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Class Information
Number: 261/120
Name: Gas and liquid contact apparatus > Contact devices > Liquid tank > Floating distributor
Description: Gases distributed in contact with liquids through a floating distributor.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622040 |
Fine bubble airlift device |
Nov. 24, 2009 |
| 7615147 |
Method and apparatus for water treatment |
Nov. 10, 2009 |
| 7581716 |
Aeration equipment |
Sep. 1, 2009 |
| 7575226 |
Liquid aeration system and method |
Aug. 18, 2009 |
| 7561401 |
Circuit protector for electric device |
Jul. 14, 2009 |
| 7531097 |
Method and apparatus for aeration of liquid medium |
May. 12, 2009 |
| 7520493 |
Floating diffused air aerator |
Apr. 21, 2009 |
| 7448600 |
Floating wastewater evaporator |
Nov. 11, 2008 |
| 7441754 |
Apparatus for introducing a gas into a body of liquid |
Oct. 28, 2008 |
| 7427058 |
Method and apparatus for aeration of liquid medium |
Sep. 23, 2008 |
| 7331569 |
Liquid aeration system and method |
Feb. 19, 2008 |
| 7267325 |
Aeration method of pool water and apparatus thereof |
Sep. 11, 2007 |
| 7267766 |
Method and apparatus for aerating a surface layer in a stratified liquid body |
Sep. 11, 2007 |
| 7246406 |
Dust collection system |
Jul. 24, 2007 |
| 7204476 |
Speed-increasing machine for water |
Apr. 17, 2007 |
| 7172177 |
Aerator |
Feb. 6, 2007 |
| 7137620 |
Diffuser and an aeration apparatus equipped with such a diffuser |
Nov. 21, 2006 |
| 7121534 |
Method and apparatus for gasifying a liquid |
Oct. 17, 2006 |
| 7121536 |
Wave generator with oxygen injection for treatment of a body of fluid |
Oct. 17, 2006 |
| 6994329 |
Floating paddlewheel aerator |
Feb. 7, 2006 |
| 6808165 |
Apparatus for mixing and introducing gas into a large body of liquid |
Oct. 26, 2004 |
| 6634626 |
Horizontal surface aerator |
Oct. 21, 2003 |
| 6592107 |
Floating portable humidifier |
Jul. 15, 2003 |
| 6499727 |
Internal drive aerator for body of liquids |
Dec. 31, 2002 |
| 6478964 |
Floating fine-bubble aeration system |
Nov. 12, 2002 |
| 6398194 |
Water pressure-type aeration device |
Jun. 4, 2002 |
| 6394428 |
Method and apparatus for dissolving water-soluble gas in the sea and isolating it deep in the sea and a method for its installation |
May. 28, 2002 |
| 6390455 |
Bubble generating device having a float connected thereto |
May. 21, 2002 |
| 6390456 |
Bubble generating device |
May. 21, 2002 |
| 6325842 |
Method and apparatus for aerating |
Dec. 4, 2001 |
| 6322056 |
Submarine type liquid mixer with aeration |
Nov. 27, 2001 |
| 6276670 |
Combined mixer-aerator |
Aug. 21, 2001 |
| 6273402 |
Submersible in-situ oxygenator |
Aug. 14, 2001 |
| 6264176 |
Aeration diffuser |
Jul. 24, 2001 |
| 6241221 |
Waste pond liquid circulation system having an impeller and spaced pontoons |
Jun. 5, 2001 |
| 6179228 |
Water fountain spray modifier |
Jan. 30, 2001 |
| 6145815 |
System for enhanced gas dissolution having a hood positioned over the impeller with segregating rings |
Nov. 14, 2000 |
| 6135430 |
Enhanced gas dissolution |
Oct. 24, 2000 |
| 6086056 |
Float sink header |
Jul. 11, 2000 |
| 6083405 |
Floating water purification free-running apparatus and water purification method |
Jul. 4, 2000 |
| 6050550 |
Apparatus for aeration and bottom agitation for aqua-culture systems |
Apr. 18, 2000 |
| 6029955 |
Counterbalanced dual submarine-type liquid mixer pairs |
Feb. 29, 2000 |
| 5988601 |
Portable water aerator and circulation system |
Nov. 23, 1999 |
| 5980100 |
Apparatus for treating liquids |
Nov. 9, 1999 |
| 5971372 |
Aerator transport system |
Oct. 26, 1999 |
| 5948326 |
Device and process for liquid treatment |
Sep. 7, 1999 |
| 5942161 |
Device and process for liquid treatment |
Aug. 24, 1999 |
| 5938981 |
Water aerator and circulation system |
Aug. 17, 1999 |
| 5916491 |
Gas-liquid vortex mixer and method |
Jun. 29, 1999 |
| 5906774 |
Submerged diffuser lifting arrangement |
May. 25, 1999 |
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