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Class Information
Number: 210/791
Name: Liquid purification or separation > Processes > Separating > Rehabilitating or regenerating filter medium
Description: Process in which a residue is removed from or redistributed through a filter medium.










Sub-classes under this class:

Class Number Class Name Patents
210/797 By diverse fluid 145
210/792 Particulate bed 84


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8679335 Vehicle-mounted vacuum system and method of separating liquid and solids fractions of a sludge-like mixture inside a container Mar. 25, 2014
8663474 Non-blocking filtration system Mar. 4, 2014
8640883 Filtration barrier Feb. 4, 2014
8641904 Method for membrane backwashing and backwashing apparatus Feb. 4, 2014
8628665 Water treatment apparatus Jan. 14, 2014
8613804 System and method for dry cleaning articles Dec. 24, 2013
8591739 Molecular separator Nov. 26, 2013
8585898 Scrapping device for a pressurised filtration plant Nov. 19, 2013
8580117 System and method for replacing resist filter to reduce resist filter-induced wafer defects Nov. 12, 2013
8580115 Method for cleaning filtration membrane modules and membrane bioreactor system for treating untreated water or wastewater or activated sludge Nov. 12, 2013
8574439 Valuable resource recovery system and operation method thereof Nov. 5, 2013
8524075 Backwashing fluid filter assembly Sep. 3, 2013
8518273 Method and device for cleaning of filter Aug. 27, 2013
8518274 Filter device operating method Aug. 27, 2013
8506812 Method, equipment and specific drawer for membrane separation utilizing concentration polarization Aug. 13, 2013
8506806 Methods and apparatus for removing solids from a membrane module Aug. 13, 2013
8496839 Method for filtering a suspension and filter device Jul. 30, 2013
8444863 Microfiltration devices May. 21, 2013
8444855 Method and device for removing contaminates from fluid-material May. 21, 2013
8440088 Priming method for filter May. 14, 2013
8409441 Blood treatment systems and methods Apr. 2, 2013
8394279 Method for regenerating a filter aid Mar. 12, 2013
8394256 Method for haze mitigation and filterability improvement for base stocks Mar. 12, 2013
8382993 Drain filter apparatus and method Feb. 26, 2013
8366942 Method and apparatus for the solid-liquid-separation of material mixtures and suspensions Feb. 5, 2013
8361313 Plant and method for the treatment of the recovery cooling fluid in mechanical processing plants Jan. 29, 2013
8329045 Stationary cloth media filtration Dec. 11, 2012
8324377 Method of separating water-soluble cellulose ether Dec. 4, 2012
8323499 Wastewater treatment method and membrane bioreactor having mixed liquor and air conduits in a filtration tank Dec. 4, 2012
8318021 Water filtration system Nov. 27, 2012
8313649 Method of starting up a filtration plant and a filtration plant designed to be able to start up correspondingly Nov. 20, 2012
8302780 Industrial separator and dewatering plant Nov. 6, 2012
8282828 System and method for regeneration of a fluid Oct. 9, 2012
8276605 Device for cleaning a filter element Oct. 2, 2012
8262911 Method for treatment of sludge Sep. 11, 2012
8252184 Method, equipment and specific drawer for membrane separation utilizing concentration polarization Aug. 28, 2012
8246844 Method for folding a filter bag and a folded filter bag arrangement Aug. 21, 2012
8231794 Water filtration system Jul. 31, 2012
8210042 Use of acoustic signals for measuring membrane fouling in spiral wound modules Jul. 3, 2012
8206598 Method of purging a fluid line Jun. 26, 2012
8201697 Hydroclone based fluid filtration system Jun. 19, 2012
8192625 Jet aeration apparatus and method of using the same Jun. 5, 2012
8187471 Pressure regulator and filter for irrigation systems May. 29, 2012
8153012 Device and method for filtering a fluid, in particular for plastics processing plants Apr. 10, 2012
8128829 Cross flow filter device Mar. 6, 2012
8123819 System and method for dry cleaning articles Feb. 28, 2012
8110114 Multiple filter controller and method of use Feb. 7, 2012
8083952 Filter bowl supports and filter systems comprising the same Dec. 27, 2011
8070948 Method of purifying wastewater and sewage treatment plant Dec. 6, 2011
8057685 Solid separator Nov. 15, 2011

1 2 3 4 5 6 7 8 9 10 11










 
 
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