| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 210321840 | Planar membrane | 23 |
| 20080257814 | Filtration Cartridge - A filtration cartridge is provided comprising one or a stack of filtration units sealed to each other at their inner periphery and their outer periphery and to end caps thereby eliminating the need for a housing surrounding the stack. Fluid pathways are provided so that filtration of all incoming feed is assured prior to passing from the cartridge as filtrate. | 10-23-2008 |
| 20090242474 | Hollow fiber membrane module | 10-01-2009 |
| 20100096317 | FLAT SHEET MEMBRANE ELEMENT FOR FILTRATION AND FLAT SHEET MEMBRANE FILTRATION MODULE - A flat sheet membrane element for performing solid-liquid separation by immersion in a liquid to be treated which contains a suspended component includes sheet-shaped filtration membranes disposed opposite to each other with a space for a treated liquid flow path, a support portion for securing the space for the treated liquid flow path, and a peripheral sealing portion for sealing the peripheral edges of the filtration membranes arranged opposite to each other so as to form at least one treated liquid outlet, the filtration membranes including at least expanded PTFE (polytetrafluoroethylene) porous membranes. | 04-22-2010 |
| 20100294710 | Method for producing a component, in particular a micromechanical and/or microfluidic and/or microelectronic component, and component - A method for producing a component, and a component, in particular a micromechanical and/or microfluidic and/or microelectronic component, is provided, the component including at least one patterned material region, and in a first step the patterned material region is produced in that microparticles of a first material are embedded in a matrix of a second material, and in a second step the patterned material region is rendered porous by etching using a dry etching method or a gas-phase etching method. | 11-25-2010 |
| 20100300955 | MEMBRANE CARTRIDGE - Disclosed is a membrane cartridge used in a submerged membrane separator. A peripheral portion of a filtration membrane is joined to the surface of a filtration plate. A portion higher than the surface of the filtration plate corresponding to the peripheral edge of the filtration membrane is formed on the surface of the filtration plate further on the outer side than the peripheral edge of the filtration membrane. | 12-02-2010 |
| 20100320137 | HOLLOW FIBER MEMBRANE ELEMENT, FRAME FOR HOLLOW FIBER MEMBRANE ELEMENT, AND MEMBRANE FILTRATION APPARATUS - A membrane filtration apparatus is provided in which a hollow fiber membrane element | 12-23-2010 |
| 20110005993 | MEMBRANE SEPARATOR AND MEMBRANE CASSETTE - The wall member of a water collecting case forms a projecting portion projecting to the outer side and recessed portions recessed to the inner side. | 01-13-2011 |
| 20110005994 | MEMBRANE ELEMENT AND MEMBRANE MODULE - When permeate pushed up by aeration presses a filtration membrane, the reversed portion of the filtration membrane flexibly swells to allow the permeate to move and suppresses a load acting on the filtration membrane, thereby preventing the filtration membrane from being broken. | 01-13-2011 |
| 20110011786 | Devices For And Methods of Monitoring a Parameter of a Fluidic Sample by Microdialysis - A device for monitoring a parameter of a fluidic sample by microdialysis, the device comprising a permeable membrane, wherein the permeable membrane has a first surface to be brought in contact with the fluidic sample to traverse the permeable membrane ( | 01-20-2011 |
| 20110011787 | MEMBRANE ELEMENT AND MEMBRANE MODULE - By forming a filtration membrane in a loop shape, it is possible to apply a high internal pressure and perform reverse liquid cleaning at a high internal pressure in chemical cleaning. A membrane element and a membrane module in which breakage and peeling are unlikely to occur on a filtration membrane even if aeration is performed in a state in which a filtration operation is stopped or even if a high internal pressure is applied in chemical cleaning. | 01-20-2011 |
| 20110163025 | MEMBRANE CARTRIDGE - A channel groove pattern | 07-07-2011 |
| 20110198278 | FILTER UNIT FOR TREATING WATER AND OTHER LIQUID MEDIA - A filter unit for treating water includes at least two ceramic filter membranes; and a mount for the at least two ceramic filter membranes, wherein the ceramic filter membranes are formed in the shape of plates and each have a filter-active outer side and at least one internally lying discharge channel for filtered water, the mount has a collection space, via which water leaving the discharge channels can be drained, and the mount has at least two sockets that liquid-tight fix the at least two ceramic filter membranes in which they are fixed so that the internally lying discharge channels are in communicating connection with the collection space and at least the part of the mount having the sockets for the ceramic filter membranes is a shaped part formed in one piece. | 08-18-2011 |
| 20120223005 | MEMBRANE MODULE, MEMBRANE UNIT, AND MEMBRANE SEPARATION DEVICE - A membrane separation apparatus in which a membrane clogging is moderated to lower a load to filtering. A plurality of separation membranes | 09-06-2012 |
| 20130299412 | MEMBRANE SEPARATION DEVICE - A membrane separation device includes a plurality of membrane elements each having a separation membrane arranged on front and back sides of a flat filter plate, wherein the membrane elements are oriented vertically and arranged in an array separated by a fixed distance such that the separation membranes are facing one another. A narrowing member is provided outside of the membrane element arranged at the outermost position along the arrangement direction, the narrowing member being disposed at least in a vicinity of a bonding portion of the filter plate and the separation membrane along the vertical direction thereof so as to be separated from the outermost membrane element by a predetermined distance smaller than the fixed distance T, thereby avoiding rupture of the separation membrane provided on outer side of the outermost membrane element even if aeration is continued in a state in which the filtering operation is stopped. | 11-14-2013 |
| 20130299413 | MEMBRANE SEPARATION DEVICE - A membrane separation device is provided with membrane modules comprising multiple membrane elements, a frame body accommodating the membrane modules stacked in multiple stages, a stopper for closing an end portion of the frame body to prevent the membrane modules accommodated in the frame from being released, and elastic members which, arranged in a state of elastic deformation in the vertical direction in the frame with the end portion of the frame being closed, suppress vertical vibration of the membrane modules accommodated in the frame, whereby making it possible to avoid vibration of the membrane modules inside the frame body even if the volume of the membrane modules accommodated in the frame body varies. | 11-14-2013 |
| 20140251893 | FILTER DEVICE AND A PRODUCTION METHOD - The present invention relates to a filtration means ( | 09-11-2014 |
| 20150298063 | FLAT REVERSE OSMOSIS MODULE AND SYSTEM - A filtering module, for example a nanofiltration or reverse osmosis module, is made of membranes arranged in a stack with flat sheets of feed channel spacer and permeate carrier. The stack has packs formed of two membrane sheets sealed on four sides and enclosing a permeate carrier. The packs alternate with sheets of feed channel spacer through the thickness of the stack. One or more permeate-collecting pipes pass through the thickness of the stack. The sheets of feed channel spacer have seals along two sides and around the permeate-collecting pipes. A module is formed by placing one or more stacks in a pressure vessel with a seal between the stack and the pressure vessel at a downstream end of the stack. | 10-22-2015 |
| 20150343385 | FLAT FILTRATION MODULE - Membranes are arranged in a stack with flat sheets of feed channel spacer and permeate carrier. Flat feed channels and permeate channels alternate through the thickness of the stack. Edges of the feed channels are sealed along the length of the stack. Edges of the permeate channels are sealed across the width of the stack. The stack may be more than 1.5 m long. Optionally, membranes may be sealed to each other without being folded. A filtration element comprises a stack and a shell. The shell has at least an inlet to the feed channels and a permeate outlet. Optionally, the element may be operated in a permeate side cross flow configuration. Parts of the stack may be pre-assembled, in some cases by an automated process. The filtration element may be used for reverse osmosis, forward osmosis, pressure retarded osmosis or nanofiltration. | 12-03-2015 |
| 20160030888 | Filter Module for Dead-End and Cross-Flow Filtration - A filter module for dead-end and cross-flow filtration processes is provided comprising: a frame element comprising two substantially planar faces defining first and second openings at opposite sides thereof; a first and a second filter medium in the form of a sheet material, said filter media each having a first side and a second side; the first and second filter media being attachable in a fluid tight manner to the frame element and fully cover its first and second openings, respectively, a space defined and delimited by the frame element and the two filter media, said second sides of the filter media being arranged to face said space; and said frame element comprising one or more frame sections accommodating one or more ports providing a fluid flow path from said space to the exterior of the filter module. | 02-04-2016 |
| 20160136589 | ZWITTERIONIC SULFONE POLYMER FLAT SHEET MEMBRANE - Provided herein are certain sulfone polymers having zwitterionic functionality and blends thereof which are suitable for preparation of flat sheet membranes. The polymer blends comprise a blend of a first polymer comprising a sulfone polymer having zwitterionic functionality and a second polymer comprising a sulfone polymer. | 05-19-2016 |
| 210321850 | Spiral flow | 3 |
| 20110120931 | Filter Module and System Having Spirally Wound Membrane Filters, and Method for the Production Thereof - The invention relates to a filter module having one or more spirally wound flat filter elements comprising permeate outlet openings on one or two edges, a method for the production of the filter module, and a filtration system formed from one or more filter modules | 05-26-2011 |
| 20140339150 | Filter With Captured Membrane - The present inventive concept relates to devices and methods for pressure filtration utilizing spiral wound membranes, in which the volume between the filter membrane and the filter housing is partially or essentially completely filled with an impermeable material. The resulting device permits rapid filtration rates with improved pressure resistance and reduced contamination and microbial growth within the filtration device. | 11-20-2014 |
| 20150290589 | ENCAPSULATING OUTER SHELL FOR MEMBRANE ELEMENTS - A reverse-osmosis separator module includes a pre-formed shell housing having a longitudinal axis extending between opposite ends and defining an inner chamber. A reverse-osmosis separator element is telescopically disposed in the inner chamber, and includes a permeate tube extending along the longitudinal axis and a membrane construction spirally wound around the permeate tube. An end cap is located at each end of the pre-formed shell housing. | 10-15-2015 |
