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Class Information
Number: 210/150
Name: Liquid purification or separation > With gas-liquid surface contact means
Description: Apparatus consisting of solid contact means to increase the surface area of a liquid in a gas-liquid contact device whereby the contact is enhanced.










Sub-classes under this class:

Class Number Class Name Patents
210/151 With separator 600


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
8691092 Treating water using floating wetland made of plastic waste Apr. 8, 2014
8691093 Anaerobic waste treatment apparatus Apr. 8, 2014
8679327 Bioretention box Mar. 25, 2014
8673140 Biological filtration system with socks of absorbent material Mar. 18, 2014
8663464 Apparatus and methods for enhanced electrocoagulation processing using membrane aeration Mar. 4, 2014
8603329 Wastewater treatment apparatus with two-stage multimedia biological filtration process Dec. 10, 2013
8597514 Apparatus and method for treating wastewater Dec. 3, 2013
8580115 Method for cleaning filtration membrane modules and membrane bioreactor system for treating untreated water or wastewater or activated sludge Nov. 12, 2013
8551330 Carbon retention screen with variable discharge head Oct. 8, 2013
8535532 Systems and methods for wastewater treatment Sep. 17, 2013
8524084 Wastewater treatment Sep. 3, 2013
8524076 Fluid purification unit and fluid purification assembly including the same Sep. 3, 2013
8518249 Versatile biological wastewater treatment system Aug. 27, 2013
8506800 System for enhancing a wastewater treatment process Aug. 13, 2013
8500995 Method and device for treatment of water Aug. 6, 2013
8496837 Reactor for reductive conversion reactions using palladized bacterial cellulose Jul. 30, 2013
8475653 Water treatment apparatus having meshed tubes provided with cilia and water treatment method using the same Jul. 2, 2013
8470169 Apparatus for treatment of aqueous liquid Jun. 25, 2013
8460548 Rotating biological contactor apparatus and method Jun. 11, 2013
8444855 Method and device for removing contaminates from fluid-material May. 21, 2013
8431019 Wastewater treatment system Apr. 30, 2013
8409432 Installation for the treatment of wastewaters and biological disc for such an installation Apr. 2, 2013
8394273 Method and system for surface water treatment Mar. 12, 2013
8388845 Wastewater treatment method and wastewater treatment apparatus Mar. 5, 2013
8382984 Method and installation for biologically treating waste water Feb. 26, 2013
8372285 Method and apparatus for the bio-remediation of aqueous waste compositions Feb. 12, 2013
8372276 Membrane cleaning with pulsed airlift pump Feb. 12, 2013
8372277 Floating treatment streambed Feb. 12, 2013
8361319 Wastewater treatment Jan. 29, 2013
8357293 Biological waste digester Jan. 22, 2013
8333886 Wastewater treatment apparatus Dec. 18, 2012
8333885 Stormwater filtration system and method with pretreatment capability Dec. 18, 2012
8329043 Method and device for treating a liquid Dec. 11, 2012
8323498 Systems and methods for automated control of mixing and aeration in treatment processes Dec. 4, 2012
8323499 Wastewater treatment method and membrane bioreactor having mixed liquor and air conduits in a filtration tank Dec. 4, 2012
8318009 Apparatus for manufacturing oxygenated water Nov. 27, 2012
8303817 Wastewater treatment method and wastewater treatment apparatus Nov. 6, 2012
8293098 Infiltration/inflow control for membrane bioreactor Oct. 23, 2012
8287728 Elevated swale for treatment of contaminated stormwater Oct. 16, 2012
8287743 Membrane cleaning with pulsed airlift pump Oct. 16, 2012
8282817 Septic system Oct. 9, 2012
8282789 Microwave apparatus and method of extracting essential oils, essence, and pigments with gas flow Oct. 9, 2012
8268174 Wastewater treatment method and system with ozonation for microconstituent removal Sep. 18, 2012
8257592 Biological wastewater treatment apparatus and methods using moving belt contractor Sep. 4, 2012
8232096 Bioreactor for selectively controlling the molecular diffusion between fluids Jul. 31, 2012
8221631 Aeration basin with off gas monitoring Jul. 17, 2012
8211306 Biotrickling filter treatment method utilizing waste tires and a biotrickling filter treatment tank thereof Jul. 3, 2012
8197690 Method and apparatus for biological wastewater purification Jun. 12, 2012
8192617 System for treatment of contaminated liquid Jun. 5, 2012
8192625 Jet aeration apparatus and method of using the same Jun. 5, 2012

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16










 
 
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