior surface of the porous exhaust conduit and the exhaust channel, said porous exhaust conduits independently defining a cavity between said porous exhaust conduits, said cavity being configured to accommodate a first portion of a membrane stack assembly. In another aspect, the present invention provides a central core element for a separator assembly comprising at least two identical core element components, each of said core element components comprising at least one porous exhaust conduit and at least one friction coupling, said friction couplings being configured to join said core element components to form a central core element defining a cavity configured to accommodate a first portion of a membrane stack assembly. | 10-06-2011 |
| 20110240547 | TUBING SET FOR RENAL REPLACEMENT THERAPY - A method and device for blood treatments that use fluids such as dialysate and replacement fluid for renal replacement therapy. In an embodiment, fluid is passed either by pump or passively by gravity feed, through a microporous sterilization filter from a fluid source to a replacement fluid container. The latter forms a batch that may be used during treatment. The advantage of forming the batch before treatment is that the rate of filtering needn't match the rate of consumption during treatment. As a result, the sterilization filter can have a small capacity. In another embodiment, a filter is placed immediately prior to the point at which the sterile fluid is consumed by the treatment process. The latter may be used in combination with the former embodiment as a last-chance guarantee of sterility and/or that the fluid is free of air bubbles. It may also be used as the primary means of sterile-filtration. | 10-06-2011 |
| 20110247975 | Filtering permeable thermoformed container for beverage-making products with a reinforcement ring - An improved filtering permeable thermoformed container is provided which can be formed from a flat film into a shape of a cup for containing water-soluble or brewing products for making beverages wherein an advantageously shaped reinforcement ring supports the film body and a membrane lid in a rigid manner to facilitate the lid being pierced. | 10-13-2011 |
| 20110309011 | RESIDENTIAL REVERSE OSMOSIS SYSTEM - Some embodiments of the present invention relate to a reverse osmosis (RO) system that includes a housing and a pre-filter within the housing such that feed water flows into the housing and enters the pre-filter. The reverse osmosis (RO) system further includes a membrane element within the housing such that the pre-filtered water flows from the pre-filter and enters the membrane element and permeate exits the membrane element through the housing. In some embodiments, the housing includes a first end cap at one end and a second end cap at an opposing end such that feed water flows through the first end cap into the pre-filter and pre-filtered water flows from the pre-filter into the first end cap. In addition, the pre-filtered water may flow from the first end cap to the membrane element such that permeate exits the membrane element through the first end cap in order exit the housing. | 12-22-2011 |
| 20120118810 | PUMP FOR A DESALINATION SYSTEM - A pump assembly to move water past a reverse osmosis membrane, said pump assembly having a first pump ( | 05-17-2012 |
| 20120193279 | Device for guiding a cable in a medical dosing apparatus, dosing device, treatment apparatus, as well as method - The invention pertains to a device for guiding at least one cable for use in a medical dosing apparatus, which features at least one movable section, characterised in that the device is connected or at least designed to be connected to the at least one movable section of the dosing apparatus permitting movement in tandem. It pertains further to a dosing apparatus, a treatment apparatus, a method for position detection as well as a method to enable or carry out position detection. | 08-02-2012 |
| 20120199528 | Filtering Device Incorporating Nanoparticles - A filtering device incorporating nanoparticles that are known to be capable of destroying bacteria, fungi, viruses, or toxins. The nanoparticles are combined with a filter. The nanoparticles may be pellets adjacent to the filter, a powder of nanoparticles coating at least one side of a filter, or impregnated into a filter. Optionally, two or more filters are contained within an encasement having an inlet and an outlet. Preferably, at least one filter has an electrical charge that is the same as the electrical charge of at least one target particle. Also preferably, coating is accomplished by having a filter to be coated carry an electrical charge that is opposite to an electrical charge carried by the nanoparticles in the powder. Optionally, a filter can be either hydrophobic or hydrophilic. | 08-09-2012 |
| 20120255897 | COMPOSITE MEMBRANES - Composite membranes, methods or processes for producing composite membranes, and systems utilizing composite membranes are generally described. In some examples, a composite membrane includes a porous halogenated polymer and a conductive polymer coupled to the porous halogenated polymer. In some examples, a process for producing a composite membrane includes coupling a conductive polymer and a porous halogenated polymer. | 10-11-2012 |
| 20120292246 | MICROFLUIDIC DEVICES, PARTICULARLY FILTRATION DEVICES COMPRISING POLYMERIC MEMBRANES, AND METHOD FOR THEIR MANUFACTURE AND USE - The present disclosure describes devices useful for microscale fluid purification, separation, and synthesis. Such devices generally comprise a fluid membrane that separates two or more fluids flowing through plural microchannels operatively associated with the membrane. Often, the membrane is a semipermeable membrane, such as might be used with a filtration device, such as a dialyzer. Devices of the present invention can be combined with other microscale devices to make systems. For example, the devices may be coupled with one or more microchemical microfactories, one or more micromixers, one or more microheaters, etc. Examples of devices made according to the present invention included an oxygenator, a dialyzer, microheat exchangers, etc. | 11-22-2012 |
| 20120318726 | SYSTEMS, METHODS, AND DEVICES RELATING TO A BIOMIMETIC CELLULARIZED NEPHRON UNIT - Disclosed herein are systems and devices for culturing cells in a biomimetic environment of a cellularized nephron unit, and methods for fabricating and using the cellularized nephron unit. | 12-20-2012 |
| 20130015119 | PORTABLE FILTRATION UNIT - The present invention relates to portable filtration units including filter components mated with retentate and permeate flow channels wherein particle containing solutions are introduced into the portable filtration units and contacted with the filter components for filtration thereby producing a retentate outflow and a permeate outflow for capture of desired end product. | 01-17-2013 |
| 20130105381 | FILTERING APPARATUS HAVING FIXED-TYPE CHAOS-FLOW INDUCER | 05-02-2013 |
| 20130112610 | MICROSIEVE USING CARBON NANOTUBES - A microsieve includes a patterned forest of vertically grown and aligned carbon nanotubes with a patterned matrix of vertically aligned pores. A conformal coating of substantially uniform thickness coats the nanotubes defining coated nanotubes. An interstitial material infiltrates the carbon nanotube forest and substantially fills interstices between individual coated nanotubes. The interstitial material can be a metal material infiltrated by electroplating. | 05-09-2013 |
| 20130118970 | Dialysis Fluid Cassettes and Related Systems and Methods - A dialysis fluid cassette that includes a base and a flexible membrane attached to the base. The flexible membrane and the base cooperate to at least partially define a venting chamber and a fluid channel fluidly connected to the venting chamber. | 05-16-2013 |
| 20130126413 | HEMODIALYSIS SYSTEMS AND METHODS - Hemodialysis dialysis systems are disclosed. Hemodialysis systems of the invention may include a dialysate flow path including a balancing circuit, a mixing circuit, and/or a directing circuit. The circuits may be definedwithin one or more cassettes. The fluid circuits may be at least partially isolated, spatially and/or thermally, from electrical components of the system. A gas supply may be provided in fluid communication with the dialysate flow path and/or the dialyzer to, urge dialysate through the dialyzer and blood back to the patient. The hemodialysis systems may include fluid handling devices actuated using a control fluid, optionally delivered using to detachable pump. Fluid handling devices may be generally rigid and of a spheroid shape, optionally with a diaphragm dividing the device into compartments. | 05-23-2013 |
| 20130140225 | Nozzle And Container For Dispensing A Liquid - A tip for dispensing liquid for mounting on a container. A valve includes at least two elements that are mobile in relation to one another, each mobile element including a bearing zone against the other mobile element. One of the mobile elements bears anti-microbial material on or in the immediate proximity of a part of its bearing zone forming a blocking barrier and all surfaces of the dispensing tip in contact with the inside are free of anti-microbial material. | 06-06-2013 |
| 20130206671 | Water Electrolysis Treatment Device - A water electrolysis apparatus is provided that can stably produce water with high purity while preventing soiling and breakage, allows easy handling, detachment, and replacement, and allows inexpensive manufacture and maintenance. The water electrolysis apparatus includes: a treatment vessel; an anion cylinder having a cylindrical negative ion permeable membrane provided in the treatment vessel; a cation cylinder having a cylindrical positive ion permeable membrane provided in the treatment vessel; an anode provided in the cylindrical negative ion permeable membrane in an axial direction of the cylinder; and a cathode provided in the cylindrical positive ion permeable membrane in an axial direction of the cylinder, water to be treated stored in the treatment vessel can flow in an axial direction of the cylinder of the anion cylinder and the cation cylinder in the treatment vessel, and ion concentrated water with concentrated ions is obtained in the anion cylinder and the cation cylinder, and pure water is obtained in the treatment vessel. | 08-15-2013 |
| 20130256209 | MEMBRANE FOR REVERSE OSMOSIS - Reverse-osmosis modules, each containing a module tube with a module bottom and a module lid, and a reverse osmosis membrane arranged in the module tube and comprising a permeate collection tube, are characterized in that the reverse osmosis membrane has a fixed predetermined diameter and a length selected from predetermined length values. | 10-03-2013 |
| 20130306543 | MANUALLY OPENABLE CLAMPING HOLDER WITH SENSOR - The invention relates to a manually openable clamping holder ( | 11-21-2013 |
| 20130334123 | MICROPOROUS MEMBRANE AND METHOD FOR FORMING - The present disclosure describes a method for forming microporous membranes. More specifically, vapor induced phase separation techniques are used for forming multizone microporous membranes having improved material throughput. | 12-19-2013 |
| 20140061114 | Porous Composite Membrane Including Microporous Membrane Layers And Nanofiber Layer - A filtration member comprising a nanofiber layer and two nanoporous membrane layers is disclosed. The filtration member can be used to remove particles and gels from photoresist and other fluids by a combination of sieving and non-sieving particle retention mechanisms. | 03-06-2014 |
| 20140131268 | PROCESS FOR MANUFACTURING POROUS MEMBRANES - The present invention pertains to a process for the manufacture of a porous membrane, said process comprising the following steps: (i) providing a composition [composition (F)] comprising: —at least one fluoropolymer [polymer (F)] comprising recurring units derived from at least one (meth)acrylic monomer (MA) having formula (I) wherein: —R | 05-15-2014 |
| 20140251892 | SEPERATION MEMBRANE HAVING EXCELLENT ANTIFOULING PROPERTIES FOR WATER TREATMENT AND MANUFACTURING METHOD THEREOF - A water treatment separation membrane includes a support having pores, a polyamide layer formed on the support, and a passivation layer formed on the polyamide layer by using an aqueous solution including an amine-containing compound, an epoxy-containing compound and a fluorine-containing compound. | 09-11-2014 |
| 20140263024 | HALOGEN RESISTANT AMIDES, POLYAMIDES, AND MEMBRANES MADE FROM THE SAME - A halogen resistant polyamide is formed from the reaction product of an amine monomer and an acid chloride monomer wherein the amino group of the starting amine monomer is separated from the aromatic amine ring system by an alkyl group and (i) minimizes halogenation on the amine and (ii) minimizes N-halogenation at a pH range of approximately 7 to approximately 10.5. A membrane is made from the polyamide for use, for example, in a reverse osmosis desalination unit. | 09-18-2014 |
| 20140284261 | SEPARATION MEMBRANE FOR BLOOD PROCESSING AND BLOOD PROCESSING APPARATUS HAVING THE MEMBRANE INSTALLED THEREIN - An object of the present invention is to provide a separation membrane for blood processing having high blood compatibility and storage stability and membrane performance that rarely deteriorates even if irradiation sterilization treatment is applied, and provide a blood processing apparatus having the membrane installed therein. The present invention is also directed to providing a separation membrane for blood processing having satisfactory air-bleeding during priming treatment of the blood processing membrane, and providing a blood processing apparatus having the membrane installed therein. | 09-25-2014 |
| 20140319044 | NANOPARTICLE-FUNCTIONALIZED MEMBRANES, METHODS OF MAKING SAME, AND USES OF SAME - Nanoparticle functionalized membranes, where the surface of the membranes is nanoparticle functionalized. The nanoparticles closest to the membrane surface are covalently bonded to the membrane surface. For example, the membranes are forward osmosis, reverse osmosis, or ultrafiltration membranes. The membranes can be used in devices or water purification methods. | 10-30-2014 |
| 20140339149 | Disposable Apparatus and Kit for Conducting Dialysis - An extracorporeal blood processing system comprises a plastic molded compact manifold that supports a plurality of molded blood and dialysate fluidic pathways along with a plurality of relevant sensors, valves and pumps. A disposable dialyzer is connected to the molded manifold to complete the blood circuit of the system. The compact manifold is also disposable in one embodiment and can be detachably installed in the dialysis machine. | 11-20-2014 |
| 20150060347 | FILTER DEVICE - A filter device including a stationary head piece and a movable end piece and a pack of adjacent elements including a recess plate, wherein the pack is arranged between the stationary head piece and the movable end piece, wherein the recess plate includes a base element including a recess forming a filter chamber between the adjacent elements, wherein the filter device includes a filter membrane between the adjacent elements, wherein the filter membrane retains a solid content of a suspension as a filter cake and allows a remaining liquid fraction of the suspension to pass as a filtrate, wherein the recess plate includes a fluid pipe discharging the filtrate, which fluid pipe runs along a narrow edge of the base element, wherein the recess plate includes a fluid duct that connects the fluid pipe to the filter chamber. | 03-05-2015 |
| 20150108058 | FILTRATION DEVICE - A vacuum filter device comprising a filter body having two holders on opposite sides of a filter. Each holder contains a closed container in a fluid-tight, sealed relationship. The filter is retained by a compression sealing element and the sealing element is maintained in place by a compression element formed of a ring. The compression element is bonded to a portion of the body to hold it, the sealing element and filter in place under a compression seal. Optionally a port in the compression element is formed to align with the vent of the device. Further, an alignment feature on the compression element ensures the port is in alignment with the vent of the device. The device also includes a vacuum port communicating with the downstream side of the filter, and hence the filtrate container. | 04-23-2015 |
| 20150122721 | DIALYSIS SYSTEM INCLUDING HEPARIN INJECTION - A dialysis system includes a dialysis instrument including a blood pump actuator, a dialyzer, a heparin pump, and a disposable cassette including a blood pumping portion operable with the blood pump actuator of the dialysis instrument, the blood pumping portion including an inlet and an outlet, the inlet of the blood pumping portion of the disposable cassette positioned and arranged to receive blood from an arterial line of an extracorporeal circuit, the outlet of the blood pumping portion of the disposable cassette positioned and arranged to deliver the blood to the dialyzer and to receive heparin from the heparin pump. | 05-07-2015 |
| 20150129481 | Dialysis Machine - A hemodialysis machine including a main body and a door, the door being capable of opening and closing relative to the main body so as to receive and retain a disposable cartridge therebetween, the machine further including a controller and a pneumatic pump, the cartridge having a chassis with a platen side covered by a first deformable membrane and a door side covered by a second deformable membrane, the chassis and membranes defining a dialysate flow path for delivering a flow of dialysate solution through a dialyser, the main body having a platen for in use sealing against the platen side of the cartridge and the door having an interface plate for in use sealing against the door side of the cartridge, the pneumatic pump being fluidically connected to an interface plate cavity between the interface plate and the cartridge by a pneumatic supply line, the pump being controlled by the controller to selectively generate a vacuum in the platen cavity so as to affix the cartridge to the door prior to operation of the machine. | 05-14-2015 |
| 20150336814 | Reverse Osmosis Systems with Built In Pressure Regulation - Systems for counter top and under the counter use having a self contained reverse osmosis filter system having a manifold assemble under which parts of the self contained reverse osmosis filter system are attached, and a raw water pressure regulator also attached under the manifold assembly, the raw water pressure regulator having an inlet for coupling to a source of raw water and an outlet coupled to the inlet for the self contained reverse osmosis filter system, whereby the ratio of product water to waste water may be maximized under normal operating conditions without clogging the self contained reverse osmosis filter system if the pressure of the source of raw water is high. | 11-26-2015 |
| 20150343394 | HOLLOW FIBER MEMBRANE MODULE, METHOD FOR PRODUCING HOLLOW FIBER MEMBRANE, AND METHOD FOR PRODUCING HOLLOW FIBER MEMBRANE MODULE - An object of the present invention is to provide a dry-type hollow fiber membrane module which is excellent in blood compatibility and elutes little eluted substance, and a hollow fiber membrane built in the module, and a method for producing a hollow fiber membrane module. Disclosed is a hollow fiber membrane module including a built-in hollow fiber membrane including a hydrophobic polymer and a hydrophilic group-containing polymer, the hollow fiber membrane module satisfying the following items: (a) the water content of the hollow fiber membrane is 10% by weight or less relative to the tare weight of the hollow fiber membrane, (b) the hydrophobic polymer contains no nitrogen, the hydrophilic group-containing polymer contains nitrogen, and the nitrogen content of the hollow fiber membrane is 0.05% by weight or more and 0.4% byweight or less, (c) the content of the hydrophilic group-containing polymer in the inner surface of the membrane is 20% by weight or more and 45% by weight or less, and (d) the consumption amount of an aqueous potassium permanganate solution (2.0×10 | 12-03-2015 |
| 20150352501 | POLYAMIDE WATER-TREATMENT SEPARATION MEMBRANE HAVING PROPERTIES OF HIGH SALT REJECTION AND HIGH FLUX AND MANUFACTURING METHOD THEREOF - The present disclosure provides a method of manufacturing a water-treatment separation membrane having improved salt rejection rate and permeable flux properties, the method including: forming an aqueous solution layer containing an amine compound on a porous support; forming a polyamide active layer by bringing an organic solution containing an acyl halide compound and a first organic solvent into contact with the aqueous solution layer; and coating a second organic solvent having a degree of volatility lower than that of the first organic solvent on the polyamide active layer, and a water-treatment separation membrane manufactured by the manufacturing method. | 12-10-2015 |
| 20150359958 | METHOD FOR STERILIZATION OF A HOLLOW FIBER FILTER MODULE, HOLLOW FIBER FILTER MODULE COMPRISING A CLOSURE, AND OXYGEN ABSORBING CLOSURE - Methods of sterilizing a hollow fiber filter module, hollow fiber filter modules comprising closures and closures comprising an oxygen absorber are disclosed. A method according to the invention is distinguished in that the interior of the hollow fiber filter module is sealed off by means of the housing associated to the hollow fiber filter module and by means of the closures, and at least one of the closures comprises an oxygen absorber. A hollow fiber filter module according to the invention is characterized by the corresponding closures with or without an oxygen absorber. | 12-17-2015 |
| 20160024240 | SURFACE TREATING AGENT, FILTERING MATERIAL FOR FILTER, AND BLOOD TREATMENT FILTER - A surface treating agent comprising a copolymer including: a monomer (A) having a hydrophilic functional group of formula (1), a monomer (B) having a basic functional group of formula (3) or (5), and a monomer (C) having a reactive functional group of formula (7), wherein the copolymer has a molar ratio of the monomer (A)/the monomer (B)/and the monomer (C) between 87/10/3 and 98/1/1. In the formulas, the R groups and n are defined. | 01-28-2016 |
| 20160038885 | HIGH PERFORMANCE MEMBRANES FOR WATER RECLAMATION USING POLYMERIC AND NANOMATERIALS - A water permeable membrane for water purifications applications including filtration, ultrafiltration, nanofiltration and reverse osmosis is provided. The water permeable membrane includes a porous support and a composite layer disposed over the porous support. Characteristically, the composite layer includes graphene oxide dispersed within a polymer matrix. | 02-11-2016 |
| 20160058934 | SYSTEM FOR DETECTING A STATE OF A DIALYZER APPARATUS, AND SENSOR DEVICE WHICH CAN BE USED FOR THIS PURPOSE - A system for acquiring or measuring information relating to a state of dialysance, identifying a dialyzer apparatus, or identifying a membrane filter device during the operation of the dialyzer apparatus in a dialysis treatment of a patient. The dialyzer apparatus includes a housing having an internal volume portion and a membrane filter device arranged within the internal volume portion. The housing allows transmission of radiation. A sensor device connected to the housing of the dialyzer apparatus includes a signal receiving device designed to receive a radiation signal, from the housing , the signal characteristic of the state or the identification of the dialyzer apparatus or of the membrane filter unit of the dialyzer apparatus. | 03-03-2016 |
| 20160106353 | Device for Cross Flow Filtration - A whole blood filtration device is provided with a filter membrane separating a feeding volume and a clean side of the filter membrane from each other. The feeding volume communicates with a first feeding side opening and with a second feeding side opening. The filter membrane has pores with a pore size that ensures permeability of the filter membrane to blood plasma/serum and that retains blood cells. The first feeding side opening can be coupled to a first blood pump for feeding blood from the first feeding side opening into the feeding volume so that blood plasma/serum permeates the filter membrane and blood cells, retained by the filter membrane, exit from the feeding volume through the second feeding side opening. | 04-21-2016 |
| 20160151743 | POTTED FLAT SHEET MEMBRANE FILTRATION MODULE | 06-02-2016 |
| 20160166993 | POLYAMIDE-BASED WATER-TREATMENT SEPARATION MEMBRANE HAVING EXCELLENT DURABILITY, AND MANUFACTURING METHOD THEREFOR | 06-16-2016 |
| 20180021731 | MODULAR DISTRIBUTOR HEAD FOR MEMBRANE HOUSING BODIES | 01-25-2018 |
| 20180021732 | MEMBRANE ASSEMBLY WITH END CAP DEVICE AND RELATED METHODS | 01-25-2018 |
