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Class Information
Number: 210/652
Name: Liquid purification or separation > Processes > Liquid/liquid solvent or colloidal extraction or diffusing or passing through septum selective as to material of a component of liquid; such diffusing or passing being effected by other than only an ion exchange or sorption process > Diffusing or passing through septum selective as to material of a component of liquid > Filtering through membrane (e.g., ultrafiltration) > Hyperfiltration (e.g., reverse osmosis, etc.)
Description: Process in which dissolved material (i.e., including ionic) is removed from a liquid.










Sub-classes under this class:

Class Number Class Name Patents
210/653 Utilizing specified membrane material 240


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Patent Number Title Of Patent Date Issued
8702978 Seawater desalination apparatus and chemical injection apparatus Apr. 22, 2014
8691086 Control scheme for a reverse osmosis system using a hydraulic energy management integration system Apr. 8, 2014
8691095 High efficiency water purification system Apr. 8, 2014
8685250 System and method for using carbon dioxide sequestered from seawater in the remineralization of process water Apr. 1, 2014
8685249 Multi-stage seawater desalination apparatus and operation control method of multi-stage seawater desalination apparatus Apr. 1, 2014
8685255 Method of regenerating a capacitive deionization cell Apr. 1, 2014
8685251 Ultra-pasteurization for dialysis machines Apr. 1, 2014
8685252 Water treatment systems and methods Apr. 1, 2014
8679342 Method of treating water effluent from purging or cleaning steam generator circuits, and a mobile unit enabling the method to be implemented Mar. 25, 2014
8679347 Multi-use high water recovery process Mar. 25, 2014
8657528 Brine disposal system for a brine source Feb. 25, 2014
8652333 Solvent removal Feb. 18, 2014
8641905 Method for high efficiency reverse osmosis operation Feb. 4, 2014
8632681 Forward osmosis device Jan. 21, 2014
8632682 Method and apparatus for repositioning flow elements in a tapered flow structure Jan. 21, 2014
8623214 Desalination system and method for integrated treatment of brackish concentrate and seawater Jan. 7, 2014
8617401 Apparatus and method for optimizing water purification profile Dec. 31, 2013
8617398 Method for high efficiency reverse osmosis operation Dec. 31, 2013
8617395 Thin film composite membranes and their method of preparation and use Dec. 31, 2013
8617397 Reverse osmosis filtration devices with RFID tag-powered flow and conductivity meters Dec. 31, 2013
8614260 Cross-linked polyphosphonate composition for removal of metal ions from wastewater Dec. 24, 2013
8602222 Composite semipermeable membranes, methods for production thereof and uses thereof Dec. 10, 2013
8603340 Hybrid nanoparticle TFC membranes Dec. 10, 2013
8591741 Thin film composite membranes incorporating carbon nanotubes Nov. 26, 2013
8585806 Gas separation membrane Nov. 19, 2013
8567612 Hybrid TFC RO membranes with nitrogen additives Oct. 29, 2013
8571296 Method of testing the integrity of spiral wound modules Oct. 29, 2013
8562833 Subsurface wave power generation water purification systems and methods Oct. 22, 2013
8557119 High water recovery from desalination systems using ion exchange technology Oct. 15, 2013
8551221 Method for combining desalination and osmotic power with carbon dioxide capture Oct. 8, 2013
8545681 Waste heat driven desalination process Oct. 1, 2013
8545701 Induced symbiotic osmosis [ISO] for salinity power generation Oct. 1, 2013
8540882 Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance Sep. 24, 2013
8538593 Method for integrating individual load forecasts into a composite load forecast to present a comprehensive synchronized and harmonized load forecast Sep. 17, 2013
8529761 Central pumping and energy recovery in a reverse osmosis system Sep. 10, 2013
8529765 Ensiling biomass for biofuels production and multiple phase apparatus for hydrolyzation of ensiled biomass Sep. 10, 2013
8524086 Fluid purification system Sep. 3, 2013
8518262 Method of integrating water treatment assemblies Aug. 27, 2013
8506817 Enhanced high water recovery membrane process Aug. 13, 2013
8505743 Surface modification of polyamide reverse osmosis membranes Aug. 13, 2013
8501009 Fluid purification system Aug. 6, 2013
8496118 Filtration device including a loop and a circulation pump Jul. 30, 2013
8491788 Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance Jul. 23, 2013
8491793 Software program that provides a structured format and verification of date entered via a touch screen tablet that records the status and performance of water purification equipment that is us Jul. 23, 2013
8491794 Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance Jul. 23, 2013
8485366 Ceramic porous membrane and ceramic filter Jul. 16, 2013
8480905 Method and system for recycling and treating dyeing wastewater Jul. 9, 2013
8475398 Extracorporeal blood treatment and system having reversible blood pumps Jul. 2, 2013
8475661 Asymmetric nanotube containing membranes Jul. 2, 2013
8460554 Forward osmosis membranes Jun. 11, 2013

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