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Class Information
Number: 210/489
Name: Liquid purification or separation > Filter > Supported, shaped or superimposed formed mediums > Abutted or superimposed members > For series flow
Description: Apparatus so arranged that the liquid passes through them in succession.










Sub-classes under this class:

Class Number Class Name Patents
210/490 Integral or coated layers 961


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

Patent Number Title Of Patent Date Issued
8709249 (4943 Apr. 29, 2014
8678202 Modular filter elements for use in a filter-in-filter cartridge Mar. 25, 2014
8673149 Liquid filter assembly Mar. 18, 2014
8672145 Urea sorbent Mar. 18, 2014
8663469 Strainer wall structure including curved sections Mar. 4, 2014
8663465 Continuously supplied water filtration banks Mar. 4, 2014
8657122 Clog resistant media retainer assembly Feb. 25, 2014
8651283 Mesh screen assembly with reduced pull-out Feb. 18, 2014
8647506 Acid zirconium phosphate and alkaline hydrous zirconium oxide materials for sorbent dialysis Feb. 11, 2014
8640885 Fluid treatment arrangements with sets of fluid treatment elements and methods for making and using them Feb. 4, 2014
8641901 Filter structure Feb. 4, 2014
8590712 Modular filter elements for use in a filter-in-filter cartridge Nov. 26, 2013
8584868 Filter medium and filter element Nov. 19, 2013
8580560 Cap with filter and transfer apparatus Nov. 12, 2013
8561633 Steel-reinforced HDPE rain harvesting system Oct. 22, 2013
8544657 Apparatus and method for removing contaminants from industrial fluids Oct. 1, 2013
8540074 Reusable multi-functional pad/filter device Sep. 24, 2013
8528744 Hydrophilic membranes with a non-ionic surfactant Sep. 10, 2013
8517185 Two stage fuel water separator and particulate filter utilizing pleated nanofiber filter material Aug. 27, 2013
8506807 Spiral wound type filter cartridge Aug. 13, 2013
8496120 Filter network Jul. 30, 2013
8475659 Strainers for emergency core cooling systems--ECCS Jul. 2, 2013
8440085 Plasma separation May. 14, 2013
8424687 Support for separation membrane, and method for production thereof Apr. 23, 2013
8425772 Filtration device with releasable additive Apr. 23, 2013
8419934 Filter Apr. 16, 2013
8409444 Acid zirconium phosphate and alkaline hydrous zirconium oxide materials for sorbent dialysis Apr. 2, 2013
8393477 Filter medium Mar. 12, 2013
8388840 System for stiffening the plates of a large-diameter multi-stage column Mar. 5, 2013
8366926 Method for wastewater treatment Feb. 5, 2013
8360251 Multi-layer coalescing media having a high porosity interior layer and uses thereof Jan. 29, 2013
8361317 Filter device for a motor vehicle Jan. 29, 2013
8354031 Liquid filtering system and its automatic cleaning procedure Jan. 15, 2013
8337697 Multi-compartment water purification bottle having a replaceable filter Dec. 25, 2012
8333894 Multi-level filter device Dec. 18, 2012
8317035 Debris filter Nov. 27, 2012
8312677 Non clogging screen Nov. 20, 2012
8277644 Filtering device Oct. 2, 2012
8263214 Super absorbent containing web that can act as a filter, absorbent, reactive layer or fuel fuse Sep. 11, 2012
8251231 Corrugated or pleated flat material Aug. 28, 2012
8226833 Multi-level filter device Jul. 24, 2012
8221625 Process for producing polyolefin resin composition and filter device for use in this process Jul. 17, 2012
8206584 Electrically conductive fluid treatment elements Jun. 26, 2012
8206583 Electrically conductive fluid treatment elements Jun. 26, 2012
8192623 Filter structure Jun. 5, 2012
8182685 Effluent filter cartridge with progressive filtration May. 22, 2012
8173013 Fuel filter May. 8, 2012
8158002 Responsive gels and methods of use thereof Apr. 17, 2012
8152887 Air/oil separator Apr. 10, 2012
8147693 Multi-layer filter including retainers Apr. 3, 2012

1 2 3 4 5 6 7 8 9 10 11 12










 
 
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