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Class Information
Number: 261/DIG.42
Name: Gas and liquid contact apparatus > Ozonizers
Description:










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8647501 Method and apparatus for programably treating water in a water cooler Feb. 11, 2014
8500993 Method and apparatus for programably treating water in a water cooler Aug. 6, 2013
8403305 Gas/liquid mixing device Mar. 26, 2013
8366920 Method and apparatus for programably treating water in a water cooler Feb. 5, 2013
8343341 Method and apparatus for sanitizing water dispensed from a water dispenser having a reservoir Jan. 1, 2013
8298418 Method and installation for bringing ozone into contact with a flow of liquid, in particular a flow of drinking water or wastewater Oct. 30, 2012
8182678 Flow through wastewater treatment apparatus May. 22, 2012
8152142 Service water pipe faucet direct-connected ozone water producer with self-power generator Apr. 10, 2012
8143051 Systems and methods for maintaining the dominance and increasing the biomass production of nannochloropsis in an algae cultivation system Mar. 27, 2012
8124009 Method of aeration disinfecting and drying grain in bulk and pretreating seeds and a transverse blow silo grain dryer therefor Feb. 28, 2012
8029678 Method for treating water, in particular drinking water, and water treatment plant Oct. 4, 2011
8025807 Method for treating rinse water in decontamination devices Sep. 27, 2011
8007666 Apparatus for sanitizing water dispensed from a water dispenser having a reservoir Aug. 30, 2011
7931816 Method, apparatus and systems for treating contaminants in a waste fluid Apr. 26, 2011
7736494 Ozone delivery system including a variable pitch gas-fluid contact device Jun. 15, 2010
7572368 Water treatment apparatus Aug. 11, 2009
7569140 Directional spargewell system Aug. 4, 2009
7488419 Water faucet containing water mixed with ozone Feb. 10, 2009
7427351 Water preconditioning system Sep. 23, 2008
7422684 Method and apparatus for sanitizing water dispensed from a water dispenser having a reservoir Sep. 9, 2008
7378014 Method and apparatus for sanitizing water dispensed from a water dispenser having a reservoir May. 27, 2008
7097160 Apparatus for treating a liquid with a gas Aug. 29, 2006
7022225 Water ozonation mixing and degassing system Apr. 4, 2006
6955341 Apparatus for dissolving gas into liquid Oct. 18, 2005
6821443 Process for producing ozone-containing sterilizing water and an apparatus used therefor Nov. 23, 2004
6808637 System for producing ozone water and control method thereof Oct. 26, 2004
6805791 Ozonated water flow and concentration control apparatus Oct. 19, 2004
6773610 Method for controlling biofilm Aug. 10, 2004
6716340 Water treatment system Apr. 6, 2004
6648307 Method to increase the quantity of dissolved gas in a liquid and to maintain the increased quantity of dissolved gas in the liquid until utilized Nov. 18, 2003
6623635 Assembly for purifying water Sep. 23, 2003
6596161 Laminated microporous diffuser Jul. 22, 2003
6500333 System and process for treating waste water Dec. 31, 2002
6495036 Diffuser for ozone disinfection of water Dec. 17, 2002
6488271 Method to increase the quantity of dissolved gas in a liquid and to maintain the increased quantity of dissolved gas in the liquid until utilized Dec. 3, 2002
6447733 Fluid contact chamber Sep. 10, 2002
6447676 Springbox for water remediation Sep. 10, 2002
6436285 Laminated microporous diffuser Aug. 20, 2002
6423235 Column gas-liquid contacting apparatus and its use thereof Jul. 23, 2002
6343779 Water distribution piping of gas-dissolved cleaning water Feb. 5, 2002
6325359 Device and method for producing gas solution and cleaning device Dec. 4, 2001
6315942 System for delivery of gas-enriched fluids Nov. 13, 2001
6303085 Radical generating system Oct. 16, 2001
6287465 Ozone deodorizer Sep. 11, 2001
6207064 Ozone contact chamber Mar. 27, 2001
6186170 Ozone-water feeding facility Feb. 13, 2001
6162359 Method for recuperating vent gas coming from an ozonization reactor Dec. 19, 2000
6156159 Device for mixing of a fluid into a pulp-suspension Dec. 5, 2000
6153111 Method and apparatus for purifying water Nov. 28, 2000
6076808 Apparatus for producing ozonated water Jun. 20, 2000

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