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Class Information
Number: 119/263
Name: Animal husbandry > Aquatic animal culturing > Aquarium > Aerator
Description: Subject matter including apparatus providing oxygen enrichment to water in the aquarium.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8487836 Multi-dimensional image rendering device Jul. 16, 2013
8268166 Protein skimmer Sep. 18, 2012
7910001 Arrangement of denitrification reactors in a recirculating aquaculture system Mar. 22, 2011
7785476 Protein skimmer with stationary fan Aug. 31, 2010
7682504 System for growing crustaceans and other fish Mar. 23, 2010
7681529 Diffuser and anchor Mar. 23, 2010
7682503 Filtration and surge with no moving parts Mar. 23, 2010
7472895 Wood air diffuser for use in saltwater aquarium foam fractionators Jan. 6, 2009
7363878 Waste extraction system Apr. 29, 2008
7232519 Fish tank powerhead magnetic holder Jun. 19, 2007
7213537 Airflow diverter for use in an aquarium May. 8, 2007
7162831 Fish bait system Jan. 16, 2007
7134403 Aquarium overflow system standpipe Nov. 14, 2006
7094340 Anti-spray aquarium airlift tube elbow Aug. 22, 2006
7081198 Aquarium Jul. 25, 2006
7033491 Aquarium filter Apr. 25, 2006
7033506 Device and method for water treatment by foaming Apr. 25, 2006
7022227 Multifunctional filtering device for an aquarium Apr. 4, 2006
7011748 Water aerating and dirt collecting assembly for aquarium Mar. 14, 2006
7000568 Aquarium overflow system standpipe Feb. 21, 2006
6966982 Aquaculture water quality ecology system Nov. 22, 2005
6912972 Water aerating device for aquarium Jul. 5, 2005
6869530 Multifunctional internal marine aquarium filter Mar. 22, 2005
6857392 Aquarium pumping and airing apparatus Feb. 22, 2005
6808625 Aquarium protein skimmer Oct. 26, 2004
6796273 Switching current water director (SCWD) for aquariums Sep. 28, 2004
6666168 Waterfall aquarium cleansing system Dec. 23, 2003
6523498 Aquarium having a powerless air pumping device Feb. 25, 2003
6464886 Device and method for creating spherical particles of uniform size Oct. 15, 2002
6314910 Air-activated fish feeder Nov. 13, 2001
6303028 Protein skimmer Oct. 16, 2001
6276303 Aerator holder Aug. 21, 2001
6197835 Device and method for creating spherical particles of uniform size Mar. 6, 2001
6156209 Protein skimmer Dec. 5, 2000
5988601 Portable water aerator and circulation system Nov. 23, 1999
5938981 Water aerator and circulation system Aug. 17, 1999
5876639 Livewell and baitwell aerator Mar. 2, 1999
5832870 Manifold for aerating and circulating aquarium water Nov. 10, 1998
5800704 Foam flotation protein separatior Sep. 1, 1998
5657719 Strainer structure for aquarium Aug. 19, 1997
5640930 Automatic cleaning aquarium Jun. 24, 1997
5562821 Foam fractionator Oct. 8, 1996
5554280 Filter system Sep. 10, 1996
5538627 Air releaser Jul. 23, 1996
5538627 Air releaser Jul. 23, 1996
5484525 Foam fractionation protein skimmer assembly Jan. 16, 1996
5480590 Aerator Jan. 2, 1996
5469811 Aquarium having leak-proof bubbling port Nov. 28, 1995
5458771 Apparatus for the gasification of liquids Oct. 17, 1995
5447123 Aquarium extension assembly Sep. 5, 1995

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